Earthquakes on December 14, 2023
313
EARTHQUAKES on December 14, 2023
24-hour UTC period · USGS data
LARGEST: M5.6 — southern East Pacific Rise
10 km deep
Elevated activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
8
M4.0–4.9
47
M3.0–3.9
9
M2.0–2.9
65
M1.0–1.9
184
Activity Summary
313
Total earthquakes
~250
Daily average
Elevated
Activity level
8
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
5.6
southern East Pacific Rise
09:29 UTC · 10.0 km deep
5.4
24 km SSW of Nueva Concepción, Guatemala
17:55 UTC · 78.2 km deep
Felt by 40
5.2
South Sandwich Islands region
16:57 UTC · 35.3 km deep
5.2
52 km WNW of San Antonio de los Cobres, Argentina
14:57 UTC · 189.7 km deep
5.0
Maug Islands region, Northern Mariana Islands
19:45 UTC · 21.8 km deep
5.0
70 km SW of Puerto Madero, Mexico
16:21 UTC · 42.0 km deep
05.0
northern Mid-Atlantic Ridge
06:52 UTC · 10.0 km deep
5.0
59 km SW of Modisi, Indonesia
01:05 UTC · 104.3 km deep
Earthquake Map — December 14, 2023

All Earthquakes — December 14, 2023
Showing 30 of 129 (filtered from 313)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2023-12-14 2023-12-14 23:30:24 UTC | 4.5mb | 197 km ENE of Barcelona, Philippines 8.726°, 128.133° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On December 14, 2023, worldwide seismic activity registered a magnitude 4.5 earthquake 197 km ENE of Barcelona, Philippines at 23:30 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-14 2023-12-14 23:13:37 UTC | 2.9ml | 194 km SSE of Unalaska, Alaska 52.327°, -165.193° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.9 event was detected 194 km SSE of Unalaska, Alaska on December 14, 2023, with origin time 23:13 UTC. 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. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-14 2023-12-14 23:10:27 UTC | 4.4mb | 130 km ENE of Barcelona, Philippines 8.655°, 127.507° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.4 seismic event took place 130 km ENE of Barcelona, Philippines on December 14, 2023 at 23:10 UTC. This event falls inside the aftershock decay of a nearby magnitude 4.7 earthquake that occurred about 1 hours earlier. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-14 2023-12-14 23:04:56 UTC | 4.4mb | Maug Islands region, Northern Mariana Islands 19.958°, 145.357° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
December 14, 2023 brought a magnitude 4.4 earthquake in the Maug Islands region, Northern Mariana Islands, logged at 23:04 UTC. Coming 3 hours after a magnitude 5.0 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. | ||||||||
2023-12-14 2023-12-14 23:03:34 UTC | 4.3mb | 94 km ENE of Barcelona, Philippines 8.515°, 127.213° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.3 seismic event took place 94 km ENE of Barcelona, Philippines on December 14, 2023 at 23:03 UTC. Coming 18 hours after a magnitude 4.9 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. | ||||||||
2023-12-14 2023-12-14 22:44:01 UTC | 4.7mb | 117 km E of Aras-asan, Philippines 8.749°, 127.375° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On December 14, 2023, worldwide seismic activity registered a magnitude 4.7 earthquake 117 km E of Aras-asan, Philippines at 22:44 UTC. The event was offshore. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-14 2023-12-14 22:32:58 UTC | 4.6mb | 2 km SSW of Toygarlı, Turkey 36.192°, 36.059° | 10.0 km | 4 | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.6 earthquake 2 km SSW of Toygarlı, Turkey came in on December 14, 2023 at 22:32 UTC. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-14 2023-12-14 22:25:31 UTC | 2.3ml | 2 km ESE of Blue Diamond, Nevada 36.040°, -115.377° | 0.0 km | 2 | - | - | ✓ Reviewed | USGS → |
December 14, 2023 brought a magnitude 2.3 earthquake 2 km ESE of Blue Diamond, Nevada, logged at 22:25 UTC. 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. | ||||||||
2023-12-14 2023-12-14 22:23:06 UTC | 4.5mb | Kermadec Islands region -31.137°, -178.831° | 76.8 km | - | - | - | ✓ Reviewed | USGS → |
At 22:23 UTC on December 14, 2023, a magnitude 4.5 tremor occurred in the Kermadec Islands region. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-14 2023-12-14 22:20:32 UTC | 2.3ml | 113 km ESE of Akutan, Alaska 53.819°, -164.122° | 25.5 km | - | - | - | ✓ Reviewed | USGS → |
On December 14, 2023 at 22:20 UTC, a magnitude 2.3 earthquake struck 113 km ESE of Akutan, Alaska. This event falls inside the aftershock decay of a nearby magnitude 2.8 earthquake that occurred about 1 hours earlier. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-14 2023-12-14 22:13:34 UTC | 2.8ml | 115 km ESE of Akutan, Alaska 53.753°, -164.136° | 30.1 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.8 earthquake was recorded 115 km ESE of Akutan, Alaska on December 14, 2023 at 22:13 UTC. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-14 2023-12-14 22:06:19 UTC | 2.0ml | 36 km ENE of Pedro Bay, Alaska 59.954°, -153.552° | 149.1 km | - | - | - | ✓ Reviewed | USGS → |
On December 14, 2023, worldwide seismic activity registered a magnitude 2.0 earthquake 36 km ENE of Pedro Bay, Alaska at 22:06 UTC. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-14 2023-12-14 22:05:05 UTC | 4.6mb | 31 km ENE of Cortes, Philippines 9.348°, 126.470° | 38.5 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.6 seismic event took place 31 km ENE of Cortes, Philippines on December 14, 2023 at 22:05 UTC. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-14 2023-12-14 21:56:15 UTC | 2.4ml | 14 km NE of Pāhala, Hawaii 19.290°, -155.380° | 2.8 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.4 seismic event took place 14 km NE of Pāhala, Hawaii on December 14, 2023 at 21:56 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.9 earthquake that occurred about 20 hours earlier. 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. | ||||||||
2023-12-14 2023-12-14 21:44:01 UTC | 3.7md | 168 km NNE of Cruz Bay, U.S. Virgin Islands 19.784°, -64.326° | 40.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.7 seismic event took place 168 km NNE of Cruz Bay, U.S. Virgin Islands on December 14, 2023 at 21:44 UTC. See the M3.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-14 2023-12-14 21:29:46 UTC | 3.8mb | 87 km SSW of Atka, Alaska 51.482°, -174.739° | 46.0 km | - | I | - | ✓ Reviewed | USGS → |
This magnitude 3.8 event was detected 87 km SSW of Atka, Alaska on December 14, 2023, with origin time 21:29 UTC. See the M3.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-14 2023-12-14 21:14:17 UTC | 2.6ml | 71 km SSE of Ugashik, Alaska 56.921°, -156.924° | 77.0 km | - | - | - | ✓ Reviewed | USGS → |
December 14, 2023 brought a magnitude 2.6 earthquake 71 km SSE of Ugashik, Alaska, logged at 21:14 UTC. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-14 2023-12-14 21:04:40 UTC | 2.1md | 11 km SE of Pinnacles, CA 36.470°, -121.048° | 7.7 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.1 seismic event took place 11 km SE of Pinnacles, CA on December 14, 2023 at 21:04 UTC. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-14 2023-12-14 20:43:17 UTC | 3.6md | 153 km NNE of Cruz Bay, U.S. Virgin Islands 19.687°, -64.509° | 19.0 km | - | - | - | ✓ Reviewed | USGS → |
December 14, 2023 brought a magnitude 3.6 earthquake 153 km NNE of Cruz Bay, U.S. Virgin Islands, logged at 20:43 UTC. Coming 8 hours after a magnitude 3.9 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M3.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-14 2023-12-14 20:37:21 UTC | 2.8ml | 5 km SW of Prineville, Oregon 44.262°, -120.885° | -1.6 km | 9 | - | - | ✓ Reviewed | USGS → |
This magnitude 2.8 event was detected 5 km SW of Prineville, Oregon on December 14, 2023, with origin time 20:37 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. | ||||||||
2023-12-14 2023-12-14 20:25:09 UTC | 2.2ml | 31 km NE of Petersville, Alaska 62.711°, -150.361° | 78.3 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.2 earthquake 31 km NE of Petersville, Alaska came in on December 14, 2023 at 20:25 UTC. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-14 2023-12-14 20:21:09 UTC | 4.5mb | Fiji region -18.660°, -177.629° | 564.3 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.5 earthquake in the Fiji region at 20:21 UTC on December 14, 2023. This event falls inside the aftershock decay of a nearby magnitude 4.9 earthquake that occurred about 1 hours earlier. 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. | ||||||||
2023-12-14 2023-12-14 20:20:15 UTC | 4.9mb | Fiji region -18.741°, -177.677° | 595.3 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.9 seismic event took place in the Fiji region on December 14, 2023 at 20:20 UTC. This is the deepest earthquake in the current dataset — a deep-focus event. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-14 2023-12-14 20:08:31 UTC | 2.1ml | 66 km SSW of Shungnak, Alaska 66.301°, -157.442° | 8.2 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.1 earthquake 66 km SSW of Shungnak, Alaska at 20:08 UTC on December 14, 2023. This event falls inside the aftershock decay of a nearby magnitude 2.6 earthquake that occurred about 1 hours earlier. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-14 2023-12-14 19:45:09 UTC | 5.0mww | Maug Islands region, Northern Mariana Islands 19.947°, 145.436° | 21.8 km | - | - | - | ✓ Reviewed | USGS → |
At 19:45 UTC on December 14, 2023, a magnitude 5.0 tremor occurred in the Maug Islands region, Northern Mariana Islands. See the M5.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-14 2023-12-14 19:41:10 UTC | 2.2md | 3 km WSW of Pāhala, Hawaii 19.185°, -155.507° | 29.2 km | - | - | - | Auto | USGS → |
The USGS recorded this magnitude 2.2 earthquake 3 km WSW of Pāhala, Hawaii at 19:41 UTC on December 14, 2023. 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. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-14 2023-12-14 19:38:10 UTC | 2.6ml | 67 km SSW of Shungnak, Alaska 66.299°, -157.519° | 19.5 km | - | - | - | ✓ Reviewed | USGS → |
On December 14, 2023 at 19:38 UTC, a magnitude 2.6 earthquake struck 67 km SSW of Shungnak, Alaska. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-14 2023-12-14 19:34:04 UTC | 2.4ml | 13 km NE of Pāhala, Hawaii 19.286°, -155.379° | 2.5 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.4 event was detected 13 km NE of Pāhala, Hawaii on December 14, 2023, with origin time 19:34 UTC. It arrived roughly 17 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. | ||||||||
2023-12-14 2023-12-14 19:23:57 UTC | 2.0ml | 65 km WSW of Atka, Alaska 51.897°, -175.018° | 61.2 km | - | - | - | ✓ Reviewed | USGS → |
At 19:23 UTC on December 14, 2023, a magnitude 2.0 tremor occurred 65 km WSW of Atka, Alaska. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-14 2023-12-14 19:06:14 UTC | 4.3mb | 125 km ESE of Fangale’ounga, Tonga -20.201°, -173.218° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
December 14, 2023 brought a magnitude 4.3 earthquake 125 km ESE of Fangale’ounga, Tonga, logged at 19:06 UTC. See the M4.3 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 14, 2023. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.