Earthquakes on October 15, 2025: 209 Worldwide, Largest M5.6

Time ↓	Mag ↕	Location ↕	Depth ↕	Felt ↕	MMI	Alert	Status	Details
2025-10-15 2025-10-15 23:46:33 UTC	4.4mb	54 km ESE of San Ignacio, Philippines 6.903°, 126.933°	71.6 km	-	-	-	✓ Reviewed	USGS →
A magnitude 4.4 seismic event took place 54 km ESE of San Ignacio, Philippines on October 15, 2025 at 23:46 UTC. The event originated approximately 71.6 km below the surface, classifying it as intermediate depth. The epicenter is at 6.903°, 126.933°. 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.
2025-10-15 2025-10-15 23:36:13 UTC	4.2mb	27 km ESE of Baculin, Philippines 7.387°, 126.823°	75.1 km	-	-	-	✓ Reviewed	USGS →
At 23:36 UTC on October 15, 2025, a magnitude 4.2 tremor occurred 27 km ESE of Baculin, Philippines. This event falls inside the aftershock decay of a nearby magnitude 4.4 earthquake that occurred about 13 hours earlier. The event originated approximately 75.1 km below the surface, classifying it as intermediate depth. Geolocation places the event at 7.387°N, 126.823°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.
2025-10-15 2025-10-15 23:32:47 UTC	4.8mb	33 km SSW of Sarangani, Philippines 5.117°, 125.359°	46.6 km	1	-	-	✓ Reviewed	USGS →
This magnitude 4.8 event was detected 33 km SSW of Sarangani, Philippines on October 15, 2025, with origin time 23:32 UTC. A small number of nearby observers (1) submitted felt reports to the USGS. The event originated approximately 46.6 km below the surface, classifying it as shallow crustal. The epicenter is at 5.117°, 125.359°. 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.
2025-10-15 2025-10-15 23:16:42 UTC	4.2mb	Fiji region -19.256°, -177.630°	570.3 km	-	-	-	✓ Reviewed	USGS →
The USGS recorded this magnitude 4.2 earthquake in the Fiji region at 23:16 UTC on October 15, 2025. At 570.3 km, this is the deepest earthquake in the current dataset — firmly in the deep-focus category. Coordinates: -19.256°, -177.630°. 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.
2025-10-15 2025-10-15 22:52:05 UTC	2.8ml	23 km E of Miches, Dominican Republic 18.969°, -68.829°	118.5 km	-	-	-	✓ Reviewed	USGS →
On October 15, 2025, worldwide seismic activity registered a magnitude 2.8 earthquake 23 km E of Miches, Dominican Republic at 22:52 UTC. At a depth of 118.5 km, the event was intermediate depth. The offshore location combined with this depth is characteristic of seismicity along descending slabs. Coordinates: 18.969°, -68.829°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-10-15 2025-10-15 22:12:09 UTC	4.3mb	76 km WSW of Vallenar, Chile -28.925°, -71.430°	37.1 km	1	-	-	✓ Reviewed	USGS →
On October 15, 2025 at 22:12 UTC, a magnitude 4.3 earthquake struck 76 km WSW of Vallenar, Chile. A small number of nearby observers (1) submitted felt reports to the USGS. The event originated approximately 37.1 km below the surface, classifying it as shallow crustal. The epicenter is at -28.925°, -71.430°. 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.
2025-10-15 2025-10-15 21:59:55 UTC	2.6ml	77 km NNE of Ambler, Alaska 67.730°, -157.183°	5.0 km	-	-	-	✓ Reviewed	USGS →
The USGS recorded this magnitude 2.6 earthquake 77 km NNE of Ambler, Alaska at 21:59 UTC on October 15, 2025. This was a shallow crustal earthquake, focused at 5.0 km depth. Geolocation places the event at 67.730°N, -157.183°E. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-10-15 2025-10-15 21:53:16 UTC	4.1mb	37 km SW of Güiria, Venezuela 10.313°, -62.518°	69.5 km	-	-	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 4.1 earthquake 37 km SW of Güiria, Venezuela with origin time 21:53 UTC on October 15, 2025. The event originated approximately 69.5 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 10.313°, -62.518°. 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.
2025-10-15 2025-10-15 21:39:49 UTC	4.1mb	220 km NW of Tobelo, Indonesia 3.352°, 126.861°	35.0 km	-	-	-	✓ Reviewed	USGS →
On October 15, 2025, worldwide seismic activity registered a magnitude 4.1 earthquake 220 km NW of Tobelo, Indonesia at 21:39 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. Geolocation places the event at 3.352°N, 126.861°E. 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.
2025-10-15 2025-10-15 21:32:53 UTC	4.2mb	4 km WSW of Talagutong, Philippines 6.246°, 125.633°	156.4 km	-	-	-	✓ Reviewed	USGS →
This magnitude 4.2 event was detected 4 km WSW of Talagutong, Philippines on October 15, 2025, with origin time 21:32 UTC. The hypocenter lay at 156.4 km, placing this in the intermediate depth category. The epicenter is at 6.246°, 125.633°. 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.
2025-10-15 2025-10-15 21:14:12 UTC	4.2mb	156 km SE of Vilyuchinsk, Russia 51.828°, 159.836°	35.0 km	-	-	-	✓ Reviewed	USGS →
Reports of a magnitude 4.2 earthquake 156 km SE of Vilyuchinsk, Russia came in on October 15, 2025 at 21:14 UTC. At a depth of 35.0 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 51.828°N, 159.836°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.
2025-10-15 2025-10-15 20:34:47 UTC	2.0ml	7 km NNW of Smiths Ferry, Idaho 44.366°, -116.118°	6.6 km	-	-	-	✓ Reviewed	USGS →
On October 15, 2025 at 20:34 UTC, a magnitude 2.0 earthquake struck 7 km NNW of Smiths Ferry, Idaho. The hypocenter lay at 6.6 km, placing this in the shallow crustal category. Coordinates: 44.366°, -116.118°. 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.
2025-10-15 2025-10-15 20:12:17 UTC	4.3mb	63 km WNW of Kirakira, Solomon Islands -10.240°, 161.378°	84.2 km	-	-	-	✓ Reviewed	USGS →
A magnitude 4.3 earthquake was recorded 63 km WNW of Kirakira, Solomon Islands on October 15, 2025 at 20:12 UTC. This was a intermediate depth earthquake, focused at 84.2 km depth. Geolocation places the event at -10.240°N, 161.378°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.
2025-10-15 2025-10-15 19:46:12 UTC	2.3ml	78 km W of Karluk, Alaska 57.699°, -155.750°	18.2 km	-	-	-	Auto	USGS →
On October 15, 2025, worldwide seismic activity registered a magnitude 2.3 earthquake 78 km W of Karluk, Alaska at 19:46 UTC. This was a shallow crustal earthquake, focused at 18.2 km depth. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. The epicenter is at 57.699°, -155.750°. The automatic solution is preliminary and may be refined as additional station data arrives. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-10-15 2025-10-15 19:24:47 UTC	2.7ml	54 km E of Pedro Bay, Alaska 59.736°, -153.145°	120.9 km	-	-	-	Auto	USGS →
At 19:24 UTC on October 15, 2025, a magnitude 2.7 tremor occurred 54 km E of Pedro Bay, Alaska. The event originated approximately 120.9 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 59.736°, -153.145°. 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.
2025-10-15 2025-10-15 19:24:33 UTC	4.4mb	43 km S of Ust’-Kamchatsk Staryy, Russia 55.841°, 162.420°	64.9 km	-	-	-	✓ Reviewed	USGS →
October 15, 2025 brought a magnitude 4.4 earthquake 43 km S of Ust’-Kamchatsk Staryy, Russia, logged at 19:24 UTC. This was a shallow crustal earthquake, focused at 64.9 km depth. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Geolocation places the event at 55.841°N, 162.420°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.
2025-10-15 2025-10-15 18:54:31 UTC	4.4mb	122 km ESE of Petropavlovsk-Kamchatsky, Russia 52.689°, 160.337°	53.8 km	-	-	-	✓ Reviewed	USGS →
On October 15, 2025 at 18:54 UTC, a magnitude 4.4 earthquake struck 122 km ESE of Petropavlovsk-Kamchatsky, Russia. The hypocenter lay at 53.8 km, placing this in the shallow crustal category. Coordinates: 52.689°, 160.337°. 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.
2025-10-15 2025-10-15 18:35:25 UTC	4.6mb	Drake Passage -60.167°, -62.251°	10.0 km	-	-	-	✓ Reviewed	USGS →
October 15, 2025 brought a magnitude 4.6 earthquake near Drake Passage, logged at 18:35 UTC. At a depth of 10.0 km, the event was shallow crustal. The epicenter is at -60.167°, -62.251°. 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.
2025-10-15 2025-10-15 18:09:22 UTC	4.7mb	14 km ENE of San Lorenzo, Philippines 15.520°, 120.094°	59.8 km	4	-	-	✓ Reviewed	USGS →
A magnitude 4.7 seismic event took place 14 km ENE of San Lorenzo, Philippines on October 15, 2025 at 18:09 UTC. A small number of nearby observers (4) submitted felt reports to the USGS. The hypocenter lay at 59.8 km, placing this in the shallow crustal category. Coordinates: 15.520°, 120.094°. 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.
2025-10-15 2025-10-15 18:09:17 UTC	4.9mb	125 km SSW of Gataivai, Samoa -14.836°, -172.786°	10.0 km	-	-	-	✓ Reviewed	USGS →
At 18:09 UTC on October 15, 2025, a magnitude 4.9 tremor occurred 125 km SSW of Gataivai, Samoa. 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 -14.836°N, -172.786°E. 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.
2025-10-15 2025-10-15 17:18:42 UTC	3.0ml	70 km ESE of Nikolski, Alaska 52.761°, -167.864°	35.0 km	-	-	-	✓ Reviewed	USGS →
A magnitude 3.0 earthquake was recorded 70 km ESE of Nikolski, Alaska on October 15, 2025 at 17:18 UTC. This was a shallow crustal earthquake, focused at 35.0 km depth. The epicenter is at 52.761°, -167.864°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-10-15 2025-10-15 16:44:02 UTC	2.2ml	57 km S of Whites City, New Mexico 31.657°, -104.397°	4.9 km	-	-	-	✓ Reviewed	USGS →
A magnitude 2.2 seismic event took place 57 km S of Whites City, New Mexico on October 15, 2025 at 16:44 UTC. At a depth of just 4.9 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: 31.657°, -104.397°. 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.
2025-10-15 2025-10-15 16:35:19 UTC	2.8md	9 km WSW of Manton, CA 40.403°, -121.969°	10.2 km	3	-	-	Auto	USGS →
Seismographs logged a magnitude 2.8 earthquake 9 km WSW of Manton, CA with origin time 16:35 UTC on October 15, 2025. A small number of nearby observers (3) submitted felt reports to the USGS. The hypocenter lay at 10.2 km, placing this in the shallow crustal category. Geolocation places the event at 40.403°N, -121.969°E. The automatic solution is preliminary and may be refined as additional station data arrives. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-10-15 2025-10-15 16:21:45 UTC	2.2ml	19 km WNW of Kalaoa, Hawaii 19.780°, -156.159°	36.7 km	-	-	-	✓ Reviewed	USGS →
Reports of a magnitude 2.2 earthquake 19 km WNW of Kalaoa, Hawaii came in on October 15, 2025 at 16:21 UTC. This was a shallow crustal earthquake, focused at 36.7 km depth. Geolocation places the event at 19.780°N, -156.159°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.
2025-10-15 2025-10-15 15:59:05 UTC	2.1ml	55 km N of Chase, Alaska 62.940°, -149.982°	55.3 km	-	-	-	Auto	USGS →
At 15:59 UTC on October 15, 2025, a magnitude 2.1 tremor occurred 55 km N of Chase, Alaska. The event originated approximately 55.3 km below the surface, classifying it as shallow crustal. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Coordinates: 62.940°, -149.982°. 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.
2025-10-15 2025-10-15 15:58:17 UTC	4.5mb	south of the Kermadec Islands -33.926°, -178.359°	10.0 km	-	-	-	✓ Reviewed	USGS →
At 15:58 UTC on October 15, 2025, a magnitude 4.5 tremor occurred south of the Kermadec Islands. The event originated approximately 10.0 km below the surface, classifying it as shallow crustal. Coordinates: -33.926°, -178.359°. 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.
2025-10-15 2025-10-15 15:49:14 UTC	2.1md	11 km SW of Manton, CA 40.359°, -121.970°	20.8 km	-	-	-	Auto	USGS →
This magnitude 2.1 event was detected 11 km SW of Manton, CA on October 15, 2025, with origin time 15:49 UTC. The hypocenter lay at 20.8 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 40.359°N, -121.970°E. 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.
2025-10-15 2025-10-15 13:53:15 UTC	4.3mb	Owen Fracture Zone region 17.162°, 59.729°	10.0 km	-	-	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 4.3 earthquake in the Owen Fracture Zone region with origin time 13:53 UTC on October 15, 2025. The hypocenter lay at 10.0 km, placing this in the shallow crustal category. Coordinates: 17.162°, 59.729°. 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.
2025-10-15 2025-10-15 13:39:23 UTC	4.2mb	south of the Kermadec Islands -33.814°, -178.305°	10.0 km	-	-	-	✓ Reviewed	USGS →
A magnitude 4.2 seismic event took place south of the Kermadec Islands on October 15, 2025 at 13:39 UTC. The event originated approximately 10.0 km below the surface, classifying it as shallow crustal. Coordinates: -33.814°, -178.305°. 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.
2025-10-15 2025-10-15 13:37:41 UTC	4.5mb	39 km NE of Copiapó, Chile -27.084°, -70.084°	68.7 km	-	-	-	✓ Reviewed	USGS →
The USGS recorded this magnitude 4.5 earthquake 39 km NE of Copiapó, Chile at 13:37 UTC on October 15, 2025. This was a shallow crustal earthquake, focused at 68.7 km depth. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. The epicenter is at -27.084°, -70.084°. 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 October 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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