Earthquakes on September 12, 2025
275
EARTHQUAKES on September 12, 2025
24-hour UTC period · USGS data
LARGEST: M5.6 — Tristan da Cunha region
10 km deep
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
8
M4.0–4.9
46
M3.0–3.9
10
M2.0–2.9
38
M1.0–1.9
173
Activity Summary
275
Total earthquakes
~250
Daily average
Normal
Activity level
8
M5.0+ events
Significant Earthquakes (M4.5+)
5.6
Tristan da Cunha region
17:46 UTC · 10.0 km deep
5.4
Pacific-Antarctic Ridge
23:12 UTC · 10.0 km deep
5.3
South Sandwich Islands region
03:31 UTC · 10.0 km deep
5.1
138 km SE of Vilyuchinsk, Russia
20:53 UTC · 22.3 km deep
5.1
Pacific-Antarctic Ridge
18:35 UTC · 10.0 km deep
5.1
75 km W of Lata, Solomon Islands
17:29 UTC · 61.3 km deep
5.0
137 km N of Lobuche, Nepal
21:42 UTC · 10.0 km deep
5.0
34 km SSW of Lakatoro, Vanuatu
04:50 UTC · 10.0 km deep
Earthquake Map — September 12, 2025
All Earthquakes — September 12, 2025
Showing 30 of 102 (filtered from 275)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2025-09-12 2025-09-12 23:58:10 UTC | 2.5md | 8 km SSE of La Parguera, Puerto Rico 17.903°, -67.029° | 13.4 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.5 earthquake 8 km SSE of La Parguera, Puerto Rico at 23:58 UTC on September 12, 2025. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-12 2025-09-12 23:49:37 UTC | 4.5mb | 71 km W of San Antonio de los Cobres, Argentina -24.264°, -67.022° | 186.2 km | - | - | - | ✓ Reviewed | USGS → |
On September 12, 2025 at 23:49 UTC, a magnitude 4.5 earthquake struck 71 km W of San Antonio de los Cobres, Argentina. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-12 2025-09-12 23:48:19 UTC | 4.4mb | south of Africa -52.896°, 22.014° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.4 earthquake south of Africa came in on September 12, 2025 at 23:48 UTC. It arrived roughly 12 hours after a larger magnitude 4.6 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-12 2025-09-12 23:36:53 UTC | 2.0md | 13 km WSW of Madera, CA 36.936°, -120.201° | 16.3 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.0 earthquake 13 km WSW of Madera, CA with origin time 23:36 UTC on September 12, 2025. Coming 15 hours after a magnitude 2.1 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. | ||||||||
2025-09-12 2025-09-12 23:35:53 UTC | 4.6mb | 147 km SW of El Palmarcito, Mexico 14.649°, -94.268° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 23:35 UTC on September 12, 2025, a magnitude 4.6 tremor occurred 147 km SW of El Palmarcito, Mexico. The event was offshore. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-12 2025-09-12 23:12:54 UTC | 5.4mww | Pacific-Antarctic Ridge -56.169°, -143.076° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 5.4 earthquake was recorded near Pacific-Antarctic Ridge on September 12, 2025 at 23:12 UTC. See the M5.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-12 2025-09-12 23:11:47 UTC | 4.5mb | 114 km ESE of Severo-Kuril’sk, Russia 50.474°, 157.713° | 40.9 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.5 earthquake was recorded 114 km ESE of Severo-Kuril’sk, Russia on September 12, 2025 at 23:11 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-12 2025-09-12 22:45:24 UTC | 3.1md | 71 km N of Charlotte Amalie, U.S. Virgin Islands 18.985°, -65.013° | 48.4 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.1 earthquake was recorded 71 km N of Charlotte Amalie, U.S. Virgin Islands on September 12, 2025 at 22:45 UTC. The event was offshore. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-12 2025-09-12 22:29:25 UTC | 4.9mb | 125 km SE of Vilyuchinsk, Russia 52.138°, 159.710° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.9 seismic event took place 125 km SE of Vilyuchinsk, Russia on September 12, 2025 at 22:29 UTC. Coming 2 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. | ||||||||
2025-09-12 2025-09-12 21:50:27 UTC | 4.7mb | 119 km SE of Vilyuchinsk, Russia 52.191°, 159.679° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.7 earthquake was recorded 119 km SE of Vilyuchinsk, Russia on September 12, 2025 at 21:50 UTC. Coming 1 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 M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-12 2025-09-12 21:42:10 UTC | 5.0mb | 137 km N of Lobuche, Nepal 29.180°, 87.016° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 5.0 event was detected 137 km N of Lobuche, Nepal on September 12, 2025, with origin time 21:42 UTC. The event was offshore. See the M5.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-12 2025-09-12 21:31:44 UTC | 4.1mb | 146 km SE of Petropavlovsk-Kamchatsky, Russia 52.178°, 160.219° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.1 earthquake was recorded 146 km SE of Petropavlovsk-Kamchatsky, Russia on September 12, 2025 at 21:31 UTC. The event was offshore. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-12 2025-09-12 21:24:30 UTC | 2.7ml | 28 km NNE of Paxson, Alaska 63.336°, -145.465° | 16.8 km | - | - | - | Auto | USGS → |
September 12, 2025 brought a magnitude 2.7 earthquake 28 km NNE of Paxson, Alaska, logged at 21:24 UTC. It arrived roughly 1 hours after a larger magnitude 3.8 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-12 2025-09-12 21:22:00 UTC | 4.3mb | 73 km W of Tual, Indonesia -5.523°, 132.102° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.3 earthquake 73 km W of Tual, Indonesia came in on September 12, 2025 at 21:22 UTC. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-12 2025-09-12 21:20:09 UTC | 4.5mb | 210 km SE of Vilyuchinsk, Russia 51.521°, 160.458° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.5 earthquake 210 km SE of Vilyuchinsk, Russia with origin time 21:20 UTC on September 12, 2025. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-12 2025-09-12 21:16:26 UTC | 2.1ml | 8 km SSW of Princeton, Canada 49.387°, -120.539° | -0.5 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.1 seismic event took place 8 km SSW of Princeton, Canada on September 12, 2025 at 21:16 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-12 2025-09-12 21:14:02 UTC | 2.0ml | 29 km NNE of Paxson, Alaska 63.337°, -145.387° | 9.7 km | - | - | - | Auto | USGS → |
The USGS recorded this magnitude 2.0 earthquake 29 km NNE of Paxson, Alaska at 21:14 UTC on September 12, 2025. Coming 1 hours after a magnitude 3.8 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. | ||||||||
2025-09-12 2025-09-12 21:08:56 UTC | 3.8ml | 34 km NNE of Paxson, Alaska 63.389°, -145.434° | 8.6 km | - | III | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 3.8 earthquake 34 km NNE of Paxson, Alaska at 21:08 UTC on September 12, 2025. In the 72 hours after this event, the USGS recorded 7 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M3.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-12 2025-09-12 20:53:07 UTC | 5.1mww | 138 km SE of Vilyuchinsk, Russia 52.063°, 159.858° | 22.3 km | - | - | - | ✓ Reviewed | USGS → |
On September 12, 2025, worldwide seismic activity registered a magnitude 5.1 earthquake 138 km SE of Vilyuchinsk, Russia at 20:53 UTC. The event was offshore. See the M5.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-12 2025-09-12 20:33:25 UTC | 4.5mb | Azores Islands region 42.493°, -28.898° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On September 12, 2025, worldwide seismic activity registered a magnitude 4.5 earthquake in the Azores Islands region at 20:33 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-12 2025-09-12 20:31:48 UTC | 2.9ml | 63 km E of Yakutat, Alaska 59.452°, -138.619° | 3.1 km | - | - | - | Auto | USGS → |
The USGS recorded this magnitude 2.9 earthquake 63 km E of Yakutat, Alaska at 20:31 UTC on September 12, 2025. 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. | ||||||||
2025-09-12 2025-09-12 20:20:50 UTC | 3.4ml | 215 km SE of Chignik, Alaska 54.852°, -156.137° | 57.2 km | - | - | - | Auto | USGS → |
Reports of a magnitude 3.4 earthquake 215 km SE of Chignik, Alaska came in on September 12, 2025 at 20:20 UTC. The event was offshore. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-12 2025-09-12 20:04:16 UTC | 4.3mb | 43 km WSW of Grindavík, Iceland 63.675°, -23.238° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.3 seismic event took place 43 km WSW of Grindavík, Iceland on September 12, 2025 at 20:04 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-12 2025-09-12 19:56:21 UTC | 4.0mb | 297 km WNW of Houma, Tonga -20.555°, -178.085° | 516.8 km | - | - | - | ✓ Reviewed | USGS → |
On September 12, 2025, worldwide seismic activity registered a magnitude 4.0 earthquake 297 km WNW of Houma, Tonga at 19:56 UTC. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-12 2025-09-12 19:36:14 UTC | 2.9ml | 58 km SE of Denali National Park, Alaska 63.152°, -150.951° | 130.2 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.9 event was detected 58 km SE of Denali National Park, Alaska on September 12, 2025, with origin time 19:36 UTC. The event was offshore. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-12 2025-09-12 19:35:13 UTC | 4.4mb | 220 km SSE of Kokopo, Papua New Guinea -6.276°, 152.749° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.4 seismic event took place 220 km SSE of Kokopo, Papua New Guinea on September 12, 2025 at 19:35 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-12 2025-09-12 19:02:02 UTC | 4.2mb | 40 km SSE of Jurm, Afghanistan 36.562°, 71.077° | 199.5 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.2 event was detected 40 km SSE of Jurm, Afghanistan on September 12, 2025, with origin time 19:02 UTC. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-12 2025-09-12 18:38:26 UTC | 4.6mb | 76 km SSE of Waingapu, Indonesia -10.328°, 120.432° | 54.2 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.6 earthquake 76 km SSE of Waingapu, Indonesia at 18:38 UTC on September 12, 2025. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-12 2025-09-12 18:35:39 UTC | 5.1mb | Pacific-Antarctic Ridge -56.022°, -143.482° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 18:35 UTC on September 12, 2025, a magnitude 5.1 tremor occurred near Pacific-Antarctic Ridge. See the M5.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-12 2025-09-12 18:32:17 UTC | 4.4mb | 194 km SSE of Vilyuchinsk, Russia 51.269°, 159.268° | 34.4 km | - | - | - | ✓ Reviewed | USGS → |
September 12, 2025 brought a magnitude 4.4 earthquake 194 km SSE of Vilyuchinsk, Russia, logged at 18:32 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 September 12, 2025. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.