Previous dayDecember 17, 2025Next day

Earthquakes on December 17, 2025

357
EARTHQUAKES on December 17, 2025
24-hour UTC period · USGS data
10 km deep · 2 people felt it
Elevated activity
compared to daily average (~250/day)

Magnitude Breakdown

M5.0+
6
M4.0–4.9
33
M3.0–3.9
12
M2.0–2.9
168
M1.0–1.9
138

Activity Summary

357
Total earthquakes
~250
Daily average
Elevated
Activity level
6
M5.0+ events

Geographic Breakdown

Earthquake Map — December 17, 2025

Map showing earthquake epicenter at 20.00°, 0.00°

All Earthquakes — December 17, 2025

Showing 30 of 219 (filtered from 357)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
Time Mag Location Depth Felt MMIAlertStatusDetails
2025-12-17
2025-12-17 23:56:32 UTC
2.8ml
30 km ESE of Alamo, Nevada
37.310°, -114.832°
0.0 km---✓ ReviewedUSGS →
Reports of a magnitude 2.8 earthquake 30 km ESE of Alamo, Nevada came in on December 17, 2025 at 23:56 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-12-17
2025-12-17 23:56:05 UTC
3.5ml
112 km NNW of Yakutat, Alaska
60.526°, -140.184°
5.0 km-III-✓ ReviewedUSGS →
On December 17, 2025 at 23:56 UTC, a magnitude 3.5 earthquake struck 112 km NNW of Yakutat, Alaska. See the M3.5 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-12-17
2025-12-17 23:47:12 UTC
2.1ml
114 km N of Yakutat, Alaska
60.563°, -140.084°
8.5 km---✓ ReviewedUSGS →
Seismographs logged a magnitude 2.1 earthquake 114 km N of Yakutat, Alaska with origin time 23:47 UTC on December 17, 2025. This event falls inside the aftershock decay of a nearby magnitude 2.9 earthquake that occurred about 21 hours earlier. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-12-17
2025-12-17 23:44:52 UTC
2.0ml
112 km N of Yakutat, Alaska
60.549°, -139.894°
5.0 km---✓ ReviewedUSGS →
This magnitude 2.0 event was detected 112 km N of Yakutat, Alaska on December 17, 2025, with origin time 23:44 UTC. Coming 21 hours after a magnitude 2.9 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-12-17
2025-12-17 23:27:04 UTC
2.0ml
104 km N of Yakutat, Alaska
60.486°, -139.808°
2.1 km---✓ ReviewedUSGS →
Reports of a magnitude 2.0 earthquake 104 km N of Yakutat, Alaska came in on December 17, 2025 at 23:27 UTC. It arrived roughly 11 hours after a larger magnitude 3.2 mainshock in the same 20 km area, placing it within the typical aftershock window. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-12-17
2025-12-17 23:22:36 UTC
2.1ml
54 km WSW of Cantwell, Alaska
63.168°, -149.927°
82.4 km---✓ ReviewedUSGS →
On December 17, 2025, worldwide seismic activity registered a magnitude 2.1 earthquake 54 km WSW of Cantwell, Alaska at 23:22 UTC. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-12-17
2025-12-17 23:20:56 UTC
2.0ml
121 km N of Yakutat, Alaska
60.626°, -140.042°
1.7 km---✓ ReviewedUSGS →
A magnitude 2.0 seismic event took place 121 km N of Yakutat, Alaska on December 17, 2025 at 23:20 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.9 earthquake that occurred about 21 hours earlier. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-12-17
2025-12-17 23:07:46 UTC
5.6mww
148 km SSE of Burica, Panama
6.718°, -82.596°
10.0 km2IIIgreen✓ ReviewedUSGS →
On December 17, 2025 at 23:07 UTC, a magnitude 5.6 earthquake struck 148 km SSE of Burica, Panama. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. It is the largest earthquake currently listed for worldwide seismic activity on December 17, 2025. See the M5.6 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-12-17
2025-12-17 23:07:30 UTC
2.1ml
119 km N of Yakutat, Alaska
60.608°, -140.065°
5.0 km---✓ ReviewedUSGS →
At 23:07 UTC on December 17, 2025, a magnitude 2.1 tremor occurred 119 km N of Yakutat, Alaska. It arrived roughly 21 hours after a larger magnitude 2.9 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-12-17
2025-12-17 22:59:14 UTC
2.2ml
109 km N of Yakutat, Alaska
60.524°, -139.858°
5.0 km---✓ ReviewedUSGS →
December 17, 2025 brought a magnitude 2.2 earthquake 109 km N of Yakutat, Alaska, logged at 22:59 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.2 earthquake that occurred about 11 hours earlier. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-12-17
2025-12-17 22:56:18 UTC
2.0ml
6 km ENE of Sprague, Washington
47.324°, -117.891°
-0.7 km---✓ ReviewedUSGS →
December 17, 2025 brought a magnitude 2.0 earthquake 6 km ENE of Sprague, Washington, logged at 22:56 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-12-17
2025-12-17 22:44:21 UTC
4.3mb
181 km SSE of Vilyuchinsk, Russia
51.408°, 159.335°
35.0 km---✓ ReviewedUSGS →
At 22:44 UTC on December 17, 2025, a magnitude 4.3 tremor occurred 181 km SSE of Vilyuchinsk, Russia. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-12-17
2025-12-17 22:33:10 UTC
4.0mb
224 km SSE of Ambon, Indonesia
-5.417°, 129.253°
258.3 km---✓ ReviewedUSGS →
This magnitude 4.0 event was detected 224 km SSE of Ambon, Indonesia on December 17, 2025, with origin time 22:33 UTC. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-12-17
2025-12-17 22:30:07 UTC
5.0mww
82 km SSE of Port-Vila, Vanuatu
-18.443°, 168.567°
95.8 km5--✓ ReviewedUSGS →
At 22:30 UTC on December 17, 2025, a magnitude 5.0 tremor occurred 82 km SSE of Port-Vila, Vanuatu. See the M5.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-12-17
2025-12-17 22:22:51 UTC
2.3ml
31 km W of Anchorage, Alaska
61.195°, -150.490°
39.9 km---✓ ReviewedUSGS →
At 22:22 UTC on December 17, 2025, a magnitude 2.3 tremor occurred 31 km W of Anchorage, Alaska. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-12-17
2025-12-17 22:07:46 UTC
4.4mb
9 km SE of Babino Polje, Croatia
42.683°, 17.654°
10.0 km---✓ ReviewedUSGS →
Reports of a magnitude 4.4 earthquake 9 km SE of Babino Polje, Croatia came in on December 17, 2025 at 22:07 UTC. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-12-17
2025-12-17 21:59:09 UTC
2.2md
8 km NW of The Geysers, CA
38.829°, -122.817°
1.8 km---AutoUSGS →
Reports of a magnitude 2.2 earthquake 8 km NW of The Geysers, CA came in on December 17, 2025 at 21:59 UTC. In the 72 hours after this event, the USGS recorded 3 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-12-17
2025-12-17 21:56:40 UTC
2.0ml
111 km N of Yakutat, Alaska
60.548°, -139.865°
5.3 km---✓ ReviewedUSGS →
On December 17, 2025 at 21:56 UTC, a magnitude 2.0 earthquake struck 111 km N of Yakutat, Alaska. It arrived roughly 10 hours after a larger magnitude 3.2 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-12-17
2025-12-17 21:42:35 UTC
4.5mb
49 km SE of Porto Martins, Portugal
38.364°, -26.654°
11.5 km---✓ ReviewedUSGS →
Seismographs logged a magnitude 4.5 earthquake 49 km SE of Porto Martins, Portugal with origin time 21:42 UTC on December 17, 2025. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-12-17
2025-12-17 21:36:28 UTC
2.6ml
171 km S of Atka, Alaska
50.657°, -173.983°
10.0 km---✓ ReviewedUSGS →
Seismographs logged a magnitude 2.6 earthquake 171 km S of Atka, Alaska with origin time 21:36 UTC on December 17, 2025. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-12-17
2025-12-17 21:24:49 UTC
2.0ml
1 km SSE of Eagle River, Alaska
61.306°, -149.555°
33.6 km---✓ ReviewedUSGS →
A magnitude 2.0 earthquake was recorded 1 km SSE of Eagle River, Alaska on December 17, 2025 at 21:24 UTC. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-12-17
2025-12-17 21:14:57 UTC
2.0ml
32 km WNW of Valdez, Alaska
61.214°, -146.934°
2.2 km---✓ ReviewedUSGS →
Seismographs logged a magnitude 2.0 earthquake 32 km WNW of Valdez, Alaska with origin time 21:14 UTC on December 17, 2025. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-12-17
2025-12-17 21:12:51 UTC
2.0ml
114 km N of Yakutat, Alaska
60.560°, -140.075°
5.0 km---✓ ReviewedUSGS →
On December 17, 2025, worldwide seismic activity registered a magnitude 2.0 earthquake 114 km N of Yakutat, Alaska at 21:12 UTC. It arrived roughly 19 hours after a larger magnitude 2.9 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-12-17
2025-12-17 20:57:09 UTC
2.3ml
26 km SE of Cantwell, Alaska
63.206°, -148.629°
70.1 km---✓ ReviewedUSGS →
The USGS recorded this magnitude 2.3 earthquake 26 km SE of Cantwell, Alaska at 20:57 UTC on December 17, 2025. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-12-17
2025-12-17 20:38:45 UTC
2.2md
3 km WSW of Mesquite, Nevada
36.793°, -114.099°
8.6 km---✓ ReviewedUSGS →
This magnitude 2.2 event was detected 3 km WSW of Mesquite, Nevada on December 17, 2025, with origin time 20:38 UTC. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-12-17
2025-12-17 20:20:58 UTC
4.1mb
155 km S of Alo, Wallis and Futuna
-15.703°, -177.938°
438.8 km---✓ ReviewedUSGS →
At 20:20 UTC on December 17, 2025, a magnitude 4.1 tremor occurred 155 km S of Alo, Wallis and Futuna. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-12-17
2025-12-17 19:57:49 UTC
2.5ml
114 km N of Yakutat, Alaska
60.564°, -140.043°
5.0 km---✓ ReviewedUSGS →
A magnitude 2.5 seismic event took place 114 km N of Yakutat, Alaska on December 17, 2025 at 19:57 UTC. Coming 18 hours after a magnitude 2.9 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-12-17
2025-12-17 19:40:04 UTC
2.0ml
114 km N of Yakutat, Alaska
60.566°, -140.047°
10.7 km---✓ ReviewedUSGS →
At 19:40 UTC on December 17, 2025, a magnitude 2.0 tremor occurred 114 km N of Yakutat, Alaska. This event falls inside the aftershock decay of a nearby magnitude 2.9 earthquake that occurred about 17 hours earlier. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-12-17
2025-12-17 19:15:45 UTC
2.2ml
122 km NNW of Yakutat, Alaska
60.613°, -140.237°
5.0 km---✓ ReviewedUSGS →
On December 17, 2025 at 19:15 UTC, a magnitude 2.2 earthquake struck 122 km NNW of Yakutat, Alaska. Coming 17 hours after a magnitude 2.9 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-12-17
2025-12-17 19:15:24 UTC
2.2md
6 km SE of La Parguera, Puerto Rico
17.935°, -67.006°
5.8 km---✓ ReviewedUSGS →
A magnitude 2.2 seismic event took place 6 km SE of La Parguera, Puerto Rico on December 17, 2025 at 19:15 UTC. It arrived roughly 4 hours after a larger magnitude 2.5 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.2 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 17, 2025. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.