Earthquakes on June 20, 2026
248
EARTHQUAKES on June 20, 2026
24-hour UTC period · USGS data
10 km deep
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
6
M4.0–4.9
42
M3.0–3.9
10
M2.0–2.9
60
M1.0–1.9
130
Activity Summary
248
Total earthquakes
~250
Daily average
Normal
Activity level
6
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
5.8
156 km ESE of Petropavlovsk-Kamchatsky, Russia
03:49 UTC · 10.0 km deep
5.7
west of Macquarie Island
01:46 UTC · 10.0 km deep
5.5
164 km NE of Georgetown, Saint Helena
06:43 UTC · 10.0 km deep
5.2
8 km SE of Kastrí, Greece
09:37 UTC · 34.1 km deep
Felt by 10
5.1
South Sandwich Islands region
04:44 UTC · 60.7 km deep
5.0
90 km SSW of Pagar Alam, Indonesia
01:40 UTC · 66.3 km deep
4.9
17 km SSE of Kastrí, Greece
09:31 UTC · 28.6 km deep
4.8
north of Ascension Island
21:04 UTC · 10.0 km deep
Earthquake Map — June 20, 2026
All Earthquakes — June 20, 2026
Showing 30 of 118 (filtered from 248)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2026-06-20 2026-06-20 23:43:06 UTC | 4.2mb | 156 km E of Petropavlovsk-Kamchatsky, Russia 52.846°, 160.930° | 12.0 km | - | - | - | ✓ Reviewed | USGS → |
June 20, 2026 brought a magnitude 4.2 earthquake 156 km E of Petropavlovsk-Kamchatsky, Russia, logged at 23:43 UTC. It arrived roughly 17 hours after a larger magnitude 4.3 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-20 2026-06-20 23:40:16 UTC | 2.3ml | 60 km W of Tyonek, Alaska 61.014°, -152.249° | 117.5 km | 1 | - | - | ✓ Reviewed | USGS → |
June 20, 2026 brought a magnitude 2.3 earthquake 60 km W of Tyonek, Alaska, logged at 23:40 UTC. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-20 2026-06-20 23:39:37 UTC | 2.5ml | 22 km NW of Stanley, Idaho 44.333°, -115.165° | 13.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.5 earthquake was recorded 22 km NW of Stanley, Idaho on June 20, 2026 at 23:39 UTC. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-20 2026-06-20 23:19:09 UTC | 2.8ml | 20 km SW of Atka, Alaska 52.064°, -174.417° | 163.5 km | - | - | - | ✓ Reviewed | USGS → |
At 23:19 UTC on June 20, 2026, a magnitude 2.8 tremor occurred 20 km SW of Atka, Alaska. The event was offshore. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-20 2026-06-20 22:35:17 UTC | 2.5ml | 94 km S of False Pass, Alaska 54.011°, -163.610° | 24.9 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.5 earthquake 94 km S of False Pass, Alaska with origin time 22:35 UTC on June 20, 2026. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-20 2026-06-20 22:30:00 UTC | 3.2md | 66 km NW of Rincón, Puerto Rico 18.794°, -67.659° | 17.5 km | - | - | - | ✓ Reviewed | USGS → |
At 22:30 UTC on June 20, 2026, a magnitude 3.2 tremor occurred 66 km NW of Rincón, Puerto Rico. The event was offshore. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-20 2026-06-20 22:23:36 UTC | 4.6mb | South Sandwich Islands region -56.184°, -30.994° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On June 20, 2026, worldwide seismic activity registered a magnitude 4.6 earthquake in the South Sandwich Islands region at 22:23 UTC. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-20 2026-06-20 22:21:44 UTC | 4.7mb | 112 km SE of Severo-Kuril’sk, Russia 50.024°, 157.332° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
On June 20, 2026 at 22:21 UTC, a magnitude 4.7 earthquake struck 112 km SE of Severo-Kuril’sk, Russia. The event was offshore. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-20 2026-06-20 21:53:36 UTC | 2.9ml | 3 km WNW of Little America, Wyoming 41.557°, -109.898° | -2.3 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.9 seismic event took place 3 km WNW of Little America, Wyoming on June 20, 2026 at 21:53 UTC. This is the shallowest earthquake in the current dataset — a shallow crustal event. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-20 2026-06-20 21:49:06 UTC | 2.2ml | 10 km S of Princeton, Canada 49.367°, -120.484° | -1.5 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.2 earthquake 10 km S of Princeton, Canada came in on June 20, 2026 at 21:49 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-20 2026-06-20 21:47:39 UTC | 4.1mb | 56 km SSE of Champerico, Guatemala 13.801°, -91.773° | 41.7 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.1 earthquake 56 km SSE of Champerico, Guatemala with origin time 21:47 UTC on June 20, 2026. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-20 2026-06-20 21:06:10 UTC | 2.5ml | 145 km S of Unalaska, Alaska 52.568°, -166.548° | 7.5 km | - | - | - | ✓ Reviewed | USGS → |
On June 20, 2026, worldwide seismic activity registered a magnitude 2.5 earthquake 145 km S of Unalaska, Alaska at 21:06 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.7 earthquake that occurred about 4 hours earlier. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-20 2026-06-20 21:04:46 UTC | 4.8mb | north of Ascension Island -3.789°, -12.281° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.8 earthquake north of Ascension Island came in on June 20, 2026 at 21:04 UTC. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-20 2026-06-20 21:04:10 UTC | 2.9ml | 16 km SSE of Stonewall Gap, Colorado 37.012°, -104.965° | 5.0 km | 1 | - | - | ✓ Reviewed | USGS → |
On June 20, 2026 at 21:04 UTC, a magnitude 2.9 earthquake struck 16 km SSE of Stonewall Gap, Colorado. It arrived roughly 4 hours after a larger magnitude 3.8 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-20 2026-06-20 20:53:12 UTC | 2.2ml | 96 km SE of King Cove, Alaska 54.373°, -161.400° | 7.1 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.2 seismic event took place 96 km SE of King Cove, Alaska on June 20, 2026 at 20:53 UTC. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-20 2026-06-20 20:49:07 UTC | 2.9ml | 178 km W of Bandon, Oregon 43.287°, -126.596° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.9 earthquake was recorded 178 km W of Bandon, Oregon on June 20, 2026 at 20:49 UTC. The event was offshore. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-20 2026-06-20 20:23:35 UTC | 2.3ml | 8 km WSW of Okarche, Oklahoma 35.685°, -98.061° | 7.2 km | 5 | - | - | ✓ Reviewed | USGS → |
On June 20, 2026 at 20:23 UTC, a magnitude 2.3 earthquake struck 8 km WSW of Okarche, Oklahoma. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-20 2026-06-20 20:23:31 UTC | 4.4mb | central Mid-Atlantic Ridge -0.456°, -20.009° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.4 earthquake near central Mid-Atlantic Ridge with origin time 20:23 UTC on June 20, 2026. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-20 2026-06-20 20:17:35 UTC | 2.4ml | 84 km N of Aleneva, Alaska 58.813°, -153.136° | 62.4 km | - | - | - | ✓ Reviewed | USGS → |
At 20:17 UTC on June 20, 2026, a magnitude 2.4 tremor occurred 84 km N of Aleneva, Alaska. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-20 2026-06-20 20:14:07 UTC | 2.3md | 10 km WNW of Cobb, CA 38.860°, -122.831° | 0.9 km | - | - | - | Auto | USGS → |
This magnitude 2.3 event was detected 10 km WNW of Cobb, CA on June 20, 2026, with origin time 20:14 UTC. In the 72 hours after this event, the USGS recorded 5 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-20 2026-06-20 19:51:31 UTC | 2.0ml | 18 km WNW of Ivanof Bay, Alaska 55.971°, -159.758° | 10.7 km | - | - | - | Auto | USGS → |
At 19:51 UTC on June 20, 2026, a magnitude 2.0 tremor occurred 18 km WNW of Ivanof Bay, Alaska. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-20 2026-06-20 19:45:25 UTC | 4.3mb | 5 km SE of Molina, Chile -35.148°, -71.242° | 94.4 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.3 earthquake was recorded 5 km SE of Molina, Chile on June 20, 2026 at 19:45 UTC. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-20 2026-06-20 18:54:44 UTC | 2.3ml | 51 km NNE of White Mountain, Alaska 65.125°, -163.086° | 12.6 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.3 earthquake was recorded 51 km NNE of White Mountain, Alaska on June 20, 2026 at 18:54 UTC. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-20 2026-06-20 18:34:49 UTC | 2.1md | 12 km SSW of Guánica, Puerto Rico 17.873°, -66.957° | 7.8 km | - | - | - | ✓ Reviewed | USGS → |
At 18:34 UTC on June 20, 2026, a magnitude 2.1 tremor occurred 12 km SSW of Guánica, Puerto Rico. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-20 2026-06-20 18:27:54 UTC | 4.7mb | southeast of the Loyalty Islands -22.430°, 173.864° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.7 earthquake was recorded southeast of the Loyalty Islands on June 20, 2026 at 18:27 UTC. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-20 2026-06-20 18:18:54 UTC | 2.6ml | 55 km SE of Adak, Alaska 51.549°, -176.033° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
June 20, 2026 brought a magnitude 2.6 earthquake 55 km SE of Adak, Alaska, logged at 18:18 UTC. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-20 2026-06-20 18:15:41 UTC | 2.4ml | 14 km SW of Weston, Colorado 37.026°, -104.946° | 9.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.4 earthquake 14 km SW of Weston, Colorado at 18:15 UTC on June 20, 2026. This event falls inside the aftershock decay of a nearby magnitude 3.8 earthquake that occurred about 1 hours earlier. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-20 2026-06-20 18:10:25 UTC | 2.3ml | 188 km S of Akhiok, Alaska 55.266°, -154.486° | 24.3 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.3 earthquake 188 km S of Akhiok, Alaska with origin time 18:10 UTC on June 20, 2026. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-20 2026-06-20 17:52:08 UTC | 2.3ml | 56 km S of Whites City, New Mexico 31.670°, -104.351° | 6.4 km | - | - | - | ✓ Reviewed | USGS → |
On June 20, 2026, worldwide seismic activity registered a magnitude 2.3 earthquake 56 km S of Whites City, New Mexico at 17:52 UTC. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-20 2026-06-20 17:51:47 UTC | 4.4mb | 78 km SSW of Acajutla, El Salvador 13.001°, -90.228° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
On June 20, 2026, worldwide seismic activity registered a magnitude 4.4 earthquake 78 km SSW of Acajutla, El Salvador at 17:51 UTC. See the M4.4 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 20, 2026. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.