Earthquakes on August 15, 2025
223
EARTHQUAKES on August 15, 2025
24-hour UTC period · USGS data
43 km deep
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
3
M4.0–4.9
50
M3.0–3.9
10
M2.0–2.9
58
M1.0–1.9
102
Activity Summary
223
Total earthquakes
~250
Daily average
Normal
Activity level
3
M5.0+ events
Significant Earthquakes (M4.5+)
5.7
93 km ESE of Petropavlovsk-Kamchatsky, Russia
10:11 UTC · 43.0 km deep
5.4
Balleny Islands region
07:14 UTC · 10.0 km deep
5.1
east of the Kuril Islands
15:50 UTC · 10.0 km deep
4.9
12 km ESE of Cherbourg, Australia
23:49 UTC · 10.0 km deep
Felt by 885
4.8
208 km SSE of Vilyuchinsk, Russia
05:25 UTC · 10.0 km deep
4.8
101 km NE of Tadine, New Caledonia
03:13 UTC · 10.0 km deep
4.7
160 km SE of Petropavlovsk-Kamchatsky, Russia
22:13 UTC · 10.0 km deep
4.6
northern Mid-Atlantic Ridge
06:34 UTC · 10.0 km deep
Earthquake Map — August 15, 2025
All Earthquakes — August 15, 2025
Showing 30 of 121 (filtered from 223)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2025-08-15 2025-08-15 23:58:38 UTC | 2.0ml | 293 km W of Adak, Alaska 51.697°, 179.125° | 76.4 km | - | - | - | ✓ Reviewed | USGS → |
At 23:58 UTC on August 15, 2025, a magnitude 2.0 tremor occurred 293 km W of Adak, Alaska. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-15 2025-08-15 23:56:50 UTC | 2.0ml | 93 km SSE of Sand Point, Alaska 54.556°, -159.959° | 20.6 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.0 earthquake 93 km SSE of Sand Point, Alaska at 23:56 UTC on August 15, 2025. This event falls inside the aftershock decay of a nearby magnitude 3.3 earthquake that occurred about 1 hours earlier. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-15 2025-08-15 23:54:16 UTC | 4.1mb | 163 km WNW of Constitución, Chile -34.539°, -73.915° | 19.9 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.1 earthquake 163 km WNW of Constitución, Chile at 23:54 UTC on August 15, 2025. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-15 2025-08-15 23:49:25 UTC | 4.9mww | 12 km ESE of Cherbourg, Australia -26.339°, 152.071° | 10.0 km | 885 | - | - | ✓ Reviewed | USGS → |
On August 15, 2025, worldwide seismic activity registered a magnitude 4.9 earthquake 12 km ESE of Cherbourg, Australia at 23:49 UTC. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-15 2025-08-15 23:46:59 UTC | 3.3ml | 93 km SSE of Sand Point, Alaska 54.548°, -159.980° | 12.1 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 3.3 earthquake 93 km SSE of Sand Point, Alaska at 23:46 UTC on August 15, 2025. See the M3.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-15 2025-08-15 23:39:32 UTC | 4.1mb | 102 km NE of Diego de Almagro, Chile -25.790°, -69.263° | 8.8 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.1 event was detected 102 km NE of Diego de Almagro, Chile on August 15, 2025, with origin time 23:39 UTC. The event was offshore. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-15 2025-08-15 23:28:06 UTC | 4.4mb | 17 km WSW of China, Japan 27.277°, 128.398° | 49.9 km | 1 | - | - | ✓ Reviewed | USGS → |
A magnitude 4.4 seismic event took place 17 km WSW of China, Japan on August 15, 2025 at 23:28 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-15 2025-08-15 22:56:26 UTC | 2.1ml | 27 km S of King Cove, Alaska 54.820°, -162.377° | 74.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.1 event was detected 27 km S of King Cove, Alaska on August 15, 2025, with origin time 22:56 UTC. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-15 2025-08-15 22:45:31 UTC | 4.2mb | east of the Kuril Islands 45.760°, 153.943° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.2 seismic event took place east of the Kuril Islands on August 15, 2025 at 22:45 UTC. Coming 7 hours after a magnitude 5.1 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-15 2025-08-15 22:26:39 UTC | 4.4mb | 22 km S of Caucete, Argentina -31.853°, -68.261° | 107.4 km | 1 | - | - | ✓ Reviewed | USGS → |
August 15, 2025 brought a magnitude 4.4 earthquake 22 km S of Caucete, Argentina, logged at 22:26 UTC. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-15 2025-08-15 22:17:30 UTC | 2.2ml | 52 km SSE of Adak, Alaska 51.415°, -176.468° | 25.6 km | - | - | - | ✓ Reviewed | USGS → |
On August 15, 2025 at 22:17 UTC, a magnitude 2.2 earthquake struck 52 km SSE of Adak, Alaska. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-15 2025-08-15 22:17:27 UTC | 2.4ml | 55 km ENE of Pedro Bay, Alaska 59.992°, -153.206° | 136.3 km | 1 | - | - | ✓ Reviewed | USGS → |
On August 15, 2025, worldwide seismic activity registered a magnitude 2.4 earthquake 55 km ENE of Pedro Bay, Alaska at 22:17 UTC. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-15 2025-08-15 22:14:29 UTC | 4.1mb | 28 km NE of Waingapu, Indonesia -9.462°, 120.430° | 88.1 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.1 earthquake 28 km NE of Waingapu, Indonesia came in on August 15, 2025 at 22:14 UTC. The event was offshore. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-15 2025-08-15 22:13:50 UTC | 4.7mb | 160 km SE of Petropavlovsk-Kamchatsky, Russia 52.141°, 160.455° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.7 event was detected 160 km SE of Petropavlovsk-Kamchatsky, Russia on August 15, 2025, with origin time 22:13 UTC. The event was offshore. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-15 2025-08-15 21:54:46 UTC | 4.4mb | 52 km E of Ust’-Kamchatsk Staryy, Russia 56.184°, 163.325° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On August 15, 2025 at 21:54 UTC, a magnitude 4.4 earthquake struck 52 km E of Ust’-Kamchatsk Staryy, Russia. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-15 2025-08-15 21:53:25 UTC | 2.8ml | 153 km S of False Pass, Alaska 53.484°, -163.689° | 24.8 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.8 earthquake 153 km S of False Pass, Alaska came in on August 15, 2025 at 21:53 UTC. The event was offshore. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-15 2025-08-15 21:41:05 UTC | 2.2md | 7 km SSE of La Parguera, Puerto Rico 17.914°, -67.020° | 12.8 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.2 seismic event took place 7 km SSE of La Parguera, Puerto Rico on August 15, 2025 at 21:41 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.4 earthquake that occurred about 11 hours earlier. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-15 2025-08-15 21:37:30 UTC | 2.0ml | 92 km SSE of Sand Point, Alaska 54.574°, -159.935° | 25.6 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.0 event was detected 92 km SSE of Sand Point, Alaska on August 15, 2025, with origin time 21:37 UTC. Coming 10 hours after a magnitude 3.0 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-15 2025-08-15 21:22:09 UTC | 2.2ml | 54 km NNW of Petersville, Alaska 62.926°, -151.258° | 106.9 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.2 earthquake was recorded 54 km NNW of Petersville, Alaska on August 15, 2025 at 21:22 UTC. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-15 2025-08-15 20:55:16 UTC | 4.2mb | 216 km SE of Petropavlovsk-Kamchatsky, Russia 51.621°, 160.757° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
August 15, 2025 brought a magnitude 4.2 earthquake 216 km SE of Petropavlovsk-Kamchatsky, Russia, logged at 20:55 UTC. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-15 2025-08-15 20:46:05 UTC | 2.9ml | 29 km SE of King Cove, Alaska 54.881°, -161.987° | 4.8 km | - | - | - | ✓ Reviewed | USGS → |
On August 15, 2025, worldwide seismic activity registered a magnitude 2.9 earthquake 29 km SE of King Cove, Alaska at 20:46 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-15 2025-08-15 20:29:16 UTC | 4.4mb | 68 km E of Arica, Chile -18.399°, -69.653° | 137.6 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.4 earthquake was recorded 68 km E of Arica, Chile on August 15, 2025 at 20:29 UTC. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-15 2025-08-15 20:03:17 UTC | 4.1mb | 137 km NNW of Kameshima, Japan 36.832°, 134.788° | 390.4 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.1 seismic event took place 137 km NNW of Kameshima, Japan on August 15, 2025 at 20:03 UTC. This is the deepest earthquake in the current dataset — a deep-focus event. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-15 2025-08-15 19:57:47 UTC | 2.2ml | 28 km SSW of Segundo, Colorado 36.873°, -104.834° | 5.3 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.2 earthquake 28 km SSW of Segundo, Colorado with origin time 19:57 UTC on August 15, 2025. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-15 2025-08-15 19:50:56 UTC | 4.1mb | 23 km S of Géfyra, Greece 36.481°, 23.063° | 51.1 km | - | - | - | ✓ Reviewed | USGS → |
August 15, 2025 brought a magnitude 4.1 earthquake 23 km S of Géfyra, Greece, logged at 19:50 UTC. The event was offshore. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-15 2025-08-15 19:36:05 UTC | 4.0mb | 163 km E of Ozernovskiy, Russia 51.448°, 158.854° | 59.1 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.0 earthquake was recorded 163 km E of Ozernovskiy, Russia on August 15, 2025 at 19:36 UTC. The event was offshore. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-15 2025-08-15 19:34:23 UTC | 2.4ml | 3 km ENE of Minco, Oklahoma 35.320°, -97.911° | 7.2 km | 2 | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.4 earthquake 3 km ENE of Minco, Oklahoma at 19:34 UTC on August 15, 2025. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-15 2025-08-15 19:13:30 UTC | 2.1ml | 4 km NE of Vashon, Washington 47.480°, -122.427° | 21.8 km | - | - | - | ✓ Reviewed | USGS → |
On August 15, 2025, worldwide seismic activity registered a magnitude 2.1 earthquake 4 km NE of Vashon, Washington at 19:13 UTC. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-15 2025-08-15 19:08:48 UTC | 2.3ml | 97 km SSE of Sand Point, Alaska 54.522°, -159.926° | 24.5 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.3 event was detected 97 km SSE of Sand Point, Alaska on August 15, 2025, with origin time 19:08 UTC. Coming 15 hours after a magnitude 3.0 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-15 2025-08-15 19:06:43 UTC | 4.5mb | 175 km S of Severo-Kuril’sk, Russia 49.103°, 156.271° | 35.5 km | - | - | - | ✓ Reviewed | USGS → |
On August 15, 2025 at 19:06 UTC, a magnitude 4.5 earthquake struck 175 km S of Severo-Kuril’sk, Russia. The event was offshore. See the M4.5 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 August 15, 2025. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.