Earthquakes on February 20, 2021
296
EARTHQUAKES on February 20, 2021
24-hour UTC period · USGS data
4 km deep
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
5
M4.0–4.9
41
M3.0–3.9
8
M2.0–2.9
81
M1.0–1.9
161
Activity Summary
296
Total earthquakes
~250
Daily average
Normal
Activity level
5
M5.0+ events
Geographic Breakdown
By US State
Significant Earthquakes (M4.5+)
5.5
63 km WNW of Port-Vila, Vanuatu
02:44 UTC · 4.2 km deep
5.1
290 km W of Bandon, Oregon
21:15 UTC · 10.0 km deep
Felt by 4
5.1
121 km ESE of Kokopo, Papua New Guinea
20:19 UTC · 59.5 km deep
Felt by 1
5.1
57 km WNW of Port-Vila, Vanuatu
17:25 UTC · 10.0 km deep
5.0
27 km SSW of Tournavista, Peru
19:49 UTC · 10.0 km deep
Felt by 1
4.9
off the coast of Oregon
21:22 UTC · 10.0 km deep
Felt by 5
4.9
200 km SSE of Lata, Solomon Islands
20:13 UTC · 46.3 km deep
4.9
82 km WNW of Port-Vila, Vanuatu
15:49 UTC · 10.0 km deep
Earthquake Map — February 20, 2021
All Earthquakes — February 20, 2021
Showing 30 of 135 (filtered from 296)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2021-02-20 2021-02-20 23:44:39 UTC | 2.8ml | 40 km NW of Ninilchik, Alaska 60.261°, -152.269° | 97.1 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.8 earthquake 40 km NW of Ninilchik, Alaska came in on February 20, 2021 at 23:44 UTC. The event was offshore. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-20 2021-02-20 23:39:03 UTC | 2.2md | 5 km SE of P?hala, Hawaii 19.166°, -155.450° | 37.2 km | - | - | - | Auto | USGS → |
The USGS recorded this magnitude 2.2 earthquake 5 km SE of P?hala, Hawaii at 23:39 UTC on February 20, 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 M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-20 2021-02-20 23:37:50 UTC | 2.4ml | 72 km SSW of Covenant Life, Alaska 58.877°, -136.725° | 4.5 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.4 seismic event took place 72 km SSW of Covenant Life, Alaska on February 20, 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 M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-20 2021-02-20 23:35:36 UTC | 2.4md | 4 km SE of P?hala, Hawaii 19.168°, -155.451° | 38.6 km | - | - | - | Auto | USGS → |
Reports of a magnitude 2.4 earthquake 4 km SE of P?hala, Hawaii came in on February 20, 2021 at 23:35 UTC. Coming 21 hours after a magnitude 2.4 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-20 2021-02-20 23:24:37 UTC | 2.2ml | 49 km ENE of Pedro Bay, Alaska 59.996°, -153.334° | 136.5 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.2 event was detected 49 km ENE of Pedro Bay, Alaska on February 20, 2021, with origin time 23:24 UTC. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-20 2021-02-20 23:18:48 UTC | 2.2ml | 32 km NW of Stanley, Idaho 44.447°, -115.197° | 7.8 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.2 earthquake was recorded 32 km NW of Stanley, Idaho on February 20, 2021 at 23:18 UTC. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-20 2021-02-20 22:44:17 UTC | 4.3mb | 32 km NNE of Komodo, Indonesia -8.299°, 119.561° | 164.3 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.3 seismic event took place 32 km NNE of Komodo, Indonesia on February 20, 2021 at 22:44 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-20 2021-02-20 22:13:57 UTC | 2.5ml | 5 km SSW of Princeton, Canada 49.414°, -120.542° | -0.4 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.5 earthquake was recorded 5 km SSW of Princeton, Canada on February 20, 2021 at 22:13 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. | ||||||||
2021-02-20 2021-02-20 21:44:25 UTC | 4.7mb | 77 km W of Port-Vila, Vanuatu -17.679°, 167.584° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.7 earthquake was recorded 77 km W of Port-Vila, Vanuatu on February 20, 2021 at 21:44 UTC. Coming 6 hours after a magnitude 4.9 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-20 2021-02-20 21:43:32 UTC | 2.0md | 7 km WSW of La Parguera, Puerto Rico 17.954°, -67.114° | 9.0 km | - | - | - | ✓ Reviewed | USGS → |
On February 20, 2021 at 21:43 UTC, a magnitude 2.0 earthquake struck 7 km WSW of La Parguera, Puerto Rico. It arrived roughly 11 hours after a larger magnitude 2.1 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. | ||||||||
2021-02-20 2021-02-20 21:22:34 UTC | 4.9mww | off the coast of Oregon 43.665°, -128.142° | 10.0 km | 5 | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.9 earthquake near off the coast of Oregon at 21:22 UTC on February 20, 2021. Coming 1 hours after a magnitude 5.1 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-20 2021-02-20 21:15:53 UTC | 5.1mww | 290 km W of Bandon, Oregon 43.669°, -127.920° | 10.0 km | 4 | - | - | ✓ Reviewed | USGS → |
A magnitude 5.1 earthquake was recorded 290 km W of Bandon, Oregon on February 20, 2021 at 21:15 UTC. A tsunami evaluation was automatically initiated given the magnitude and location. The event was offshore. See the M5.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-20 2021-02-20 21:08:04 UTC | 2.4md | 13km SE of Petrolia, CA 40.238°, -124.188° | 10.2 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.4 event was detected 13km SE of Petrolia, CA on February 20, 2021, with origin time 21:08 UTC. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-20 2021-02-20 21:03:05 UTC | 4.8mb | West Chile Rise -42.611°, -82.006° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
February 20, 2021 brought a magnitude 4.8 earthquake near West Chile Rise, logged at 21:03 UTC. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-20 2021-02-20 20:49:57 UTC | 4.2mb | 63 km WNW of Port-Vila, Vanuatu -17.431°, 167.812° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On February 20, 2021, worldwide seismic activity registered a magnitude 4.2 earthquake 63 km WNW of Port-Vila, Vanuatu at 20:49 UTC. It arrived roughly 18 hours after a larger magnitude 5.5 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-20 2021-02-20 20:19:54 UTC | 5.1mb | 121 km ESE of Kokopo, Papua New Guinea -4.662°, 153.313° | 59.5 km | 1 | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 5.1 earthquake 121 km ESE of Kokopo, Papua New Guinea with origin time 20:19 UTC on February 20, 2021. See the M5.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-20 2021-02-20 20:13:00 UTC | 4.9mb | 200 km SSE of Lata, Solomon Islands -12.470°, 166.279° | 46.3 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.9 event was detected 200 km SSE of Lata, Solomon Islands on February 20, 2021, with origin time 20:13 UTC. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-20 2021-02-20 19:52:57 UTC | 3.2ml | 20 km SE of Wright, Wyoming 43.644°, -105.288° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.2 seismic event took place 20 km SE of Wright, Wyoming on February 20, 2021 at 19:52 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-20 2021-02-20 19:49:45 UTC | 5.0mb | 27 km SSW of Tournavista, Peru -9.158°, -74.812° | 10.0 km | 1 | - | - | ✓ Reviewed | USGS → |
At 19:49 UTC on February 20, 2021, a magnitude 5.0 tremor occurred 27 km SSW of Tournavista, Peru. See the M5.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-20 2021-02-20 19:43:00 UTC | 2.1md | 3 km ENE of P?hala, Hawaii 19.211°, -155.444° | 33.7 km | - | - | - | Auto | USGS → |
A magnitude 2.1 seismic event took place 3 km ENE of P?hala, Hawaii on February 20, 2021 at 19:43 UTC. It arrived roughly 17 hours after a larger magnitude 2.4 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. | ||||||||
2021-02-20 2021-02-20 19:18:01 UTC | 2.0md | 7 km E of P?hala, Hawaii 19.207°, -155.407° | 0.5 km | - | - | - | Auto | USGS → |
This magnitude 2.0 event was detected 7 km E of P?hala, Hawaii on February 20, 2021, with origin time 19:18 UTC. It arrived roughly 17 hours after a larger magnitude 2.4 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 M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-20 2021-02-20 19:08:19 UTC | 2.0md | 4 km E of P?hala, Hawaii 19.199°, -155.436° | -0.5 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.0 earthquake 4 km E of P?hala, Hawaii with origin time 19:08 UTC on February 20, 2021. Coming 17 hours after a magnitude 2.4 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 M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-20 2021-02-20 18:58:59 UTC | 2.5ml | 23 km SSE of Waimea, Hawaii 19.834°, -155.578° | 24.8 km | - | - | - | ✓ Reviewed | USGS → |
At 18:58 UTC on February 20, 2021, a magnitude 2.5 tremor occurred 23 km SSE of Waimea, Hawaii. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-20 2021-02-20 18:32:35 UTC | 2.4md | 4 km ENE of P?hala, Hawaii 19.216°, -155.438° | 33.9 km | - | - | - | ✓ Reviewed | USGS → |
February 20, 2021 brought a magnitude 2.4 earthquake 4 km ENE of P?hala, Hawaii, logged at 18:32 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.4 earthquake that occurred about 16 hours earlier. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-20 2021-02-20 18:20:42 UTC | 2.7ml | 39 km NW of Atka, Alaska 52.407°, -174.674° | 228.6 km | - | - | - | ✓ Reviewed | USGS → |
On February 20, 2021, worldwide seismic activity registered a magnitude 2.7 earthquake 39 km NW of Atka, Alaska at 18:20 UTC. The event was offshore. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-20 2021-02-20 17:53:13 UTC | 2.8ml | 178 km S of Adak, Alaska 50.281°, -176.993° | 28.4 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.8 seismic event took place 178 km S of Adak, Alaska on February 20, 2021 at 17:53 UTC. The event was offshore. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-20 2021-02-20 17:31:30 UTC | 2.0ml | 1 km NE of Quinton, Oklahoma 35.132°, -95.356° | 3.2 km | - | - | - | Auto | USGS → |
At 17:31 UTC on February 20, 2021, a magnitude 2.0 tremor occurred 1 km NE of Quinton, Oklahoma. 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. | ||||||||
2021-02-20 2021-02-20 17:31:09 UTC | 3.0ml | 235 km W of Adak, Alaska 52.197°, 179.976° | 171.8 km | - | - | - | ✓ Reviewed | USGS → |
On February 20, 2021, worldwide seismic activity registered a magnitude 3.0 earthquake 235 km W of Adak, Alaska at 17:31 UTC. The event was offshore. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-20 2021-02-20 17:25:20 UTC | 5.1mb | 57 km WNW of Port-Vila, Vanuatu -17.485°, 167.840° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On February 20, 2021, worldwide seismic activity registered a magnitude 5.1 earthquake 57 km WNW of Port-Vila, Vanuatu at 17:25 UTC. It arrived roughly 15 hours after a larger magnitude 5.5 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M5.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-20 2021-02-20 17:16:39 UTC | 2.7ml | 100 km SSE of Sand Point, Alaska 54.580°, -159.653° | 22.8 km | - | - | - | ✓ Reviewed | USGS → |
At 17:16 UTC on February 20, 2021, a magnitude 2.7 tremor occurred 100 km SSE of Sand Point, Alaska. See the M2.7 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 20, 2021. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.