Earthquakes on February 10, 2021
418
EARTHQUAKES on February 10, 2021
24-hour UTC period · USGS data
10 km deep · 7 people felt it
Elevated activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
54
M4.0–4.9
76
M3.0–3.9
14
M2.0–2.9
63
M1.0–1.9
211
Activity Summary
418
Total earthquakes
~250
Daily average
Elevated
Activity level
54
M5.0+ events
Geographic Breakdown
By US State
Significant Earthquakes (M4.5+)
7.7
southeast of the Loyalty Islands
13:19 UTC · 10.0 km deep
Felt by 7
6.3
southeast of the Loyalty Islands
21:24 UTC · 12.0 km deep
Felt by 1
6.3
219 km SSW of Bengkulu, Indonesia
12:52 UTC · 10.0 km deep
Felt by 1
6.1
southeast of the Loyalty Islands
18:36 UTC · 14.0 km deep
6.1
southeast of the Loyalty Islands
16:35 UTC · 11.7 km deep
6.1
southeast of the Loyalty Islands
13:01 UTC · 10.0 km deep
Felt by 1
6.1
southeast of the Loyalty Islands
12:24 UTC · 11.0 km deep
5.8
southeast of the Loyalty Islands
23:45 UTC · 10.0 km deep
Earthquake Map — February 10, 2021

All Earthquakes — February 10, 2021
Showing 30 of 207 (filtered from 418)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2021-02-10 2021-02-10 23:55:40 UTC | 2.1ml | northern Alaska 69.525°, -144.658° | 1.2 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.1 earthquake near northern Alaska with origin time 23:55 UTC on February 10, 2021. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-10 2021-02-10 23:53:12 UTC | 2.3md | 1 km E of Maria Antonia, Puerto Rico 17.978°, -66.874° | 11.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.3 earthquake 1 km E of Maria Antonia, Puerto Rico at 23:53 UTC on February 10, 2021. This event falls inside the aftershock decay of a nearby magnitude 2.9 earthquake that occurred about 23 hours earlier. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-10 2021-02-10 23:49:09 UTC | 5.3mb | southeast of the Loyalty Islands -22.969°, 171.258° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 5.3 event was detected southeast of the Loyalty Islands on February 10, 2021, with origin time 23:49 UTC. This event falls inside the aftershock decay of a nearby magnitude 6.1 earthquake that occurred about 7 hours earlier. See the M5.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-10 2021-02-10 23:45:15 UTC | 5.8mww | southeast of the Loyalty Islands -23.183°, 171.689° | 10.0 km | - | - | green | ✓ Reviewed | USGS → |
Reports of a magnitude 5.8 earthquake southeast of the Loyalty Islands came in on February 10, 2021 at 23:45 UTC. This event falls inside the aftershock decay of a nearby magnitude 7.7 earthquake that occurred about 10 hours earlier. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. See the M5.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-10 2021-02-10 23:43:21 UTC | 5.0mb | southeast of the Loyalty Islands -23.208°, 171.679° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 5.0 earthquake southeast of the Loyalty Islands at 23:43 UTC on February 10, 2021. It arrived roughly 10 hours after a larger magnitude 7.7 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M5.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-10 2021-02-10 23:32:46 UTC | 5.3mb | southeast of the Loyalty Islands -22.877°, 171.696° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 5.3 earthquake southeast of the Loyalty Islands came in on February 10, 2021 at 23:32 UTC. Coming 10 hours after a magnitude 7.7 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M5.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-10 2021-02-10 23:32:09 UTC | 4.6mb | southeast of the Loyalty Islands -22.732°, 172.032° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.6 earthquake southeast of the Loyalty Islands with origin time 23:32 UTC on February 10, 2021. This event falls inside the aftershock decay of a nearby magnitude 5.2 earthquake that occurred about 10 hours earlier. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-10 2021-02-10 23:26:27 UTC | 5.3mww | southeast of the Loyalty Islands -23.084°, 171.892° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 5.3 seismic event took place southeast of the Loyalty Islands on February 10, 2021 at 23:26 UTC. See the M5.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-10 2021-02-10 23:26:00 UTC | 2.2md | 2 km SSW of P?hala, Hawaii 19.186°, -155.487° | 34.6 km | - | - | - | Auto | USGS → |
The USGS recorded this magnitude 2.2 earthquake 2 km SSW of P?hala, Hawaii at 23:26 UTC on February 10, 2021. Coming 8 hours after a magnitude 2.9 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-10 2021-02-10 23:24:39 UTC | 3.5md | 100 km N of Charlotte Amalie, U.S. Virgin Islands 19.253°, -64.905° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 3.5 earthquake 100 km N of Charlotte Amalie, U.S. Virgin Islands at 23:24 UTC on February 10, 2021. It arrived roughly 21 hours after a larger magnitude 3.6 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M3.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-10 2021-02-10 23:23:14 UTC | 4.9mb | southeast of the Loyalty Islands -23.088°, 171.536° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 23:23 UTC on February 10, 2021, a magnitude 4.9 tremor occurred southeast of the Loyalty Islands. It arrived roughly 10 hours after a larger magnitude 7.7 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-10 2021-02-10 23:20:13 UTC | 2.7ml | 20 km NE of Skwentna, Alaska 62.115°, -151.118° | 83.2 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.7 earthquake 20 km NE of Skwentna, Alaska at 23:20 UTC on February 10, 2021. The event was offshore. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-10 2021-02-10 23:17:00 UTC | 4.7mb | southeast of the Loyalty Islands -23.094°, 171.514° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 23:17 UTC on February 10, 2021, a magnitude 4.7 tremor occurred southeast of the Loyalty Islands. Coming 10 hours after a magnitude 7.7 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-10 2021-02-10 23:15:41 UTC | 4.6mb | southeast of the Loyalty Islands -22.927°, 171.477° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On February 10, 2021, worldwide seismic activity registered a magnitude 4.6 earthquake southeast of the Loyalty Islands at 23:15 UTC. Coming 10 hours after a magnitude 5.3 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. | ||||||||
2021-02-10 2021-02-10 23:07:43 UTC | 2.5md | 2 km SSE of Boquerón, Puerto Rico 18.007°, -67.156° | 16.0 km | - | - | - | ✓ Reviewed | USGS → |
On February 10, 2021 at 23:07 UTC, a magnitude 2.5 earthquake struck 2 km SSE of Boquerón, Puerto Rico. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-10 2021-02-10 23:05:56 UTC | 4.6mb | southeast of the Loyalty Islands -23.109°, 171.225° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 23:05 UTC on February 10, 2021, a magnitude 4.6 tremor occurred southeast of the Loyalty Islands. It arrived roughly 10 hours after a larger magnitude 5.4 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-10 2021-02-10 22:54:19 UTC | 5.3mb | southeast of the Loyalty Islands -23.160°, 171.655° | 10.0 km | - | - | green | ✓ Reviewed | USGS → |
February 10, 2021 brought a magnitude 5.3 earthquake southeast of the Loyalty Islands, logged at 22:54 UTC. This event falls inside the aftershock decay of a nearby magnitude 7.7 earthquake that occurred about 10 hours earlier. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. See the M5.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-10 2021-02-10 22:52:50 UTC | 4.5mb | southeast of the Loyalty Islands -23.564°, 171.319° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.5 seismic event took place southeast of the Loyalty Islands on February 10, 2021 at 22:52 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-10 2021-02-10 22:46:03 UTC | 4.4mb | southeast of the Loyalty Islands -23.279°, 171.411° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.4 earthquake southeast of the Loyalty Islands came in on February 10, 2021 at 22:46 UTC. Coming 1 hours after a magnitude 5.6 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. | ||||||||
2021-02-10 2021-02-10 22:38:02 UTC | 5.1mb | southeast of the Loyalty Islands -22.591°, 171.163° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 22:38 UTC on February 10, 2021, a magnitude 5.1 tremor occurred southeast of the Loyalty Islands. This event falls inside the aftershock decay of a nearby magnitude 6.1 earthquake that occurred about 4 hours earlier. See the M5.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-10 2021-02-10 22:34:07 UTC | 4.3mb | 62 km E of Shikotan, Russia 43.792°, 147.498° | 58.3 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.3 event was detected 62 km E of Shikotan, Russia on February 10, 2021, with origin time 22:34 UTC. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-10 2021-02-10 22:31:06 UTC | 4.7mb | 10 km S of Sovet, Tajikistan 37.953°, 69.589° | 10.0 km | 1 | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.7 earthquake 10 km S of Sovet, Tajikistan at 22:31 UTC on February 10, 2021. The event was offshore. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-10 2021-02-10 22:26:47 UTC | 4.6mb | southeast of the Loyalty Islands -23.142°, 171.636° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.6 earthquake southeast of the Loyalty Islands at 22:26 UTC on February 10, 2021. This event falls inside the aftershock decay of a nearby magnitude 7.7 earthquake that occurred about 9 hours earlier. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-10 2021-02-10 22:21:07 UTC | 4.4mb | 138 km SW of Arica, Chile -19.391°, -71.198° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.4 seismic event took place 138 km SW of Arica, Chile on February 10, 2021 at 22:21 UTC. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-10 2021-02-10 22:17:23 UTC | 4.5mb | southeast of the Loyalty Islands -23.100°, 171.588° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
February 10, 2021 brought a magnitude 4.5 earthquake southeast of the Loyalty Islands, logged at 22:17 UTC. It arrived roughly 9 hours after a larger magnitude 7.7 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-10 2021-02-10 22:15:54 UTC | 2.5ml | 21 km WNW of Stanley, Idaho 44.316°, -115.168° | 13.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.5 earthquake was recorded 21 km WNW of Stanley, Idaho on February 10, 2021 at 22:15 UTC. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-10 2021-02-10 22:15:48 UTC | 4.9mb | southeast of the Loyalty Islands -22.800°, 171.500° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.9 earthquake southeast of the Loyalty Islands at 22:15 UTC on February 10, 2021. This event falls inside the aftershock decay of a nearby magnitude 6.1 earthquake that occurred about 9 hours earlier. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-10 2021-02-10 22:13:54 UTC | 4.4mb | southeast of the Loyalty Islands -23.817°, 171.855° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
February 10, 2021 brought a magnitude 4.4 earthquake southeast of the Loyalty Islands, logged at 22:13 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-10 2021-02-10 22:09:41 UTC | 4.2mb | 80 km W of San Antonio de los Cobres, Argentina -24.165°, -67.112° | 203.3 km | - | - | - | ✓ Reviewed | USGS → |
At 22:09 UTC on February 10, 2021, a magnitude 4.2 tremor occurred 80 km W of San Antonio de los Cobres, Argentina. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-10 2021-02-10 22:06:01 UTC | 4.7mb | southeast of the Loyalty Islands -22.887°, 171.013° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.7 event was detected southeast of the Loyalty Islands on February 10, 2021, with origin time 22:06 UTC. This event falls inside the aftershock decay of a nearby magnitude 6.1 earthquake that occurred about 6 hours earlier. See the M4.7 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 February 10, 2021. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.