Earthquakes on December 18, 2025
352
EARTHQUAKES on December 18, 2025
24-hour UTC period · USGS data
38 km deep
Elevated activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
5
M4.0–4.9
37
M3.0–3.9
11
M2.0–2.9
123
M1.0–1.9
176
Activity Summary
352
Total earthquakes
~250
Daily average
Elevated
Activity level
5
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
5.9
93 km ESE of Petropavlovsk-Kamchatsky, Russia
12:37 UTC · 38.0 km deep
5.5
92 km SW of Basco, Philippines
07:27 UTC · 18.0 km deep
Felt by 1
5.2
Balleny Islands region
20:09 UTC · 10.0 km deep
5.2
91 km S of Isangel, Vanuatu
01:59 UTC · 61.5 km deep
5.0
72 km E of Bitung, Indonesia
05:30 UTC · 65.7 km deep
Felt by 2
4.9
99 km ESE of Shikotan, Russia
14:42 UTC · 35.0 km deep
4.9
75 km NNW of Nuku‘alofa, Tonga
03:54 UTC · 173.0 km deep
4.8
250 km SSE of Severo-Kuril’sk, Russia
22:52 UTC · 10.0 km deep
Earthquake Map — December 18, 2025
All Earthquakes — December 18, 2025
Showing 30 of 176 (filtered from 352)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| 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. 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. The event was offshore. 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 event was offshore. 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 event was offshore. 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. 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. This is the deepest earthquake in the current dataset — a deep-focus event. See the M4.6 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 event was offshore. 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 → |
Reports of a magnitude 2.0 earthquake 113 km N of Yakutat, Alaska came in on December 18, 2025 at 22:10 UTC. Coming 6 hours after a magnitude 3.0 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. | ||||||||
2025-12-18 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 was offshore. 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 → |
A magnitude 2.0 seismic event took place 114 km N of Yakutat, Alaska on December 18, 2025 at 21:31 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 was offshore. 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. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. 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 was offshore. 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. 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. 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 was offshore. 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 → |
December 18, 2025 brought a magnitude 2.0 earthquake 54 km NNE of Chenega, Alaska, logged at 20:16 UTC. 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. 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. The event was offshore. 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. 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. 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 → |
On December 18, 2025 at 19:21 UTC, a magnitude 2.0 earthquake struck 108 km N of Yakutat, Alaska. Coming 4 hours after a magnitude 3.0 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. | ||||||||
2025-12-18 2025-12-18 19:16:50 UTC | 2.0ml | 101 km N of Yakutat, Alaska 60.460°, -139.763° | 14.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.0 earthquake was recorded 101 km N of Yakutat, Alaska on December 18, 2025 at 19:16 UTC. It arrived roughly 6 hours after a larger magnitude 2.8 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. | ||||||||
2025-12-18 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. The event was offshore. 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. The event was offshore. 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. 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. 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 was offshore. 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. The event was offshore. 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. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-12-18 2025-12-18 18:02:44 UTC | 3.4ml | 31 km SSE of Minto, Alaska 64.893°, -149.083° | 2.9 km | 36 | IV | - | ✓ Reviewed | USGS → |
Reports of a magnitude 3.4 earthquake 31 km SSE of Minto, Alaska came in on December 18, 2025 at 18:02 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M3.4 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.