Earthquakes on December 18, 2025: 353 Worldwide, Largest M5.9

Time ↓	Mag ↕	Location ↕	Depth ↕	Felt ↕	MMI	Alert	Status	Details
2025-12-18 2025-12-18 23:43:06 UTC	4.6mb	52 km WSW of Ilioilio, Philippines 15.775°, 119.317°	10.0 km	-	-	-	✓ Reviewed	USGS →
On December 18, 2025 at 23:43 UTC, a magnitude 4.6 earthquake struck 52 km WSW of Ilioilio, Philippines. The event originated approximately 10.0 km below the surface, classifying it as shallow crustal. Geolocation places the event at 15.775°N, 119.317°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.
2025-12-18 2025-12-18 23:25:41 UTC	4.3mb	82 km E of Petropavlovsk-Kamchatsky, Russia 53.093°, 159.862°	51.4 km	-	-	-	✓ Reviewed	USGS →
December 18, 2025 brought a magnitude 4.3 earthquake 82 km E of Petropavlovsk-Kamchatsky, Russia, logged at 23:25 UTC. At a depth of 51.4 km, the event was shallow crustal. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Coordinates: 53.093°, 159.862°. 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.
2025-12-18 2025-12-18 23:22:55 UTC	4.1mb	78 km W of Ollagüe, Chile -21.113°, -68.996°	113.2 km	-	-	-	✓ Reviewed	USGS →
This magnitude 4.1 event was detected 78 km W of Ollagüe, Chile on December 18, 2025, with origin time 23:22 UTC. The hypocenter lay at 113.2 km, placing this in the intermediate depth category. The offshore location combined with this depth is characteristic of seismicity along descending slabs. The epicenter is at -21.113°, -68.996°. 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.
2025-12-18 2025-12-18 23:08:31 UTC	2.0ml	112 km N of Yakutat, Alaska 60.553°, -139.873°	6.2 km	-	-	-	✓ Reviewed	USGS →
This magnitude 2.0 event was detected 112 km N of Yakutat, Alaska on December 18, 2025, with origin time 23:08 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.0 earthquake that occurred about 7 hours earlier. The hypocenter lay at 6.2 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 60.553°N, -139.873°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.
2025-12-18 2025-12-18 22:52:09 UTC	4.8mb	250 km SSE of Severo-Kuril’sk, Russia 48.546°, 157.260°	10.0 km	-	-	-	✓ Reviewed	USGS →
Reports of a magnitude 4.8 earthquake 250 km SSE of Severo-Kuril’sk, Russia came in on December 18, 2025 at 22:52 UTC. This was a shallow crustal earthquake, focused at 10.0 km depth. Geolocation places the event at 48.546°N, 157.260°E. 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.
2025-12-18 2025-12-18 22:35:29 UTC	4.6mb	102 km WNW of Panguna, Papua New Guinea -6.133°, 154.581°	416.6 km	-	-	-	✓ Reviewed	USGS →
A magnitude 4.6 earthquake was recorded 102 km WNW of Panguna, Papua New Guinea on December 18, 2025 at 22:35 UTC. At 416.6 km, this is the deepest earthquake in the current dataset — firmly in the deep-focus category. Coordinates: -6.133°, 154.581°. 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.
2025-12-18 2025-12-18 22:34:44 UTC	2.0ml	12 km W of Midland, Texas 32.017°, -102.203°	5.5 km	-	-	-	Auto	USGS →
Reports of a magnitude 2.0 earthquake 12 km W of Midland, Texas came in on December 18, 2025 at 22:34 UTC. At a depth of 5.5 km, the event was shallow crustal. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Coordinates: 32.017°, -102.203°. 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.
2025-12-18 2025-12-18 22:33:17 UTC	3.2ml	123 km SE of Atka, Alaska 51.407°, -172.935°	35.0 km	-	-	-	✓ Reviewed	USGS →
A magnitude 3.2 seismic event took place 123 km SE of Atka, Alaska on December 18, 2025 at 22:33 UTC. The hypocenter lay at 35.0 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 51.407°, -172.935°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-12-18 2025-12-18 22:10:35 UTC	2.0ml	113 km N of Yakutat, Alaska 60.570°, -139.754°	11.0 km	-	-	-	✓ Reviewed	USGS →
A magnitude 2.0 seismic event took place 113 km N of Yakutat, Alaska on December 18, 2025 at 22:10 UTC. It arrived roughly 6 hours after a larger magnitude 3.0 mainshock in the same 20 km area, placing it within the typical aftershock window. The event originated approximately 11.0 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 60.570°, -139.754°. 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.
2025-12-18 2025-12-18 22:04:12 UTC	4.0md	32 km NE of Punta Cana, Dominican Republic 18.750°, -68.157°	91.0 km	-	-	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 4.0 earthquake 32 km NE of Punta Cana, Dominican Republic with origin time 22:04 UTC on December 18, 2025. The event originated approximately 91.0 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 18.750°, -68.157°. 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.
2025-12-18 2025-12-18 21:31:10 UTC	2.0ml	114 km N of Yakutat, Alaska 60.564°, -140.020°	12.1 km	-	-	-	✓ Reviewed	USGS →
December 18, 2025 brought a magnitude 2.0 earthquake 114 km N of Yakutat, Alaska, logged at 21:31 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.0 earthquake that occurred about 6 hours earlier. This was a shallow crustal earthquake, focused at 12.1 km depth. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Geolocation places the event at 60.564°N, -140.020°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.
2025-12-18 2025-12-18 21:28:28 UTC	2.1ml	97 km NNE of Yakutat, Alaska 60.401°, -139.356°	3.2 km	-	-	-	✓ Reviewed	USGS →
The USGS recorded this magnitude 2.1 earthquake 97 km NNE of Yakutat, Alaska at 21:28 UTC on December 18, 2025. It arrived roughly 18 hours after a larger magnitude 2.4 mainshock in the same 20 km area, placing it within the typical aftershock window. At a depth of just 3.2 km, this was a very shallow event, close enough to the surface that modest magnitudes can produce significant local shaking. The epicenter is at 60.401°, -139.356°. 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.
2025-12-18 2025-12-18 21:25:29 UTC	2.3md	2 km SE of Pacheco, CA 37.971°, -122.060°	15.7 km	-	-	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 2.3 earthquake 2 km SE of Pacheco, CA with origin time 21:25 UTC on December 18, 2025. The event originated approximately 15.7 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 37.971°N, -122.060°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.
2025-12-18 2025-12-18 21:19:36 UTC	4.7mb	83 km ESE of Manay, Philippines 6.883°, 127.219°	10.0 km	-	-	-	✓ Reviewed	USGS →
December 18, 2025 brought a magnitude 4.7 earthquake 83 km ESE of Manay, Philippines, logged at 21:19 UTC. At a depth of 10.0 km, the event was shallow crustal. The epicenter is at 6.883°, 127.219°. 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.
2025-12-18 2025-12-18 20:56:08 UTC	2.6ml	17 km SSW of Point Possession, Alaska 60.771°, -150.764°	53.7 km	-	-	-	✓ Reviewed	USGS →
On December 18, 2025, worldwide seismic activity registered a magnitude 2.6 earthquake 17 km SSW of Point Possession, Alaska at 20:56 UTC. This was a shallow crustal earthquake, focused at 53.7 km depth. The epicenter is at 60.771°, -150.764°. 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.
2025-12-18 2025-12-18 20:28:49 UTC	2.1ml	100 km N of Yakutat, Alaska 60.440°, -139.546°	7.4 km	-	-	-	✓ Reviewed	USGS →
This magnitude 2.1 event was detected 100 km N of Yakutat, Alaska on December 18, 2025, with origin time 20:28 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.4 earthquake that occurred about 18 hours earlier. The event originated approximately 7.4 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 60.440°N, -139.546°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.
2025-12-18 2025-12-18 20:16:44 UTC	2.0ml	54 km NNE of Chenega, Alaska 60.501°, -147.559°	15.2 km	-	-	-	✓ Reviewed	USGS →
On December 18, 2025 at 20:16 UTC, a magnitude 2.0 earthquake struck 54 km NNE of Chenega, Alaska. The hypocenter lay at 15.2 km, placing this in the shallow crustal category. Coordinates: 60.501°, -147.559°. 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.
2025-12-18 2025-12-18 20:09:34 UTC	5.2mww	Balleny Islands region -61.950°, 162.864°	10.0 km	-	-	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 5.2 earthquake in the Balleny Islands region with origin time 20:09 UTC on December 18, 2025. It ranks as the third largest event in the current dataset. The event originated approximately 10.0 km below the surface, classifying it as shallow crustal. Coordinates: -61.950°, 162.864°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M5.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-12-18 2025-12-18 19:39:19 UTC	2.1ml	117 km N of Yakutat, Alaska 60.595°, -140.012°	5.0 km	-	-	-	✓ Reviewed	USGS →
Reports of a magnitude 2.1 earthquake 117 km N of Yakutat, Alaska came in on December 18, 2025 at 19:39 UTC. Coming 4 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 5.0 km depth. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Coordinates: 60.595°, -140.012°. 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.
2025-12-18 2025-12-18 19:32:57 UTC	4.4mb	153 km SSE of Pondaguitan, Philippines 5.148°, 126.848°	80.3 km	-	-	-	✓ Reviewed	USGS →
December 18, 2025 brought a magnitude 4.4 earthquake 153 km SSE of Pondaguitan, Philippines, logged at 19:32 UTC. This was a intermediate depth earthquake, focused at 80.3 km depth. Geolocation places the event at 5.148°N, 126.848°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.
2025-12-18 2025-12-18 19:31:46 UTC	2.1ml	30 km SSW of Skwentna, Alaska 61.729°, -151.585°	81.9 km	-	-	-	✓ Reviewed	USGS →
A magnitude 2.1 seismic event took place 30 km SSW of Skwentna, Alaska on December 18, 2025 at 19:31 UTC. The hypocenter lay at 81.9 km, placing this in the intermediate depth category. The epicenter is at 61.729°, -151.585°. 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.
2025-12-18 2025-12-18 19:21:31 UTC	2.0ml	108 km N of Yakutat, Alaska 60.523°, -139.851°	11.3 km	-	-	-	✓ Reviewed	USGS →
A magnitude 2.0 earthquake was recorded 108 km N of Yakutat, Alaska on December 18, 2025 at 19:21 UTC. It arrived roughly 4 hours after a larger magnitude 3.0 mainshock in the same 20 km area, placing it within the typical aftershock window. 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. The epicenter is at 60.523°, -139.851°. 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.
2025-12-18 2025-12-18 19:16:50 UTC	2.0ml	101 km N of Yakutat, Alaska 60.460°, -139.763°	14.0 km	-	-	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 2.0 earthquake 101 km N of Yakutat, Alaska with origin time 19:16 UTC on December 18, 2025. This event falls inside the aftershock decay of a nearby magnitude 2.8 earthquake that occurred about 6 hours earlier. The event originated approximately 14.0 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 60.460°N, -139.763°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.
2025-12-18 2025-12-18 19:14:53 UTC	2.1ml	111 km N of Yakutat, Alaska 60.545°, -139.843°	5.0 km	-	-	-	✓ Reviewed	USGS →
December 18, 2025 brought a magnitude 2.1 earthquake 111 km N of Yakutat, Alaska, logged at 19:14 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.0 earthquake that occurred about 3 hours earlier. At a depth of 5.0 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 60.545°N, -139.843°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.
2025-12-18 2025-12-18 18:58:33 UTC	2.3ml	115 km N of Yakutat, Alaska 60.581°, -139.844°	5.0 km	-	-	-	✓ Reviewed	USGS →
On December 18, 2025, worldwide seismic activity registered a magnitude 2.3 earthquake 115 km N of Yakutat, Alaska at 18:58 UTC. Coming 3 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 5.0 km depth. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Coordinates: 60.581°, -139.844°. 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.
2025-12-18 2025-12-18 18:53:22 UTC	2.4ml	52 km ENE of Pedro Bay, Alaska 59.916°, -153.208°	127.6 km	-	-	-	✓ Reviewed	USGS →
At 18:53 UTC on December 18, 2025, a magnitude 2.4 tremor occurred 52 km ENE of Pedro Bay, Alaska. The event originated approximately 127.6 km below the surface, classifying it as intermediate depth. Coordinates: 59.916°, -153.208°. 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.
2025-12-18 2025-12-18 18:43:36 UTC	4.1mb	133 km SSW of Lorengau, Papua New Guinea -3.193°, 146.939°	10.0 km	-	-	-	✓ Reviewed	USGS →
Reports of a magnitude 4.1 earthquake 133 km SSW of Lorengau, Papua New Guinea came in on December 18, 2025 at 18:43 UTC. At a depth of 10.0 km, the event was shallow crustal. Geolocation places the event at -3.193°N, 146.939°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.
2025-12-18 2025-12-18 18:34:21 UTC	2.1ml	114 km N of Yakutat, Alaska 60.565°, -139.949°	5.0 km	-	-	-	✓ Reviewed	USGS →
On December 18, 2025 at 18:34 UTC, a magnitude 2.1 earthquake struck 114 km N of Yakutat, Alaska. Coming 3 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 5.0 km below the surface, classifying it as shallow crustal. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Coordinates: 60.565°, -139.949°. 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.
2025-12-18 2025-12-18 18:07:51 UTC	2.2ml	28 km W of Salamatof, Alaska 60.583°, -151.829°	82.1 km	-	-	-	✓ Reviewed	USGS →
Reports of a magnitude 2.2 earthquake 28 km W of Salamatof, Alaska came in on December 18, 2025 at 18:07 UTC. At a depth of 82.1 km, the event was intermediate depth. The offshore location combined with this depth is characteristic of seismicity along descending slabs. Geolocation places the event at 60.583°N, -151.829°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.
2025-12-18 2025-12-18 18:07:06 UTC	4.8mb	24 km WSW of San Nicolas, Philippines 14.848°, 119.874°	42.6 km	-	-	-	✓ Reviewed	USGS →
A magnitude 4.8 seismic event took place 24 km WSW of San Nicolas, Philippines on December 18, 2025 at 18:07 UTC. The hypocenter lay at 42.6 km, placing this in the shallow crustal category. Coordinates: 14.848°, 119.874°. 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.

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 18, 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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