Time ↓	Mag ↕	Location ↕	Depth ↕	Felt ↕	MMI	Alert	Status	Details
2021-03-23 2021-03-23 23:47:09 UTC	4.5mb	Kermadec Islands, New Zealand -29.811°, -177.348°	10.0 km	-	-	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 4.5 earthquake near Kermadec Islands, New Zealand with origin time 23:47 UTC on March 23, 2021. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-03-23 2021-03-23 23:28:34 UTC	2.0ml	91 km SSE of Sand Point, Alaska 54.626°, -159.773°	15.8 km	-	-	-	✓ Reviewed	USGS →
March 23, 2021 brought a magnitude 2.0 earthquake 91 km SSE of Sand Point, Alaska, logged at 23:28 UTC. It arrived roughly 3 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.
2021-03-23 2021-03-23 22:30:24 UTC	4.4mb	Kermadec Islands region -28.204°, -177.763°	10.0 km	-	-	-	✓ Reviewed	USGS →
Reports of a magnitude 4.4 earthquake in the Kermadec Islands region came in on March 23, 2021 at 22:30 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-03-23 2021-03-23 22:19:37 UTC	2.2ml	53 km E of Atka, Alaska 52.139°, -173.421°	81.8 km	-	-	-	✓ Reviewed	USGS →
The USGS recorded this magnitude 2.2 earthquake 53 km E of Atka, Alaska at 22:19 UTC on March 23, 2021. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-03-23 2021-03-23 21:15:47 UTC	2.8md	10km ENE of Yountville, CA 38.426°, -122.256°	10.5 km	42	-	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 2.8 earthquake 10km ENE of Yountville, CA with origin time 21:15 UTC on March 23, 2021. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-03-23 2021-03-23 21:14:18 UTC	5.3mww	101 km NE of Aksu, China 41.818°, 81.162°	10.0 km	-	VI	yellow	✓ Reviewed	USGS →
A magnitude 5.3 earthquake was recorded 101 km NE of Aksu, China on March 23, 2021 at 21:14 UTC. The USGS PAGER system assigned a yellow alert level for this event, signalling local impact possible. The event was offshore. See the M5.3 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-03-23 2021-03-23 20:59:13 UTC	2.2md	4km SSW of Anderson Springs, CA 38.746°, -122.711°	1.6 km	-	-	-	✓ Reviewed	USGS →
On March 23, 2021, worldwide seismic activity registered a magnitude 2.2 earthquake 4km SSW of Anderson Springs, CA at 20:59 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.3 earthquake that occurred about 5 hours earlier. 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.
2021-03-23 2021-03-23 20:54:52 UTC	2.2ml	115 km ENE of Ouzinkie, Alaska 58.335°, -150.708°	12.0 km	-	-	-	✓ Reviewed	USGS →
This magnitude 2.2 event was detected 115 km ENE of Ouzinkie, Alaska on March 23, 2021, with origin time 20:54 UTC. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-03-23 2021-03-23 20:52:02 UTC	4.9mb	83 km ESE of Laikit, Laikit II (Dimembe), Indonesia 1.338°, 125.709°	69.7 km	-	-	-	✓ Reviewed	USGS →
At 20:52 UTC on March 23, 2021, a magnitude 4.9 tremor occurred 83 km ESE of Laikit, Laikit II (Dimembe), Indonesia. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-03-23 2021-03-23 20:35:17 UTC	4.5mb	southeast Indian Ridge -50.355°, 112.420°	10.0 km	-	-	-	✓ Reviewed	USGS →
On March 23, 2021, worldwide seismic activity registered a magnitude 4.5 earthquake near southeast Indian Ridge at 20:35 UTC. This event falls inside the aftershock decay of a nearby magnitude 5.0 earthquake that occurred about 13 hours earlier. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-03-23 2021-03-23 20:34:46 UTC	2.6ml	10 km SE of Ratliff City, Oklahoma 34.385°, -97.429°	5.6 km	-	-	-	✓ Reviewed	USGS →
On March 23, 2021, worldwide seismic activity registered a magnitude 2.6 earthquake 10 km SE of Ratliff City, Oklahoma at 20:34 UTC. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-03-23 2021-03-23 20:34:46 UTC	2.0ml	98 km SSE of King Cove, Alaska 54.309°, -161.524°	19.0 km	-	-	-	✓ Reviewed	USGS →
On March 23, 2021 at 20:34 UTC, a magnitude 2.0 earthquake struck 98 km SSE of King Cove, Alaska. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-03-23 2021-03-23 20:23:23 UTC	2.7ml	95 km SSE of Sand Point, Alaska 54.611°, -159.706°	32.0 km	-	-	-	✓ Reviewed	USGS →
This magnitude 2.7 event was detected 95 km SSE of Sand Point, Alaska on March 23, 2021, with origin time 20:23 UTC. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-03-23 2021-03-23 20:21:34 UTC	2.3md	9 km NE of P?hala, Hawaii 19.251°, -155.404°	34.0 km	-	-	-	Auto	USGS →
On March 23, 2021 at 20:21 UTC, a magnitude 2.3 earthquake struck 9 km NE of P?hala, Hawaii. This event falls inside the aftershock decay of a nearby magnitude 2.4 earthquake that occurred about 14 hours earlier. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-03-23 2021-03-23 20:06:53 UTC	2.1ml	5 km NNW of Tetherow, Oregon 44.087°, -121.386°	-1.5 km	1	-	-	✓ Reviewed	USGS →
On March 23, 2021 at 20:06 UTC, a magnitude 2.1 earthquake struck 5 km NNW of Tetherow, Oregon. 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.
2021-03-23 2021-03-23 19:42:48 UTC	4.1mb	192 km SSE of Vilyuchinsk, Russia 51.373°, 159.637°	10.0 km	-	-	-	✓ Reviewed	USGS →
A magnitude 4.1 earthquake was recorded 192 km SSE of Vilyuchinsk, Russia on March 23, 2021 at 19:42 UTC. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-03-23 2021-03-23 19:36:10 UTC	4.2mb	Afghanistan-Tajikistan-Pakistan region 36.721°, 71.528°	168.1 km	-	-	-	✓ Reviewed	USGS →
This magnitude 4.2 event was detected in the Afghanistan-Tajikistan-Pakistan region on March 23, 2021, with origin time 19:36 UTC. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-03-23 2021-03-23 19:30:27 UTC	4.0mb	29 km ENE of Ozernovskiy, Russia 51.602°, 156.889°	138.0 km	-	-	-	✓ Reviewed	USGS →
The USGS recorded this magnitude 4.0 earthquake 29 km ENE of Ozernovskiy, Russia at 19:30 UTC on March 23, 2021. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-03-23 2021-03-23 19:20:50 UTC	4.4mb	northern Mid-Atlantic Ridge 52.116°, -30.099°	10.0 km	-	-	-	✓ Reviewed	USGS →
A magnitude 4.4 seismic event took place near northern Mid-Atlantic Ridge on March 23, 2021 at 19:20 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-03-23 2021-03-23 18:59:10 UTC	3.3ml	Wyoming 43.780°, -105.328°	0.0 km	-	-	-	✓ Reviewed	USGS →
A magnitude 3.3 seismic event took place near Wyoming on March 23, 2021 at 18:59 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.
2021-03-23 2021-03-23 18:56:46 UTC	4.2mb	27 km N of A?bak, Afghanistan 36.508°, 68.070°	41.2 km	-	-	-	✓ Reviewed	USGS →
Reports of a magnitude 4.2 earthquake 27 km N of A?bak, Afghanistan came in on March 23, 2021 at 18:56 UTC. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-03-23 2021-03-23 18:42:35 UTC	2.0ml	17 km NW of Eads, Colorado 38.587°, -102.929°	5.0 km	-	-	-	✓ Reviewed	USGS →
A magnitude 2.0 earthquake was recorded 17 km NW of Eads, Colorado on March 23, 2021 at 18:42 UTC. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-03-23 2021-03-23 18:22:00 UTC	2.5ml	30 km NNE of Skwentna, Alaska 62.225°, -151.094°	69.1 km	-	-	-	✓ Reviewed	USGS →
A magnitude 2.5 seismic event took place 30 km NNE of Skwentna, Alaska on March 23, 2021 at 18:22 UTC. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-03-23 2021-03-23 18:03:00 UTC	4.3mb	South Sandwich Islands region -55.783°, -30.561°	10.0 km	-	-	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 4.3 earthquake in the South Sandwich Islands region with origin time 18:03 UTC on March 23, 2021. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-03-23 2021-03-23 17:52:08 UTC	2.7ml	55 km S of Whites City, New Mexico 31.679°, -104.393°	6.1 km	-	-	-	✓ Reviewed	USGS →
Reports of a magnitude 2.7 earthquake 55 km S of Whites City, New Mexico came in on March 23, 2021 at 17:52 UTC. Coming 16 hours after a magnitude 3.1 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-03-23 2021-03-23 17:14:04 UTC	2.2md	4km W of Cobb, CA 38.824°, -122.766°	1.7 km	-	-	-	✓ Reviewed	USGS →
On March 23, 2021, worldwide seismic activity registered a magnitude 2.2 earthquake 4km W of Cobb, CA at 17:14 UTC. Coming 2 hours after a magnitude 2.3 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 M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-03-23 2021-03-23 17:08:43 UTC	4.0mb	Kepulauan Babar, Indonesia -7.017°, 129.756°	138.1 km	-	-	-	✓ Reviewed	USGS →
This magnitude 4.0 event was detected near Kepulauan Babar, Indonesia on March 23, 2021, with origin time 17:08 UTC. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-03-23 2021-03-23 17:06:49 UTC	2.2md	4km W of Cobb, CA 38.824°, -122.766°	2.1 km	-	-	-	✓ Reviewed	USGS →
A magnitude 2.2 earthquake was recorded 4km W of Cobb, CA on March 23, 2021 at 17:06 UTC. It arrived roughly 2 hours after a larger magnitude 2.3 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 M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-03-23 2021-03-23 16:31:25 UTC	2.5ml	54 km S of Whites City, New Mexico 31.684°, -104.411°	6.2 km	-	-	-	✓ Reviewed	USGS →
March 23, 2021 brought a magnitude 2.5 earthquake 54 km S of Whites City, New Mexico, logged at 16:31 UTC. Coming 15 hours after a magnitude 3.1 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-03-23 2021-03-23 16:26:40 UTC	2.6ml	55 km S of Whites City, New Mexico 31.680°, -104.411°	6.8 km	1	-	-	✓ Reviewed	USGS →
At 16:26 UTC on March 23, 2021, a magnitude 2.6 tremor occurred 55 km S of Whites City, New Mexico. It arrived roughly 15 hours after a larger magnitude 3.1 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.6 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 23, 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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