Earthquakes on January 21, 2023
319
EARTHQUAKES on January 21, 2023
24-hour UTC period · USGS data
LARGEST: M5.7 — Reykjanes Ridge
10 km deep
Elevated activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
5
M4.0–4.9
48
M3.0–3.9
32
M2.0–2.9
72
M1.0–1.9
162
Activity Summary
319
Total earthquakes
~250
Daily average
Elevated
Activity level
5
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
5.7
Reykjanes Ridge
19:49 UTC · 10.0 km deep
5.3
Reykjanes Ridge
22:35 UTC · 10.0 km deep
5.3
Reykjanes Ridge
19:20 UTC · 10.0 km deep
5.1
157 km NW of Tobelo, Indonesia
20:06 UTC · 28.9 km deep
5.1
155 km NW of Tobelo, Indonesia
03:58 UTC · 44.9 km deep
4.9
central Mid-Atlantic Ridge
07:57 UTC · 10.0 km deep
4.9
South Sandwich Islands region
05:47 UTC · 44.6 km deep
4.8
southern Mid-Atlantic Ridge
21:56 UTC · 10.0 km deep
Earthquake Map — January 21, 2023
All Earthquakes — January 21, 2023
Showing 30 of 157 (filtered from 319)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2023-01-21 2023-01-21 23:58:55 UTC | 2.5md | 18km W of Cape Vizcaino, CA 39.753°, -124.040° | 3.1 km | 1 | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.5 earthquake 18km W of Cape Vizcaino, CA at 23:58 UTC on January 21, 2023. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-01-21 2023-01-21 23:55:03 UTC | 2.4ml | 118 km ESE of Savoonga, Alaska 63.382°, -168.202° | 17.4 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.4 earthquake was recorded 118 km ESE of Savoonga, Alaska on January 21, 2023 at 23:55 UTC. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-01-21 2023-01-21 23:52:23 UTC | 2.5md | 12 km SSE of La Parguera, Puerto Rico 17.868°, -67.009° | 11.8 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.5 earthquake 12 km SSE of La Parguera, Puerto Rico with origin time 23:52 UTC on January 21, 2023. It arrived roughly 13 hours after a larger magnitude 2.6 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-01-21 2023-01-21 23:21:44 UTC | 4.4mb | Mindanao, Philippines 6.910°, 126.718° | 140.6 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.4 event was detected near Mindanao, Philippines on January 21, 2023, with origin time 23:21 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-01-21 2023-01-21 23:07:11 UTC | 4.2mb | Mindanao, Philippines 6.472°, 124.907° | 10.0 km | 1 | - | - | ✓ Reviewed | USGS → |
At 23:07 UTC on January 21, 2023, a magnitude 4.2 tremor occurred near Mindanao, Philippines. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-01-21 2023-01-21 23:02:31 UTC | 2.1md | 5km SSE of San Juan Bautista, CA 36.800°, -121.527° | 5.7 km | 1 | - | - | ✓ Reviewed | USGS → |
This magnitude 2.1 event was detected 5km SSE of San Juan Bautista, CA on January 21, 2023, with origin time 23:02 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.1 earthquake that occurred about 2 hours earlier. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-01-21 2023-01-21 22:51:49 UTC | 4.7mb | South Sandwich Islands region -56.275°, -26.684° | 82.6 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.7 earthquake was recorded in the South Sandwich Islands region on January 21, 2023 at 22:51 UTC. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-01-21 2023-01-21 22:49:17 UTC | 4.3mb | 162 km NE of Laikit, Laikit II (Dimembe), Indonesia 2.420°, 126.101° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.3 earthquake 162 km NE of Laikit, Laikit II (Dimembe), Indonesia at 22:49 UTC on January 21, 2023. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-01-21 2023-01-21 22:35:30 UTC | 5.3mww | Reykjanes Ridge 57.381°, -33.380° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 5.3 earthquake was recorded near Reykjanes Ridge on January 21, 2023 at 22:35 UTC. This event falls inside the aftershock decay of a nearby magnitude 5.7 earthquake that occurred about 3 hours earlier. See the M5.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-01-21 2023-01-21 22:29:54 UTC | 2.2ml | Oklahoma 36.931°, -97.648° | 7.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.2 earthquake near Oklahoma with origin time 22:29 UTC on January 21, 2023. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-01-21 2023-01-21 22:14:04 UTC | 2.9ml | 9 km SSE of Provideniya, Russia 64.344°, -173.171° | 19.1 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.9 earthquake 9 km SSE of Provideniya, Russia at 22:14 UTC on January 21, 2023. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-01-21 2023-01-21 21:56:59 UTC | 4.8mb | southern Mid-Atlantic Ridge -48.914°, -8.492° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.8 earthquake near southern Mid-Atlantic Ridge came in on January 21, 2023 at 21:56 UTC. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-01-21 2023-01-21 21:50:16 UTC | 4.3mb | 40 km ENE of Orcopampa, Peru -15.116°, -71.996° | 118.2 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.3 event was detected 40 km ENE of Orcopampa, Peru on January 21, 2023, with origin time 21:50 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-01-21 2023-01-21 21:44:30 UTC | 4.4mb | Papua, Indonesia -3.858°, 133.827° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.4 earthquake near Papua, Indonesia came in on January 21, 2023 at 21:44 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-01-21 2023-01-21 21:36:26 UTC | 2.6ml | 20 km ESE of Kasilof, Alaska 60.268°, -150.939° | 61.3 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.6 earthquake 20 km ESE of Kasilof, Alaska came in on January 21, 2023 at 21:36 UTC. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-01-21 2023-01-21 21:18:01 UTC | 2.1md | 5km S of San Juan Bautista, CA 36.801°, -121.533° | 5.0 km | - | - | - | ✓ Reviewed | USGS → |
On January 21, 2023, worldwide seismic activity registered a magnitude 2.1 earthquake 5km S of San Juan Bautista, CA at 21:18 UTC. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-01-21 2023-01-21 21:17:18 UTC | 2.0ml | 6 km SW of Volcano, Hawaii 19.399°, -155.277° | 8.7 km | - | - | - | ✓ Reviewed | USGS → |
January 21, 2023 brought a magnitude 2.0 earthquake 6 km SW of Volcano, Hawaii, logged at 21:17 UTC. Coming 14 hours after a magnitude 2.3 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. | ||||||||
2023-01-21 2023-01-21 21:02:04 UTC | 2.0ml | 86 km SE of King Cove, Alaska 54.568°, -161.288° | 24.1 km | - | - | - | ✓ Reviewed | USGS → |
On January 21, 2023 at 21:02 UTC, a magnitude 2.0 earthquake struck 86 km SE of King Cove, Alaska. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-01-21 2023-01-21 20:36:45 UTC | 2.5ml | 68 km S of False Pass, Alaska 54.250°, -163.238° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.5 event was detected 68 km S of False Pass, Alaska on January 21, 2023, with origin time 20:36 UTC. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-01-21 2023-01-21 20:36:03 UTC | 4.5mb | 37 km SE of Iztapa, Guatemala 13.654°, -90.508° | 70.5 km | - | - | - | ✓ Reviewed | USGS → |
On January 21, 2023 at 20:36 UTC, a magnitude 4.5 earthquake struck 37 km SE of Iztapa, Guatemala. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-01-21 2023-01-21 20:16:53 UTC | 3.1ml | 36 km WSW of Mentone, Texas 31.609°, -103.964° | 8.5 km | 1 | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 3.1 earthquake 36 km WSW of Mentone, Texas came in on January 21, 2023 at 20:16 UTC. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-01-21 2023-01-21 20:06:50 UTC | 5.1mww | 157 km NW of Tobelo, Indonesia 2.721°, 126.993° | 28.9 km | - | - | - | ✓ Reviewed | USGS → |
On January 21, 2023, worldwide seismic activity registered a magnitude 5.1 earthquake 157 km NW of Tobelo, Indonesia at 20:06 UTC. The event was offshore. See the M5.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-01-21 2023-01-21 20:04:01 UTC | 2.8ml | Unimak Island region, Alaska 53.404°, -163.691° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
January 21, 2023 brought a magnitude 2.8 earthquake in the Unimak Island region, Alaska, logged at 20:04 UTC. Coming 16 hours after a magnitude 4.6 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-01-21 2023-01-21 19:49:28 UTC | 5.7mww | Reykjanes Ridge 57.404°, -33.298° | 10.0 km | - | - | green | ✓ Reviewed | USGS → |
On January 21, 2023 at 19:49 UTC, a magnitude 5.7 earthquake struck near Reykjanes Ridge. 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 January 21, 2023. See the M5.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-01-21 2023-01-21 19:46:00 UTC | 2.3ml | 56 km S of Whites City, New Mexico 31.665°, -104.371° | 6.8 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.3 earthquake 56 km S of Whites City, New Mexico came in on January 21, 2023 at 19:46 UTC. It arrived roughly 7 hours after a larger magnitude 2.5 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-01-21 2023-01-21 19:25:19 UTC | 4.5mb | 114 km SSW of Banda Aceh, Indonesia 4.567°, 94.996° | 58.3 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.5 earthquake was recorded 114 km SSW of Banda Aceh, Indonesia on January 21, 2023 at 19:25 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-01-21 2023-01-21 19:22:20 UTC | 4.8mb | Reykjanes Ridge 57.499°, -33.340° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.8 seismic event took place near Reykjanes Ridge on January 21, 2023 at 19:22 UTC. Coming 1 hours after a magnitude 5.3 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-01-21 2023-01-21 19:21:08 UTC | 2.0ml | Southern Yukon Territory, Canada 60.099°, -139.351° | 14.9 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.0 earthquake was recorded near Southern Yukon Territory, Canada on January 21, 2023 at 19:21 UTC. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-01-21 2023-01-21 19:20:27 UTC | 5.3mww | Reykjanes Ridge 57.416°, -33.257° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 5.3 earthquake near Reykjanes Ridge with origin time 19:20 UTC on January 21, 2023. See the M5.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-01-21 2023-01-21 19:08:36 UTC | 3.1ml | 216 km WSW of Adak, Alaska 51.088°, -179.490° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.1 seismic event took place 216 km WSW of Adak, Alaska on January 21, 2023 at 19:08 UTC. See the M3.1 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 January 21, 2023. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.