Earthquakes on June 18, 2026
251
EARTHQUAKES on June 18, 2026
24-hour UTC period · USGS data
LARGEST: M5.4 — central Mid-Atlantic Ridge
10 km deep
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
6
M4.0–4.9
17
M3.0–3.9
16
M2.0–2.9
52
M1.0–1.9
160
Activity Summary
251
Total earthquakes
~250
Daily average
Normal
Activity level
6
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
5.4
central Mid-Atlantic Ridge
03:43 UTC · 10.0 km deep
5.3
Izu Islands, Japan region
19:17 UTC · 10.0 km deep
5.3
63 km ESE of Bobon, Philippines
16:33 UTC · 10.0 km deep
Felt by 1
5.3
1 km S of Kablalan, Philippines
06:57 UTC · 95.3 km deep
Felt by 4
5.1
central Mid-Atlantic Ridge
02:44 UTC · 10.0 km deep
5.0
211 km WSW of Adak, Alaska
13:58 UTC · 35.3 km deep
4.9
12 km E of Venilale, Timor Leste
07:26 UTC · 21.1 km deep
4.8
54 km WSW of Balangonan, Philippines
16:21 UTC · 10.1 km deep
Earthquake Map — June 18, 2026

All Earthquakes — June 18, 2026
Showing 30 of 91 (filtered from 251)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2026-06-18 2026-06-18 23:12:42 UTC | 2.8ml | 136 km SSE of Adak, Alaska 50.675°, -176.246° | 9.5 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.8 earthquake 136 km SSE of Adak, Alaska at 23:12 UTC on June 18, 2026. At a depth of 9.5 km, the event was shallow crustal. The epicenter is at 50.675°, -176.246°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-18 2026-06-18 23:00:03 UTC | 4.2mb | 63 km E of Khorugh, Tajikistan 37.565°, 72.262° | 189.1 km | - | - | - | ✓ Reviewed | USGS → |
June 18, 2026 brought a magnitude 4.2 earthquake 63 km E of Khorugh, Tajikistan, logged at 23:00 UTC. This was a intermediate depth earthquake, focused at 189.1 km depth. The offshore location combined with this depth is characteristic of seismicity along descending slabs. Geolocation places the event at 37.565°N, 72.262°E. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-18 2026-06-18 22:54:36 UTC | 2.1md | 4 km SE of San Ramon, CA 37.759°, -121.944° | 9.0 km | 2 | - | - | ✓ Reviewed | USGS → |
At 22:54 UTC on June 18, 2026, a magnitude 2.1 tremor occurred 4 km SE of San Ramon, CA. A small number of nearby observers (2) submitted felt reports to the USGS. The hypocenter lay at 9.0 km, placing this in the shallow crustal category. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. The epicenter is at 37.759°, -121.944°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-18 2026-06-18 22:33:07 UTC | 4.3mb | 73 km E of Tomioka, Japan 37.360°, 141.850° | 52.1 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.3 earthquake 73 km E of Tomioka, Japan came in on June 18, 2026 at 22:33 UTC. At a depth of 52.1 km, the event was shallow crustal. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Coordinates: 37.360°, 141.850°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-18 2026-06-18 22:27:55 UTC | 3.6ml | 45 km SW of Sand Point, Alaska 55.067°, -161.041° | 66.0 km | 1 | II | - | ✓ Reviewed | USGS → |
A magnitude 3.6 seismic event took place 45 km SW of Sand Point, Alaska on June 18, 2026 at 22:27 UTC. On the Modified Mercalli scale, shaking reached 2.4 — considered weak. A small number of nearby observers (1) submitted felt reports to the USGS. The hypocenter lay at 66.0 km, placing this in the shallow crustal category. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Geolocation places the event at 55.067°N, -161.041°E. See the M3.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-18 2026-06-18 22:24:50 UTC | 3.1md | 52 km ESE of Cruz Bay, U.S. Virgin Islands 18.096°, -64.363° | 9.7 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 3.1 earthquake 52 km ESE of Cruz Bay, U.S. Virgin Islands came in on June 18, 2026 at 22:24 UTC. At a depth of 9.7 km, the event was shallow crustal. Geolocation places the event at 18.096°N, -64.363°E. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-18 2026-06-18 22:16:34 UTC | 2.1ml | 39 km NW of Akhiok, Alaska 57.187°, -154.653° | 47.2 km | - | - | - | ✓ Reviewed | USGS → |
At 22:16 UTC on June 18, 2026, a magnitude 2.1 tremor occurred 39 km NW of Akhiok, Alaska. The event originated approximately 47.2 km below the surface, classifying it as shallow crustal. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Coordinates: 57.187°, -154.653°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-18 2026-06-18 21:59:23 UTC | 4.3mb | 182 km SE of Vilyuchinsk, Russia 51.758°, 160.280° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.3 seismic event took place 182 km SE of Vilyuchinsk, Russia on June 18, 2026 at 21:59 UTC. The event originated approximately 10.0 km below the surface, classifying it as shallow crustal. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. The epicenter is at 51.758°, 160.280°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-18 2026-06-18 21:49:00 UTC | 3.9md | 55 km E of Cruz Bay, U.S. Virgin Islands 18.290°, -64.270° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
At 21:49 UTC on June 18, 2026, a magnitude 3.9 tremor occurred 55 km E of Cruz Bay, U.S. Virgin Islands. The hypocenter lay at 35.0 km, placing this in the shallow crustal category. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. The epicenter is at 18.290°, -64.270°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M3.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-18 2026-06-18 21:48:05 UTC | 2.0md | 22 km SE of Rio Dell, CA 40.340°, -123.954° | 21.4 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.0 seismic event took place 22 km SE of Rio Dell, CA on June 18, 2026 at 21:48 UTC. The hypocenter lay at 21.4 km, placing this in the shallow crustal category. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Geolocation places the event at 40.340°N, -123.954°E. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-18 2026-06-18 21:29:10 UTC | 2.1ml | 76 km SW of Nikolski, Alaska 52.383°, -169.525° | 40.3 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.1 earthquake 76 km SW of Nikolski, Alaska at 21:29 UTC on June 18, 2026. This was a shallow crustal earthquake, focused at 40.3 km depth. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. The epicenter is at 52.383°, -169.525°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-18 2026-06-18 21:17:21 UTC | 2.2ml | 97 km SE of Akutan, Alaska 53.591°, -164.610° | 18.7 km | - | - | - | ✓ Reviewed | USGS → |
On June 18, 2026, worldwide seismic activity registered a magnitude 2.2 earthquake 97 km SE of Akutan, Alaska at 21:17 UTC. It arrived roughly 2 hours after a larger magnitude 3.5 mainshock in the same 20 km area, placing it within the typical aftershock window. This was a shallow crustal earthquake, focused at 18.7 km depth. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. The epicenter is at 53.591°, -164.610°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-18 2026-06-18 21:09:15 UTC | 4.6mb | 286 km WNW of Houma, Tonga -19.899°, -177.693° | 549.8 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.6 earthquake was recorded 286 km WNW of Houma, Tonga on June 18, 2026 at 21:09 UTC. At 549.8 km, this deep-focus earthquake originated far below the brittle crust, deep inside the mantle. Coordinates: -19.899°, -177.693°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-18 2026-06-18 20:55:30 UTC | 2.0ml | 97 km SE of Akutan, Alaska 53.584°, -164.613° | 19.3 km | - | - | - | ✓ Reviewed | USGS → |
June 18, 2026 brought a magnitude 2.0 earthquake 97 km SE of Akutan, Alaska, logged at 20:55 UTC. Coming 1 hours after a magnitude 3.5 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. At a depth of 19.3 km, the event was shallow crustal. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Coordinates: 53.584°, -164.613°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-18 2026-06-18 20:43:58 UTC | 4.1mb | 177 km WSW of Port Orford, Oregon 42.411°, -126.606° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On June 18, 2026 at 20:43 UTC, a magnitude 4.1 earthquake struck 177 km WSW of Port Orford, Oregon. The hypocenter lay at 10.0 km, placing this in the shallow crustal category. Coordinates: 42.411°, -126.606°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-18 2026-06-18 20:43:34 UTC | 2.3ml | 97 km SE of Akutan, Alaska 53.540°, -164.688° | 13.7 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.3 seismic event took place 97 km SE of Akutan, Alaska on June 18, 2026 at 20:43 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.5 earthquake that occurred about 1 hours earlier. The event originated approximately 13.7 km below the surface, classifying it as shallow crustal. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Geolocation places the event at 53.540°N, -164.688°E. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-18 2026-06-18 19:46:50 UTC | 2.1ml | 92 km SW of Adak, Alaska 51.328°, -177.640° | 20.5 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.1 event was detected 92 km SW of Adak, Alaska on June 18, 2026, with origin time 19:46 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.1 earthquake that occurred about 6 hours earlier. The hypocenter lay at 20.5 km, placing this in the shallow crustal category. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Geolocation places the event at 51.328°N, -177.640°E. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-18 2026-06-18 19:41:22 UTC | 3.5ml | 93 km SE of Akutan, Alaska 53.591°, -164.682° | 11.1 km | - | II | - | ✓ Reviewed | USGS → |
On June 18, 2026 at 19:41 UTC, a magnitude 3.5 earthquake struck 93 km SE of Akutan, Alaska. In the 72 hours after this event, the USGS recorded 3 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. Maximum shaking intensity peaked at MMI 2.1 (weak). The event originated approximately 11.1 km below the surface, classifying it as shallow crustal. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. The epicenter is at 53.591°, -164.682°. See the M3.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-18 2026-06-18 19:27:27 UTC | 3.2ml | 91 km SE of Ugashik, Alaska 56.851°, -156.498° | 1.3 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 3.2 event was detected 91 km SE of Ugashik, Alaska on June 18, 2026, with origin time 19:27 UTC. At a depth of just 1.3 km, this was a very shallow event, close enough to the surface that modest magnitudes can produce significant local shaking. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. The epicenter is at 56.851°, -156.498°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-18 2026-06-18 19:17:40 UTC | 5.3mww | Izu Islands, Japan region 30.610°, 142.266° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 5.3 earthquake was recorded in the Izu Islands, Japan region on June 18, 2026 at 19:17 UTC. It ranks as the second largest event in the current dataset. At a depth of 10.0 km, the event was shallow crustal. Geolocation places the event at 30.610°N, 142.266°E. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M5.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-18 2026-06-18 19:06:28 UTC | 2.2ml | 75 km WSW of Nikolski, Alaska 52.727°, -169.929° | 12.2 km | - | - | - | ✓ Reviewed | USGS → |
At 19:06 UTC on June 18, 2026, a magnitude 2.2 tremor occurred 75 km WSW of Nikolski, Alaska. The hypocenter lay at 12.2 km, placing this in the shallow crustal category. Geolocation places the event at 52.727°N, -169.929°E. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-18 2026-06-18 19:04:07 UTC | 2.4ml | 106 km E of Nikolski, Alaska 52.907°, -167.277° | 14.8 km | - | - | - | ✓ Reviewed | USGS → |
On June 18, 2026, worldwide seismic activity registered a magnitude 2.4 earthquake 106 km E of Nikolski, Alaska at 19:04 UTC. At a depth of 14.8 km, the event was shallow crustal. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Coordinates: 52.907°, -167.277°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-18 2026-06-18 18:57:46 UTC | 2.4ml | 51 km ENE of Susitna North, Alaska 62.271°, -148.894° | 20.0 km | 1 | - | - | ✓ Reviewed | USGS → |
At 18:57 UTC on June 18, 2026, a magnitude 2.4 tremor occurred 51 km ENE of Susitna North, Alaska. A small number of nearby observers (1) submitted felt reports to the USGS. The event originated approximately 20.0 km below the surface, classifying it as shallow crustal. The epicenter is at 62.271°, -148.894°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-18 2026-06-18 18:56:53 UTC | 3.9md | 56 km ENE of Cruz Bay, U.S. Virgin Islands 18.550°, -64.310° | 55.0 km | - | - | - | ✓ Reviewed | USGS → |
On June 18, 2026, worldwide seismic activity registered a magnitude 3.9 earthquake 56 km ENE of Cruz Bay, U.S. Virgin Islands at 18:56 UTC. This was a shallow crustal earthquake, focused at 55.0 km depth. Coordinates: 18.550°, -64.310°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M3.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-18 2026-06-18 18:31:50 UTC | 2.1md | 5 km S of Milton-Freewater, Oregon 45.883°, -118.374° | -0.4 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.1 earthquake was recorded 5 km S of Milton-Freewater, Oregon on June 18, 2026 at 18:31 UTC. At a depth of just -0.4 km, this was a very shallow event, close enough to the surface that modest magnitudes can produce significant local shaking. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Coordinates: 45.883°, -118.374°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-18 2026-06-18 18:29:47 UTC | 2.1md | 11 km SSW of Ponce, Puerto Rico 17.910°, -66.648° | 17.9 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.1 earthquake 11 km SSW of Ponce, Puerto Rico at 18:29 UTC on June 18, 2026. At a depth of 17.9 km, the event was shallow crustal. Geolocation places the event at 17.910°N, -66.648°E. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-18 2026-06-18 17:12:33 UTC | 2.8md | 5 km S of Salinas, Puerto Rico 17.930°, -66.300° | 10.4 km | - | - | - | ✓ Reviewed | USGS → |
At 17:12 UTC on June 18, 2026, a magnitude 2.8 tremor occurred 5 km S of Salinas, Puerto Rico. The hypocenter lay at 10.4 km, placing this in the shallow crustal category. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Coordinates: 17.930°, -66.300°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-18 2026-06-18 16:48:45 UTC | 3.4ml | 6 km SSW of Soldotna, Alaska 60.433°, -151.086° | 61.6 km | 1 | II | - | ✓ Reviewed | USGS → |
A magnitude 3.4 earthquake was recorded 6 km SSW of Soldotna, Alaska on June 18, 2026 at 16:48 UTC. On the Modified Mercalli scale, shaking reached 2.4 — considered weak. A small number of nearby observers (1) submitted felt reports to the USGS. This was a shallow crustal earthquake, focused at 61.6 km depth. Geolocation places the event at 60.433°N, -151.086°E. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-18 2026-06-18 16:33:58 UTC | 5.3mb | 63 km ESE of Bobon, Philippines 6.560°, 126.809° | 10.0 km | 1 | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 5.3 earthquake 63 km ESE of Bobon, Philippines with origin time 16:33 UTC on June 18, 2026. It ranks as the third largest event in the current dataset. A small number of nearby observers (1) submitted felt reports to the USGS. The event originated approximately 10.0 km below the surface, classifying it as shallow crustal. Coordinates: 6.560°, 126.809°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M5.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-18 2026-06-18 16:32:31 UTC | 2.4ml | 80 km ENE of Lime Village, Alaska 61.694°, -154.093° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.4 earthquake 80 km ENE of Lime Village, Alaska at 16:32 UTC on June 18, 2026. This was a shallow crustal earthquake, focused at 10.0 km depth. Geolocation places the event at 61.694°N, -154.093°E. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
Legend:
Mag: Magnitude ({magType} = ml, mb, mw, etc.)
Felt: Number of DYFI felt reports
MMI: Modified Mercalli Intensity (I-X+)
Alert: PAGER alert level
Depth: Shallow (<70km), Intermediate, Deep (>300km)
Status: Auto = preliminary, Reviewed = verified by seismologist
Click any row to see additional technical details.
About This Page
This page shows all earthquakes recorded by the USGS Earthquake Hazards Program during the 24-hour UTC period on June 18, 2026. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.