Earthquakes on December 23, 2025
307
EARTHQUAKES on December 23, 2025
24-hour UTC period · USGS data
LARGEST: M5.6 — 54 km N of Port-Olry, Vanuatu
157 km deep · 2 people felt it
Elevated activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
5
M4.0–4.9
26
M3.0–3.9
11
M2.0–2.9
73
M1.0–1.9
192
Activity Summary
307
Total earthquakes
~250
Daily average
Elevated
Activity level
5
M5.0+ events
Geographic Breakdown
By US State
Significant Earthquakes (M4.5+)
5.6
54 km N of Port-Olry, Vanuatu
20:41 UTC · 157.0 km deep
Felt by 2
5.2
119 km NNW of Finschhafen, Papua New Guinea
09:54 UTC · 208.2 km deep
5.2
160 km SSE of Shima, Japan
09:44 UTC · 334.2 km deep
Felt by 2
5.1
122 km NW of Türkmenbaşy, Turkmenistan
04:32 UTC · 49.3 km deep
5.0
South Sandwich Islands region
12:16 UTC · 10.0 km deep
4.8
West Chile Rise
04:31 UTC · 10.0 km deep
4.7
162 km SE of Severo-Kuril’sk, Russia
19:49 UTC · 10.0 km deep
4.7
Kermadec Islands region
03:54 UTC · 10.0 km deep
Earthquake Map — December 23, 2025
All Earthquakes — December 23, 2025
Showing 30 of 115 (filtered from 307)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2025-12-23 2025-12-23 23:33:04 UTC | 2.9ml | 28 km WNW of Elfin Cove, Alaska 58.288°, -136.802° | 9.9 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.9 earthquake 28 km WNW of Elfin Cove, Alaska with origin time 23:33 UTC on December 23, 2025. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-12-23 2025-12-23 23:23:18 UTC | 2.6ml | 87 km SSE of Sand Point, Alaska 54.569°, -160.219° | 18.4 km | - | - | - | ✓ Reviewed | USGS → |
At 23:23 UTC on December 23, 2025, a magnitude 2.6 tremor occurred 87 km SSE of Sand Point, Alaska. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-12-23 2025-12-23 23:01:01 UTC | 4.0mb | Pagan region, Northern Mariana Islands 18.114°, 145.474° | 297.6 km | - | - | - | ✓ Reviewed | USGS → |
On December 23, 2025 at 23:01 UTC, a magnitude 4.0 earthquake struck in the Pagan region, Northern Mariana Islands. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-12-23 2025-12-23 22:43:05 UTC | 4.1mb | 105 km SW of Fīrūzābād, Iran 28.295°, 51.692° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.1 event was detected 105 km SW of Fīrūzābād, Iran on December 23, 2025, with origin time 22:43 UTC. The event was offshore. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-12-23 2025-12-23 22:33:40 UTC | 2.4ml | 26 km W of Old Harbor, Alaska 57.178°, -153.735° | 7.6 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.4 event was detected 26 km W of Old Harbor, Alaska on December 23, 2025, with origin time 22:33 UTC. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-12-23 2025-12-23 22:28:35 UTC | 2.4ml | 42 km WNW of Happy Valley, Alaska 60.081°, -152.445° | 97.9 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.4 earthquake 42 km WNW of Happy Valley, Alaska came in on December 23, 2025 at 22:28 UTC. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-12-23 2025-12-23 22:26:59 UTC | 2.1ml | 88 km WSW of Adak, Alaska 51.462°, -177.720° | 23.3 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.1 seismic event took place 88 km WSW of Adak, Alaska on December 23, 2025 at 22:26 UTC. Coming 11 hours after a magnitude 2.2 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-12-23 2025-12-23 22:04:44 UTC | 4.1mb | 101 km WSW of Gunungsitoli, Indonesia 0.800°, 96.847° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.1 earthquake 101 km WSW of Gunungsitoli, Indonesia came in on December 23, 2025 at 22:04 UTC. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-12-23 2025-12-23 22:00:52 UTC | 2.4ml | 3 km N of Point MacKenzie, Alaska 61.387°, -149.969° | 23.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.4 seismic event took place 3 km N of Point MacKenzie, Alaska on December 23, 2025 at 22:00 UTC. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-12-23 2025-12-23 21:54:17 UTC | 2.0ml | 71 km WSW of Nanwalek, Alaska 59.178°, -153.123° | 78.8 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.0 event was detected 71 km WSW of Nanwalek, Alaska on December 23, 2025, with origin time 21:54 UTC. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-12-23 2025-12-23 21:49:39 UTC | 3.1ml | 15 km NNE of Maeser, Utah 40.606°, -109.529° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.1 seismic event took place 15 km NNE of Maeser, Utah on December 23, 2025 at 21:49 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-12-23 2025-12-23 21:45:22 UTC | 2.2ml | 99 km N of Yakutat, Alaska 60.427°, -139.463° | 3.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.2 earthquake 99 km N of Yakutat, Alaska at 21:45 UTC on December 23, 2025. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-12-23 2025-12-23 21:33:50 UTC | 2.3ml | 85 km SSE of Akutan, Alaska 53.413°, -165.330° | 20.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.3 earthquake 85 km SSE of Akutan, Alaska came in on December 23, 2025 at 21:33 UTC. Coming 1 hours after a magnitude 2.4 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-12-23 2025-12-23 21:31:38 UTC | 2.4ml | 73 km SSE of Akutan, Alaska 53.532°, -165.320° | 26.4 km | - | - | - | ✓ Reviewed | USGS → |
December 23, 2025 brought a magnitude 2.4 earthquake 73 km SSE of Akutan, Alaska, logged at 21:31 UTC. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-12-23 2025-12-23 21:31:13 UTC | 2.4ml | 84 km SSE of Akutan, Alaska 53.445°, -165.244° | 32.6 km | - | - | - | ✓ Reviewed | USGS → |
On December 23, 2025 at 21:31 UTC, a magnitude 2.4 earthquake struck 84 km SSE of Akutan, Alaska. This event falls inside the aftershock decay of a nearby magnitude 3.6 earthquake that occurred about 13 hours earlier. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-12-23 2025-12-23 21:11:58 UTC | 2.0ml | 60 km SE of Denali National Park, Alaska 63.237°, -150.711° | 130.4 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.0 earthquake 60 km SE of Denali National Park, Alaska came in on December 23, 2025 at 21:11 UTC. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-12-23 2025-12-23 20:57:44 UTC | 2.0ml | 83 km N of Yakutat, Alaska 60.292°, -139.915° | 2.5 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.0 seismic event took place 83 km N of Yakutat, Alaska on December 23, 2025 at 20:57 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. | ||||||||
2025-12-23 2025-12-23 20:53:53 UTC | 2.7ml | 52 km SSW of Whites City, New Mexico 31.717°, -104.511° | 6.1 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.7 seismic event took place 52 km SSW of Whites City, New Mexico on December 23, 2025 at 20:53 UTC. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-12-23 2025-12-23 20:41:57 UTC | 5.6mww | 54 km N of Port-Olry, Vanuatu -14.556°, 167.138° | 157.0 km | 2 | III | green | ✓ Reviewed | USGS → |
On December 23, 2025 at 20:41 UTC, a magnitude 5.6 earthquake struck 54 km N of Port-Olry, Vanuatu. 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 23, 2025. See the M5.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-12-23 2025-12-23 20:32:22 UTC | 4.5mb | south of the Fiji Islands -24.960°, 179.802° | 520.3 km | - | - | - | ✓ Reviewed | USGS → |
December 23, 2025 brought a magnitude 4.5 earthquake south of the Fiji Islands, logged at 20:32 UTC. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-12-23 2025-12-23 20:21:37 UTC | 2.6ml | 115 km N of Yakutat, Alaska 60.580°, -139.681° | 5.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.6 earthquake 115 km N of Yakutat, Alaska at 20:21 UTC on December 23, 2025. This event falls inside the aftershock decay of a nearby magnitude 3.2 earthquake that occurred about 18 hours earlier. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-12-23 2025-12-23 20:04:38 UTC | 2.3ml | 5 km SSW of Happy Valley, Alaska 59.903°, -151.760° | 76.5 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.3 seismic event took place 5 km SSW of Happy Valley, Alaska on December 23, 2025 at 20:04 UTC. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-12-23 2025-12-23 20:03:28 UTC | 4.6mb | 209 km ESE of Ozernovskiy, Russia 51.105°, 159.444° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.6 seismic event took place 209 km ESE of Ozernovskiy, Russia on December 23, 2025 at 20:03 UTC. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-12-23 2025-12-23 20:03:20 UTC | 4.4mb | 195 km SSE of Lata, Solomon Islands -12.224°, 166.753° | 199.0 km | - | - | - | ✓ Reviewed | USGS → |
On December 23, 2025, worldwide seismic activity registered a magnitude 4.4 earthquake 195 km SSE of Lata, Solomon Islands at 20:03 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-12-23 2025-12-23 19:49:17 UTC | 4.7mb | 162 km SE of Severo-Kuril’sk, Russia 49.699°, 157.817° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.7 event was detected 162 km SE of Severo-Kuril’sk, Russia on December 23, 2025, with origin time 19:49 UTC. The event was offshore. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-12-23 2025-12-23 19:38:04 UTC | 2.3ml | 6 km N of Diamond Ridge, Alaska 59.733°, -151.549° | 56.8 km | - | - | - | ✓ Reviewed | USGS → |
December 23, 2025 brought a magnitude 2.3 earthquake 6 km N of Diamond Ridge, Alaska, logged at 19:38 UTC. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-12-23 2025-12-23 19:34:49 UTC | 2.4ml | 122 km WSW of Adak, Alaska 51.329°, -178.172° | 11.6 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.4 earthquake was recorded 122 km WSW of Adak, Alaska on December 23, 2025 at 19:34 UTC. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-12-23 2025-12-23 19:29:02 UTC | 2.3ml | 60 km SSE of Adak, Alaska 51.414°, -176.159° | 25.9 km | - | - | - | ✓ Reviewed | USGS → |
On December 23, 2025 at 19:29 UTC, a magnitude 2.3 earthquake struck 60 km SSE of Adak, Alaska. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-12-23 2025-12-23 18:51:40 UTC | 3.1ml | 47 km SE of Adak, Alaska 51.598°, -176.115° | 62.1 km | - | - | - | ✓ Reviewed | USGS → |
December 23, 2025 brought a magnitude 3.1 earthquake 47 km SE of Adak, Alaska, logged at 18:51 UTC. The event was offshore. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-12-23 2025-12-23 18:34:14 UTC | 2.8ml | 91 km ESE of Chalkyitsik, Alaska 66.317°, -141.842° | 9.8 km | - | - | - | ✓ Reviewed | USGS → |
At 18:34 UTC on December 23, 2025, a magnitude 2.8 tremor occurred 91 km ESE of Chalkyitsik, Alaska. See the M2.8 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 23, 2025. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.