Earthquakes on March 11, 2021
282
EARTHQUAKES on March 11, 2021
24-hour UTC period · USGS data
141 km deep · 2 people felt it
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
8
M4.0–4.9
58
M3.0–3.9
9
M2.0–2.9
55
M1.0–1.9
152
Activity Summary
282
Total earthquakes
~250
Daily average
Normal
Activity level
8
M5.0+ events
Significant Earthquakes (M4.5+)
5.2
66 km W of San Antonio de los Cobres, Argentina
21:54 UTC · 141.4 km deep
Felt by 2
5.1
South Sandwich Islands region
13:08 UTC · 53.1 km deep
5.1
210 km NE of Gisborne, New Zealand
09:01 UTC · 10.0 km deep
5.1
Kermadec Islands region
02:14 UTC · 10.0 km deep
5.0
223 km ENE of Gisborne, New Zealand
12:00 UTC · 10.0 km deep
5.0
49 km WSW of Bolitoc, Philippines
07:24 UTC · 10.0 km deep
Felt by 1
5.0
221 km NE of Gisborne, New Zealand
04:27 UTC · 10.0 km deep
5.0
southeast of the Loyalty Islands
02:26 UTC · 35.0 km deep
Earthquake Map — March 11, 2021
All Earthquakes — March 11, 2021
Showing 30 of 130 (filtered from 282)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2021-03-11 2021-03-11 23:54:06 UTC | 4.6mb | 131 km E of Shikotan, Russia 44.035°, 148.332° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.6 event was detected 131 km E of Shikotan, Russia on March 11, 2021, with origin time 23:54 UTC. The event was offshore. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-11 2021-03-11 23:48:16 UTC | 2.4md | 7km SE of North Fork, CA 37.197°, -119.455° | 43.1 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.4 earthquake 7km SE of North Fork, CA with origin time 23:48 UTC on March 11, 2021. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-11 2021-03-11 23:37:38 UTC | 2.5ml | 47 km NNE of McGrath, Alaska 63.360°, -155.296° | 0.9 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.5 earthquake was recorded 47 km NNE of McGrath, Alaska on March 11, 2021 at 23:37 UTC. 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. | ||||||||
2021-03-11 2021-03-11 23:37:36 UTC | 2.8ml | 60 km NNW of Yakutat, Alaska 60.020°, -140.243° | 9.4 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.8 earthquake 60 km NNW of Yakutat, Alaska at 23:37 UTC on March 11, 2021. It arrived roughly 3 hours after a larger magnitude 3.5 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-11 2021-03-11 23:19:36 UTC | 4.5mb | Banda Sea -6.169°, 130.064° | 37.0 km | - | - | - | ✓ Reviewed | USGS → |
At 23:19 UTC on March 11, 2021, a magnitude 4.5 tremor occurred near Banda Sea. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-11 2021-03-11 23:09:36 UTC | 2.4ml | 180 km WSW of Nikolski, Alaska 52.332°, -171.330° | 25.6 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.4 earthquake 180 km WSW of Nikolski, Alaska came in on March 11, 2021 at 23:09 UTC. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-11 2021-03-11 22:45:50 UTC | 2.4ml | 9 km ENE of P?hala, Hawaii 19.247°, -155.406° | 32.3 km | - | - | - | Auto | USGS → |
A magnitude 2.4 earthquake was recorded 9 km ENE of P?hala, Hawaii on March 11, 2021 at 22:45 UTC. This event falls inside the aftershock decay of a nearby magnitude 4.2 earthquake that occurred about 22 hours earlier. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-11 2021-03-11 22:03:57 UTC | 4.3mwr | 96 km W of San Antonio de los Cobres, Argentina -24.301°, -67.268° | 174.4 km | 1 | - | - | ✓ Reviewed | USGS → |
On March 11, 2021, worldwide seismic activity registered a magnitude 4.3 earthquake 96 km W of San Antonio de los Cobres, Argentina at 22:03 UTC. This event falls inside the aftershock decay of a nearby magnitude 4.6 earthquake that occurred about 3 hours earlier. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-11 2021-03-11 21:57:32 UTC | 3.8md | 67 km E of Cruz Bay, U.S. Virgin Islands 18.245°, -64.160° | 79.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 3.8 event was detected 67 km E of Cruz Bay, U.S. Virgin Islands on March 11, 2021, with origin time 21:57 UTC. The event was offshore. See the M3.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-11 2021-03-11 21:54:36 UTC | 5.2mww | 66 km W of San Antonio de los Cobres, Argentina -24.332°, -66.959° | 141.4 km | 2 | - | - | ✓ Reviewed | USGS → |
On March 11, 2021 at 21:54 UTC, a magnitude 5.2 earthquake struck 66 km W of San Antonio de los Cobres, Argentina. It is the largest earthquake currently listed for worldwide seismic activity on March 11, 2021. See the M5.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-11 2021-03-11 21:40:24 UTC | 2.7ml | northern Alaska 65.634°, -144.956° | 7.8 km | 1 | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.7 earthquake near northern Alaska came in on March 11, 2021 at 21:40 UTC. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-11 2021-03-11 21:13:10 UTC | 4.1mb | 263 km E of Nabire, Indonesia -3.697°, 137.851° | 87.8 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.1 earthquake was recorded 263 km E of Nabire, Indonesia on March 11, 2021 at 21:13 UTC. The event was offshore. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-11 2021-03-11 20:45:30 UTC | 3.5ml | 60 km NNW of Yakutat, Alaska 60.028°, -140.230° | 3.9 km | - | IV | - | ✓ Reviewed | USGS → |
A magnitude 3.5 seismic event took place 60 km NNW of Yakutat, Alaska on March 11, 2021 at 20:45 UTC. In the 72 hours after this event, the USGS recorded 12 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M3.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-11 2021-03-11 20:25:03 UTC | 2.6ml | 62 km NNW of Yakutat, Alaska 60.051°, -140.224° | 10.5 km | - | - | - | ✓ Reviewed | USGS → |
March 11, 2021 brought a magnitude 2.6 earthquake 62 km NNW of Yakutat, Alaska, logged at 20:25 UTC. In the 72 hours after this event, the USGS recorded 11 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. | ||||||||
2021-03-11 2021-03-11 20:06:09 UTC | 2.4ml | 64 km NNW of Yakutat, Alaska 60.075°, -140.208° | 7.6 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.4 seismic event took place 64 km NNW of Yakutat, Alaska on March 11, 2021 at 20:06 UTC. In the 72 hours after this event, the USGS recorded 12 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-11 2021-03-11 19:58:15 UTC | 2.2ml | 132 km SE of Akutan, Alaska 53.408°, -164.190° | 12.2 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.2 earthquake was recorded 132 km SE of Akutan, Alaska on March 11, 2021 at 19:58 UTC. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-11 2021-03-11 19:52:24 UTC | 2.2ml | 118 km SSE of Sand Point, Alaska 54.352°, -159.816° | 14.5 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.2 earthquake 118 km SSE of Sand Point, Alaska with origin time 19:52 UTC on March 11, 2021. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-11 2021-03-11 18:57:22 UTC | 2.3ml | 182 km SE of Akutan, Alaska 52.966°, -163.833° | 20.5 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.3 earthquake 182 km SE of Akutan, Alaska at 18:57 UTC on March 11, 2021. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-11 2021-03-11 18:48:26 UTC | 4.6mb | 85 km W of San Antonio de los Cobres, Argentina -24.272°, -67.158° | 173.4 km | 1 | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.6 earthquake 85 km W of San Antonio de los Cobres, Argentina came in on March 11, 2021 at 18:48 UTC. The event was offshore. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-11 2021-03-11 18:23:22 UTC | 2.0ml | 134 km NNW of Yakutat, Alaska 60.617°, -140.843° | 22.4 km | - | - | - | ✓ Reviewed | USGS → |
On March 11, 2021 at 18:23 UTC, a magnitude 2.0 earthquake struck 134 km NNW of Yakutat, Alaska. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-11 2021-03-11 18:02:22 UTC | 4.5mb | southeast of the Loyalty Islands -23.260°, 171.767° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.5 earthquake southeast of the Loyalty Islands at 18:02 UTC on March 11, 2021. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-11 2021-03-11 17:28:02 UTC | 2.2ml | 53 km SSW of Whites City, New Mexico 31.721°, -104.569° | 5.6 km | - | - | - | ✓ Reviewed | USGS → |
On March 11, 2021, worldwide seismic activity registered a magnitude 2.2 earthquake 53 km SSW of Whites City, New Mexico at 17:28 UTC. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-11 2021-03-11 17:24:24 UTC | 2.5ml | 63 km SSW of Nikolski, Alaska 52.461°, -169.379° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.5 earthquake 63 km SSW of Nikolski, Alaska with origin time 17:24 UTC on March 11, 2021. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-11 2021-03-11 16:26:42 UTC | 4.4mb | 109 km W of Hihifo, Tonga -16.009°, -174.816° | 132.2 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.4 event was detected 109 km W of Hihifo, Tonga on March 11, 2021, with origin time 16:26 UTC. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-11 2021-03-11 16:20:46 UTC | 2.1ml | 116 km SSE of Sand Point, Alaska 54.371°, -159.795° | 25.6 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.1 earthquake 116 km SSE of Sand Point, Alaska with origin time 16:20 UTC on March 11, 2021. This event falls inside the aftershock decay of a nearby magnitude 2.2 earthquake that occurred about 3 hours earlier. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-11 2021-03-11 16:17:31 UTC | 4.1mb | Near the coast of Valparaiso, Chile -32.584°, -71.985° | 24.1 km | 6 | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.1 earthquake near Near the coast of Valparaiso, Chile with origin time 16:17 UTC on March 11, 2021. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-11 2021-03-11 15:49:13 UTC | 4.3mb | 210 km NE of Gisborne, New Zealand -37.547°, 179.957° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 15:49 UTC on March 11, 2021, a magnitude 4.3 tremor occurred 210 km NE of Gisborne, New Zealand. Coming 7 hours after a magnitude 5.1 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-11 2021-03-11 15:48:54 UTC | 4.1mb | 222 km NE of Gisborne, New Zealand -37.201°, 179.744° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On March 11, 2021, worldwide seismic activity registered a magnitude 4.1 earthquake 222 km NE of Gisborne, New Zealand at 15:48 UTC. It arrived roughly 11 hours after a larger magnitude 5.0 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-11 2021-03-11 15:32:27 UTC | 4.4mb | Kermadec Islands region -28.384°, -177.443° | 74.3 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.4 earthquake in the Kermadec Islands region came in on March 11, 2021 at 15:32 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-11 2021-03-11 15:27:41 UTC | 4.6mb | 85 km NNE of Ust’-Kamchatsk Staryy, Russia 56.960°, 162.873° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.6 seismic event took place 85 km NNE of Ust’-Kamchatsk Staryy, Russia on March 11, 2021 at 15:27 UTC. See the M4.6 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 11, 2021. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.