Earthquakes on December 27, 2025: 295 Worldwide, Largest M6.6

Time ↓	Mag ↕	Location ↕	Depth ↕	Felt ↕	MMI	Alert	Status	Details
2025-12-27 2025-12-27 23:52:00 UTC	4.4mb	34 km NE of Luganville, Vanuatu -15.345°, 167.427°	109.0 km	-	-	-	✓ Reviewed	USGS →
At 23:52 UTC on December 27, 2025, a magnitude 4.4 tremor occurred 34 km NE of Luganville, Vanuatu. The event originated approximately 109.0 km below the surface, classifying it as intermediate depth. The offshore location combined with this depth is characteristic of seismicity along descending slabs. Coordinates: -15.345°, 167.427°. 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.
2025-12-27 2025-12-27 23:48:11 UTC	2.3ml	33 km N of Skwentna, Alaska 62.294°, -151.351°	88.7 km	-	-	-	✓ Reviewed	USGS →
A magnitude 2.3 earthquake was recorded 33 km N of Skwentna, Alaska on December 27, 2025 at 23:48 UTC. This was a intermediate depth earthquake, focused at 88.7 km depth. The offshore location combined with this depth is characteristic of seismicity along descending slabs. Coordinates: 62.294°, -151.351°. 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.
2025-12-27 2025-12-27 23:46:43 UTC	2.0ml	17 km W of Union City, Oklahoma 35.411°, -98.134°	6.7 km	-	-	-	✓ Reviewed	USGS →
Reports of a magnitude 2.0 earthquake 17 km W of Union City, Oklahoma came in on December 27, 2025 at 23:46 UTC. At a depth of 6.7 km, the event was shallow crustal. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. The epicenter is at 35.411°, -98.134°. 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.
2025-12-27 2025-12-27 23:36:08 UTC	2.3ml	7 km S of Carpinteria, CA 34.335°, -119.513°	0.8 km	-	-	-	✓ Reviewed	USGS →
A magnitude 2.3 seismic event took place 7 km S of Carpinteria, CA on December 27, 2025 at 23:36 UTC. At a depth of just 0.8 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 34.335°, -119.513°. 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.
2025-12-27 2025-12-27 23:30:04 UTC	3.5ml	Rat Islands, Aleutian Islands, Alaska 51.775°, 178.341°	125.0 km	-	I	-	✓ Reviewed	USGS →
Reports of a magnitude 3.5 earthquake near Rat Islands, Aleutian Islands, Alaska came in on December 27, 2025 at 23:30 UTC. Peak ground motion corresponded to MMI 1.0, classified as weak shaking. This was a intermediate depth earthquake, focused at 125.0 km depth. Coordinates: 51.775°, 178.341°. 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.
2025-12-27 2025-12-27 23:25:33 UTC	2.0ml	50 km S of Whites City, New Mexico 31.724°, -104.360°	6.1 km	-	-	-	✓ Reviewed	USGS →
December 27, 2025 brought a magnitude 2.0 earthquake 50 km S of Whites City, New Mexico, logged at 23:25 UTC. Coming 10 hours after a magnitude 2.4 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. This was a shallow crustal earthquake, focused at 6.1 km depth. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Coordinates: 31.724°, -104.360°. 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.
2025-12-27 2025-12-27 23:21:18 UTC	4.3mb	western Xizang 35.740°, 88.528°	10.0 km	-	-	-	✓ Reviewed	USGS →
A magnitude 4.3 seismic event took place near western Xizang on December 27, 2025 at 23:21 UTC. The event originated approximately 10.0 km below the surface, classifying it as shallow crustal. The epicenter is at 35.740°, 88.528°. 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.
2025-12-27 2025-12-27 23:17:41 UTC	2.4md	5 km WNW of Dixon Lane-Meadow Creek, CA 37.413°, -118.465°	9.1 km	-	-	-	✓ Reviewed	USGS →
A magnitude 2.4 seismic event took place 5 km WNW of Dixon Lane-Meadow Creek, CA on December 27, 2025 at 23:17 UTC. The hypocenter lay at 9.1 km, placing this in the shallow crustal category. Coordinates: 37.413°, -118.465°. 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.
2025-12-27 2025-12-27 23:03:26 UTC	3.8mwr	84 km ENE of Donggang, Taiwan 22.742°, 121.211°	34.2 km	-	-	-	✓ Reviewed	USGS →
At 23:03 UTC on December 27, 2025, a magnitude 3.8 tremor occurred 84 km ENE of Donggang, Taiwan. The hypocenter lay at 34.2 km, placing this in the shallow crustal category. Coordinates: 22.742°, 121.211°. 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.
2025-12-27 2025-12-27 22:48:57 UTC	2.0ml	12 km E of Pāhala, Hawaii 19.207°, -155.363°	29.9 km	-	-	-	✓ Reviewed	USGS →
A magnitude 2.0 seismic event took place 12 km E of Pāhala, Hawaii on December 27, 2025 at 22:48 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.3 earthquake that occurred about 7 hours earlier. The event originated approximately 29.9 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 19.207°N, -155.363°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.
2025-12-27 2025-12-27 22:47:58 UTC	4.4mb	Izu Islands, Japan region 29.695°, 142.240°	10.0 km	-	-	-	✓ Reviewed	USGS →
The USGS recorded this magnitude 4.4 earthquake in the Izu Islands, Japan region at 22:47 UTC on December 27, 2025. It arrived roughly 5 hours after a larger magnitude 4.9 mainshock in the same 20 km area, placing it within the typical aftershock window. This was a shallow crustal earthquake, focused at 10.0 km depth. The epicenter is at 29.695°, 142.240°. 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.
2025-12-27 2025-12-27 22:34:17 UTC	2.0ml	63 km WNW of Ninilchik, Alaska 60.332°, -152.672°	126.0 km	-	-	-	✓ Reviewed	USGS →
On December 27, 2025 at 22:34 UTC, a magnitude 2.0 earthquake struck 63 km WNW of Ninilchik, Alaska. The hypocenter lay at 126.0 km, placing this in the intermediate depth category. The epicenter is at 60.332°, -152.672°. 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.
2025-12-27 2025-12-27 22:31:30 UTC	3.5md	20 km NE of Otra Banda, Dominican Republic 18.800°, -68.543°	42.0 km	-	-	-	✓ Reviewed	USGS →
This magnitude 3.5 event was detected 20 km NE of Otra Banda, Dominican Republic on December 27, 2025, with origin time 22:31 UTC. The event originated approximately 42.0 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 18.800°N, -68.543°E. 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.
2025-12-27 2025-12-27 22:15:46 UTC	2.3ml	114 km N of Yakutat, Alaska 60.570°, -139.784°	4.9 km	-	-	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 2.3 earthquake 114 km N of Yakutat, Alaska with origin time 22:15 UTC on December 27, 2025. It arrived roughly 4 hours after a larger magnitude 2.6 mainshock in the same 20 km area, placing it within the typical aftershock window. 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. The epicenter is at 60.570°, -139.784°. 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.
2025-12-27 2025-12-27 22:11:46 UTC	4.8mb	Fiji region -20.911°, -178.572°	590.8 km	-	-	-	✓ Reviewed	USGS →
A magnitude 4.8 seismic event took place in the Fiji region on December 27, 2025 at 22:11 UTC. At 590.8 km, this deep-focus earthquake originated far below the brittle crust, deep inside the mantle. Coordinates: -20.911°, -178.572°. 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.
2025-12-27 2025-12-27 22:08:24 UTC	4.0mb	95 km SW of Atka, Alaska 51.594°, -175.197°	45.3 km	-	III	-	✓ Reviewed	USGS →
On December 27, 2025 at 22:08 UTC, a magnitude 4.0 earthquake struck 95 km SW of Atka, Alaska. On the Modified Mercalli scale, shaking reached 3.1 — considered light. The hypocenter lay at 45.3 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 51.594°N, -175.197°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.
2025-12-27 2025-12-27 21:56:29 UTC	4.3mb	84 km WNW of Attu Station, Alaska 53.042°, 171.968°	38.1 km	-	-	-	✓ Reviewed	USGS →
December 27, 2025 brought a magnitude 4.3 earthquake 84 km WNW of Attu Station, Alaska, logged at 21:56 UTC. This was a shallow crustal earthquake, focused at 38.1 km depth. Geolocation places the event at 53.042°N, 171.968°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.
2025-12-27 2025-12-27 21:53:36 UTC	2.3md	18 km NNW of New Idria, CA 36.551°, -120.781°	9.9 km	-	-	-	✓ Reviewed	USGS →
December 27, 2025 brought a magnitude 2.3 earthquake 18 km NNW of New Idria, CA, logged at 21:53 UTC. This was a shallow crustal earthquake, focused at 9.9 km depth. Geolocation places the event at 36.551°N, -120.781°E. 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.
2025-12-27 2025-12-27 21:52:51 UTC	2.0ml	6 km ESE of Willow, Alaska 61.727°, -149.915°	55.8 km	-	-	-	✓ Reviewed	USGS →
A magnitude 2.0 earthquake was recorded 6 km ESE of Willow, Alaska on December 27, 2025 at 21:52 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.1 earthquake that occurred about 14 hours earlier. At a depth of 55.8 km, the event was shallow crustal. Geolocation places the event at 61.727°N, -149.915°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.
2025-12-27 2025-12-27 21:49:11 UTC	4.1mb	206 km ENE of Levuka, Fiji -17.468°, -178.838°	550.0 km	-	-	-	✓ Reviewed	USGS →
At 21:49 UTC on December 27, 2025, a magnitude 4.1 tremor occurred 206 km ENE of Levuka, Fiji. At 550.0 km, this deep-focus earthquake originated far below the brittle crust, deep inside the mantle. Geolocation places the event at -17.468°N, -178.838°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.
2025-12-27 2025-12-27 21:45:23 UTC	2.3ml	121 km N of Yakutat, Alaska 60.619°, -140.098°	12.0 km	-	-	-	✓ Reviewed	USGS →
On December 27, 2025, worldwide seismic activity registered a magnitude 2.3 earthquake 121 km N of Yakutat, Alaska at 21:45 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.6 earthquake that occurred about 3 hours earlier. At a depth of 12.0 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 60.619°N, -140.098°E. 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.
2025-12-27 2025-12-27 21:41:15 UTC	2.2ml	107 km N of Yakutat, Alaska 60.506°, -139.977°	2.5 km	-	-	-	✓ Reviewed	USGS →
On December 27, 2025 at 21:41 UTC, a magnitude 2.2 earthquake struck 107 km N of Yakutat, Alaska. Coming 5 hours after a magnitude 2.9 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. At a depth of just 2.5 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: 60.506°, -139.977°. 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.
2025-12-27 2025-12-27 21:36:30 UTC	2.2ml	104 km N of Yakutat, Alaska 60.485°, -139.766°	1.6 km	-	-	-	✓ Reviewed	USGS →
A magnitude 2.2 earthquake was recorded 104 km N of Yakutat, Alaska on December 27, 2025 at 21:36 UTC. It arrived roughly 5 hours after a larger magnitude 2.9 mainshock in the same 20 km area, placing it within the typical aftershock window. At a depth of just 1.6 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 60.485°, -139.766°. 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.
2025-12-27 2025-12-27 21:35:19 UTC	4.1mb	39 km SE of Yigo Village, Guam 13.278°, 145.136°	59.5 km	-	-	-	✓ Reviewed	USGS →
The USGS recorded this magnitude 4.1 earthquake 39 km SE of Yigo Village, Guam at 21:35 UTC on December 27, 2025. This was a shallow crustal earthquake, focused at 59.5 km depth. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Coordinates: 13.278°, 145.136°. 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.
2025-12-27 2025-12-27 21:15:01 UTC	2.1ml	110 km N of Yakutat, Alaska 60.538°, -139.810°	10.7 km	-	-	-	✓ Reviewed	USGS →
A magnitude 2.1 earthquake was recorded 110 km N of Yakutat, Alaska on December 27, 2025 at 21:15 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.9 earthquake that occurred about 5 hours earlier. This was a shallow crustal earthquake, focused at 10.7 km depth. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Geolocation places the event at 60.538°N, -139.810°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.
2025-12-27 2025-12-27 21:07:50 UTC	2.0ml	122 km N of Yakutat, Alaska 60.640°, -139.979°	10.1 km	-	-	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 2.0 earthquake 122 km N of Yakutat, Alaska with origin time 21:07 UTC on December 27, 2025. Coming 3 hours after a magnitude 2.6 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event originated approximately 10.1 km below the surface, classifying it as shallow crustal. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Coordinates: 60.640°, -139.979°. 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.
2025-12-27 2025-12-27 21:03:55 UTC	3.0ml	21 km SSE of Wright, Wyoming 43.577°, -105.367°	0.0 km	-	-	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 3.0 earthquake 21 km SSE of Wright, Wyoming with origin time 21:03 UTC on December 27, 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 43.577°N, -105.367°E. 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.
2025-12-27 2025-12-27 20:52:09 UTC	2.0ml	36 km SSW of Dry Creek, Alaska 63.332°, -144.834°	8.0 km	-	-	-	✓ Reviewed	USGS →
On December 27, 2025, worldwide seismic activity registered a magnitude 2.0 earthquake 36 km SSW of Dry Creek, Alaska at 20:52 UTC. This was a shallow crustal earthquake, focused at 8.0 km depth. The epicenter is at 63.332°, -144.834°. 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.
2025-12-27 2025-12-27 20:47:35 UTC	2.1ml	99 km N of Yakutat, Alaska 60.440°, -139.610°	1.8 km	-	-	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 2.1 earthquake 99 km N of Yakutat, Alaska with origin time 20:47 UTC on December 27, 2025. Coming 4 hours after a magnitude 2.9 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. At a depth of just 1.8 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: 60.440°, -139.610°. 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.
2025-12-27 2025-12-27 20:43:14 UTC	3.3ml	12 km SSE of Antelope Valley-Crestview, Wyoming 44.115°, -105.422°	0.0 km	-	-	-	✓ Reviewed	USGS →
A magnitude 3.3 seismic event took place 12 km SSE of Antelope Valley-Crestview, Wyoming on December 27, 2025 at 20:43 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. The epicenter is at 44.115°, -105.422°. 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.

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 December 27, 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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