Time ↓	Mag ↕	Location ↕	Depth ↕	Felt ↕	MMI	Alert	Status	Details
2021-02-21 2021-02-21 23:56:29 UTC	3.5md	81 km NNE of Cruz Bay, U.S. Virgin Islands 18.993°, -64.445°	33.0 km	-	-	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 3.5 earthquake 81 km NNE of Cruz Bay, U.S. Virgin Islands with origin time 23:56 UTC on February 21, 2021. See the M3.5 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-02-21 2021-02-21 23:56:23 UTC	3.2ml	120 km SSE of Sand Point, Alaska 54.331°, -159.799°	18.1 km	-	-	-	✓ Reviewed	USGS →
On February 21, 2021 at 23:56 UTC, a magnitude 3.2 earthquake struck 120 km SSE of Sand Point, Alaska. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-02-21 2021-02-21 23:44:05 UTC	2.3ml	24 km SSE of Mina, Nevada 38.170°, -118.050°	6.3 km	-	-	-	✓ Reviewed	USGS →
Reports of a magnitude 2.3 earthquake 24 km SSE of Mina, Nevada came in on February 21, 2021 at 23:44 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.9 earthquake that occurred about 21 hours earlier. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-02-21 2021-02-21 23:40:45 UTC	4.5mb	214 km SE of Pondaguitan, Philippines 4.957°, 127.515°	106.4 km	-	-	-	✓ Reviewed	USGS →
On February 21, 2021 at 23:40 UTC, a magnitude 4.5 earthquake struck 214 km SE of Pondaguitan, Philippines. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-02-21 2021-02-21 23:39:40 UTC	4.9mb	southeast of the Loyalty Islands -23.422°, 171.526°	10.0 km	-	-	-	✓ Reviewed	USGS →
On February 21, 2021, worldwide seismic activity registered a magnitude 4.9 earthquake southeast of the Loyalty Islands at 23:39 UTC. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-02-21 2021-02-21 23:34:38 UTC	2.0ml	10 km SE of Ratliff City, Oklahoma 34.382°, -97.422°	5.8 km	-	-	-	✓ Reviewed	USGS →
At 23:34 UTC on February 21, 2021, a magnitude 2.0 tremor occurred 10 km SE of Ratliff City, Oklahoma. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-02-21 2021-02-21 23:24:58 UTC	2.8ml	99 km WSW of Adak, Alaska 51.445°, -177.901°	33.8 km	-	-	-	✓ Reviewed	USGS →
A magnitude 2.8 earthquake was recorded 99 km WSW of Adak, Alaska on February 21, 2021 at 23:24 UTC. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-02-21 2021-02-21 23:22:12 UTC	2.2md	10 km SSE of Maria Antonia, Puerto Rico 17.894°, -66.841°	14.0 km	-	-	-	✓ Reviewed	USGS →
February 21, 2021 brought a magnitude 2.2 earthquake 10 km SSE of Maria Antonia, Puerto Rico, logged at 23:22 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.8 earthquake that occurred about 16 hours earlier. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-02-21 2021-02-21 23:19:04 UTC	4.7mb	143 km NW of Neiafu, Tonga -17.883°, -175.081°	245.2 km	-	-	-	✓ Reviewed	USGS →
On February 21, 2021, worldwide seismic activity registered a magnitude 4.7 earthquake 143 km NW of Neiafu, Tonga at 23:19 UTC. The event was offshore. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-02-21 2021-02-21 23:05:32 UTC	3.7mb	225 km WSW of Adak, Alaska 50.832°, -179.413°	10.0 km	-	-	-	✓ Reviewed	USGS →
On February 21, 2021 at 23:05 UTC, a magnitude 3.7 earthquake struck 225 km WSW of Adak, Alaska. Coming 8 hours after a magnitude 4.8 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M3.7 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-02-21 2021-02-21 23:02:42 UTC	2.7ml	72 km SSE of Adak, Alaska 51.325°, -176.077°	35.0 km	-	-	-	✓ Reviewed	USGS →
This magnitude 2.7 event was detected 72 km SSE of Adak, Alaska on February 21, 2021, with origin time 23:02 UTC. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-02-21 2021-02-21 23:00:10 UTC	2.1ml	78 km SE of King Cove, Alaska 54.670°, -161.307°	13.1 km	-	-	-	✓ Reviewed	USGS →
This magnitude 2.1 event was detected 78 km SE of King Cove, Alaska on February 21, 2021, with origin time 23:00 UTC. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-02-21 2021-02-21 22:54:34 UTC	5.2mww	southeast of the Loyalty Islands -23.242°, 171.476°	10.0 km	-	-	-	✓ Reviewed	USGS →
On February 21, 2021 at 22:54 UTC, a magnitude 5.2 earthquake struck southeast of the Loyalty Islands. It is the largest earthquake currently listed for worldwide seismic activity on February 21, 2021. See the M5.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-02-21 2021-02-21 22:53:26 UTC	4.2mb	Banda Sea -6.720°, 129.414°	116.4 km	-	-	-	✓ Reviewed	USGS →
A magnitude 4.2 earthquake was recorded near Banda Sea on February 21, 2021 at 22:53 UTC. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-02-21 2021-02-21 22:14:27 UTC	3.7md	13 km WSW of San Rafael del Yuma, Dominican Republic 18.397°, -68.799°	132.0 km	1	-	-	✓ Reviewed	USGS →
A magnitude 3.7 earthquake was recorded 13 km WSW of San Rafael del Yuma, Dominican Republic on February 21, 2021 at 22:14 UTC. See the M3.7 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-02-21 2021-02-21 21:47:30 UTC	2.1ml	11 km NNE of Tanner, Washington 47.564°, -121.676°	9.1 km	10	-	-	✓ Reviewed	USGS →
On February 21, 2021, worldwide seismic activity registered a magnitude 2.1 earthquake 11 km NNE of Tanner, Washington at 21:47 UTC. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-02-21 2021-02-21 21:42:07 UTC	4.4mb	Fiji region -21.205°, -178.734°	582.1 km	-	-	-	✓ Reviewed	USGS →
On February 21, 2021, worldwide seismic activity registered a magnitude 4.4 earthquake in the Fiji region at 21:42 UTC. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-02-21 2021-02-21 21:41:35 UTC	4.2mb	64 km WSW of Tobelo, Indonesia 1.498°, 127.473°	123.8 km	-	-	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 4.2 earthquake 64 km WSW of Tobelo, Indonesia with origin time 21:41 UTC on February 21, 2021. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-02-21 2021-02-21 21:34:57 UTC	4.8mb	139 km ENE of ‘Ohonua, Tonga -20.972°, -173.662°	10.0 km	-	-	-	✓ Reviewed	USGS →
On February 21, 2021 at 21:34 UTC, a magnitude 4.8 earthquake struck 139 km ENE of ‘Ohonua, Tonga. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-02-21 2021-02-21 21:22:21 UTC	3.1ml	32 km SSE of Hawthorne, Nevada 38.248°, -118.498°	9.8 km	1	-	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 3.1 earthquake 32 km SSE of Hawthorne, Nevada with origin time 21:22 UTC on February 21, 2021. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-02-21 2021-02-21 21:20:57 UTC	3.3ml	129 km SE of Atka, Alaska 51.456°, -172.748°	35.0 km	-	-	-	✓ Reviewed	USGS →
A magnitude 3.3 seismic event took place 129 km SE of Atka, Alaska on February 21, 2021 at 21:20 UTC. The event was offshore. See the M3.3 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-02-21 2021-02-21 21:10:44 UTC	4.9mb	65 km SSW of Bengkulu, Indonesia -4.376°, 102.138°	47.8 km	-	-	-	✓ Reviewed	USGS →
At 21:10 UTC on February 21, 2021, a magnitude 4.9 tremor occurred 65 km SSW of Bengkulu, Indonesia. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-02-21 2021-02-21 21:05:28 UTC	4.7mb	Mariana Islands region 18.107°, 147.568°	10.0 km	-	-	-	✓ Reviewed	USGS →
At 21:05 UTC on February 21, 2021, a magnitude 4.7 tremor occurred in the Mariana Islands region. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-02-21 2021-02-21 20:59:14 UTC	4.4mb	266 km SSW of Bengkulu, Indonesia -6.006°, 101.304°	10.0 km	-	-	-	✓ Reviewed	USGS →
At 20:59 UTC on February 21, 2021, a magnitude 4.4 tremor occurred 266 km SSW of Bengkulu, Indonesia. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-02-21 2021-02-21 20:36:46 UTC	4.6mb	southeast of the Loyalty Islands -22.968°, 172.246°	10.0 km	-	-	-	✓ Reviewed	USGS →
Reports of a magnitude 4.6 earthquake southeast of the Loyalty Islands came in on February 21, 2021 at 20:36 UTC. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-02-21 2021-02-21 20:33:02 UTC	2.0md	7 km ENE of P?hala, Hawaii 19.226°, -155.409°	34.3 km	-	-	-	Auto	USGS →
Reports of a magnitude 2.0 earthquake 7 km ENE of P?hala, Hawaii came in on February 21, 2021 at 20:33 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.0 earthquake that occurred about 17 hours earlier. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-02-21 2021-02-21 20:13:49 UTC	2.3ml	31 km SW of Coyanosa, Texas 31.075°, -103.326°	4.2 km	-	-	-	✓ Reviewed	USGS →
A magnitude 2.3 seismic event took place 31 km SW of Coyanosa, Texas on February 21, 2021 at 20:13 UTC. Coming 4 hours after a magnitude 2.8 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 M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-02-21 2021-02-21 19:36:55 UTC	4.5mb	southeast of the Loyalty Islands -22.756°, 171.671°	10.0 km	-	-	-	✓ Reviewed	USGS →
A magnitude 4.5 earthquake was recorded southeast of the Loyalty Islands on February 21, 2021 at 19:36 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-02-21 2021-02-21 19:36:27 UTC	2.4ml	43 km NNW of Karluk, Alaska 57.905°, -154.819°	76.5 km	-	-	-	✓ Reviewed	USGS →
Reports of a magnitude 2.4 earthquake 43 km NNW of Karluk, Alaska came in on February 21, 2021 at 19:36 UTC. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-02-21 2021-02-21 18:54:18 UTC	2.2md	8km WNW of Cobb, CA 38.838°, -122.809°	2.2 km	-	-	-	✓ Reviewed	USGS →
A magnitude 2.2 seismic event took place 8km WNW of Cobb, CA on February 21, 2021 at 18:54 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.

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 21, 2021. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.

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Earthquakes on February 21, 2021

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Earthquake Map — February 21, 2021

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