Earthquakes on March 1, 2021
340
EARTHQUAKES on March 1, 2021
24-hour UTC period · USGS data
LARGEST: M5.4 — 125 km NW of Sola, Vanuatu
47 km deep
Elevated activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
3
M4.0–4.9
34
M3.0–3.9
14
M2.0–2.9
91
M1.0–1.9
198
Activity Summary
340
Total earthquakes
~250
Daily average
Elevated
Activity level
3
M5.0+ events
Significant Earthquakes (M4.5+)
5.4
125 km NW of Sola, Vanuatu
03:29 UTC · 46.8 km deep
5.1
18 km SW of Urrao, Colombia
22:57 UTC · 10.0 km deep
Felt by 58
5.1
74 km W of Port-Vila, Vanuatu
10:06 UTC · 10.0 km deep
Felt by 1
4.9
central Mid-Atlantic Ridge
22:19 UTC · 10.0 km deep
4.9
5 km SW of Álftanes, Iceland
16:35 UTC · 10.0 km deep
Felt by 5
4.9
78 km W of Port-Vila, Vanuatu
09:41 UTC · 10.0 km deep
4.8
8 km W of Álftanes, Iceland
01:31 UTC · 10.0 km deep
Felt by 12
4.7
64 km SE of Honiara, Solomon Islands
20:10 UTC · 28.7 km deep
Earthquake Map — March 1, 2021
All Earthquakes — March 1, 2021
Showing 30 of 142 (filtered from 340)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2021-03-01 2021-03-01 23:58:09 UTC | 2.0md | 3 km ENE of P?hala, Hawaii 19.212°, -155.442° | 33.9 km | - | - | - | Auto | USGS → |
March 1, 2021 brought a magnitude 2.0 earthquake 3 km ENE of P?hala, Hawaii, logged at 23:58 UTC. It arrived roughly 21 hours after a larger magnitude 2.4 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-01 2021-03-01 23:52:47 UTC | 2.0md | 8 km NE of P?hala, Hawaii 19.255°, -155.416° | 36.4 km | - | - | - | Auto | USGS → |
Seismographs logged a magnitude 2.0 earthquake 8 km NE of P?hala, Hawaii with origin time 23:52 UTC on March 1, 2021. It arrived roughly 21 hours after a larger magnitude 2.4 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-01 2021-03-01 23:51:40 UTC | 4.6mb | 85 km WNW of Port-Vila, Vanuatu -17.551°, 167.528° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On March 1, 2021 at 23:51 UTC, a magnitude 4.6 earthquake struck 85 km WNW of Port-Vila, Vanuatu. This event falls inside the aftershock decay of a nearby magnitude 5.1 earthquake that occurred about 14 hours earlier. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-01 2021-03-01 23:40:29 UTC | 4.3mb | 233 km E of Levuka, Fiji -17.835°, -178.489° | 532.5 km | - | - | - | ✓ Reviewed | USGS → |
At 23:40 UTC on March 1, 2021, a magnitude 4.3 tremor occurred 233 km E of Levuka, Fiji. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-01 2021-03-01 23:13:47 UTC | 2.6ml | 4 km E of Quinton, Oklahoma 35.121°, -95.326° | 7.4 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.6 earthquake 4 km E of Quinton, Oklahoma with origin time 23:13 UTC on March 1, 2021. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-01 2021-03-01 22:57:50 UTC | 4.4mb | 2 km WNW of Rancho Viejo, Mexico 16.346°, -97.988° | 10.0 km | 1 | - | - | ✓ Reviewed | USGS → |
March 1, 2021 brought a magnitude 4.4 earthquake 2 km WNW of Rancho Viejo, Mexico, logged at 22:57 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-01 2021-03-01 22:57:40 UTC | 5.1mww | 18 km SW of Urrao, Colombia 6.204°, -76.254° | 10.0 km | 58 | - | - | ✓ Reviewed | USGS → |
A magnitude 5.1 earthquake was recorded 18 km SW of Urrao, Colombia on March 1, 2021 at 22:57 UTC. The event was offshore. See the M5.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-01 2021-03-01 22:53:20 UTC | 2.0md | 4 km SSW of P?hala, Hawaii 19.162°, -155.497° | 32.1 km | - | - | - | Auto | USGS → |
On March 1, 2021, worldwide seismic activity registered a magnitude 2.0 earthquake 4 km SSW of P?hala, Hawaii at 22:53 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.4 earthquake that occurred about 20 hours earlier. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-01 2021-03-01 22:47:56 UTC | 2.2ml | 9 km SSE of Tatums, Oklahoma 34.405°, -97.407° | 4.2 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.2 seismic event took place 9 km SSE of Tatums, Oklahoma on March 1, 2021 at 22:47 UTC. It arrived roughly 8 hours after a larger magnitude 2.6 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 M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-01 2021-03-01 22:33:48 UTC | 2.0ml | 11 km ENE of Fox, Alaska 64.989°, -147.385° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.0 earthquake 11 km ENE of Fox, Alaska at 22:33 UTC on March 1, 2021. 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. | ||||||||
2021-03-01 2021-03-01 22:26:44 UTC | 2.9ml | 3km SE of The Geysers, CA 38.758°, -122.729° | 1.2 km | 7 | - | - | ✓ Reviewed | USGS → |
On March 1, 2021, worldwide seismic activity registered a magnitude 2.9 earthquake 3km SE of The Geysers, CA at 22:26 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 M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-01 2021-03-01 22:26:05 UTC | 2.5md | 2km SE of The Geysers, CA 38.763°, -122.734° | 1.1 km | - | - | - | ✓ Reviewed | USGS → |
On March 1, 2021, worldwide seismic activity registered a magnitude 2.5 earthquake 2km SE of The Geysers, CA at 22:26 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 M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-01 2021-03-01 22:21:37 UTC | 2.2ml | 20km N of Searles Valley, CA 35.946°, -117.367° | 1.8 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.2 earthquake 20km N of Searles Valley, CA came in on March 1, 2021 at 22:21 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.7 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 M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-01 2021-03-01 22:19:31 UTC | 4.9mb | central Mid-Atlantic Ridge 3.748°, -32.092° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On March 1, 2021, worldwide seismic activity registered a magnitude 4.9 earthquake near central Mid-Atlantic Ridge at 22:19 UTC. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-01 2021-03-01 22:13:48 UTC | 2.7ml | 20km N of Searles Valley, CA 35.948°, -117.360° | 3.1 km | 1 | - | - | ✓ Reviewed | USGS → |
On March 1, 2021 at 22:13 UTC, a magnitude 2.7 earthquake struck 20km N of Searles Valley, CA. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-01 2021-03-01 22:12:01 UTC | 4.3mb | 216 km SSW of Bengkulu, Indonesia -5.673°, 101.702° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.3 earthquake 216 km SSW of Bengkulu, Indonesia at 22:12 UTC on March 1, 2021. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-01 2021-03-01 22:09:12 UTC | 2.5ml | 9 km SE of Ratliff City, Oklahoma 34.400°, -97.423° | 5.4 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.5 earthquake 9 km SE of Ratliff City, Oklahoma came in on March 1, 2021 at 22:09 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.6 earthquake that occurred about 8 hours earlier. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-01 2021-03-01 21:45:05 UTC | 2.2ml | 14 km SSW of Loyal, Oklahoma 35.854°, -98.202° | 5.9 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.2 seismic event took place 14 km SSW of Loyal, Oklahoma on March 1, 2021 at 21:45 UTC. Coming 1 hours after a magnitude 2.6 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. | ||||||||
2021-03-01 2021-03-01 21:30:34 UTC | 2.6ml | 14 km SSW of Loyal, Oklahoma 35.853°, -98.200° | 7.1 km | - | - | - | ✓ Reviewed | USGS → |
On March 1, 2021, worldwide seismic activity registered a magnitude 2.6 earthquake 14 km SSW of Loyal, Oklahoma at 21:30 UTC. In the 72 hours after this event, the USGS recorded 4 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-01 2021-03-01 21:26:46 UTC | 2.2ml | 8 km SE of Ratliff City, Oklahoma 34.401°, -97.432° | 4.5 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.2 earthquake was recorded 8 km SE of Ratliff City, Oklahoma on March 1, 2021 at 21:26 UTC. Coming 7 hours after a magnitude 2.6 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-01 2021-03-01 21:08:01 UTC | 2.2ml | 58 km S of Sand Point, Alaska 54.814°, -160.366° | 18.8 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.2 earthquake 58 km S of Sand Point, Alaska with origin time 21:08 UTC on March 1, 2021. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-01 2021-03-01 20:55:04 UTC | 2.0ml | 78 km SSE of Akutan, Alaska 53.477°, -165.340° | 25.4 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.0 event was detected 78 km SSE of Akutan, Alaska on March 1, 2021, with origin time 20:55 UTC. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-01 2021-03-01 20:37:44 UTC | 2.3ml | 103 km SSE of Sand Point, Alaska 54.523°, -159.714° | 20.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.3 earthquake 103 km SSE of Sand Point, Alaska came in on March 1, 2021 at 20:37 UTC. It arrived roughly 6 hours after a larger magnitude 3.2 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-01 2021-03-01 20:32:55 UTC | 2.4ml | 70 km S of Perryville, Alaska 55.276°, -159.221° | 9.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.4 event was detected 70 km S of Perryville, Alaska on March 1, 2021, with origin time 20:32 UTC. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-01 2021-03-01 20:10:02 UTC | 4.7mb | 64 km SE of Honiara, Solomon Islands -9.879°, 160.324° | 28.7 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.7 earthquake 64 km SE of Honiara, Solomon Islands came in on March 1, 2021 at 20:10 UTC. The event was offshore. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-01 2021-03-01 19:14:59 UTC | 2.2md | 10km N of Cloverdale, CA 38.892°, -123.001° | -0.6 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.2 earthquake 10km N of Cloverdale, CA at 19:14 UTC on March 1, 2021. It arrived roughly 2 hours after a larger magnitude 2.3 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 M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-01 2021-03-01 19:02:15 UTC | 2.1ml | 23 km ESE of Skwentna, Alaska 61.911°, -150.984° | 62.8 km | - | - | - | ✓ Reviewed | USGS → |
At 19:02 UTC on March 1, 2021, a magnitude 2.1 tremor occurred 23 km ESE of Skwentna, Alaska. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-01 2021-03-01 19:01:58 UTC | 2.1ml | 84 km SSW of Lowell Point, Alaska 59.329°, -149.754° | 1.9 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.1 earthquake 84 km SSW of Lowell Point, Alaska at 19:01 UTC on March 1, 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. | ||||||||
2021-03-01 2021-03-01 18:59:11 UTC | 2.1md | 4 km SSE of P?hala, Hawaii 19.169°, -155.466° | 35.3 km | - | - | - | Auto | USGS → |
March 1, 2021 brought a magnitude 2.1 earthquake 4 km SSE of P?hala, Hawaii, logged at 18:59 UTC. Coming 16 hours after a magnitude 2.4 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-01 2021-03-01 18:58:27 UTC | 2.3ml | 59 km ESE of Pedro Bay, Alaska 59.657°, -153.077° | 99.1 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.3 seismic event took place 59 km ESE of Pedro Bay, Alaska on March 1, 2021 at 18:58 UTC. See the M2.3 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 March 1, 2021. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.