Earthquakes on September 12, 2025: 275 Worldwide, Largest M5.6

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. This was a shallow crustal earthquake, focused at 13.4 km depth. The epicenter is at 17.903°, -67.029°. The solution has been reviewed by a USGS seismologist and is considered finalized. 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 hypocenter lay at 186.2 km, placing this in the intermediate depth category. The offshore location combined with this depth is characteristic of seismicity along descending slabs. Coordinates: -24.264°, -67.022°. The solution has been reviewed by a USGS seismologist and is considered finalized. 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. This was a shallow crustal earthquake, focused at 10.0 km depth. The epicenter is at -52.896°, 22.014°. The solution has been reviewed by a USGS seismologist and is considered finalized. 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. The hypocenter lay at 16.3 km, placing this in the shallow crustal category. Coordinates: 36.936°, -120.201°. The solution has been reviewed by a USGS seismologist and is considered finalized. 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 originated approximately 10.0 km below the surface, classifying it as shallow crustal. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Coordinates: 14.649°, -94.268°. The solution has been reviewed by a USGS seismologist and is considered finalized. 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. It ranks as the second largest event in the current dataset. At a depth of 10.0 km, the event was shallow crustal. Geolocation places the event at -56.169°N, -143.076°E. The solution has been reviewed by a USGS seismologist and is considered finalized. 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. At a depth of 40.9 km, the event was shallow crustal. The epicenter is at 50.474°, 157.713°. The solution has been reviewed by a USGS seismologist and is considered finalized. 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. At a depth of 48.4 km, the event was shallow crustal. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Geolocation places the event at 18.985°N, -65.013°E. The solution has been reviewed by a USGS seismologist and is considered finalized. 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 hypocenter lay at 35.0 km, placing this in the shallow crustal category. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Coordinates: 52.138°, 159.710°. The solution has been reviewed by a USGS seismologist and is considered finalized. 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. This was a shallow crustal earthquake, focused at 35.0 km depth. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Coordinates: 52.191°, 159.679°. The solution has been reviewed by a USGS seismologist and is considered finalized. 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 originated approximately 10.0 km below the surface, classifying it as shallow crustal. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. The epicenter is at 29.180°, 87.016°. The solution has been reviewed by a USGS seismologist and is considered finalized. 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. This was a shallow crustal earthquake, focused at 35.0 km depth. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. The epicenter is at 52.178°, 160.219°. The solution has been reviewed by a USGS seismologist and is considered finalized. 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. At a depth of 16.8 km, the event was shallow crustal. The epicenter is at 63.336°, -145.465°. The automatic solution is preliminary and may be refined as additional station data arrives. 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. At a depth of 10.0 km, the event was shallow crustal. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Geolocation places the event at -5.523°N, 132.102°E. The solution has been reviewed by a USGS seismologist and is considered finalized. 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 originated approximately 10.0 km below the surface, classifying it as shallow crustal. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Geolocation places the event at 51.521°N, 160.458°E. The solution has been reviewed by a USGS seismologist and is considered finalized. 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. At a depth of just -0.5 km, this was a very shallow event, close enough to the surface that modest magnitudes can produce significant local shaking. Geolocation places the event at 49.387°N, -120.539°E. The solution has been reviewed by a USGS seismologist and is considered finalized. 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. This was a shallow crustal earthquake, focused at 9.7 km depth. Coordinates: 63.337°, -145.387°. The automatic solution is preliminary and may be refined as additional station data arrives. 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. On the Modified Mercalli scale, shaking reached 3.7 — considered light. This was a shallow crustal earthquake, focused at 8.6 km depth. Geolocation places the event at 63.389°N, -145.434°E. The solution has been reviewed by a USGS seismologist and is considered finalized. 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. It ranks as the fourth largest event in the current dataset. This was a shallow crustal earthquake, focused at 22.3 km depth. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. The epicenter is at 52.063°, 159.858°. The solution has been reviewed by a USGS seismologist and is considered finalized. 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. This was a shallow crustal earthquake, focused at 10.0 km depth. Coordinates: 42.493°, -28.898°. The solution has been reviewed by a USGS seismologist and is considered finalized. 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. At a depth of just 3.1 km, this was a very shallow event, close enough to the surface that modest magnitudes can produce significant local shaking. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Coordinates: 59.452°, -138.619°. The automatic solution is preliminary and may be refined as additional station data arrives. 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. At a depth of 57.2 km, the event was shallow crustal. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. The epicenter is at 54.852°, -156.137°. The automatic solution is preliminary and may be refined as additional station data arrives. 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. The event originated approximately 10.0 km below the surface, classifying it as shallow crustal. Coordinates: 63.675°, -23.238°. The solution has been reviewed by a USGS seismologist and is considered finalized. 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. At 516.8 km, this deep-focus earthquake originated far below the brittle crust, deep inside the mantle. Coordinates: -20.555°, -178.085°. The solution has been reviewed by a USGS seismologist and is considered finalized. 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 originated approximately 130.2 km below the surface, classifying it as intermediate depth. The offshore location combined with this depth is characteristic of seismicity along descending slabs. The epicenter is at 63.152°, -150.951°. The solution has been reviewed by a USGS seismologist and is considered finalized. 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. The hypocenter lay at 10.0 km, placing this in the shallow crustal category. Geolocation places the event at -6.276°N, 152.749°E. The solution has been reviewed by a USGS seismologist and is considered finalized. 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. The event originated approximately 199.5 km below the surface, classifying it as intermediate depth. Geolocation places the event at 36.562°N, 71.077°E. The solution has been reviewed by a USGS seismologist and is considered finalized. 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. This was a shallow crustal earthquake, focused at 54.2 km depth. The epicenter is at -10.328°, 120.432°. The solution has been reviewed by a USGS seismologist and is considered finalized. 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. It ranks as the fifth largest event in the current dataset. The hypocenter lay at 10.0 km, placing this in the shallow crustal category. Geolocation places the event at -56.022°N, -143.482°E. The solution has been reviewed by a USGS seismologist and is considered finalized. 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. At a depth of 34.4 km, the event was shallow crustal. Coordinates: 51.269°, 159.268°. The solution has been reviewed by a USGS seismologist and is considered finalized. 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.

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