Earthquakes on December 27, 2023
250
EARTHQUAKES on December 27, 2023
24-hour UTC period · USGS data
LARGEST: M5.8 — southern East Pacific Rise
10 km deep
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
7
M4.0–4.9
23
M3.0–3.9
24
M2.0–2.9
64
M1.0–1.9
132
Activity Summary
250
Total earthquakes
~250
Daily average
Normal
Activity level
7
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
5.8
southern East Pacific Rise
21:33 UTC · 10.0 km deep
5.4
southern East Pacific Rise
15:36 UTC · 10.0 km deep
5.3
94 km SSE of Kirensk, Russia
05:09 UTC · 10.0 km deep
5.1
Reykjanes Ridge
23:33 UTC · 10.0 km deep
5.1
50 km SSW of Singaparna, Indonesia
22:43 UTC · 72.2 km deep
Felt by 5
5.0
26 km NNE of Kupang, Indonesia
18:52 UTC · 40.0 km deep
Felt by 5
5.0
Reykjanes Ridge
15:40 UTC · 10.0 km deep
4.9
19 km NNE of Ilgaz, Turkey
13:04 UTC · 10.0 km deep
Felt by 2
Earthquake Map — December 27, 2023
All Earthquakes — December 27, 2023
Showing 30 of 118 (filtered from 250)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2023-12-27 2023-12-27 23:33:38 UTC | 5.1mb | Reykjanes Ridge 56.393°, -34.163° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On December 27, 2023, worldwide seismic activity registered a magnitude 5.1 earthquake near Reykjanes Ridge at 23:33 UTC. See the M5.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-27 2023-12-27 23:15:04 UTC | 2.0ml | 9 km S of Princeton, Canada 49.374°, -120.513° | -0.5 km | - | - | - | ✓ Reviewed | USGS → |
At 23:15 UTC on December 27, 2023, a magnitude 2.0 tremor occurred 9 km S of Princeton, Canada. 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. | ||||||||
2023-12-27 2023-12-27 23:01:22 UTC | 2.8ml | 79 km ESE of Atka, Alaska 51.933°, -173.130° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
December 27, 2023 brought a magnitude 2.8 earthquake 79 km ESE of Atka, Alaska, logged at 23:01 UTC. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-27 2023-12-27 23:01:07 UTC | 3.4md | 52 km NNE of Otra Banda, Dominican Republic 19.108°, -68.527° | 29.9 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.4 seismic event took place 52 km NNE of Otra Banda, Dominican Republic on December 27, 2023 at 23:01 UTC. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-27 2023-12-27 22:58:30 UTC | 2.0ml | 124 km WSW of Adak, Alaska 51.399°, -178.267° | 24.8 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.0 event was detected 124 km WSW of Adak, Alaska on December 27, 2023, with origin time 22:58 UTC. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-27 2023-12-27 22:48:56 UTC | 2.6ml | 177 km SW of Point Hope, Alaska 67.421°, -170.158° | 13.0 km | - | - | - | ✓ Reviewed | USGS → |
On December 27, 2023, worldwide seismic activity registered a magnitude 2.6 earthquake 177 km SW of Point Hope, Alaska at 22:48 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.7 earthquake that occurred about 1 hours earlier. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-27 2023-12-27 22:43:56 UTC | 5.1mww | 50 km SSW of Singaparna, Indonesia -7.777°, 107.953° | 72.2 km | 5 | - | - | ✓ Reviewed | USGS → |
At 22:43 UTC on December 27, 2023, a magnitude 5.1 tremor occurred 50 km SSW of Singaparna, Indonesia. See the M5.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-27 2023-12-27 22:37:11 UTC | 2.1ml | 13 km SSW of Adak, Alaska 51.773°, -176.731° | 72.7 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.1 event was detected 13 km SSW of Adak, Alaska on December 27, 2023, with origin time 22:37 UTC. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-27 2023-12-27 22:31:03 UTC | 3.3ml | 205 km WSW of Point Hope, Alaska 67.560°, -171.182° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On December 27, 2023 at 22:31 UTC, a magnitude 3.3 earthquake struck 205 km WSW of Point Hope, Alaska. See the M3.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-27 2023-12-27 22:13:20 UTC | 2.0ml | 16 km WNW of Ivanof Bay, Alaska 55.953°, -159.728° | 0.2 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.0 earthquake 16 km WNW of Ivanof Bay, Alaska came in on December 27, 2023 at 22:13 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. | ||||||||
2023-12-27 2023-12-27 22:01:08 UTC | 4.7mb | southern East Pacific Rise -52.992°, -117.990° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
December 27, 2023 brought a magnitude 4.7 earthquake near southern East Pacific Rise, logged at 22:01 UTC. It arrived roughly 1 hours after a larger magnitude 5.8 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-27 2023-12-27 21:34:43 UTC | 2.7ml | 183 km SW of Point Hope, Alaska 67.442°, -170.383° | 14.6 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.7 event was detected 183 km SW of Point Hope, Alaska on December 27, 2023, with origin time 21:34 UTC. The event was offshore. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-27 2023-12-27 21:33:18 UTC | 5.8mww | southern East Pacific Rise -53.090°, -118.113° | 10.0 km | - | - | green | ✓ Reviewed | USGS → |
On December 27, 2023 at 21:33 UTC, a magnitude 5.8 earthquake struck near southern East Pacific Rise. 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 27, 2023. See the M5.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-27 2023-12-27 21:08:19 UTC | 2.2ml | 11 km ENE of Pāhala, Hawaii 19.254°, -155.379° | 31.4 km | - | - | - | Auto | USGS → |
At 21:08 UTC on December 27, 2023, a magnitude 2.2 tremor occurred 11 km ENE of Pāhala, Hawaii. This event falls inside the aftershock decay of a nearby magnitude 3.1 earthquake that occurred about 6 hours earlier. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-27 2023-12-27 20:47:49 UTC | 2.3md | 6 km NW of The Geysers, CA 38.815°, -122.799° | 2.5 km | 1 | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.3 earthquake 6 km NW of The Geysers, CA came in on December 27, 2023 at 20:47 UTC. In the 72 hours after this event, the USGS recorded 5 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-27 2023-12-27 20:28:00 UTC | 4.6mb | southern East Pacific Rise -54.402°, -120.106° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On December 27, 2023 at 20:28 UTC, a magnitude 4.6 earthquake struck near southern East Pacific Rise. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-27 2023-12-27 20:23:30 UTC | 2.0ml | 64 km SSW of Adak, Alaska 51.372°, -177.089° | 45.6 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.0 seismic event took place 64 km SSW of Adak, Alaska on December 27, 2023 at 20:23 UTC. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-27 2023-12-27 20:05:40 UTC | 3.1ml | 8 km NW of Avila Beach, CA 35.236°, -120.784° | 6.2 km | 145 | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 3.1 earthquake 8 km NW of Avila Beach, CA came in on December 27, 2023 at 20:05 UTC. The event was offshore. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-27 2023-12-27 19:59:19 UTC | 2.2ml | 54 km S of Whites City, New Mexico 31.687°, -104.297° | 7.9 km | - | - | - | ✓ Reviewed | USGS → |
On December 27, 2023 at 19:59 UTC, a magnitude 2.2 earthquake struck 54 km S of Whites City, New Mexico. It arrived roughly 2 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 M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-27 2023-12-27 19:56:20 UTC | 4.3mb | 16 km NNW of Herāt, Afghanistan 34.484°, 62.120° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.3 earthquake 16 km NNW of Herāt, Afghanistan came in on December 27, 2023 at 19:56 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-27 2023-12-27 19:37:06 UTC | 2.1ml | 70 km ESE of Sand Point, Alaska 55.151°, -159.445° | 5.4 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.1 earthquake 70 km ESE of Sand Point, Alaska came in on December 27, 2023 at 19:37 UTC. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-27 2023-12-27 19:26:30 UTC | 3.2ml | 167 km WSW of Adak, Alaska 51.360°, -178.901° | 25.7 km | - | - | - | ✓ Reviewed | USGS → |
On December 27, 2023, worldwide seismic activity registered a magnitude 3.2 earthquake 167 km WSW of Adak, Alaska at 19:26 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.3 earthquake that occurred about 1 hours earlier. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-27 2023-12-27 19:25:33 UTC | 3.3ml | 168 km WSW of Adak, Alaska 51.377°, -178.927° | 27.7 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.3 earthquake was recorded 168 km WSW of Adak, Alaska on December 27, 2023 at 19:25 UTC. See the M3.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-27 2023-12-27 19:11:41 UTC | 2.8ml | 20 km E of Little Lake, CA 35.924°, -117.686° | 2.2 km | 1 | - | - | ✓ Reviewed | USGS → |
A magnitude 2.8 seismic event took place 20 km E of Little Lake, CA on December 27, 2023 at 19:11 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.3 earthquake that occurred about 2 hours earlier. 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. | ||||||||
2023-12-27 2023-12-27 19:00:28 UTC | 2.4md | 4 km WSW of Guánica, Puerto Rico 17.951°, -66.940° | 7.7 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.4 earthquake 4 km WSW of Guánica, Puerto Rico with origin time 19:00 UTC on December 27, 2023. This event falls inside the aftershock decay of a nearby magnitude 2.9 earthquake that occurred about 16 hours earlier. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-27 2023-12-27 18:56:08 UTC | 3.8mb | 5 km N of Grohote, Croatia 43.442°, 16.294° | 10.0 km | 10 | - | - | ✓ Reviewed | USGS → |
A magnitude 3.8 earthquake was recorded 5 km N of Grohote, Croatia on December 27, 2023 at 18:56 UTC. The event was offshore. See the M3.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-27 2023-12-27 18:52:52 UTC | 4.2mb | 114 km ENE of Petropavlovsk-Kamchatsky, Russia 53.455°, 160.209° | 62.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.2 earthquake was recorded 114 km ENE of Petropavlovsk-Kamchatsky, Russia on December 27, 2023 at 18:52 UTC. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-27 2023-12-27 18:52:44 UTC | 5.0mww | 26 km NNE of Kupang, Indonesia -9.949°, 123.704° | 40.0 km | 5 | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 5.0 earthquake 26 km NNE of Kupang, Indonesia at 18:52 UTC on December 27, 2023. See the M5.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-27 2023-12-27 18:52:30 UTC | 3.0ml | 111 km SSE of Sand Point, Alaska 54.434°, -159.747° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.0 seismic event took place 111 km SSE of Sand Point, Alaska on December 27, 2023 at 18:52 UTC. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-12-27 2023-12-27 18:21:30 UTC | 2.8ml | 58 km NW of Toyah, Texas 31.641°, -104.275° | 6.5 km | - | - | - | ✓ Reviewed | USGS → |
On December 27, 2023 at 18:21 UTC, a magnitude 2.8 earthquake struck 58 km NW of Toyah, Texas. The event was offshore. 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 27, 2023. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.