Earthquakes on December 28, 2025: 254 Worldwide, Largest M6.2

Time ↓	Mag ↕	Location ↕	Depth ↕	Felt ↕	MMI	Alert	Status	Details
2025-12-28 2025-12-28 23:46:29 UTC	2.6ml	96 km S of Sand Point, Alaska 54.484°, -160.260°	8.6 km	-	-	-	✓ Reviewed	USGS →
Reports of a magnitude 2.6 earthquake 96 km S of Sand Point, Alaska came in on December 28, 2025 at 23:46 UTC. Coming 14 hours after a magnitude 3.0 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. This was a shallow crustal earthquake, focused at 8.6 km depth. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Coordinates: 54.484°, -160.260°. 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.
2025-12-28 2025-12-28 23:44:27 UTC	2.9ml	43 km ENE of Kodiak, Alaska 57.982°, -151.778°	5.7 km	-	-	-	✓ Reviewed	USGS →
Reports of a magnitude 2.9 earthquake 43 km ENE of Kodiak, Alaska came in on December 28, 2025 at 23:44 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.0 earthquake that occurred about 1 hours earlier. At a depth of 5.7 km, the event was shallow crustal. Geolocation places the event at 57.982°N, -151.778°E. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-12-28 2025-12-28 23:44:13 UTC	2.6ml	15 km S of Santa Rosa Is., CA 33.808°, -120.074°	7.1 km	-	-	-	✓ Reviewed	USGS →
A magnitude 2.6 seismic event took place 15 km S of Santa Rosa Is., CA on December 28, 2025 at 23:44 UTC. The hypocenter lay at 7.1 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 33.808°, -120.074°. 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.
2025-12-28 2025-12-28 23:19:55 UTC	5.0mb	43 km W of Puerto Santa, Peru -9.020°, -79.045°	72.7 km	4	-	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 5.0 earthquake 43 km W of Puerto Santa, Peru with origin time 23:19 UTC on December 28, 2025. Coming 20 hours after a magnitude 6.2 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. It ranks as the third largest event in the current dataset. A small number of nearby observers (4) submitted felt reports to the USGS. The event originated approximately 72.7 km below the surface, classifying it as intermediate depth. The offshore location combined with this depth is characteristic of seismicity along descending slabs. Coordinates: -9.020°, -79.045°. 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.
2025-12-28 2025-12-28 23:14:30 UTC	2.9ml	42 km ENE of Kodiak, Alaska 57.976°, -151.787°	6.9 km	-	-	-	✓ Reviewed	USGS →
A magnitude 2.9 seismic event took place 42 km ENE of Kodiak, Alaska on December 28, 2025 at 23:14 UTC. Coming 1 hours after a magnitude 3.0 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event originated approximately 6.9 km below the surface, classifying it as shallow crustal. Coordinates: 57.976°, -151.787°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-12-28 2025-12-28 22:56:02 UTC	2.3ml	24 km SSW of Kanosh, Utah 38.599°, -112.559°	-0.2 km	-	-	-	✓ Reviewed	USGS →
A magnitude 2.3 seismic event took place 24 km SSW of Kanosh, Utah on December 28, 2025 at 22:56 UTC. At just -0.2 km, it was the shallowest earthquake in the current dataset — a shallow crustal event. The epicenter is at 38.599°, -112.559°. 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.
2025-12-28 2025-12-28 22:51:29 UTC	3.0ml	42 km ENE of Kodiak, Alaska 57.964°, -151.773°	6.5 km	-	-	-	✓ Reviewed	USGS →
On December 28, 2025, worldwide seismic activity registered a magnitude 3.0 earthquake 42 km ENE of Kodiak, Alaska at 22:51 UTC. At a depth of 6.5 km, the event was shallow crustal. The epicenter is at 57.964°, -151.773°. 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.
2025-12-28 2025-12-28 22:29:11 UTC	2.2ml	109 km N of Yakutat, Alaska 60.530°, -139.805°	0.6 km	-	-	-	✓ Reviewed	USGS →
A magnitude 2.2 seismic event took place 109 km N of Yakutat, Alaska on December 28, 2025 at 22:29 UTC. Coming 4 hours after a magnitude 4.2 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. At a depth of just 0.6 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. Coordinates: 60.530°, -139.805°. 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.
2025-12-28 2025-12-28 22:03:33 UTC	2.5ml	112 km N of Yakutat, Alaska 60.551°, -139.986°	1.0 km	-	-	-	✓ Reviewed	USGS →
The USGS recorded this magnitude 2.5 earthquake 112 km N of Yakutat, Alaska at 22:03 UTC on December 28, 2025. This event falls inside the aftershock decay of a nearby magnitude 4.2 earthquake that occurred about 3 hours earlier. At a depth of just 1.0 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. Geolocation places the event at 60.551°N, -139.986°E. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-12-28 2025-12-28 21:42:59 UTC	2.5ml	52 km WNW of Nanwalek, Alaska 59.608°, -152.700°	83.9 km	-	-	-	✓ Reviewed	USGS →
This magnitude 2.5 event was detected 52 km WNW of Nanwalek, Alaska on December 28, 2025, with origin time 21:42 UTC. The hypocenter lay at 83.9 km, placing this in the intermediate depth category. Coordinates: 59.608°, -152.700°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-12-28 2025-12-28 21:34:40 UTC	2.1ml	9 km SSE of Hope, Alaska 60.836°, -149.595°	37.0 km	-	-	-	✓ Reviewed	USGS →
The USGS recorded this magnitude 2.1 earthquake 9 km SSE of Hope, Alaska at 21:34 UTC on December 28, 2025. At a depth of 37.0 km, the event was shallow crustal. Coordinates: 60.836°, -149.595°. 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.
2025-12-28 2025-12-28 21:13:10 UTC	2.2ml	56 km S of Whites City, New Mexico 31.667°, -104.374°	7.0 km	-	-	-	✓ Reviewed	USGS →
December 28, 2025 brought a magnitude 2.2 earthquake 56 km S of Whites City, New Mexico, logged at 21:13 UTC. This was a shallow crustal earthquake, focused at 7.0 km depth. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. The epicenter is at 31.667°, -104.374°. 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.
2025-12-28 2025-12-28 21:07:41 UTC	4.3mb	31 km NW of Shikotan, Russia 44.032°, 146.492°	85.8 km	-	-	-	✓ Reviewed	USGS →
The USGS recorded this magnitude 4.3 earthquake 31 km NW of Shikotan, Russia at 21:07 UTC on December 28, 2025. This was a intermediate depth earthquake, focused at 85.8 km depth. The offshore location combined with this depth is characteristic of seismicity along descending slabs. The epicenter is at 44.032°, 146.492°. 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.
2025-12-28 2025-12-28 20:47:42 UTC	2.4ml	8 km W of Frazier Park, CA 34.831°, -119.034°	11.3 km	1	-	-	✓ Reviewed	USGS →
Reports of a magnitude 2.4 earthquake 8 km W of Frazier Park, CA came in on December 28, 2025 at 20:47 UTC. A small number of nearby observers (1) submitted felt reports to the USGS. At a depth of 11.3 km, the event was shallow crustal. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Coordinates: 34.831°, -119.034°. 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.
2025-12-28 2025-12-28 20:39:22 UTC	2.0ml	2 km ESE of Lake Henshaw, CA 33.234°, -116.741°	10.3 km	-	-	-	✓ Reviewed	USGS →
On December 28, 2025, worldwide seismic activity registered a magnitude 2.0 earthquake 2 km ESE of Lake Henshaw, CA at 20:39 UTC. This was a shallow crustal earthquake, focused at 10.3 km depth. Coordinates: 33.234°, -116.741°. 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.
2025-12-28 2025-12-28 20:05:52 UTC	2.1md	5 km SE of San Ramon, CA 37.754°, -121.938°	6.7 km	2	-	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 2.1 earthquake 5 km SE of San Ramon, CA with origin time 20:05 UTC on December 28, 2025. This event falls inside the aftershock decay of a nearby magnitude 2.5 earthquake that occurred about 1 hours earlier. A small number of nearby observers (2) submitted felt reports to the USGS. The event originated approximately 6.7 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 37.754°N, -121.938°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.
2025-12-28 2025-12-28 20:02:59 UTC	2.1ml	21 km NNE of Sterling, Alaska 60.713°, -150.613°	51.2 km	-	-	-	✓ Reviewed	USGS →
This magnitude 2.1 event was detected 21 km NNE of Sterling, Alaska on December 28, 2025, with origin time 20:02 UTC. The event originated approximately 51.2 km below the surface, classifying it as shallow crustal. The epicenter is at 60.713°, -150.613°. 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.
2025-12-28 2025-12-28 19:57:01 UTC	3.1ml	11 km SE of Wright, Wyoming 43.693°, -105.375°	0.0 km	-	-	-	✓ Reviewed	USGS →
December 28, 2025 brought a magnitude 3.1 earthquake 11 km SE of Wright, Wyoming, logged at 19:57 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: 43.693°, -105.375°. 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.
2025-12-28 2025-12-28 19:56:43 UTC	2.5md	5 km SE of San Ramon, CA 37.753°, -121.933°	5.6 km	25	-	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 2.5 earthquake 5 km SE of San Ramon, CA with origin time 19:56 UTC on December 28, 2025. In the 72 hours after this event, the USGS recorded 3 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. Nearby residents submitted 25 felt reports to the USGS DYFI platform. The hypocenter lay at 5.6 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 37.753°N, -121.933°E. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-12-28 2025-12-28 19:51:00 UTC	2.1ml	122 km NW of Yakutat, Alaska 60.353°, -141.217°	12.0 km	-	-	-	✓ Reviewed	USGS →
Reports of a magnitude 2.1 earthquake 122 km NW of Yakutat, Alaska came in on December 28, 2025 at 19:51 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.3 earthquake that occurred about 20 hours earlier. This was a shallow crustal earthquake, focused at 12.0 km depth. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Geolocation places the event at 60.353°N, -141.217°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.
2025-12-28 2025-12-28 19:30:10 UTC	2.5ml	14 km N of Cantwell, Alaska 63.525°, -148.947°	0.7 km	-	-	-	✓ Reviewed	USGS →
Reports of a magnitude 2.5 earthquake 14 km N of Cantwell, Alaska came in on December 28, 2025 at 19:30 UTC. At a depth of just 0.7 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 63.525°, -148.947°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-12-28 2025-12-28 19:30:05 UTC	3.0md	42 km NW of San Antonio, Puerto Rico 18.769°, -67.383°	11.4 km	-	-	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 3.0 earthquake 42 km NW of San Antonio, Puerto Rico with origin time 19:30 UTC on December 28, 2025. Coming 1 hours after a magnitude 3.5 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The hypocenter lay at 11.4 km, placing this in the shallow crustal category. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Coordinates: 18.769°, -67.383°. 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.
2025-12-28 2025-12-28 19:23:58 UTC	3.5md	42 km NW of San Antonio, Puerto Rico 18.767°, -67.376°	8.0 km	-	-	-	✓ Reviewed	USGS →
Reports of a magnitude 3.5 earthquake 42 km NW of San Antonio, Puerto Rico came in on December 28, 2025 at 19:23 UTC. This was a shallow crustal earthquake, focused at 8.0 km depth. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. The epicenter is at 18.767°, -67.376°. 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.
2025-12-28 2025-12-28 19:02:07 UTC	3.3ml	39 km E of Lee Vining, CA 37.944°, -118.680°	14.0 km	1	-	-	✓ Reviewed	USGS →
A magnitude 3.3 seismic event took place 39 km E of Lee Vining, CA on December 28, 2025 at 19:02 UTC. A small number of nearby observers (1) submitted felt reports to the USGS. The hypocenter lay at 14.0 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 37.944°N, -118.680°E. 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.
2025-12-28 2025-12-28 18:54:56 UTC	2.5ml	55 km WNW of Anchor Point, Alaska 59.883°, -152.793°	100.8 km	-	-	-	✓ Reviewed	USGS →
A magnitude 2.5 seismic event took place 55 km WNW of Anchor Point, Alaska on December 28, 2025 at 18:54 UTC. The event originated approximately 100.8 km below the surface, classifying it as intermediate depth. Geolocation places the event at 59.883°N, -152.793°E. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-12-28 2025-12-28 18:50:49 UTC	4.2mwr	107 km N of Yakutat, Alaska 60.505°, -139.864°	8.6 km	-	IV	green	✓ Reviewed	USGS →
A magnitude 4.2 earthquake was recorded 107 km N of Yakutat, Alaska on December 28, 2025 at 18:50 UTC. A tsunami evaluation was automatically initiated given the magnitude and location. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. Maximum shaking intensity peaked at MMI 4.6 (moderate). At a depth of 8.6 km, the event was shallow crustal. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. The epicenter is at 60.505°, -139.864°. 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.
2025-12-28 2025-12-28 18:49:54 UTC	4.4mb	South Sandwich Islands region -55.603°, -27.796°	35.3 km	-	-	-	✓ Reviewed	USGS →
A magnitude 4.4 earthquake was recorded in the South Sandwich Islands region on December 28, 2025 at 18:49 UTC. This was a shallow crustal earthquake, focused at 35.3 km depth. Coordinates: -55.603°, -27.796°. 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.
2025-12-28 2025-12-28 18:47:49 UTC	4.4mb	25 km NNE of Loreto, Philippines 10.582°, 125.647°	10.0 km	-	-	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 4.4 earthquake 25 km NNE of Loreto, Philippines with origin time 18:47 UTC on December 28, 2025. The hypocenter lay at 10.0 km, placing this in the shallow crustal category. The epicenter is at 10.582°, 125.647°. 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.
2025-12-28 2025-12-28 18:14:16 UTC	2.1ml	103 km N of Yakutat, Alaska 60.479°, -139.676°	6.3 km	-	-	-	✓ Reviewed	USGS →
A magnitude 2.1 seismic event took place 103 km N of Yakutat, Alaska on December 28, 2025 at 18:14 UTC. Coming 15 hours after a magnitude 2.9 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The hypocenter lay at 6.3 km, placing this in the shallow crustal category. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Coordinates: 60.479°, -139.676°. 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.
2025-12-28 2025-12-28 18:05:34 UTC	2.1md	14 km SW of Cantua Creek, CA 36.408°, -120.419°	12.9 km	-	-	-	✓ Reviewed	USGS →
A magnitude 2.1 earthquake was recorded 14 km SW of Cantua Creek, CA on December 28, 2025 at 18:05 UTC. At a depth of 12.9 km, the event was shallow crustal. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. The epicenter is at 36.408°, -120.419°. 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.

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 28, 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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