Earthquakes on October 1, 2025: 243 Worldwide, Largest M5.6

Time ↓	Mag ↕	Location ↕	Depth ↕	Felt ↕	MMI	Alert	Status	Details
2025-10-01 2025-10-01 23:13:26 UTC	2.4ml	44 km SSE of Cantwell, Alaska 63.004°, -148.760°	57.3 km	-	-	-	Auto	USGS →
A magnitude 2.4 earthquake was recorded 44 km SSE of Cantwell, Alaska on October 1, 2025 at 23:13 UTC. At a depth of 57.3 km, the event was shallow crustal. Geolocation places the event at 63.004°N, -148.760°E. The automatic solution is preliminary and may be refined as additional station data arrives. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-10-01 2025-10-01 23:02:50 UTC	4.2mb	Bonin Islands, Japan region 28.400°, 139.530°	429.7 km	-	-	-	✓ Reviewed	USGS →
On October 1, 2025, worldwide seismic activity registered a magnitude 4.2 earthquake in the Bonin Islands, Japan region at 23:02 UTC. At 429.7 km, this is the deepest earthquake in the current dataset — firmly in the deep-focus category. The epicenter is at 28.400°, 139.530°. 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.
2025-10-01 2025-10-01 23:01:57 UTC	4.3mb	240 km ESE of Onagawa Chō, Japan 37.891°, 144.102°	10.0 km	-	-	-	✓ Reviewed	USGS →
At 23:01 UTC on October 1, 2025, a magnitude 4.3 tremor occurred 240 km ESE of Onagawa Chō, Japan. The hypocenter lay at 10.0 km, placing this in the shallow crustal category. The epicenter is at 37.891°, 144.102°. 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.
2025-10-01 2025-10-01 22:40:28 UTC	3.9mb	79 km NE of Adak, Alaska 52.376°, -175.802°	222.4 km	-	-	-	✓ Reviewed	USGS →
Reports of a magnitude 3.9 earthquake 79 km NE of Adak, Alaska came in on October 1, 2025 at 22:40 UTC. This was a intermediate depth earthquake, focused at 222.4 km depth. The offshore location combined with this depth is characteristic of seismicity along descending slabs. Coordinates: 52.376°, -175.802°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M3.9 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-10-01 2025-10-01 22:26:49 UTC	2.0md	4 km W of Cobb, CA 38.822°, -122.767°	1.9 km	-	-	-	Auto	USGS →
Reports of a magnitude 2.0 earthquake 4 km W of Cobb, CA came in on October 1, 2025 at 22:26 UTC. Coming 17 hours after a magnitude 2.5 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. At a depth of just 1.9 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: 38.822°, -122.767°. 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.
2025-10-01 2025-10-01 22:16:49 UTC	4.3mb	163 km ESE of Petropavlovsk-Kamchatsky, Russia 52.280°, 160.666°	25.4 km	-	-	-	✓ Reviewed	USGS →
The USGS recorded this magnitude 4.3 earthquake 163 km ESE of Petropavlovsk-Kamchatsky, Russia at 22:16 UTC on October 1, 2025. At a depth of 25.4 km, the event was shallow crustal. Geolocation places the event at 52.280°N, 160.666°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.
2025-10-01 2025-10-01 22:03:47 UTC	4.0mb	172 km E of Petropavlovsk-Kamchatsky, Russia 53.163°, 161.200°	28.2 km	-	-	-	✓ Reviewed	USGS →
The USGS recorded this magnitude 4.0 earthquake 172 km E of Petropavlovsk-Kamchatsky, Russia at 22:03 UTC on October 1, 2025. At a depth of 28.2 km, the event was shallow crustal. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. The epicenter is at 53.163°, 161.200°. 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.
2025-10-01 2025-10-01 21:35:47 UTC	2.1ml	24 km NW of Stanley, Idaho 44.362°, -115.173°	5.8 km	-	-	-	✓ Reviewed	USGS →
On October 1, 2025 at 21:35 UTC, a magnitude 2.1 earthquake struck 24 km NW of Stanley, Idaho. The event originated approximately 5.8 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 44.362°N, -115.173°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.
2025-10-01 2025-10-01 21:31:09 UTC	4.2mb	182 km ESE of Petropavlovsk-Kamchatsky, Russia 52.652°, 161.247°	10.0 km	-	-	-	✓ Reviewed	USGS →
At 21:31 UTC on October 1, 2025, a magnitude 4.2 tremor occurred 182 km ESE of Petropavlovsk-Kamchatsky, Russia. The event originated approximately 10.0 km below the surface, classifying it as shallow crustal. Geolocation places the event at 52.652°N, 161.247°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.
2025-10-01 2025-10-01 21:17:02 UTC	3.6mb	106 km SSE of Sand Point, Alaska 54.508°, -159.666°	33.7 km	-	II	-	✓ Reviewed	USGS →
October 1, 2025 brought a magnitude 3.6 earthquake 106 km SSE of Sand Point, Alaska, logged at 21:17 UTC. This event falls inside the aftershock decay of a nearby magnitude 4.1 earthquake that occurred about 14 hours earlier. On the Modified Mercalli scale, shaking reached 2.2 — considered weak. At a depth of 33.7 km, the event was shallow crustal. Geolocation places the event at 54.508°N, -159.666°E. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M3.6 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-10-01 2025-10-01 21:06:37 UTC	4.2mb	196 km SSE of Vilyuchinsk, Russia 51.304°, 159.514°	10.0 km	-	-	-	✓ Reviewed	USGS →
The USGS recorded this magnitude 4.2 earthquake 196 km SSE of Vilyuchinsk, Russia at 21:06 UTC on October 1, 2025. This was a shallow crustal earthquake, focused at 10.0 km depth. Coordinates: 51.304°, 159.514°. 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.
2025-10-01 2025-10-01 20:55:59 UTC	2.1ml	9 km WNW of Willow, Alaska 61.779°, -150.206°	33.2 km	-	-	-	Auto	USGS →
A magnitude 2.1 earthquake was recorded 9 km WNW of Willow, Alaska on October 1, 2025 at 20:55 UTC. This was a shallow crustal earthquake, focused at 33.2 km depth. Coordinates: 61.779°, -150.206°. 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.
2025-10-01 2025-10-01 20:41:41 UTC	4.3mb	9 km SE of Logon, Philippines 11.276°, 124.179°	10.0 km	-	-	-	✓ Reviewed	USGS →
This magnitude 4.3 event was detected 9 km SE of Logon, Philippines on October 1, 2025, with origin time 20:41 UTC. Coming 4 hours after a magnitude 4.7 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. 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: 11.276°, 124.179°. 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.
2025-10-01 2025-10-01 20:37:03 UTC	2.2ml	2 km SSW of Banks, Oregon 45.596°, -123.130°	-0.3 km	-	-	-	✓ Reviewed	USGS →
October 1, 2025 brought a magnitude 2.2 earthquake 2 km SSW of Banks, Oregon, logged at 20:37 UTC. At a depth of just -0.3 km, this was a very shallow event, close enough to the surface that modest magnitudes can produce significant local shaking. The epicenter is at 45.596°, -123.130°. 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.
2025-10-01 2025-10-01 20:22:28 UTC	3.5ml	7 km ESE of Fox River, Alaska 59.823°, -150.845°	35.0 km	3	II	-	✓ Reviewed	USGS →
On October 1, 2025 at 20:22 UTC, a magnitude 3.5 earthquake struck 7 km ESE of Fox River, Alaska. Peak ground motion corresponded to MMI 2.5, classified as weak shaking. A small number of nearby observers (3) submitted felt reports to the USGS. The event originated approximately 35.0 km below the surface, classifying it as shallow crustal. Coordinates: 59.823°, -150.845°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M3.5 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-10-01 2025-10-01 20:06:04 UTC	2.0ml	55 km S of Whites City, New Mexico 31.673°, -104.361°	6.1 km	-	-	-	✓ Reviewed	USGS →
A magnitude 2.0 seismic event took place 55 km S of Whites City, New Mexico on October 1, 2025 at 20:06 UTC. The event originated approximately 6.1 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 31.673°, -104.361°. 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.
2025-10-01 2025-10-01 19:26:13 UTC	4.5mb	271 km SE of Katsuura, Japan 33.403°, 142.380°	10.0 km	-	-	-	✓ Reviewed	USGS →
At 19:26 UTC on October 1, 2025, a magnitude 4.5 tremor occurred 271 km SE of Katsuura, Japan. 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: 33.403°, 142.380°. 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.
2025-10-01 2025-10-01 19:25:35 UTC	2.1ml	12 km SW of Lake City, California 41.565°, -120.318°	0.0 km	-	-	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 2.1 earthquake 12 km SW of Lake City, California with origin time 19:25 UTC on October 1, 2025. At a depth of just 0.0 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. The epicenter is at 41.565°, -120.318°. 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.
2025-10-01 2025-10-01 18:51:04 UTC	4.1mb	195 km ENE of Nabire, Indonesia -2.939°, 137.205°	60.2 km	-	-	-	✓ Reviewed	USGS →
A magnitude 4.1 earthquake was recorded 195 km ENE of Nabire, Indonesia on October 1, 2025 at 18:51 UTC. At a depth of 60.2 km, the event was shallow crustal. Coordinates: -2.939°, 137.205°. 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.
2025-10-01 2025-10-01 18:28:51 UTC	4.2mb	16 km N of Lluta, Peru -15.866°, -72.002°	10.0 km	-	-	-	✓ Reviewed	USGS →
This magnitude 4.2 event was detected 16 km N of Lluta, Peru on October 1, 2025, with origin time 18:28 UTC. The hypocenter lay at 10.0 km, placing this in the shallow crustal category. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. The epicenter is at -15.866°, -72.002°. 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.
2025-10-01 2025-10-01 18:18:54 UTC	4.3mb	14 km SSE of Nagarote, Nicaragua 12.152°, -86.494°	162.1 km	-	-	-	✓ Reviewed	USGS →
Reports of a magnitude 4.3 earthquake 14 km SSE of Nagarote, Nicaragua came in on October 1, 2025 at 18:18 UTC. This was a intermediate depth earthquake, focused at 162.1 km depth. The epicenter is at 12.152°, -86.494°. 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.
2025-10-01 2025-10-01 18:10:37 UTC	2.0ml	38 km NW of Skwentna, Alaska 62.187°, -152.005°	101.1 km	-	-	-	Auto	USGS →
October 1, 2025 brought a magnitude 2.0 earthquake 38 km NW of Skwentna, Alaska, logged at 18:10 UTC. This was a intermediate depth earthquake, focused at 101.1 km depth. The offshore location combined with this depth is characteristic of seismicity along descending slabs. Geolocation places the event at 62.187°N, -152.005°E. 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.
2025-10-01 2025-10-01 17:51:50 UTC	4.3mb	19 km E of Qarqīn, Afghanistan 37.407°, 66.269°	10.0 km	-	-	-	✓ Reviewed	USGS →
A magnitude 4.3 seismic event took place 19 km E of Qarqīn, Afghanistan on October 1, 2025 at 17:51 UTC. The hypocenter lay at 10.0 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 37.407°N, 66.269°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.
2025-10-01 2025-10-01 17:40:53 UTC	4.5mb	216 km ESE of Onagawa Chō, Japan 38.004°, 143.855°	10.0 km	-	-	-	✓ Reviewed	USGS →
The USGS recorded this magnitude 4.5 earthquake 216 km ESE of Onagawa Chō, Japan at 17:40 UTC on October 1, 2025. This was a shallow crustal earthquake, focused at 10.0 km depth. The epicenter is at 38.004°, 143.855°. 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.
2025-10-01 2025-10-01 17:11:18 UTC	4.4mb	Reykjanes Ridge 58.971°, -31.603°	10.0 km	-	-	-	✓ Reviewed	USGS →
A magnitude 4.4 seismic event took place near Reykjanes Ridge on October 1, 2025 at 17:11 UTC. It arrived roughly 1 hours after a larger magnitude 4.8 mainshock in the same 20 km area, placing it within the typical aftershock window. The event originated approximately 10.0 km below the surface, classifying it as shallow crustal. The epicenter is at 58.971°, -31.603°. 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.
2025-10-01 2025-10-01 17:06:08 UTC	4.9mb	Reykjanes Ridge 58.801°, -31.453°	10.0 km	-	-	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 4.9 earthquake near Reykjanes Ridge with origin time 17:06 UTC on October 1, 2025. It ranks as the third largest event in the current dataset. The event originated approximately 10.0 km below the surface, classifying it as shallow crustal. Coordinates: 58.801°, -31.453°. 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.
2025-10-01 2025-10-01 16:54:57 UTC	2.4md	2 km WNW of Arecibo, Puerto Rico 18.481°, -66.734°	15.1 km	-	-	-	✓ Reviewed	USGS →
The USGS recorded this magnitude 2.4 earthquake 2 km WNW of Arecibo, Puerto Rico at 16:54 UTC on October 1, 2025. At a depth of 15.1 km, the event was shallow crustal. Coordinates: 18.481°, -66.734°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-10-01 2025-10-01 16:45:46 UTC	4.8mww	Reykjanes Ridge 58.891°, -31.549°	10.0 km	-	-	-	✓ Reviewed	USGS →
At 16:45 UTC on October 1, 2025, a magnitude 4.8 tremor occurred near Reykjanes 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 58.891°N, -31.549°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.
2025-10-01 2025-10-01 16:34:02 UTC	4.7mb	3 km ENE of Bagay, Philippines 11.203°, 124.068°	10.0 km	1	-	-	✓ Reviewed	USGS →
Reports of a magnitude 4.7 earthquake 3 km ENE of Bagay, Philippines came in on October 1, 2025 at 16:34 UTC. A small number of nearby observers (1) submitted felt reports to the USGS. This was a shallow crustal earthquake, focused at 10.0 km depth. Geolocation places the event at 11.203°N, 124.068°E. 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.
2025-10-01 2025-10-01 16:08:04 UTC	4.3mb	78 km WNW of Coquimbo, Chile -29.615°, -72.058°	21.9 km	-	-	-	✓ Reviewed	USGS →
October 1, 2025 brought a magnitude 4.3 earthquake 78 km WNW of Coquimbo, Chile, logged at 16:08 UTC. At a depth of 21.9 km, the event was shallow crustal. Coordinates: -29.615°, -72.058°. 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.

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 October 1, 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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