Earthquakes on October 16, 2025: 234 Worldwide, Largest M6.4

Time ↓	Mag ↕	Location ↕	Depth ↕	Felt ↕	MMI	Alert	Status	Details
2025-10-16 2025-10-16 23:57:40 UTC	4.8mb	7 km ESE of Union, Philippines 9.729°, 126.171°	57.8 km	2	-	-	✓ Reviewed	USGS →
A magnitude 4.8 earthquake was recorded 7 km ESE of Union, Philippines on October 16, 2025 at 23:57 UTC. Coming 1 hours after a magnitude 6.0 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. A small number of nearby observers (2) submitted felt reports to the USGS. This was a shallow crustal earthquake, focused at 57.8 km depth. Coordinates: 9.729°, 126.171°. 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.
2025-10-16 2025-10-16 23:53:36 UTC	4.7mb	10 km N of Bāsawul, Afghanistan 34.342°, 70.857°	10.0 km	1	-	-	✓ Reviewed	USGS →
The USGS recorded this magnitude 4.7 earthquake 10 km N of Bāsawul, Afghanistan at 23:53 UTC on October 16, 2025. 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. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. The epicenter is at 34.342°, 70.857°. 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.
2025-10-16 2025-10-16 23:52:22 UTC	4.5mb	68 km NE of Santa Monica, Philippines 10.402°, 126.529°	10.0 km	-	-	-	✓ Reviewed	USGS →
At 23:52 UTC on October 16, 2025, a magnitude 4.5 tremor occurred 68 km NE of Santa Monica, Philippines. 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 10.402°, 126.529°. 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.
2025-10-16 2025-10-16 23:40:33 UTC	2.0ml	3 km ESE of Loma Linda, CA 34.041°, -117.231°	7.5 km	-	-	-	✓ Reviewed	USGS →
On October 16, 2025, worldwide seismic activity registered a magnitude 2.0 earthquake 3 km ESE of Loma Linda, CA at 23:40 UTC. At a depth of 7.5 km, the event was shallow crustal. The epicenter is at 34.041°, -117.231°. 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.
2025-10-16 2025-10-16 23:39:16 UTC	4.5mb	10 km ENE of Union, Philippines 9.806°, 126.192°	37.5 km	-	-	-	✓ Reviewed	USGS →
The USGS recorded this magnitude 4.5 earthquake 10 km ENE of Union, Philippines at 23:39 UTC on October 16, 2025. This event falls inside the aftershock decay of a nearby magnitude 6.0 earthquake that occurred about 1 hours earlier. At a depth of 37.5 km, the event was shallow crustal. Geolocation places the event at 9.806°N, 126.192°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.
2025-10-16 2025-10-16 23:37:15 UTC	4.2mb	25 km ENE of Santa Monica, Philippines 10.082°, 126.264°	35.0 km	-	-	-	✓ Reviewed	USGS →
A magnitude 4.2 earthquake was recorded 25 km ENE of Santa Monica, Philippines on October 16, 2025 at 23:37 UTC. At a depth of 35.0 km, the event was shallow crustal. Coordinates: 10.082°, 126.264°. 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.
2025-10-16 2025-10-16 23:20:23 UTC	4.5mb	11 km SSE of Union, Philippines 9.658°, 126.156°	17.2 km	-	-	-	✓ Reviewed	USGS →
This magnitude 4.5 event was detected 11 km SSE of Union, Philippines on October 16, 2025, with origin time 23:20 UTC. Coming 1 hours after a magnitude 6.0 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event originated approximately 17.2 km below the surface, classifying it as shallow crustal. Coordinates: 9.658°, 126.156°. 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.
2025-10-16 2025-10-16 23:18:01 UTC	4.6mb	16 km ESE of Union, Philippines 9.725°, 126.255°	43.3 km	-	-	-	✓ Reviewed	USGS →
October 16, 2025 brought a magnitude 4.6 earthquake 16 km ESE of Union, Philippines, logged at 23:18 UTC. This event falls inside the aftershock decay of a nearby magnitude 6.0 earthquake that occurred about 1 hours earlier. This was a shallow crustal earthquake, focused at 43.3 km depth. Geolocation places the event at 9.725°N, 126.255°E. 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.
2025-10-16 2025-10-16 23:14:15 UTC	4.5mb	4 km S of Pilar, Philippines 9.820°, 126.098°	32.4 km	-	-	-	✓ Reviewed	USGS →
Reports of a magnitude 4.5 earthquake 4 km S of Pilar, Philippines came in on October 16, 2025 at 23:14 UTC. It arrived roughly 1 hours after a larger magnitude 6.0 mainshock in the same 20 km area, placing it within the typical aftershock window. This was a shallow crustal earthquake, focused at 32.4 km depth. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. The epicenter is at 9.820°, 126.098°. 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.
2025-10-16 2025-10-16 23:07:17 UTC	5.1mb	south of the Fiji Islands -23.330°, 178.829°	553.8 km	-	-	-	✓ Reviewed	USGS →
At 23:07 UTC on October 16, 2025, a magnitude 5.1 tremor occurred south of the Fiji Islands. At 553.8 km, this deep-focus earthquake originated far below the brittle crust, deep inside the mantle. It ranks as the fifth largest event in the current dataset. Geolocation places the event at -23.330°N, 178.829°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.
2025-10-16 2025-10-16 23:03:12 UTC	6.0mww	3 km N of Union, Philippines 9.791°, 126.116°	32.0 km	26	VI	green	✓ Reviewed	USGS →
Seismographs logged a magnitude 6.0 earthquake 3 km N of Union, Philippines with origin time 23:03 UTC on October 16, 2025. In the 72 hours after this event, the USGS recorded 5 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. Peak ground motion corresponded to MMI 6.2, classified as very strong shaking. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. The event generated 26 citizen felt reports to the USGS. It ranks as the third largest event in the current dataset. The event originated approximately 32.0 km below the surface, classifying it as shallow crustal. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Coordinates: 9.791°, 126.116°. See the M6.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-10-16 2025-10-16 22:11:03 UTC	4.8mb	83 km ESE of Manay, Philippines 6.836°, 127.192°	12.3 km	1	-	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 4.8 earthquake 83 km ESE of Manay, Philippines with origin time 22:11 UTC on October 16, 2025. A small number of nearby observers (1) submitted felt reports to the USGS. The hypocenter lay at 12.3 km, placing this in the shallow crustal category. The epicenter is at 6.836°, 127.192°. 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.
2025-10-16 2025-10-16 22:10:23 UTC	5.0mb	184 km N of Bamboo Flat, India 13.358°, 92.556°	15.2 km	1	-	-	✓ Reviewed	USGS →
This magnitude 5.0 event was detected 184 km N of Bamboo Flat, India on October 16, 2025, with origin time 22:10 UTC. A small number of nearby observers (1) submitted felt reports to the USGS. The event originated approximately 15.2 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 13.358°, 92.556°. 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.
2025-10-16 2025-10-16 22:02:36 UTC	3.5ml	24 km NW of Whites City, New Mexico 32.331°, -104.567°	9.7 km	1	III	-	✓ Reviewed	USGS →
A magnitude 3.5 earthquake was recorded 24 km NW of Whites City, New Mexico on October 16, 2025 at 22:02 UTC. Maximum shaking intensity peaked at MMI 3.9 (light). A small number of nearby observers (1) submitted felt reports to the USGS. This was a shallow crustal earthquake, focused at 9.7 km depth. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. The epicenter is at 32.331°, -104.567°. See the M3.5 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-10-16 2025-10-16 21:38:42 UTC	4.4mb	276 km WNW of Houma, Tonga -20.352°, -177.807°	524.2 km	-	-	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 4.4 earthquake 276 km WNW of Houma, Tonga with origin time 21:38 UTC on October 16, 2025. At 524.2 km, this deep-focus earthquake originated far below the brittle crust, deep inside the mantle. Coordinates: -20.352°, -177.807°. 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.
2025-10-16 2025-10-16 21:33:08 UTC	2.3ml	3 km SSW of Enterprise, Nevada 35.993°, -115.256°	2.9 km	-	-	-	Auto	USGS →
This magnitude 2.3 event was detected 3 km SSW of Enterprise, Nevada on October 16, 2025, with origin time 21:33 UTC. At a depth of just 2.9 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 35.993°N, -115.256°E. 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.
2025-10-16 2025-10-16 21:30:56 UTC	2.0md	6 km ENE of Niota, Tennessee 35.534°, -84.474°	9.5 km	-	-	-	✓ Reviewed	USGS →
The USGS recorded this magnitude 2.0 earthquake 6 km ENE of Niota, Tennessee at 21:30 UTC on October 16, 2025. This was a shallow crustal earthquake, focused at 9.5 km depth. Coordinates: 35.534°, -84.474°. 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.
2025-10-16 2025-10-16 20:29:38 UTC	4.6mb	216 km SSE of Vilyuchinsk, Russia 51.177°, 159.768°	10.0 km	-	-	-	✓ Reviewed	USGS →
On October 16, 2025 at 20:29 UTC, a magnitude 4.6 earthquake struck 216 km SSE of Vilyuchinsk, Russia. The hypocenter lay at 10.0 km, placing this in the shallow crustal category. Coordinates: 51.177°, 159.768°. 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.
2025-10-16 2025-10-16 20:13:07 UTC	3.1ml	29 km SSE of Wright, Wyoming 43.508°, -105.338°	0.0 km	-	-	-	✓ Reviewed	USGS →
The USGS recorded this magnitude 3.1 earthquake 29 km SSE of Wright, Wyoming at 20:13 UTC on October 16, 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. Geolocation places the event at 43.508°N, -105.338°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.
2025-10-16 2025-10-16 19:56:34 UTC	4.9mb	96 km SE of Severo-Kuril’sk, Russia 50.115°, 157.158°	36.4 km	-	-	-	✓ Reviewed	USGS →
October 16, 2025 brought a magnitude 4.9 earthquake 96 km SE of Severo-Kuril’sk, Russia, logged at 19:56 UTC. At a depth of 36.4 km, the event was shallow crustal. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. The epicenter is at 50.115°, 157.158°. 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.
2025-10-16 2025-10-16 19:37:59 UTC	2.1ml	7 km SSE of Susitna North, Alaska 62.102°, -149.795°	35.7 km	-	-	-	Auto	USGS →
Reports of a magnitude 2.1 earthquake 7 km SSE of Susitna North, Alaska came in on October 16, 2025 at 19:37 UTC. This was a shallow crustal earthquake, focused at 35.7 km depth. The epicenter is at 62.102°, -149.795°. 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.
2025-10-16 2025-10-16 19:31:32 UTC	2.4ml	62 km N of Petersville, Alaska 63.061°, -150.796°	123.0 km	-	-	-	Auto	USGS →
On October 16, 2025 at 19:31 UTC, a magnitude 2.4 earthquake struck 62 km N of Petersville, Alaska. The event originated approximately 123.0 km below the surface, classifying it as intermediate depth. The offshore location combined with this depth is characteristic of seismicity along descending slabs. Geolocation places the event at 63.061°N, -150.796°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.
2025-10-16 2025-10-16 19:12:29 UTC	4.3mb	239 km S of Ambon, Indonesia -5.858°, 128.363°	355.0 km	-	-	-	✓ Reviewed	USGS →
This magnitude 4.3 event was detected 239 km S of Ambon, Indonesia on October 16, 2025, with origin time 19:12 UTC. At 355.0 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. The epicenter is at -5.858°, 128.363°. 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.
2025-10-16 2025-10-16 18:59:26 UTC	2.4ml	1 km SW of Pāhala, Hawaii 19.196°, -155.487°	30.1 km	-	-	-	✓ Reviewed	USGS →
At 18:59 UTC on October 16, 2025, a magnitude 2.4 tremor occurred 1 km SW of Pāhala, Hawaii. Coming 13 hours after a magnitude 3.4 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event originated approximately 30.1 km below the surface, classifying it as shallow crustal. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Coordinates: 19.196°, -155.487°. 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.
2025-10-16 2025-10-16 18:48:34 UTC	4.2mb	66 km ESE of La Tirana, Chile -20.579°, -69.076°	86.2 km	-	-	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 4.2 earthquake 66 km ESE of La Tirana, Chile with origin time 18:48 UTC on October 16, 2025. The event originated approximately 86.2 km below the surface, classifying it as intermediate depth. The epicenter is at -20.579°, -69.076°. 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.
2025-10-16 2025-10-16 18:43:38 UTC	4.3mb	262 km E of Levuka, Fiji -18.076°, -178.202°	565.1 km	-	-	-	✓ Reviewed	USGS →
Reports of a magnitude 4.3 earthquake 262 km E of Levuka, Fiji came in on October 16, 2025 at 18:43 UTC. At 565.1 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. Geolocation places the event at -18.076°N, -178.202°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.
2025-10-16 2025-10-16 18:43:33 UTC	2.1ml	56 km SSE of Denali National Park, Alaska 63.056°, -151.382°	0.0 km	-	-	-	Auto	USGS →
A magnitude 2.1 seismic event took place 56 km SSE of Denali National Park, Alaska on October 16, 2025 at 18:43 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. Geolocation places the event at 63.056°N, -151.382°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.
2025-10-16 2025-10-16 18:18:25 UTC	4.6mb	128 km SSE of Vilyuchinsk, Russia 51.812°, 158.873°	64.0 km	-	-	-	✓ Reviewed	USGS →
A magnitude 4.6 earthquake was recorded 128 km SSE of Vilyuchinsk, Russia on October 16, 2025 at 18:18 UTC. At a depth of 64.0 km, the event was shallow crustal. The epicenter is at 51.812°, 158.873°. 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.
2025-10-16 2025-10-16 18:05:04 UTC	3.3md	44 km N of Charlotte Amalie, U.S. Virgin Islands 18.739°, -65.007°	40.4 km	-	-	-	✓ Reviewed	USGS →
On October 16, 2025, worldwide seismic activity registered a magnitude 3.3 earthquake 44 km N of Charlotte Amalie, U.S. Virgin Islands at 18:05 UTC. At a depth of 40.4 km, the event was shallow crustal. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Coordinates: 18.739°, -65.007°. 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.
2025-10-16 2025-10-16 17:58:11 UTC	3.1ml	23 km NNW of Hayfork, CA 40.757°, -123.259°	29.2 km	2	-	-	Auto	USGS →
This magnitude 3.1 event was detected 23 km NNW of Hayfork, CA on October 16, 2025, with origin time 17:58 UTC. A small number of nearby observers (2) submitted felt reports to the USGS. The hypocenter lay at 29.2 km, placing this in the shallow crustal category. Coordinates: 40.757°, -123.259°. The automatic solution is preliminary and may be refined as additional station data arrives. 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 16, 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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