Earthquakes on March 17, 2021
381
EARTHQUAKES on March 17, 2021
24-hour UTC period · USGS data
LARGEST: M5.7 — West Chile Rise
10 km deep · 2 people felt it
Elevated activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
6
M4.0–4.9
47
M3.0–3.9
12
M2.0–2.9
76
M1.0–1.9
240
Activity Summary
381
Total earthquakes
~250
Daily average
Elevated
Activity level
6
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
5.7
West Chile Rise
00:12 UTC · 10.0 km deep
Felt by 2
5.6
Carlsberg Ridge
00:04 UTC · 10.0 km deep
5.1
63 km W of Panguna, Papua New Guinea
00:57 UTC · 61.4 km deep
5.0
Arafura Sea
17:37 UTC · 10.0 km deep
5.0
Halmahera, Indonesia
16:20 UTC · 93.6 km deep
5.0
58 km ENE of Namie, Japan
08:28 UTC · 45.9 km deep
Felt by 2
4.8
103 km NNE of Tobelo, Indonesia
21:23 UTC · 202.6 km deep
4.8
Kermadec Islands, New Zealand
20:38 UTC · 10.0 km deep
Earthquake Map — March 17, 2021
All Earthquakes — March 17, 2021
Showing 30 of 141 (filtered from 381)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2021-03-17 2021-03-17 23:49:03 UTC | 4.4mb | 169 km SSE of Ust’-Kamchatsk Staryy, Russia 54.744°, 163.067° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.4 earthquake 169 km SSE of Ust’-Kamchatsk Staryy, Russia came in on March 17, 2021 at 23:49 UTC. It arrived roughly 11 hours after a larger magnitude 4.8 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-17 2021-03-17 23:30:55 UTC | 4.2mb | 8 km E of Cuenca, Peru -12.429°, -74.959° | 83.7 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.2 earthquake 8 km E of Cuenca, Peru with origin time 23:30 UTC on March 17, 2021. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-17 2021-03-17 23:14:19 UTC | 4.4mb | 132 km S of Ust’-Kamchatsk Staryy, Russia 55.054°, 162.821° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.4 seismic event took place 132 km S of Ust’-Kamchatsk Staryy, Russia on March 17, 2021 at 23:14 UTC. This event falls inside the aftershock decay of a nearby magnitude 4.6 earthquake that occurred about 13 hours earlier. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-17 2021-03-17 22:59:49 UTC | 2.5ml | 6 km WSW of Helena, Oklahoma 36.515°, -98.337° | 7.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.5 seismic event took place 6 km WSW of Helena, Oklahoma on March 17, 2021 at 22:59 UTC. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-17 2021-03-17 22:42:26 UTC | 2.0ml | 43 km SE of False Pass, Alaska 54.550°, -162.987° | 13.3 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.0 earthquake 43 km SE of False Pass, Alaska with origin time 22:42 UTC on March 17, 2021. It arrived roughly 17 hours after a larger magnitude 2.2 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. | ||||||||
2021-03-17 2021-03-17 22:28:19 UTC | 2.0ml | 37 km S of Cantwell, Alaska 63.056°, -148.824° | 64.5 km | - | - | - | ✓ Reviewed | USGS → |
On March 17, 2021, worldwide seismic activity registered a magnitude 2.0 earthquake 37 km S of Cantwell, Alaska at 22:28 UTC. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-17 2021-03-17 22:26:37 UTC | 2.2ml | 24 km NW of Stanley, Idaho 44.346°, -115.192° | 10.3 km | - | - | - | ✓ Reviewed | USGS → |
On March 17, 2021 at 22:26 UTC, a magnitude 2.2 earthquake struck 24 km NW of Stanley, Idaho. This event falls inside the aftershock decay of a nearby magnitude 2.9 earthquake that occurred about 6 hours earlier. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-17 2021-03-17 22:18:06 UTC | 2.0ml | 43 km SSW of Atka, Alaska 51.820°, -174.364° | 46.8 km | - | - | - | ✓ Reviewed | USGS → |
At 22:18 UTC on March 17, 2021, a magnitude 2.0 tremor occurred 43 km SSW of Atka, Alaska. Coming 4 hours after a magnitude 4.7 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. | ||||||||
2021-03-17 2021-03-17 21:49:52 UTC | 4.5mb | 10 km ENE of Didouche Mourad, Algeria 36.490°, 6.746° | 10.0 km | 8 | - | - | ✓ Reviewed | USGS → |
March 17, 2021 brought a magnitude 4.5 earthquake 10 km ENE of Didouche Mourad, Algeria, logged at 21:49 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-17 2021-03-17 21:43:18 UTC | 2.0md | 6 km SE of P?hala, Hawaii 19.158°, -155.446° | 34.2 km | - | - | - | Auto | USGS → |
At 21:43 UTC on March 17, 2021, a magnitude 2.0 tremor occurred 6 km SE of P?hala, Hawaii. This event falls inside the aftershock decay of a nearby magnitude 3.2 earthquake that occurred about 11 hours earlier. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-17 2021-03-17 21:30:52 UTC | 4.6mb | 98 km W of Panguna, Papua New Guinea -6.437°, 154.607° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.6 earthquake 98 km W of Panguna, Papua New Guinea at 21:30 UTC on March 17, 2021. The event was offshore. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-17 2021-03-17 21:23:29 UTC | 4.8mb | 103 km NNE of Tobelo, Indonesia 2.546°, 128.459° | 202.6 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.8 event was detected 103 km NNE of Tobelo, Indonesia on March 17, 2021, with origin time 21:23 UTC. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-17 2021-03-17 20:52:03 UTC | 2.7ml | 197 km SSE of Akutan, Alaska 52.495°, -164.627° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.7 earthquake was recorded 197 km SSE of Akutan, Alaska on March 17, 2021 at 20:52 UTC. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-17 2021-03-17 20:46:54 UTC | 2.4md | 29km SE of Bodie, CA 38.035°, -118.769° | 2.7 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.4 earthquake was recorded 29km SE of Bodie, CA on March 17, 2021 at 20:46 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-17 2021-03-17 20:39:30 UTC | 4.5mb | 224 km NE of Gisborne, New Zealand -37.305°, 179.913° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On March 17, 2021 at 20:39 UTC, a magnitude 4.5 earthquake struck 224 km NE of Gisborne, New Zealand. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-17 2021-03-17 20:38:26 UTC | 4.8mb | Kermadec Islands, New Zealand -29.829°, -177.034° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.8 earthquake near Kermadec Islands, New Zealand came in on March 17, 2021 at 20:38 UTC. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-17 2021-03-17 20:33:22 UTC | 2.1md | 3 km SE of P?hala, Hawaii 19.184°, -155.452° | 38.1 km | - | - | - | Auto | USGS → |
Seismographs logged a magnitude 2.1 earthquake 3 km SE of P?hala, Hawaii with origin time 20:33 UTC on March 17, 2021. This event falls inside the aftershock decay of a nearby magnitude 3.2 earthquake that occurred about 10 hours earlier. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-17 2021-03-17 20:27:59 UTC | 2.0ml | 63 km SSW of Nelson Lagoon, Alaska 55.484°, -161.641° | 153.7 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.0 earthquake 63 km SSW of Nelson Lagoon, Alaska at 20:27 UTC on March 17, 2021. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-17 2021-03-17 20:27:42 UTC | 2.2ml | 88km SSW of Alberto Oviedo Mota, B.C., MX 31.530°, -115.620° | 4.4 km | - | - | - | ✓ Reviewed | USGS → |
March 17, 2021 brought a magnitude 2.2 earthquake 88km SSW of Alberto Oviedo Mota, B.C., MX, logged at 20:27 UTC. 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. | ||||||||
2021-03-17 2021-03-17 20:06:34 UTC | 4.2mb | off the east coast of the Kamchatka Peninsula, Russia 55.006°, 163.260° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On March 17, 2021, worldwide seismic activity registered a magnitude 4.2 earthquake near off the east coast of the Kamchatka Peninsula, Russia at 20:06 UTC. This event falls inside the aftershock decay of a nearby magnitude 4.4 earthquake that occurred about 17 hours earlier. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-17 2021-03-17 19:45:15 UTC | 2.6ml | 95 km SSE of King Cove, Alaska 54.323°, -161.568° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.6 earthquake 95 km SSE of King Cove, Alaska at 19:45 UTC on March 17, 2021. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-17 2021-03-17 19:44:23 UTC | 3.0ml | 143 km W of Lorino, Russia 65.613°, -174.808° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On March 17, 2021, worldwide seismic activity registered a magnitude 3.0 earthquake 143 km W of Lorino, Russia at 19:44 UTC. The event was offshore. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-17 2021-03-17 19:40:50 UTC | 3.1ml | 105 km WSW of Nikolski, Alaska 52.753°, -170.392° | 137.4 km | - | - | - | ✓ Reviewed | USGS → |
On March 17, 2021 at 19:40 UTC, a magnitude 3.1 earthquake struck 105 km WSW of Nikolski, Alaska. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-17 2021-03-17 19:33:18 UTC | 3.0ml | 14 km SSE of Antelope Valley-Crestview, Wyoming 44.114°, -105.379° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
At 19:33 UTC on March 17, 2021, a magnitude 3.0 tremor occurred 14 km SSE of Antelope Valley-Crestview, Wyoming. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-17 2021-03-17 19:20:11 UTC | 2.8ml | 141 km SSE of Sand Point, Alaska 54.156°, -159.673° | 21.7 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.8 seismic event took place 141 km SSE of Sand Point, Alaska on March 17, 2021 at 19:20 UTC. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-17 2021-03-17 19:16:05 UTC | 4.0mb | southern Mid-Atlantic Ridge -47.050°, -13.537° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.0 earthquake near southern Mid-Atlantic Ridge with origin time 19:16 UTC on March 17, 2021. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-17 2021-03-17 19:08:00 UTC | 3.3ml | 24 km SE of Wright, Wyoming 43.621°, -105.240° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 3.3 event was detected 24 km SE of Wright, Wyoming on March 17, 2021, with origin time 19:08 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M3.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-17 2021-03-17 18:57:29 UTC | 4.5mb | Banda Sea -6.918°, 129.880° | 155.7 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.5 earthquake was recorded near Banda Sea on March 17, 2021 at 18:57 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-17 2021-03-17 18:56:04 UTC | 4.8mb | 182 km SE of Kokopo, Papua New Guinea -5.713°, 153.192° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.8 seismic event took place 182 km SE of Kokopo, Papua New Guinea on March 17, 2021 at 18:56 UTC. The event was offshore. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-17 2021-03-17 18:55:22 UTC | 2.1ml | 30 km NW of Toyah, Texas 31.517°, -104.008° | 7.5 km | - | - | - | ✓ Reviewed | USGS → |
At 18:55 UTC on March 17, 2021, a magnitude 2.1 tremor occurred 30 km NW of Toyah, Texas. It arrived roughly 12 hours after a larger magnitude 2.3 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.1 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 March 17, 2021. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.