Earthquakes on December 12, 2023
328
EARTHQUAKES on December 12, 2023
24-hour UTC period · USGS data
LARGEST: M5.8 — 155 km WNW of Neiafu, Tonga
265 km deep · 2 people felt it
Elevated activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
9
M4.0–4.9
45
M3.0–3.9
15
M2.0–2.9
59
M1.0–1.9
200
Activity Summary
328
Total earthquakes
~250
Daily average
Elevated
Activity level
9
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
5.8
155 km WNW of Neiafu, Tonga
04:00 UTC · 265.0 km deep
Felt by 2
5.7
103 km ESE of Fangale’ounga, Tonga
12:54 UTC · 11.0 km deep
5.5
104 km NE of Hihifo, Tonga
05:33 UTC · 10.0 km deep
Felt by 2
5.3
Southwest Indian Ridge
07:44 UTC · 10.0 km deep
5.1
38 km NE of Hinatuan, Philippines
13:58 UTC · 42.5 km deep
Felt by 6
5.1
109 km SE of Kimbe, Papua New Guinea
13:11 UTC · 10.0 km deep
5.1
175 km S of Taliwang, Indonesia
00:37 UTC · 35.0 km deep
5.0
54 km E of Aras-asan, Philippines
03:06 UTC · 35.0 km deep
Earthquake Map — December 12, 2023
All Earthquakes — December 12, 2023
Showing 30 of 128 (filtered from 328)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2023-12-12 2023-12-12 23:41:01 UTC | 2.9ml | 58 km ESE of Chignik, Alaska 56.145°, -157.500° | 43.0 km | - | - | - | ✓ Reviewed | USGS → |
On December 12, 2023 at 23:41 UTC, a magnitude 2.9 earthquake struck 58 km ESE of Chignik, Alaska. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-12 2023-12-12 23:32:11 UTC | 2.4ml | 6 km S of Volcano, Hawaii 19.382°, -155.235° | 2.1 km | - | - | - | ✓ Reviewed | USGS → |
At 23:32 UTC on December 12, 2023, a magnitude 2.4 tremor occurred 6 km S of Volcano, Hawaii. It arrived roughly 1 hours after a larger magnitude 2.9 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 M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-12 2023-12-12 23:08:28 UTC | 2.5ml | 42 km SW of Adak, Alaska 51.592°, -177.047° | 36.8 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.5 earthquake 42 km SW of Adak, Alaska with origin time 23:08 UTC on December 12, 2023. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-12 2023-12-12 23:05:36 UTC | 3.3ml | 51 km SSW of Whites City, New Mexico 31.729°, -104.541° | 5.4 km | - | III | - | ✓ Reviewed | USGS → |
On December 12, 2023, worldwide seismic activity registered a magnitude 3.3 earthquake 51 km SSW of Whites City, New Mexico at 23:05 UTC. It arrived roughly 3 hours after a larger magnitude 3.4 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M3.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-12 2023-12-12 22:31:42 UTC | 2.0ml | 6 km S of Volcano, Hawaii 19.382°, -155.240° | 1.9 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.0 event was detected 6 km S of Volcano, Hawaii on December 12, 2023, with origin time 22:31 UTC. Coming 1 hours after a magnitude 2.9 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. 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. | ||||||||
2023-12-12 2023-12-12 22:26:09 UTC | 2.9ml | 6 km S of Volcano, Hawaii 19.383°, -155.238° | 1.6 km | 2 | - | - | ✓ Reviewed | USGS → |
December 12, 2023 brought a magnitude 2.9 earthquake 6 km S of Volcano, Hawaii, logged at 22:26 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-12 2023-12-12 22:12:57 UTC | 2.3ml | 6 km S of Volcano, Hawaii 19.384°, -155.242° | 1.8 km | - | - | - | ✓ Reviewed | USGS → |
On December 12, 2023 at 22:12 UTC, a magnitude 2.3 earthquake struck 6 km S of Volcano, Hawaii. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-12 2023-12-12 22:03:56 UTC | 2.5ml | 47 km W of Mentone, Texas 31.738°, -104.103° | 6.7 km | - | - | - | ✓ Reviewed | USGS → |
On December 12, 2023, worldwide seismic activity registered a magnitude 2.5 earthquake 47 km W of Mentone, Texas at 22:03 UTC. Coming 19 hours after a magnitude 3.6 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. | ||||||||
2023-12-12 2023-12-12 21:42:52 UTC | 4.6mb | 11 km NE of Gamut, Philippines 8.601°, 126.314° | 70.0 km | 1 | - | - | ✓ Reviewed | USGS → |
A magnitude 4.6 seismic event took place 11 km NE of Gamut, Philippines on December 12, 2023 at 21:42 UTC. The event was offshore. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-12 2023-12-12 21:35:56 UTC | 2.2ml | 59 km ENE of Pedro Bay, Alaska 59.899°, -153.069° | 119.5 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.2 earthquake 59 km ENE of Pedro Bay, Alaska with origin time 21:35 UTC on December 12, 2023. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-12 2023-12-12 21:30:13 UTC | 2.5md | 6 km E of Santa Rosa, CA 38.446°, -122.636° | 9.5 km | 68 | - | - | ✓ Reviewed | USGS → |
A magnitude 2.5 earthquake was recorded 6 km E of Santa Rosa, CA on December 12, 2023 at 21:30 UTC. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-12 2023-12-12 21:07:08 UTC | 4.6mb | 1 km W of San Felipe, Guatemala 14.623°, -91.610° | 115.4 km | 1 | - | - | ✓ Reviewed | USGS → |
December 12, 2023 brought a magnitude 4.6 earthquake 1 km W of San Felipe, Guatemala, logged at 21:07 UTC. The event was offshore. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-12 2023-12-12 20:42:51 UTC | 2.3ml | 78 km N of White Mountain, Alaska 65.379°, -163.179° | 9.9 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.3 earthquake 78 km N of White Mountain, Alaska with origin time 20:42 UTC on December 12, 2023. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-12 2023-12-12 20:32:01 UTC | 4.3mwr | 84 km WSW of Atka, Alaska 51.803°, -175.258° | 47.8 km | - | II | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.3 earthquake 84 km WSW of Atka, Alaska came in on December 12, 2023 at 20:32 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-12 2023-12-12 20:31:11 UTC | 3.4ml | 55 km S of Whites City, New Mexico 31.675°, -104.388° | 7.1 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.4 earthquake was recorded 55 km S of Whites City, New Mexico on December 12, 2023 at 20:31 UTC. In the 72 hours after this event, the USGS recorded 4 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-12 2023-12-12 20:09:20 UTC | 4.3mb | 64 km NE of Barcelona, Philippines 8.499°, 126.913° | 30.2 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.3 seismic event took place 64 km NE of Barcelona, Philippines on December 12, 2023 at 20:09 UTC. Coming 4 hours after a magnitude 4.7 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-12 2023-12-12 20:07:17 UTC | 4.3mb | 81 km NE of Mawlaik, Myanmar 24.246°, 94.865° | 118.7 km | - | - | - | ✓ Reviewed | USGS → |
December 12, 2023 brought a magnitude 4.3 earthquake 81 km NE of Mawlaik, Myanmar, logged at 20:07 UTC. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-12 2023-12-12 20:00:13 UTC | 4.3mb | Fiji region -18.140°, -177.799° | 576.9 km | - | - | - | ✓ Reviewed | USGS → |
On December 12, 2023 at 20:00 UTC, a magnitude 4.3 earthquake struck in the Fiji region. This is the deepest earthquake in the current dataset — a deep-focus event. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-12 2023-12-12 19:57:55 UTC | 2.0ml | 55 km S of Whites City, New Mexico 31.678°, -104.389° | 6.7 km | - | - | - | ✓ Reviewed | USGS → |
December 12, 2023 brought a magnitude 2.0 earthquake 55 km S of Whites City, New Mexico, logged at 19:57 UTC. Coming 14 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. | ||||||||
2023-12-12 2023-12-12 19:49:50 UTC | 3.0ml | 75 km SSE of Nikolski, Alaska 52.351°, -168.306° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.0 seismic event took place 75 km SSE of Nikolski, Alaska on December 12, 2023 at 19:49 UTC. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-12 2023-12-12 19:49:01 UTC | 2.1md | 2 km NNE of Canyondam, CA 40.187°, -121.067° | 8.0 km | - | - | - | ✓ Reviewed | USGS → |
On December 12, 2023 at 19:49 UTC, a magnitude 2.1 earthquake struck 2 km NNE of Canyondam, CA. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-12 2023-12-12 19:46:45 UTC | 2.8ml | 27 km SSW of Ocotillo Wells, CA 32.922°, -116.255° | 10.9 km | 5 | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.8 earthquake 27 km SSW of Ocotillo Wells, CA with origin time 19:46 UTC on December 12, 2023. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-12 2023-12-12 19:12:49 UTC | 2.2ml | 51 km ENE of Pedro Bay, Alaska 60.025°, -153.315° | 138.9 km | - | - | - | ✓ Reviewed | USGS → |
On December 12, 2023, worldwide seismic activity registered a magnitude 2.2 earthquake 51 km ENE of Pedro Bay, Alaska at 19:12 UTC. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-12 2023-12-12 18:44:13 UTC | 4.3mb | 30 km ENE of Hinatuan, Philippines 8.445°, 126.600° | 47.7 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.3 earthquake was recorded 30 km ENE of Hinatuan, Philippines on December 12, 2023 at 18:44 UTC. Coming 5 hours after a magnitude 5.1 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-12 2023-12-12 18:21:46 UTC | 2.2ml | 40 km ENE of Pedro Bay, Alaska 59.864°, -153.396° | 138.6 km | - | - | - | ✓ Reviewed | USGS → |
At 18:21 UTC on December 12, 2023, a magnitude 2.2 tremor occurred 40 km ENE of Pedro Bay, Alaska. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-12 2023-12-12 18:10:28 UTC | 4.4mb | 20 km ENE of Hinatuan, Philippines 8.423°, 126.515° | 50.1 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.4 earthquake 20 km ENE of Hinatuan, Philippines with origin time 18:10 UTC on December 12, 2023. Coming 10 hours after a magnitude 4.8 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-12 2023-12-12 17:49:47 UTC | 4.6mb | 56 km ENE of Barcelona, Philippines 8.404°, 126.879° | 36.0 km | - | - | - | ✓ Reviewed | USGS → |
On December 12, 2023 at 17:49 UTC, a magnitude 4.6 earthquake struck 56 km ENE of Barcelona, Philippines. Coming 2 hours after a magnitude 4.7 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-12 2023-12-12 17:31:18 UTC | 4.3mb | Fiji region -16.957°, -177.305° | 396.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.3 earthquake in the Fiji region with origin time 17:31 UTC on December 12, 2023. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-12 2023-12-12 17:03:31 UTC | 4.4mb | 262 km WNW of Ozernovskiy, Russia 52.116°, 152.821° | 436.6 km | - | - | - | ✓ Reviewed | USGS → |
On December 12, 2023, worldwide seismic activity registered a magnitude 4.4 earthquake 262 km WNW of Ozernovskiy, Russia at 17:03 UTC. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-12 2023-12-12 16:54:16 UTC | 2.2ml | 167 km NE of Dawson City, Canada 65.124°, -136.978° | 23.1 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.2 earthquake 167 km NE of Dawson City, Canada at 16:54 UTC on December 12, 2023. 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 12, 2023. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.