Earthquakes on September 15, 2025: 202 Worldwide, Largest M6.0

Time ↓	Mag ↕	Location ↕	Depth ↕	Felt ↕	MMI	Alert	Status	Details
2025-09-15 2025-09-15 23:21:44 UTC	4.5mb	48 km SSW of Ollagüe, Chile -21.635°, -68.408°	121.7 km	-	-	-	✓ Reviewed	USGS →
On September 15, 2025, worldwide seismic activity registered a magnitude 4.5 earthquake 48 km SSW of Ollagüe, Chile at 23:21 UTC. At a depth of 121.7 km, the event was intermediate depth. Geolocation places the event at -21.635°N, -68.408°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.
2025-09-15 2025-09-15 22:00:08 UTC	3.3mw	8 km E of Clayton, CA 37.941°, -121.850°	7.5 km	642	III	-	✓ Reviewed	USGS →
The USGS recorded this magnitude 3.3 earthquake 8 km E of Clayton, CA at 22:00 UTC on September 15, 2025. Of every earthquake currently listed for worldwide seismic activity, this one generated the most felt reports from the public. The USGS received 642 felt reports from nearby residents — a notable response for an event of this magnitude. Maximum shaking intensity peaked at MMI 3.5 (light). At a depth of 7.5 km, the event was shallow crustal. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. The epicenter is at 37.941°, -121.850°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M3.3 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-09-15 2025-09-15 21:37:19 UTC	3.3ml	107 km SE of Akhiok, Alaska 56.172°, -153.122°	17.5 km	-	-	-	✓ Reviewed	USGS →
At 21:37 UTC on September 15, 2025, a magnitude 3.3 tremor occurred 107 km SE of Akhiok, Alaska. The hypocenter lay at 17.5 km, placing this in the shallow crustal category. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Coordinates: 56.172°, -153.122°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M3.3 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-09-15 2025-09-15 21:32:56 UTC	4.2mb	Drake Passage -60.926°, -62.143°	10.0 km	-	-	-	✓ Reviewed	USGS →
A magnitude 4.2 earthquake was recorded near Drake Passage on September 15, 2025 at 21:32 UTC. This was a shallow crustal earthquake, focused at 10.0 km depth. Geolocation places the event at -60.926°N, -62.143°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.
2025-09-15 2025-09-15 21:10:55 UTC	4.0mb	29 km SSW of Mohr, Iran 27.299°, 52.806°	10.0 km	-	-	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 4.0 earthquake 29 km SSW of Mohr, Iran with origin time 21:10 UTC on September 15, 2025. The event originated approximately 10.0 km below the surface, classifying it as shallow crustal. The epicenter is at 27.299°, 52.806°. 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.
2025-09-15 2025-09-15 21:03:22 UTC	4.2mb	40 km WSW of Mohr, Iran 27.420°, 52.505°	10.0 km	-	-	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 4.2 earthquake 40 km WSW of Mohr, Iran with origin time 21:03 UTC on September 15, 2025. The hypocenter lay at 10.0 km, placing this in the shallow crustal category. Coordinates: 27.420°, 52.505°. 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.
2025-09-15 2025-09-15 21:00:18 UTC	4.3mb	Kepulauan Babar, Indonesia -7.371°, 129.596°	63.0 km	-	-	-	✓ Reviewed	USGS →
Reports of a magnitude 4.3 earthquake near Kepulauan Babar, Indonesia came in on September 15, 2025 at 21:00 UTC. This was a shallow crustal earthquake, focused at 63.0 km depth. The epicenter is at -7.371°, 129.596°. 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.
2025-09-15 2025-09-15 20:56:13 UTC	4.8mb	64 km ENE of La Tirana, Chile -20.073°, -69.110°	108.9 km	13	-	-	✓ Reviewed	USGS →
Reports of a magnitude 4.8 earthquake 64 km ENE of La Tirana, Chile came in on September 15, 2025 at 20:56 UTC. Nearby residents submitted 13 felt reports to the USGS DYFI platform. This was a intermediate depth earthquake, focused at 108.9 km depth. Geolocation places the event at -20.073°N, -69.110°E. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-09-15 2025-09-15 20:42:54 UTC	4.3mb	158 km SSE of Vilyuchinsk, Russia 51.586°, 159.158°	56.2 km	-	-	-	✓ Reviewed	USGS →
A magnitude 4.3 seismic event took place 158 km SSE of Vilyuchinsk, Russia on September 15, 2025 at 20:42 UTC. The hypocenter lay at 56.2 km, placing this in the shallow crustal category. Geolocation places the event at 51.586°N, 159.158°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.
2025-09-15 2025-09-15 20:29:21 UTC	4.7mb	299 km E of Levuka, Fiji -17.955°, -177.861°	629.0 km	-	-	-	✓ Reviewed	USGS →
A magnitude 4.7 seismic event took place 299 km E of Levuka, Fiji on September 15, 2025 at 20:29 UTC. At 629.0 km, this is the deepest earthquake in the current dataset — firmly in the deep-focus category. The offshore location combined with this depth is characteristic of seismicity along descending slabs. Coordinates: -17.955°, -177.861°. 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.
2025-09-15 2025-09-15 20:18:09 UTC	4.1mb	115 km E of Petropavlovsk-Kamchatsky, Russia 52.905°, 160.331°	39.8 km	-	-	-	✓ Reviewed	USGS →
A magnitude 4.1 seismic event took place 115 km E of Petropavlovsk-Kamchatsky, Russia on September 15, 2025 at 20:18 UTC. The event originated approximately 39.8 km below the surface, classifying it as shallow crustal. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Coordinates: 52.905°, 160.331°. 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.
2025-09-15 2025-09-15 20:07:17 UTC	4.5mb	18 km NNW of Locumba, Peru -17.465°, -70.841°	97.1 km	-	-	-	✓ Reviewed	USGS →
At 20:07 UTC on September 15, 2025, a magnitude 4.5 tremor occurred 18 km NNW of Locumba, Peru. The event originated approximately 97.1 km below the surface, classifying it as intermediate depth. Coordinates: -17.465°, -70.841°. 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.
2025-09-15 2025-09-15 19:49:55 UTC	2.9ml	4 km SW of Kahaluu-Keauhou, Hawaii 19.547°, -155.995°	4.1 km	11	-	-	✓ Reviewed	USGS →
This magnitude 2.9 event was detected 4 km SW of Kahaluu-Keauhou, Hawaii on September 15, 2025, with origin time 19:49 UTC. Nearby residents submitted 11 felt reports to the USGS DYFI platform. At a depth of just 4.1 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. Geolocation places the event at 19.547°N, -155.995°E. 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.
2025-09-15 2025-09-15 19:35:36 UTC	2.3ml	7 km WSW of Holtville, CA 32.790°, -115.450°	15.6 km	-	-	-	✓ Reviewed	USGS →
A magnitude 2.3 earthquake was recorded 7 km WSW of Holtville, CA on September 15, 2025 at 19:35 UTC. This was a shallow crustal earthquake, focused at 15.6 km depth. The epicenter is at 32.790°, -115.450°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-09-15 2025-09-15 19:00:07 UTC	4.3mb	4 km WSW of Yoshida-kasugachō, Japan 37.670°, 138.839°	185.8 km	-	-	-	✓ Reviewed	USGS →
September 15, 2025 brought a magnitude 4.3 earthquake 4 km WSW of Yoshida-kasugachō, Japan, logged at 19:00 UTC. At a depth of 185.8 km, the event was intermediate depth. Coordinates: 37.670°, 138.839°. 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.
2025-09-15 2025-09-15 18:16:27 UTC	2.1ml	23 km NW of Petersville, Alaska 62.662°, -151.037°	92.2 km	-	-	-	Auto	USGS →
On September 15, 2025 at 18:16 UTC, a magnitude 2.1 earthquake struck 23 km NW of Petersville, Alaska. The hypocenter lay at 92.2 km, placing this in the intermediate depth category. The offshore location combined with this depth is characteristic of seismicity along descending slabs. The epicenter is at 62.662°, -151.037°. The automatic solution is preliminary and may be refined as additional station data arrives. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-09-15 2025-09-15 18:03:06 UTC	4.2mb	44 km NNW of Gewanē, Ethiopia 10.542°, 40.491°	10.0 km	1	-	-	✓ Reviewed	USGS →
On September 15, 2025, worldwide seismic activity registered a magnitude 4.2 earthquake 44 km NNW of Gewanē, Ethiopia at 18:03 UTC. A small number of nearby observers (1) submitted felt reports to the USGS. At a depth of 10.0 km, the event was shallow crustal. The epicenter is at 10.542°, 40.491°. 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.
2025-09-15 2025-09-15 18:01:02 UTC	4.5mb	132 km NW of Davila, Philippines 19.322°, 119.696°	10.0 km	-	-	-	✓ Reviewed	USGS →
The USGS recorded this magnitude 4.5 earthquake 132 km NW of Davila, Philippines at 18:01 UTC on September 15, 2025. This was a shallow crustal earthquake, focused at 10.0 km depth. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. The epicenter is at 19.322°, 119.696°. 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.
2025-09-15 2025-09-15 17:15:42 UTC	5.0mb	246 km ESE of Severo-Kuril’sk, Russia 49.487°, 159.036°	10.0 km	-	-	-	✓ Reviewed	USGS →
At 17:15 UTC on September 15, 2025, a magnitude 5.0 tremor occurred 246 km ESE of Severo-Kuril’sk, Russia. 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 49.487°N, 159.036°E. 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.
2025-09-15 2025-09-15 17:04:15 UTC	4.1mb	188 km SE of Petropavlovsk-Kamchatsky, Russia 51.914°, 160.663°	10.0 km	-	-	-	✓ Reviewed	USGS →
September 15, 2025 brought a magnitude 4.1 earthquake 188 km SE of Petropavlovsk-Kamchatsky, Russia, logged at 17:04 UTC. This was a shallow crustal earthquake, focused at 10.0 km depth. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. The epicenter is at 51.914°, 160.663°. 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.
2025-09-15 2025-09-15 16:34:35 UTC	6.0mww	144 km ESE of Petropavlovsk-Kamchatsky, Russia 52.697°, 160.679°	15.0 km	-	IV	green	✓ Reviewed	USGS →
On September 15, 2025 at 16:34 UTC, a magnitude 6.0 earthquake struck 144 km ESE of Petropavlovsk-Kamchatsky, Russia. 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 September 15, 2025. Maximum shaking intensity peaked at MMI 4.2 (moderate). The hypocenter lay at 15.0 km, placing this in the shallow crustal category. The epicenter is at 52.697°, 160.679°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M6.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-09-15 2025-09-15 16:18:28 UTC	2.2ml	87 km WSW of Preston, Nevada 38.587°, -115.973°	1.2 km	-	-	-	✓ Reviewed	USGS →
This magnitude 2.2 event was detected 87 km WSW of Preston, Nevada on September 15, 2025, with origin time 16:18 UTC. At a depth of just 1.2 km, this was a very shallow event, close enough to the surface that modest magnitudes can produce significant local shaking. Coordinates: 38.587°, -115.973°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-09-15 2025-09-15 16:09:52 UTC	4.4mb	128 km ENE of Petropavlovsk-Kamchatsky, Russia 53.402°, 160.474°	55.5 km	-	-	-	✓ Reviewed	USGS →
September 15, 2025 brought a magnitude 4.4 earthquake 128 km ENE of Petropavlovsk-Kamchatsky, Russia, logged at 16:09 UTC. This was a shallow crustal earthquake, focused at 55.5 km depth. Geolocation places the event at 53.402°N, 160.474°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.
2025-09-15 2025-09-15 16:06:52 UTC	4.4mb	142 km E of Petropavlovsk-Kamchatsky, Russia 52.851°, 160.726°	31.3 km	-	-	-	✓ Reviewed	USGS →
On September 15, 2025 at 16:06 UTC, a magnitude 4.4 earthquake struck 142 km E of Petropavlovsk-Kamchatsky, Russia. The hypocenter lay at 31.3 km, placing this in the shallow crustal category. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Coordinates: 52.851°, 160.726°. 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.
2025-09-15 2025-09-15 15:32:39 UTC	4.4mb	Mariana Islands region 20.291°, 146.141°	35.0 km	-	-	-	✓ Reviewed	USGS →
A magnitude 4.4 earthquake was recorded in the Mariana Islands region on September 15, 2025 at 15:32 UTC. At a depth of 35.0 km, the event was shallow crustal. The epicenter is at 20.291°, 146.141°. 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.
2025-09-15 2025-09-15 15:08:54 UTC	2.2md	8 km SE of La Parguera, Puerto Rico 17.927°, -66.984°	12.8 km	-	-	-	✓ Reviewed	USGS →
At 15:08 UTC on September 15, 2025, a magnitude 2.2 tremor occurred 8 km SE of La Parguera, Puerto Rico. The event originated approximately 12.8 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 17.927°, -66.984°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-09-15 2025-09-15 14:21:59 UTC	4.7mb	292 km WNW of Longyearbyen, Svalbard and Jan Mayen 79.609°, 4.028°	10.0 km	-	-	-	✓ Reviewed	USGS →
September 15, 2025 brought a magnitude 4.7 earthquake 292 km WNW of Longyearbyen, Svalbard and Jan Mayen, logged at 14:21 UTC. At a depth of 10.0 km, the event was shallow crustal. The epicenter is at 79.609°, 4.028°. 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.
2025-09-15 2025-09-15 13:38:11 UTC	2.2ml	8 km NNW of Thousand Palms, CA 33.889°, -116.412°	3.6 km	-	-	-	✓ Reviewed	USGS →
The USGS recorded this magnitude 2.2 earthquake 8 km NNW of Thousand Palms, CA at 13:38 UTC on September 15, 2025. At a depth of just 3.6 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 33.889°N, -116.412°E. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-09-15 2025-09-15 13:10:29 UTC	2.1md	25 km SSW of South Dos Palos, CA 36.770°, -120.800°	5.9 km	-	-	-	✓ Reviewed	USGS →
A magnitude 2.1 earthquake was recorded 25 km SSW of South Dos Palos, CA on September 15, 2025 at 13:10 UTC. At a depth of 5.9 km, the event was shallow crustal. Geolocation places the event at 36.770°N, -120.800°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.
2025-09-15 2025-09-15 12:36:31 UTC	4.5mb	6 km NW of Santa Rosa, Mexico 16.362°, -95.139°	53.5 km	1	-	-	✓ Reviewed	USGS →
This magnitude 4.5 event was detected 6 km NW of Santa Rosa, Mexico on September 15, 2025, with origin time 12:36 UTC. A small number of nearby observers (1) submitted felt reports to the USGS. The hypocenter lay at 53.5 km, placing this in the shallow crustal category. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Geolocation places the event at 16.362°N, -95.139°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.

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 15, 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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