Earthquakes on December 31, 2023
290
EARTHQUAKES on December 31, 2023
24-hour UTC period · USGS data
LARGEST: M5.3 — southwest of Africa
10 km deep
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
2
M4.0–4.9
39
M3.0–3.9
15
M2.0–2.9
67
M1.0–1.9
167
Activity Summary
290
Total earthquakes
~250
Daily average
Normal
Activity level
2
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
5.3
southwest of Africa
15:16 UTC · 10.0 km deep
5.1
South Sandwich Islands region
03:45 UTC · 35.9 km deep
4.9
258 km N of Tobelo, Indonesia
15:23 UTC · 10.0 km deep
4.9
76 km ENE of Baiyin, China
14:27 UTC · 10.0 km deep
Felt by 5
4.8
108 km ESE of Tatsugō, Japan
14:37 UTC · 24.4 km deep
4.8
13 km NW of Sumedang Utara, Indonesia
13:34 UTC · 12.2 km deep
Felt by 23
4.7
88 km NE of Sainte-Marie, Martinique
11:31 UTC · 39.5 km deep
Felt by 5
4.6
180 km SW of Merizo Village, Guam
19:19 UTC · 30.1 km deep
Earthquake Map — December 31, 2023
All Earthquakes — December 31, 2023
Showing 30 of 123 (filtered from 290)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2023-12-31 2023-12-31 23:43:24 UTC | 2.1ml | 54 km SE of Pedro Bay, Alaska 59.471°, -153.363° | 107.2 km | - | - | - | ✓ Reviewed | USGS → |
On December 31, 2023 at 23:43 UTC, a magnitude 2.1 earthquake struck 54 km SE of Pedro Bay, Alaska. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-31 2023-12-31 23:21:41 UTC | 2.2ml | 13 km WSW of Notre-Dame-du-Mont-Carmel, Canada 45.962°, -75.239° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.2 seismic event took place 13 km WSW of Notre-Dame-du-Mont-Carmel, Canada on December 31, 2023 at 23:21 UTC. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-31 2023-12-31 23:18:09 UTC | 4.2mb | 60 km WSW of Angoram, Papua New Guinea -4.259°, 143.560° | 133.5 km | - | - | - | ✓ Reviewed | USGS → |
December 31, 2023 brought a magnitude 4.2 earthquake 60 km WSW of Angoram, Papua New Guinea, logged at 23:18 UTC. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-31 2023-12-31 22:52:31 UTC | 4.2mb | 13 km E of Vanimo, Papua New Guinea -2.689°, 141.421° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On December 31, 2023 at 22:52 UTC, a magnitude 4.2 earthquake struck 13 km E of Vanimo, Papua New Guinea. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-31 2023-12-31 22:48:19 UTC | 4.4mb | 256 km ENE of Levuka, Fiji -17.506°, -178.333° | 540.7 km | - | - | - | ✓ Reviewed | USGS → |
On December 31, 2023, worldwide seismic activity registered a magnitude 4.4 earthquake 256 km ENE of Levuka, Fiji at 22:48 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. | ||||||||
2023-12-31 2023-12-31 22:13:49 UTC | 4.2mb | 54 km NNW of Asan-Maina Village, Guam 13.953°, 144.589° | 193.9 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.2 earthquake was recorded 54 km NNW of Asan-Maina Village, Guam on December 31, 2023 at 22:13 UTC. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-31 2023-12-31 21:57:13 UTC | 2.1ml | 14 km E of Smiley, Texas 29.292°, -97.487° | 7.3 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.1 earthquake was recorded 14 km E of Smiley, Texas on December 31, 2023 at 21:57 UTC. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-31 2023-12-31 21:42:27 UTC | 2.6md | 4 km NE of Yauco, Puerto Rico 18.064°, -66.816° | 14.8 km | - | - | - | ✓ Reviewed | USGS → |
December 31, 2023 brought a magnitude 2.6 earthquake 4 km NE of Yauco, Puerto Rico, logged at 21:42 UTC. It arrived roughly 11 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 M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-31 2023-12-31 21:30:16 UTC | 2.6ml | 25 km W of False Pass, Alaska 54.886°, -163.798° | 150.0 km | - | - | - | ✓ Reviewed | USGS → |
At 21:30 UTC on December 31, 2023, a magnitude 2.6 tremor occurred 25 km W of False Pass, Alaska. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-31 2023-12-31 21:28:52 UTC | 2.3ml | 10 km NE of Pāhala, Hawaii 19.260°, -155.398° | 29.7 km | - | - | - | Auto | USGS → |
At 21:28 UTC on December 31, 2023, a magnitude 2.3 tremor occurred 10 km NE of Pāhala, Hawaii. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-31 2023-12-31 21:21:03 UTC | 2.0ml | 46 km SE of Old Harbor, Alaska 56.955°, -152.693° | 21.0 km | - | - | - | ✓ Reviewed | USGS → |
On December 31, 2023 at 21:21 UTC, a magnitude 2.0 earthquake struck 46 km SE of Old Harbor, Alaska. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-31 2023-12-31 21:02:12 UTC | 2.6ml | 8 km S of Antelope Valley-Crestview, Wyoming 44.146°, -105.463° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.6 earthquake 8 km S of Antelope Valley-Crestview, Wyoming at 21:02 UTC on December 31, 2023. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-31 2023-12-31 20:28:15 UTC | 2.5ml | 10 km SW of Idyllwild, CA 33.679°, -116.797° | 15.7 km | 3 | - | - | ✓ Reviewed | USGS → |
A magnitude 2.5 earthquake was recorded 10 km SW of Idyllwild, CA on December 31, 2023 at 20:28 UTC. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-31 2023-12-31 20:23:46 UTC | 2.9ml | 7 km N of Gillette, Wyoming 44.356°, -105.503° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.9 event was detected 7 km N of Gillette, Wyoming on December 31, 2023, with origin time 20:23 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. | ||||||||
2023-12-31 2023-12-31 20:17:44 UTC | 2.8md | 5 km E of Boonville, CA 39.010°, -123.306° | 4.3 km | 35 | - | - | ✓ Reviewed | USGS → |
A magnitude 2.8 earthquake was recorded 5 km E of Boonville, CA on December 31, 2023 at 20:17 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. | ||||||||
2023-12-31 2023-12-31 19:36:48 UTC | 3.0md | 3 km SW of La Parguera, Puerto Rico 17.955°, -67.074° | 7.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 3.0 earthquake 3 km SW of La Parguera, Puerto Rico with origin time 19:36 UTC on December 31, 2023. The event was offshore. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-31 2023-12-31 19:23:30 UTC | 4.1mb | Kermadec Islands region -28.014°, -177.292° | 91.8 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.1 event was detected in the Kermadec Islands region on December 31, 2023, with origin time 19:23 UTC. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-31 2023-12-31 19:19:14 UTC | 4.6mb | 180 km SW of Merizo Village, Guam 12.273°, 143.349° | 30.1 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.6 earthquake 180 km SW of Merizo Village, Guam came in on December 31, 2023 at 19:19 UTC. The event was offshore. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-31 2023-12-31 19:10:31 UTC | 3.0ml | 22 km NNW of Wright, Wyoming 43.931°, -105.616° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
At 19:10 UTC on December 31, 2023, a magnitude 3.0 tremor occurred 22 km NNW of Wright, Wyoming. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-31 2023-12-31 19:07:02 UTC | 4.0mb | 95 km S of Antofagasta, Chile -24.518°, -70.419° | 38.1 km | - | - | - | ✓ Reviewed | USGS → |
On December 31, 2023 at 19:07 UTC, a magnitude 4.0 earthquake struck 95 km S of Antofagasta, Chile. The event was offshore. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-31 2023-12-31 19:00:31 UTC | 2.0ml | 70 km SW of Nanwalek, Alaska 58.931°, -152.838° | 62.3 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.0 earthquake was recorded 70 km SW of Nanwalek, Alaska on December 31, 2023 at 19:00 UTC. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-31 2023-12-31 19:00:14 UTC | 2.9ml | 78 km SSW of Kaktovik, Alaska 69.444°, -144.035° | 10.6 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.9 earthquake 78 km SSW of Kaktovik, Alaska came in on December 31, 2023 at 19:00 UTC. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-31 2023-12-31 18:05:31 UTC | 4.4mb | 119 km S of Akureyri, Iceland 64.625°, -17.721° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 18:05 UTC on December 31, 2023, a magnitude 4.4 tremor occurred 119 km S of Akureyri, Iceland. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-31 2023-12-31 17:57:43 UTC | 2.0ml | 134 km ESE of Nikolski, Alaska 52.626°, -166.933° | 1.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.0 earthquake 134 km ESE of Nikolski, Alaska with origin time 17:57 UTC on December 31, 2023. This event falls inside the aftershock decay of a nearby magnitude 2.3 earthquake that occurred about 13 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. | ||||||||
2023-12-31 2023-12-31 17:48:00 UTC | 2.2ml | 8 km NW of Delta, B.C., MX 32.408°, -115.257° | 5.7 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.2 earthquake 8 km NW of Delta, B.C., MX at 17:48 UTC on December 31, 2023. Coming 1 hours after a magnitude 2.4 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-31 2023-12-31 17:37:19 UTC | 2.0ml | 7 km NW of Delta, B.C., MX 32.398°, -115.251° | 4.4 km | - | - | - | ✓ Reviewed | USGS → |
December 31, 2023 brought a magnitude 2.0 earthquake 7 km NW of Delta, B.C., MX, logged at 17:37 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.4 earthquake that occurred about 1 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. | ||||||||
2023-12-31 2023-12-31 17:33:49 UTC | 2.3ml | 7 km NW of Delta, B.C., MX 32.397°, -115.249° | 3.8 km | - | - | - | ✓ Reviewed | USGS → |
On December 31, 2023, worldwide seismic activity registered a magnitude 2.3 earthquake 7 km NW of Delta, B.C., MX at 17:33 UTC. It arrived roughly 1 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 M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-31 2023-12-31 17:29:34 UTC | 2.4ml | 8 km NW of Delta, B.C., MX 32.398°, -115.261° | 5.3 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.4 event was detected 8 km NW of Delta, B.C., MX on December 31, 2023, with origin time 17:29 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 M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-31 2023-12-31 17:06:05 UTC | 4.4mwr | 30 km SE of Hakkâri, Turkey 37.376°, 43.986° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.4 earthquake 30 km SE of Hakkâri, Turkey at 17:06 UTC on December 31, 2023. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-31 2023-12-31 17:04:48 UTC | 4.6mb | south of the Fiji Islands -24.283°, 179.807° | 516.5 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.6 seismic event took place south of the Fiji Islands on December 31, 2023 at 17:04 UTC. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.6 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 31, 2023. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.