Earthquakes on June 21, 2026
239
EARTHQUAKES on June 21, 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+
3
M4.0–4.9
36
M3.0–3.9
13
M2.0–2.9
64
M1.0–1.9
123
Activity Summary
239
Total earthquakes
~250
Daily average
Normal
Activity level
3
M5.0+ events
Significant Earthquakes (M4.5+)
5.4
central Mid-Atlantic Ridge
22:04 UTC · 10.0 km deep
5.1
Kermadec Islands, New Zealand
23:14 UTC · 74.1 km deep
5.0
Drake Passage
20:05 UTC · 10.0 km deep
4.9
211 km ESE of Severo-Kuril’sk, Russia
23:04 UTC · 10.0 km deep
4.8
88 km ENE of Fangale’ounga, Tonga
17:29 UTC · 10.0 km deep
4.8
south of the Fiji Islands
06:04 UTC · 601.2 km deep
4.7
50 km S of Qapqal, China
17:58 UTC · 10.0 km deep
4.7
20 km E of Torata, Peru
08:50 UTC · 123.6 km deep
Earthquake Map — June 21, 2026
All Earthquakes — June 21, 2026
Showing 30 of 116 (filtered from 239)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2026-06-21 2026-06-21 23:51:56 UTC | 2.6ml | 38 km NNW of Toyah, Texas 31.616°, -103.992° | 8.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.6 earthquake 38 km NNW of Toyah, Texas at 23:51 UTC on June 21, 2026. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-21 2026-06-21 23:27:49 UTC | 2.8md | 2 km NNE of Guayanilla, Puerto Rico 18.040°, -66.787° | 15.7 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.8 earthquake 2 km NNE of Guayanilla, Puerto Rico came in on June 21, 2026 at 23:27 UTC. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-21 2026-06-21 23:14:45 UTC | 5.1mb | Kermadec Islands, New Zealand -30.288°, -178.386° | 74.1 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 5.1 earthquake was recorded near Kermadec Islands, New Zealand on June 21, 2026 at 23:14 UTC. See the M5.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-21 2026-06-21 23:04:25 UTC | 4.9mb | 211 km ESE of Severo-Kuril’sk, Russia 49.995°, 158.905° | 10.0 km | - | II | - | ✓ Reviewed | USGS → |
On June 21, 2026, worldwide seismic activity registered a magnitude 4.9 earthquake 211 km ESE of Severo-Kuril’sk, Russia at 23:04 UTC. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-21 2026-06-21 23:04:12 UTC | 2.8ml | 186 km SSE of False Pass, Alaska 53.261°, -162.538° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.8 seismic event took place 186 km SSE of False Pass, Alaska on June 21, 2026 at 23:04 UTC. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-21 2026-06-21 22:16:11 UTC | 4.4mb | 169 km SE of Nabire, Indonesia -4.306°, 136.702° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.4 event was detected 169 km SE of Nabire, Indonesia on June 21, 2026, with origin time 22:16 UTC. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-21 2026-06-21 22:04:16 UTC | 5.4mww | central Mid-Atlantic Ridge 0.968°, -27.811° | 10.0 km | - | II | green | ✓ Reviewed | USGS → |
On June 21, 2026 at 22:04 UTC, a magnitude 5.4 earthquake struck near central Mid-Atlantic Ridge. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. It is the largest earthquake currently listed for worldwide seismic activity on June 21, 2026. See the M5.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-21 2026-06-21 21:56:03 UTC | 4.0mb | 94 km ENE of Hachinohe, Japan 40.819°, 142.542° | 49.8 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.0 earthquake 94 km ENE of Hachinohe, Japan came in on June 21, 2026 at 21:56 UTC. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-21 2026-06-21 21:50:52 UTC | 2.3ml | 17 km NE of West Yellowstone, Montana 44.782°, -110.965° | 8.7 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.3 earthquake 17 km NE of West Yellowstone, Montana at 21:50 UTC on June 21, 2026. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-21 2026-06-21 21:34:32 UTC | 2.2ml | 121 km WSW of Adak, Alaska 51.332°, -178.160° | 10.7 km | - | - | - | ✓ Reviewed | USGS → |
On June 21, 2026, worldwide seismic activity registered a magnitude 2.2 earthquake 121 km WSW of Adak, Alaska at 21:34 UTC. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-21 2026-06-21 21:32:12 UTC | 2.4ml | 96 km S of Sand Point, Alaska 54.480°, -160.276° | 7.3 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.4 seismic event took place 96 km S of Sand Point, Alaska on June 21, 2026 at 21:32 UTC. It arrived roughly 6 hours after a larger magnitude 2.6 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-21 2026-06-21 21:26:27 UTC | 4.5mb | 114 km ENE of Masohi, Indonesia -3.011°, 129.960° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.5 earthquake 114 km ENE of Masohi, Indonesia with origin time 21:26 UTC on June 21, 2026. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-21 2026-06-21 21:20:22 UTC | 2.0ml | 61 km SE of Cantwell, Alaska 62.953°, -148.213° | 5.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.0 earthquake was recorded 61 km SE of Cantwell, Alaska on June 21, 2026 at 21:20 UTC. It arrived roughly 13 hours after a larger magnitude 2.8 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-21 2026-06-21 21:12:31 UTC | 2.3ml | 101 km SE of Akutan, Alaska 53.526°, -164.627° | 26.1 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.3 event was detected 101 km SE of Akutan, Alaska on June 21, 2026, with origin time 21:12 UTC. Coming 15 hours after a magnitude 2.4 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-21 2026-06-21 20:28:01 UTC | 4.4mb | Izu Islands, Japan region 30.957°, 142.783° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.4 earthquake in the Izu Islands, Japan region came in on June 21, 2026 at 20:28 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-21 2026-06-21 20:05:26 UTC | 5.0mb | Drake Passage -60.070°, -62.319° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 5.0 earthquake near Drake Passage with origin time 20:05 UTC on June 21, 2026. See the M5.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-21 2026-06-21 19:43:13 UTC | 2.7ml | 182 km SSE of Unalaska, Alaska 52.515°, -165.004° | 20.2 km | - | - | - | ✓ Reviewed | USGS → |
On June 21, 2026 at 19:43 UTC, a magnitude 2.7 earthquake struck 182 km SSE of Unalaska, Alaska. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-21 2026-06-21 19:33:11 UTC | 2.9ml | 30 km N of Lowman, Idaho 44.358°, -115.665° | 11.1 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.9 earthquake 30 km N of Lowman, Idaho with origin time 19:33 UTC on June 21, 2026. The event was offshore. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-21 2026-06-21 19:29:19 UTC | 2.1ml | 94 km SE of King Cove, Alaska 54.390°, -161.417° | 5.5 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.1 earthquake was recorded 94 km SE of King Cove, Alaska on June 21, 2026 at 19:29 UTC. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-21 2026-06-21 19:19:54 UTC | 2.9md | 1 km ENE of Huron, CA 36.208°, -120.091° | 12.6 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.9 event was detected 1 km ENE of Huron, CA on June 21, 2026, with origin time 19:19 UTC. Coming 3 hours after a magnitude 3.1 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-21 2026-06-21 19:05:10 UTC | 3.4ml | 67 km SSE of Kokhanok, Alaska 58.859°, -154.435° | 127.3 km | - | - | - | ✓ Reviewed | USGS → |
On June 21, 2026, worldwide seismic activity registered a magnitude 3.4 earthquake 67 km SSE of Kokhanok, Alaska at 19:05 UTC. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-21 2026-06-21 18:54:37 UTC | 2.6md | 34 km W of Shelter Cove, CA 39.980°, -124.462° | 3.2 km | - | - | - | ✓ Reviewed | USGS → |
On June 21, 2026, worldwide seismic activity registered a magnitude 2.6 earthquake 34 km W of Shelter Cove, CA at 18:54 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-21 2026-06-21 18:30:00 UTC | 4.2mb | 42 km ESE of Severo-Kuril’sk, Russia 50.563°, 156.701° | 82.1 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.2 event was detected 42 km ESE of Severo-Kuril’sk, Russia on June 21, 2026, with origin time 18:30 UTC. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-21 2026-06-21 18:28:11 UTC | 2.5ml | 50 km NNE of White Mountain, Alaska 65.106°, -163.016° | 2.9 km | - | - | - | ✓ Reviewed | USGS → |
At 18:28 UTC on June 21, 2026, a magnitude 2.5 tremor occurred 50 km NNE of White Mountain, Alaska. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-21 2026-06-21 18:23:17 UTC | 2.7ml | 42 km E of Yakutat, Alaska 59.541°, -138.968° | 4.8 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.7 earthquake was recorded 42 km E of Yakutat, Alaska on June 21, 2026 at 18:23 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-21 2026-06-21 18:19:08 UTC | 2.1ml | 56 km NNE of White Mountain, Alaska 65.168°, -163.062° | 14.4 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.1 earthquake 56 km NNE of White Mountain, Alaska with origin time 18:19 UTC on June 21, 2026. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-21 2026-06-21 18:18:19 UTC | 4.4mb | southeast of the Loyalty Islands -22.999°, 171.480° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.4 seismic event took place southeast of the Loyalty Islands on June 21, 2026 at 18:18 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-21 2026-06-21 18:14:07 UTC | 2.0ml | 68 km SSE of Adak, Alaska 51.323°, -176.186° | 30.4 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.0 earthquake 68 km SSE of Adak, Alaska with origin time 18:14 UTC on June 21, 2026. This event falls inside the aftershock decay of a nearby magnitude 2.2 earthquake that occurred about 16 hours earlier. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-21 2026-06-21 17:58:44 UTC | 4.7mb | 50 km S of Qapqal, China 43.346°, 81.132° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.7 event was detected 50 km S of Qapqal, China on June 21, 2026, with origin time 17:58 UTC. The event was offshore. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-21 2026-06-21 17:46:34 UTC | 2.3ml | 106 km SW of Adak, Alaska 51.240°, -177.791° | 14.5 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.3 earthquake 106 km SW of Adak, Alaska came in on June 21, 2026 at 17:46 UTC. The event was offshore. See the M2.3 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 21, 2026. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.