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Earthquakes on August 12, 2025

303
EARTHQUAKES on August 12, 2025
24-hour UTC period · USGS data
14 km deep · 14 people felt it
Elevated activity
compared to daily average (~250/day)

Magnitude Breakdown

M5.0+
8
M4.0–4.9
66
M3.0–3.9
15
M2.0–2.9
53
M1.0–1.9
161

Activity Summary

303
Total earthquakes
~250
Daily average
Elevated
Activity level
8
M5.0+ events

Earthquake Map — August 12, 2025

Map showing earthquake epicenter at 20.00°, 0.00°

All Earthquakes — August 12, 2025

Showing 30 of 142 (filtered from 303)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
Time Mag Location Depth Felt MMIAlertStatusDetails
2025-08-12
2025-08-12 23:56:29 UTC
4.4mb
212 km ESE of Severo-Kuril’sk, Russia
50.326°, 159.068°
10.0 km---✓ ReviewedUSGS →
A magnitude 4.4 seismic event took place 212 km ESE of Severo-Kuril’sk, Russia on August 12, 2025 at 23:56 UTC. Coming 4 hours after a magnitude 5.1 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-08-12
2025-08-12 23:52:04 UTC
4.9mb
214 km E of Severo-Kuril’sk, Russia
50.355°, 159.111°
10.0 km---✓ ReviewedUSGS →
A magnitude 4.9 seismic event took place 214 km E of Severo-Kuril’sk, Russia on August 12, 2025 at 23:52 UTC. Coming 3 hours after a magnitude 5.1 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-08-12
2025-08-12 23:39:14 UTC
4.3mb
133 km SW of Acajutla, El Salvador
12.613°, -90.553°
10.0 km---✓ ReviewedUSGS →
At 23:39 UTC on August 12, 2025, a magnitude 4.3 tremor occurred 133 km SW of Acajutla, El Salvador. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-08-12
2025-08-12 23:24:40 UTC
4.3mb
250 km ESE of Severo-Kuril’sk, Russia
49.976°, 159.476°
10.0 km---✓ ReviewedUSGS →
The USGS recorded this magnitude 4.3 earthquake 250 km ESE of Severo-Kuril’sk, Russia at 23:24 UTC on August 12, 2025. It arrived roughly 8 hours after a larger magnitude 4.4 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-08-12
2025-08-12 23:24:25 UTC
2.3md
8 km SE of La Parguera, Puerto Rico
17.926°, -66.990°
6.7 km---✓ ReviewedUSGS →
Seismographs logged a magnitude 2.3 earthquake 8 km SE of La Parguera, Puerto Rico with origin time 23:24 UTC on August 12, 2025. This event falls inside the aftershock decay of a nearby magnitude 2.6 earthquake that occurred about 21 hours earlier. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-08-12
2025-08-12 23:22:05 UTC
3.4ml
90 km SSW of Unalaska, Alaska
53.086°, -166.886°
35.0 km---✓ ReviewedUSGS →
A magnitude 3.4 seismic event took place 90 km SSW of Unalaska, Alaska on August 12, 2025 at 23:22 UTC. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-08-12
2025-08-12 23:13:24 UTC
2.6ml
24 km NE of Beluga, Alaska
61.270°, -150.708°
52.9 km---✓ ReviewedUSGS →
On August 12, 2025 at 23:13 UTC, a magnitude 2.6 earthquake struck 24 km NE of Beluga, Alaska. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-08-12
2025-08-12 23:06:21 UTC
4.2mb
Carlsberg Ridge
2.943°, 65.188°
10.0 km---✓ ReviewedUSGS →
Reports of a magnitude 4.2 earthquake near Carlsberg Ridge came in on August 12, 2025 at 23:06 UTC. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-08-12
2025-08-12 23:03:28 UTC
2.2ml
100 km SSE of Sand Point, Alaska
54.501°, -159.901°
22.8 km---✓ ReviewedUSGS →
August 12, 2025 brought a magnitude 2.2 earthquake 100 km SSE of Sand Point, Alaska, logged at 23:03 UTC. Coming 17 hours after a magnitude 3.1 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-08-12
2025-08-12 22:53:24 UTC
2.7ml
111 km SSE of Sand Point, Alaska
54.404°, -159.882°
31.7 km---✓ ReviewedUSGS →
Seismographs logged a magnitude 2.7 earthquake 111 km SSE of Sand Point, Alaska with origin time 22:53 UTC on August 12, 2025. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-08-12
2025-08-12 22:50:27 UTC
4.5mb
38 km ESE of Nemuro, Japan
43.234°, 146.029°
63.3 km---✓ ReviewedUSGS →
Reports of a magnitude 4.5 earthquake 38 km ESE of Nemuro, Japan came in on August 12, 2025 at 22:50 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-08-12
2025-08-12 22:44:32 UTC
2.3md
0 km SSE of Indios, Puerto Rico
17.988°, -66.818°
14.9 km---✓ ReviewedUSGS →
On August 12, 2025, worldwide seismic activity registered a magnitude 2.3 earthquake 0 km SSE of Indios, Puerto Rico at 22:44 UTC. Coming 21 hours after a magnitude 2.6 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.
2025-08-12
2025-08-12 22:33:04 UTC
3.1ml
13 km E of Wright, Wyoming
43.746°, -105.322°
0.0 km---✓ ReviewedUSGS →
On August 12, 2025, worldwide seismic activity registered a magnitude 3.1 earthquake 13 km E of Wright, Wyoming at 22:33 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-08-12
2025-08-12 22:26:04 UTC
4.6mb
179 km ESE of Severo-Kuril’sk, Russia
50.066°, 158.467°
10.0 km---✓ ReviewedUSGS →
August 12, 2025 brought a magnitude 4.6 earthquake 179 km ESE of Severo-Kuril’sk, Russia, logged at 22:26 UTC. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-08-12
2025-08-12 22:03:47 UTC
3.5md
70 km NNE of Punta Cana, Dominican Republic
19.172°, -68.148°
102.0 km---✓ ReviewedUSGS →
Reports of a magnitude 3.5 earthquake 70 km NNE of Punta Cana, Dominican Republic came in on August 12, 2025 at 22:03 UTC. See the M3.5 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-08-12
2025-08-12 21:54:56 UTC
4.2mb
83 km E of Petropavlovsk-Kamchatsky, Russia
53.100°, 159.869°
59.1 km---✓ ReviewedUSGS →
A magnitude 4.2 seismic event took place 83 km E of Petropavlovsk-Kamchatsky, Russia on August 12, 2025 at 21:54 UTC. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-08-12
2025-08-12 21:35:42 UTC
2.8ml
40 km SE of Akutan, Alaska
53.934°, -165.268°
64.8 km---✓ ReviewedUSGS →
On August 12, 2025 at 21:35 UTC, a magnitude 2.8 earthquake struck 40 km SE of Akutan, Alaska. The event was offshore. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-08-12
2025-08-12 21:30:26 UTC
4.2mb
17 km SW of Sındırgı, Turkey
39.135°, 28.036°
15.0 km---✓ ReviewedUSGS →
August 12, 2025 brought a magnitude 4.2 earthquake 17 km SW of Sındırgı, Turkey, logged at 21:30 UTC. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-08-12
2025-08-12 21:26:23 UTC
2.3ml
11 km S of Princeton, Canada
49.353°, -120.489°
-0.4 km---✓ ReviewedUSGS →
At 21:26 UTC on August 12, 2025, a magnitude 2.3 tremor occurred 11 km S of Princeton, Canada. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-08-12
2025-08-12 21:18:52 UTC
4.1mb
northern East Pacific Rise
8.631°, -103.452°
10.0 km---✓ ReviewedUSGS →
The USGS recorded this magnitude 4.1 earthquake near northern East Pacific Rise at 21:18 UTC on August 12, 2025. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-08-12
2025-08-12 20:45:17 UTC
4.5mb
188 km N of Dili, Timor Leste
-6.875°, 125.312°
520.7 km---✓ ReviewedUSGS →
A magnitude 4.5 seismic event took place 188 km N of Dili, Timor Leste on August 12, 2025 at 20:45 UTC. This event falls inside the aftershock decay of a nearby magnitude 5.4 earthquake that occurred about 4 hours earlier. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-08-12
2025-08-12 20:29:42 UTC
4.1mb
6 km WNW of Karyes, Greece
40.285°, 24.177°
14.3 km---✓ ReviewedUSGS →
This magnitude 4.1 event was detected 6 km WNW of Karyes, Greece on August 12, 2025, with origin time 20:29 UTC. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-08-12
2025-08-12 20:26:41 UTC
2.2ml
102 km SSE of Sand Point, Alaska
54.477°, -159.913°
18.2 km---✓ ReviewedUSGS →
On August 12, 2025 at 20:26 UTC, a magnitude 2.2 earthquake struck 102 km SSE of Sand Point, Alaska. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-08-12
2025-08-12 20:24:00 UTC
5.1mww
219 km ESE of Severo-Kuril’sk, Russia
50.313°, 159.163°
10.4 km---✓ ReviewedUSGS →
This magnitude 5.1 event was detected 219 km ESE of Severo-Kuril’sk, Russia on August 12, 2025, with origin time 20:24 UTC. See the M5.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-08-12
2025-08-12 20:19:48 UTC
4.5mb
203 km S of Kokopo, Papua New Guinea
-6.181°, 152.166°
10.0 km---✓ ReviewedUSGS →
August 12, 2025 brought a magnitude 4.5 earthquake 203 km S of Kokopo, Papua New Guinea, logged at 20:19 UTC. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-08-12
2025-08-12 20:03:47 UTC
2.9ml
157 km S of False Pass, Alaska
53.449°, -163.633°
10.0 km---✓ ReviewedUSGS →
August 12, 2025 brought a magnitude 2.9 earthquake 157 km S of False Pass, Alaska, logged at 20:03 UTC. Coming 8 hours after a magnitude 3.6 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-08-12
2025-08-12 19:50:55 UTC
2.2ml
25 km W of Brinnon, Washington
47.673°, -123.242°
44.1 km3--✓ ReviewedUSGS →
A magnitude 2.2 seismic event took place 25 km W of Brinnon, Washington on August 12, 2025 at 19:50 UTC. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-08-12
2025-08-12 19:21:23 UTC
4.1mb
168 km ESE of Petropavlovsk-Kamchatsky, Russia
52.535°, 160.972°
23.6 km---✓ ReviewedUSGS →
Reports of a magnitude 4.1 earthquake 168 km ESE of Petropavlovsk-Kamchatsky, Russia came in on August 12, 2025 at 19:21 UTC. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-08-12
2025-08-12 19:15:23 UTC
4.3mb
262 km ESE of Severo-Kuril’sk, Russia
50.097°, 159.704°
10.0 km---✓ ReviewedUSGS →
This magnitude 4.3 event was detected 262 km ESE of Severo-Kuril’sk, Russia on August 12, 2025, with origin time 19:15 UTC. This event falls inside the aftershock decay of a nearby magnitude 4.4 earthquake that occurred about 4 hours earlier. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-08-12
2025-08-12 19:07:21 UTC
4.6mb
207 km SSW of Severo-Kuril’sk, Russia
49.129°, 154.501°
102.9 km---✓ ReviewedUSGS →
On August 12, 2025 at 19:07 UTC, a magnitude 4.6 earthquake struck 207 km SSW of Severo-Kuril’sk, Russia. See the M4.6 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 12, 2025. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.