Earthquakes on October 20, 2025: 137 Worldwide, Largest M5.8

Time ↓	Mag ↕	Location ↕	Depth ↕	Felt ↕	MMI	Alert	Status	Details
2025-10-20 2025-10-20 23:57:40 UTC	4.3mb	137 km ESE of Ozernovskiy, Russia 51.203°, 158.418°	35.0 km	-	-	-	✓ Reviewed	USGS →
October 20, 2025 brought a magnitude 4.3 earthquake 137 km ESE of Ozernovskiy, Russia, logged at 23:57 UTC. At a depth of 35.0 km, the event was shallow crustal. Coordinates: 51.203°, 158.418°. 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.
2025-10-20 2025-10-20 23:52:59 UTC	3.9mb	south of Alaska 53.588°, -156.297°	10.0 km	-	-	-	✓ Reviewed	USGS →
This magnitude 3.9 event was detected south of Alaska on October 20, 2025, with origin time 23:52 UTC. The hypocenter lay at 10.0 km, placing this in the shallow crustal category. The epicenter is at 53.588°, -156.297°. 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.
2025-10-20 2025-10-20 22:43:15 UTC	4.9mb	83 km E of Petropavlovsk-Kamchatsky, Russia 53.106°, 159.867°	60.6 km	-	-	-	✓ Reviewed	USGS →
At 22:43 UTC on October 20, 2025, a magnitude 4.9 tremor occurred 83 km E of Petropavlovsk-Kamchatsky, Russia. It ranks as the fifth largest event in the current dataset. The hypocenter lay at 60.6 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 53.106°N, 159.867°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.
2025-10-20 2025-10-20 22:31:55 UTC	4.6mb	178 km N of Metinaro, Timor Leste -6.915°, 125.705°	509.1 km	-	-	-	✓ Reviewed	USGS →
At 22:31 UTC on October 20, 2025, a magnitude 4.6 tremor occurred 178 km N of Metinaro, Timor Leste. At 509.1 km, this deep-focus earthquake originated far below the brittle crust, deep inside the mantle. The offshore location combined with this depth is characteristic of seismicity along descending slabs. Coordinates: -6.915°, 125.705°. 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.
2025-10-20 2025-10-20 22:30:30 UTC	5.0mb	Kuril Islands 46.220°, 153.112°	10.0 km	-	-	-	✓ Reviewed	USGS →
On October 20, 2025, worldwide seismic activity registered a magnitude 5.0 earthquake near Kuril Islands at 22:30 UTC. It ranks as the fourth largest event in the current dataset. This was a shallow crustal earthquake, focused at 10.0 km depth. The epicenter is at 46.220°, 153.112°. 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.
2025-10-20 2025-10-20 22:22:14 UTC	4.6mb	south of the Fiji Islands -24.410°, -176.730°	100.5 km	-	-	-	✓ Reviewed	USGS →
The USGS recorded this magnitude 4.6 earthquake south of the Fiji Islands at 22:22 UTC on October 20, 2025. This was a intermediate depth earthquake, focused at 100.5 km depth. The epicenter is at -24.410°, -176.730°. 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.
2025-10-20 2025-10-20 22:13:33 UTC	4.1mb	173 km NE of Tokār, Sudan 19.428°, 38.993°	10.0 km	-	-	-	✓ Reviewed	USGS →
On October 20, 2025, worldwide seismic activity registered a magnitude 4.1 earthquake 173 km NE of Tokār, Sudan at 22:13 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. The epicenter is at 19.428°, 38.993°. 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.
2025-10-20 2025-10-20 21:56:24 UTC	4.2mb	36 km E of Khandūd, Afghanistan 36.974°, 72.726°	10.0 km	-	-	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 4.2 earthquake 36 km E of Khandūd, Afghanistan with origin time 21:56 UTC on October 20, 2025. 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. Coordinates: 36.974°, 72.726°. 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.
2025-10-20 2025-10-20 21:29:27 UTC	4.4mb	63 km ESE of Gigmoto, Philippines 13.592°, 124.948°	10.0 km	-	-	-	✓ Reviewed	USGS →
On October 20, 2025, worldwide seismic activity registered a magnitude 4.4 earthquake 63 km ESE of Gigmoto, Philippines at 21:29 UTC. This was a shallow crustal earthquake, focused at 10.0 km depth. Coordinates: 13.592°, 124.948°. 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.
2025-10-20 2025-10-20 21:14:21 UTC	2.1ml	12 km S of Princeton, Canada 49.342°, -120.508°	-0.4 km	-	-	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 2.1 earthquake 12 km S of Princeton, Canada with origin time 21:14 UTC on October 20, 2025. At a depth of just -0.4 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 49.342°N, -120.508°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.
2025-10-20 2025-10-20 21:06:23 UTC	2.0ml	7 km ESE of Big Spring, Texas 32.220°, -101.408°	8.5 km	-	-	-	✓ Reviewed	USGS →
The USGS recorded this magnitude 2.0 earthquake 7 km ESE of Big Spring, Texas at 21:06 UTC on October 20, 2025. This was a shallow crustal earthquake, focused at 8.5 km depth. Geolocation places the event at 32.220°N, -101.408°E. 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.
2025-10-20 2025-10-20 19:13:46 UTC	4.7mww	16 km NW of San José de Ocoa, Dominican Republic 18.637°, -70.625°	10.0 km	153	-	-	✓ Reviewed	USGS →
On October 20, 2025 at 19:13 UTC, a magnitude 4.7 earthquake struck 16 km NW of San José de Ocoa, Dominican Republic. Of every earthquake currently listed for worldwide seismic activity, this one generated the most felt reports from the public. The USGS received 153 felt reports from nearby residents — a notable response for an event of this magnitude. 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 18.637°N, -70.625°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.
2025-10-20 2025-10-20 19:04:06 UTC	5.1mww	7 km WSW of Takahama, Japan 35.458°, 135.476°	360.1 km	1	-	-	✓ Reviewed	USGS →
A magnitude 5.1 earthquake was recorded 7 km WSW of Takahama, Japan on October 20, 2025 at 19:04 UTC. At 360.1 km, this deep-focus earthquake originated far below the brittle crust, deep inside the mantle. It ranks as the second largest event in the current dataset. A small number of nearby observers (1) submitted felt reports to the USGS. Geolocation places the event at 35.458°N, 135.476°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.
2025-10-20 2025-10-20 18:53:40 UTC	4.5mb	202 km E of Petropavlovsk-Kamchatsky, Russia 53.124°, 161.653°	10.0 km	-	-	-	✓ Reviewed	USGS →
A magnitude 4.5 seismic event took place 202 km E of Petropavlovsk-Kamchatsky, Russia on October 20, 2025 at 18:53 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 53.124°, 161.653°. 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.
2025-10-20 2025-10-20 18:51:05 UTC	2.0ml	31 km NW of Four Mile Road, Alaska 64.762°, -149.667°	0.0 km	-	-	-	Auto	USGS →
This magnitude 2.0 event was detected 31 km NW of Four Mile Road, Alaska on October 20, 2025, with origin time 18:51 UTC. 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. Coordinates: 64.762°, -149.667°. 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.
2025-10-20 2025-10-20 18:50:30 UTC	4.7mb	194 km WNW of Abepura, Indonesia -2.126°, 138.950°	35.0 km	-	-	-	✓ Reviewed	USGS →
A magnitude 4.7 earthquake was recorded 194 km WNW of Abepura, Indonesia on October 20, 2025 at 18:50 UTC. Coming 3 hours after a magnitude 4.9 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. Coordinates: -2.126°, 138.950°. 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.
2025-10-20 2025-10-20 18:45:26 UTC	4.9mwr	71 km SSW of Adak, Alaska 51.296°, -177.072°	37.3 km	2	III	-	✓ Reviewed	USGS →
The USGS recorded this magnitude 4.9 earthquake 71 km SSW of Adak, Alaska at 18:45 UTC on October 20, 2025. Peak ground motion corresponded to MMI 3.3, classified as light shaking. A small number of nearby observers (2) submitted felt reports to the USGS. At a depth of 37.3 km, the event was shallow crustal. Coordinates: 51.296°, -177.072°. 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.
2025-10-20 2025-10-20 18:14:23 UTC	4.5mb	42 km ENE of Nūrābād, Iran 30.217°, 51.950°	10.0 km	-	-	-	✓ Reviewed	USGS →
October 20, 2025 brought a magnitude 4.5 earthquake 42 km ENE of Nūrābād, Iran, logged at 18:14 UTC. This was a shallow crustal earthquake, focused at 10.0 km depth. Geolocation places the event at 30.217°N, 51.950°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.
2025-10-20 2025-10-20 18:12:19 UTC	2.3ml	58 km WNW of Ninilchik, Alaska 60.180°, -152.685°	111.1 km	-	-	-	Auto	USGS →
A magnitude 2.3 seismic event took place 58 km WNW of Ninilchik, Alaska on October 20, 2025 at 18:12 UTC. The hypocenter lay at 111.1 km, placing this in the intermediate depth category. The epicenter is at 60.180°, -152.685°. 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.
2025-10-20 2025-10-20 17:57:01 UTC	2.2ml	55 km W of Karluk, Alaska 57.657°, -155.374°	7.0 km	-	-	-	Auto	USGS →
October 20, 2025 brought a magnitude 2.2 earthquake 55 km W of Karluk, Alaska, logged at 17:57 UTC. At a depth of 7.0 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 57.657°N, -155.374°E. The automatic solution is preliminary and may be refined as additional station data arrives. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-10-20 2025-10-20 17:06:43 UTC	3.9mb	29 km NW of Comrie, United Kingdom 56.539°, -4.337°	10.0 km	19	-	-	✓ Reviewed	USGS →
Reports of a magnitude 3.9 earthquake 29 km NW of Comrie, United Kingdom came in on October 20, 2025 at 17:06 UTC. Nearby residents submitted 19 felt reports to the USGS DYFI platform. 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 56.539°N, -4.337°E. 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.
2025-10-20 2025-10-20 16:53:09 UTC	4.0mb	51 km WSW of Challapata, Bolivia -19.075°, -67.225°	237.9 km	-	-	-	✓ Reviewed	USGS →
At 16:53 UTC on October 20, 2025, a magnitude 4.0 tremor occurred 51 km WSW of Challapata, Bolivia. The event originated approximately 237.9 km below the surface, classifying it as intermediate depth. Geolocation places the event at -19.075°N, -67.225°E. 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.
2025-10-20 2025-10-20 16:27:57 UTC	4.4mb	55 km ESE of Ādīgrat, Ethiopia 14.040°, 39.911°	10.0 km	-	-	-	✓ Reviewed	USGS →
At 16:27 UTC on October 20, 2025, a magnitude 4.4 tremor occurred 55 km ESE of Ādīgrat, Ethiopia. It arrived roughly 1 hours after a larger magnitude 4.5 mainshock in the same 20 km area, placing it within the typical aftershock window. The hypocenter lay at 10.0 km, placing this in the shallow crustal category. The epicenter is at 14.040°, 39.911°. 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.
2025-10-20 2025-10-20 16:26:41 UTC	4.5mb	44 km SE of Ādīgrat, Ethiopia 14.012°, 39.772°	10.0 km	-	-	-	✓ Reviewed	USGS →
On October 20, 2025 at 16:26 UTC, a magnitude 4.5 earthquake struck 44 km SE of Ādīgrat, Ethiopia. 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. Coordinates: 14.012°, 39.772°. 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.
2025-10-20 2025-10-20 16:22:15 UTC	2.0ml	43 km WNW of Ninilchik, Alaska 60.130°, -152.427°	89.1 km	-	-	-	Auto	USGS →
Reports of a magnitude 2.0 earthquake 43 km WNW of Ninilchik, Alaska came in on October 20, 2025 at 16:22 UTC. At a depth of 89.1 km, the event was intermediate depth. The epicenter is at 60.130°, -152.427°. 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.
2025-10-20 2025-10-20 16:16:48 UTC	5.1mww	154 km N of Maumere, Indonesia -7.238°, 122.415°	535.3 km	-	-	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 5.1 earthquake 154 km N of Maumere, Indonesia with origin time 16:16 UTC on October 20, 2025. At 535.3 km, this is the deepest earthquake in the current dataset — firmly in the deep-focus category. It ranks as the third largest event in the current dataset. The offshore location combined with this depth is characteristic of seismicity along descending slabs. Coordinates: -7.238°, 122.415°. 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.
2025-10-20 2025-10-20 16:15:25 UTC	4.9mb	196 km WNW of Abepura, Indonesia -2.033°, 138.956°	35.0 km	-	-	-	✓ Reviewed	USGS →
This magnitude 4.9 event was detected 196 km WNW of Abepura, Indonesia on October 20, 2025, with origin time 16:15 UTC. The event originated approximately 35.0 km below the surface, classifying it as shallow crustal. The epicenter is at -2.033°, 138.956°. 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.
2025-10-20 2025-10-20 15:54:54 UTC	3.8mb	40 km NE of Yigo Village, Guam 13.830°, 145.105°	129.9 km	-	-	-	✓ Reviewed	USGS →
A magnitude 3.8 seismic event took place 40 km NE of Yigo Village, Guam on October 20, 2025 at 15:54 UTC. The event originated approximately 129.9 km below the surface, classifying it as intermediate depth. The offshore location combined with this depth is characteristic of seismicity along descending slabs. Coordinates: 13.830°, 145.105°. 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.
2025-10-20 2025-10-20 15:47:46 UTC	4.4mb	81 km ESE of Manay, Philippines 6.932°, 127.221°	19.8 km	-	-	-	✓ Reviewed	USGS →
The USGS recorded this magnitude 4.4 earthquake 81 km ESE of Manay, Philippines at 15:47 UTC on October 20, 2025. This event falls inside the aftershock decay of a nearby magnitude 5.8 earthquake that occurred about 4 hours earlier. At a depth of 19.8 km, the event was shallow crustal. Geolocation places the event at 6.932°N, 127.221°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.
2025-10-20 2025-10-20 13:45:33 UTC	3.1ml	5 km WNW of Salcha, Alaska 64.549°, -146.994°	3.7 km	9	-	-	✓ Reviewed	USGS →
October 20, 2025 brought a magnitude 3.1 earthquake 5 km WNW of Salcha, Alaska, logged at 13:45 UTC. At a depth of just 3.7 km, this was a very shallow event, close enough to the surface that modest magnitudes can produce significant local shaking. A small number of nearby observers (9) submitted felt reports to the USGS. The epicenter is at 64.549°, -146.994°. 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.

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 20, 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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