Earthquakes on March 21, 2022
291
EARTHQUAKES on March 21, 2022
24-hour UTC period · USGS data
LARGEST: M5.6 — South Sandwich Islands region
10 km deep
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
5
M4.0–4.9
47
M3.0–3.9
8
M2.0–2.9
68
M1.0–1.9
163
Activity Summary
291
Total earthquakes
~250
Daily average
Normal
Activity level
5
M5.0+ events
Significant Earthquakes (M4.5+)
5.6
South Sandwich Islands region
05:15 UTC · 10.0 km deep
5.2
140 km W of Florø, Norway
05:32 UTC · 10.0 km deep
Felt by 104
5.1
South Sandwich Islands region
16:02 UTC · 35.0 km deep
5.0
South Sandwich Islands region
16:28 UTC · 10.0 km deep
5.0
234 km S of ‘Ohonua, Tonga
00:28 UTC · 10.0 km deep
4.9
64 km E of Hualien City, Taiwan
23:09 UTC · 18.3 km deep
04.9
115 km S of Merizo Village, Guam
14:56 UTC · 10.0 km deep
4.9
53 km W of Sardinal, Costa Rica
05:17 UTC · 36.1 km deep
Felt by 4
Earthquake Map — March 21, 2022
All Earthquakes — March 21, 2022
Showing 30 of 128 (filtered from 291)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2022-03-21 2022-03-21 23:55:38 UTC | 2.2ml | 4 km E of P?hala, Hawaii 19.202°, -155.432° | 32.8 km | - | - | - | Auto | USGS → |
This magnitude 2.2 event was detected 4 km E of P?hala, Hawaii on March 21, 2022, with origin time 23:55 UTC. It arrived roughly 1 hours after a larger magnitude 2.9 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. | ||||||||
2022-03-21 2022-03-21 23:42:32 UTC | 2.1md | 4 km W of Fuig, Puerto Rico 17.994°, -66.960° | 10.1 km | - | - | - | ✓ Reviewed | USGS → |
On March 21, 2022, worldwide seismic activity registered a magnitude 2.1 earthquake 4 km W of Fuig, Puerto Rico at 23:42 UTC. Coming 18 hours after a magnitude 2.6 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-03-21 2022-03-21 23:41:44 UTC | 2.3ml | 6km ESE of Ocotillo Wells, CA 33.116°, -116.078° | 9.9 km | - | - | - | ✓ Reviewed | USGS → |
At 23:41 UTC on March 21, 2022, a magnitude 2.3 tremor occurred 6km ESE of Ocotillo Wells, CA. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-03-21 2022-03-21 23:24:07 UTC | 2.0md | 3 km SSE of P?hala, Hawaii 19.171°, -155.465° | 33.6 km | - | - | - | Auto | USGS → |
Seismographs logged a magnitude 2.0 earthquake 3 km SSE of P?hala, Hawaii with origin time 23:24 UTC on March 21, 2022. Coming 1 hours after a magnitude 2.9 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-03-21 2022-03-21 23:15:32 UTC | 2.3ml | 54 km S of Whites City, New Mexico 31.684°, -104.396° | 5.8 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.3 event was detected 54 km S of Whites City, New Mexico on March 21, 2022, with origin time 23:15 UTC. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-03-21 2022-03-21 23:10:18 UTC | 2.9md | 5 km S of P?hala, Hawaii 19.155°, -155.474° | 32.9 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.9 earthquake was recorded 5 km S of P?hala, Hawaii on March 21, 2022 at 23:10 UTC. The event was offshore. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-03-21 2022-03-21 23:09:11 UTC | 4.9mwr | 64 km E of Hualien City, Taiwan 23.914°, 122.235° | 18.3 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.9 earthquake 64 km E of Hualien City, Taiwan at 23:09 UTC on March 21, 2022. The event was offshore. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-03-21 2022-03-21 22:57:16 UTC | 2.4md | 6 km W of Mayagüez, Puerto Rico 18.205°, -67.197° | 17.5 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.4 earthquake 6 km W of Mayagüez, Puerto Rico with origin time 22:57 UTC on March 21, 2022. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-03-21 2022-03-21 22:52:19 UTC | 2.1ml | 13 km SSE of Fern Forest, Hawaii 19.353°, -155.075° | 6.1 km | - | - | - | ✓ Reviewed | USGS → |
At 22:52 UTC on March 21, 2022, a magnitude 2.1 tremor occurred 13 km SSE of Fern Forest, Hawaii. It arrived roughly 5 hours after a larger magnitude 2.1 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-03-21 2022-03-21 22:46:22 UTC | 2.1ml | Rat Islands, Aleutian Islands, Alaska 52.038°, 178.308° | 1.1 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.1 earthquake near Rat Islands, Aleutian Islands, Alaska with origin time 22:46 UTC on March 21, 2022. This event falls inside the aftershock decay of a nearby magnitude 4.1 earthquake that occurred about 21 hours earlier. 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. | ||||||||
2022-03-21 2022-03-21 22:25:51 UTC | 2.2md | 1 km SSW of P?hala, Hawaii 19.187°, -155.485° | 32.9 km | - | - | - | Auto | USGS → |
The USGS recorded this magnitude 2.2 earthquake 1 km SSW of P?hala, Hawaii at 22:25 UTC on March 21, 2022. It arrived roughly 13 hours after a larger magnitude 2.7 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-03-21 2022-03-21 22:23:40 UTC | 2.3ml | western Texas 31.677°, -104.378° | 7.5 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.3 earthquake near western Texas came in on March 21, 2022 at 22:23 UTC. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-03-21 2022-03-21 21:37:08 UTC | 2.5md | 5 km SSW of Guánica, Puerto Rico 17.927°, -66.933° | 14.8 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.5 earthquake was recorded 5 km SSW of Guánica, Puerto Rico on March 21, 2022 at 21:37 UTC. Coming 16 hours after a magnitude 2.6 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-03-21 2022-03-21 21:34:13 UTC | 2.0ml | 72 km WSW of Atka, Alaska 51.853°, -175.100° | 57.6 km | - | - | - | ✓ Reviewed | USGS → |
At 21:34 UTC on March 21, 2022, a magnitude 2.0 tremor occurred 72 km WSW of Atka, Alaska. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-03-21 2022-03-21 21:21:47 UTC | 4.4mb | 239 km ESE of ?funato, Japan 37.904°, 144.020° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.4 earthquake 239 km ESE of ?funato, Japan came in on March 21, 2022 at 21:21 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-03-21 2022-03-21 21:08:49 UTC | 2.4md | 3 km SE of Indios, Puerto Rico 17.974°, -66.793° | 11.3 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.4 earthquake 3 km SE of Indios, Puerto Rico at 21:08 UTC on March 21, 2022. It arrived roughly 15 hours after a larger magnitude 2.6 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-03-21 2022-03-21 21:01:56 UTC | 4.2mb | 8 km E of Chamulapita, Mexico 15.062°, -92.295° | 97.1 km | - | - | - | ✓ Reviewed | USGS → |
March 21, 2022 brought a magnitude 4.2 earthquake 8 km E of Chamulapita, Mexico, logged at 21:01 UTC. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-03-21 2022-03-21 20:48:46 UTC | 2.0md | 5 km SSE of P?hala, Hawaii 19.150°, -155.467° | 33.1 km | - | - | - | Auto | USGS → |
On March 21, 2022, worldwide seismic activity registered a magnitude 2.0 earthquake 5 km SSE of P?hala, Hawaii at 20:48 UTC. It arrived roughly 12 hours after a larger magnitude 2.7 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. | ||||||||
2022-03-21 2022-03-21 20:43:00 UTC | 2.7ml | 92 km NW of Yakutat, Alaska 60.121°, -140.907° | 9.4 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.7 earthquake 92 km NW of Yakutat, Alaska at 20:43 UTC on March 21, 2022. The event was offshore. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-03-21 2022-03-21 20:18:59 UTC | 4.2mwr | 95 km SSE of Iquique, Chile -21.041°, -69.904° | 38.8 km | 5 | - | - | ✓ Reviewed | USGS → |
On March 21, 2022 at 20:18 UTC, a magnitude 4.2 earthquake struck 95 km SSE of Iquique, Chile. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-03-21 2022-03-21 20:12:19 UTC | 4.4mb | 59 km E of Shizunai-furukawach?, Japan 42.234°, 143.076° | 70.5 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.4 seismic event took place 59 km E of Shizunai-furukawach?, Japan on March 21, 2022 at 20:12 UTC. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-03-21 2022-03-21 20:08:58 UTC | 2.3ml | 58 km SSE of Cantwell, Alaska 62.927°, -148.421° | 62.9 km | 2 | - | - | ✓ Reviewed | USGS → |
A magnitude 2.3 seismic event took place 58 km SSE of Cantwell, Alaska on March 21, 2022 at 20:08 UTC. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-03-21 2022-03-21 19:58:40 UTC | 4.7mb | south of the Kermadec Islands -33.965°, -178.488° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On March 21, 2022 at 19:58 UTC, a magnitude 4.7 earthquake struck south of the Kermadec Islands. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-03-21 2022-03-21 19:45:07 UTC | 2.8ml | 37 km WSW of Mentone, Texas 31.613°, -103.975° | 7.6 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.8 earthquake 37 km WSW of Mentone, Texas with origin time 19:45 UTC on March 21, 2022. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-03-21 2022-03-21 19:39:05 UTC | 4.1mb | Kermadec Islands region -30.643°, -179.606° | 204.7 km | - | - | - | ✓ Reviewed | USGS → |
On March 21, 2022, worldwide seismic activity registered a magnitude 4.1 earthquake in the Kermadec Islands region at 19:39 UTC. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-03-21 2022-03-21 19:38:26 UTC | 2.3ml | 19 km SSE of Swan Lake, Montana 47.760°, -113.782° | 7.1 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.3 earthquake 19 km SSE of Swan Lake, Montana with origin time 19:38 UTC on March 21, 2022. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-03-21 2022-03-21 19:36:25 UTC | 3.1md | 4 km NNW of Levittown, Puerto Rico 18.492°, -66.193° | 105.8 km | 1 | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 3.1 earthquake 4 km NNW of Levittown, Puerto Rico came in on March 21, 2022 at 19:36 UTC. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-03-21 2022-03-21 19:26:19 UTC | 4.6mb | 30 km NNW of Labuan Bajo, Indonesia -8.245°, 119.779° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.6 earthquake 30 km NNW of Labuan Bajo, Indonesia with origin time 19:26 UTC on March 21, 2022. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-03-21 2022-03-21 19:24:47 UTC | 2.0ml | 12 km ENE of Chase, Alaska 62.495°, -149.889° | 57.9 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.0 earthquake 12 km ENE of Chase, Alaska at 19:24 UTC on March 21, 2022. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-03-21 2022-03-21 18:49:34 UTC | 4.0mb | 195 km WSW of Abepura, Indonesia -2.994°, 138.918° | 74.3 km | - | - | - | ✓ Reviewed | USGS → |
On March 21, 2022 at 18:49 UTC, a magnitude 4.0 earthquake struck 195 km WSW of Abepura, Indonesia. See the M4.0 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 21, 2022. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.