Time ↓	Mag ↕	Location ↕	Depth ↕	Felt ↕	MMI	Alert	Status	Details
2021-01-15 2021-01-15 23:54:15 UTC	2.1ml	south of Alaska 54.268°, -159.638°	27.6 km	-	-	-	✓ Reviewed	USGS →
Reports of a magnitude 2.1 earthquake south of Alaska came in on January 15, 2021 at 23:54 UTC. Coming 21 hours after a magnitude 2.7 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-01-15 2021-01-15 23:51:14 UTC	4.6mb	53 km SW of Chilca, Peru -12.825°, -77.126°	35.5 km	21	-	-	✓ Reviewed	USGS →
On January 15, 2021 at 23:51 UTC, a magnitude 4.6 earthquake struck 53 km SW of Chilca, Peru. The event was offshore. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-01-15 2021-01-15 23:48:55 UTC	3.1ml	93 km S of Atka, Alaska 51.361°, -174.010°	23.9 km	-	-	-	✓ Reviewed	USGS →
On January 15, 2021 at 23:48 UTC, a magnitude 3.1 earthquake struck 93 km S of Atka, Alaska. This event falls inside the aftershock decay of a nearby magnitude 4.0 earthquake that occurred about 8 hours earlier. The event was offshore. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-01-15 2021-01-15 23:44:45 UTC	2.1ml	84 km ESE of Sand Point, Alaska 54.992°, -159.323°	8.7 km	-	-	-	✓ Reviewed	USGS →
A magnitude 2.1 seismic event took place 84 km ESE of Sand Point, Alaska on January 15, 2021 at 23:44 UTC. It arrived roughly 6 hours after a larger magnitude 2.5 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.
2021-01-15 2021-01-15 23:42:41 UTC	2.1md	1km WSW of Round Valley, CA 37.411°, -118.605°	9.6 km	-	-	-	✓ Reviewed	USGS →
The USGS recorded this magnitude 2.1 earthquake 1km WSW of Round Valley, CA at 23:42 UTC on January 15, 2021. This event falls inside the aftershock decay of a nearby magnitude 2.2 earthquake that occurred about 19 hours earlier. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-01-15 2021-01-15 23:41:18 UTC	3.9mb	3 km S of Tiquisate, Guatemala 14.253°, -91.361°	61.2 km	-	-	-	✓ Reviewed	USGS →
This magnitude 3.9 event was detected 3 km S of Tiquisate, Guatemala on January 15, 2021, with origin time 23:41 UTC. The event was offshore. See the M3.9 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-01-15 2021-01-15 23:34:45 UTC	4.6mb	southern Mid-Atlantic Ridge -37.245°, -17.199°	10.0 km	-	-	-	✓ Reviewed	USGS →
A magnitude 4.6 earthquake was recorded near southern Mid-Atlantic Ridge on January 15, 2021 at 23:34 UTC. It arrived roughly 13 hours after a larger magnitude 5.6 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-01-15 2021-01-15 23:32:52 UTC	4.9mb	28 km SSE of Mamuju, Indonesia -2.933°, 118.954°	10.0 km	-	-	-	✓ Reviewed	USGS →
A magnitude 4.9 earthquake was recorded 28 km SSE of Mamuju, Indonesia on January 15, 2021 at 23:32 UTC. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-01-15 2021-01-15 23:24:21 UTC	4.4mb	42 km NE of Bandar-e Lengeh, Iran 26.819°, 55.196°	10.0 km	-	-	-	✓ Reviewed	USGS →
Reports of a magnitude 4.4 earthquake 42 km NE of Bandar-e Lengeh, Iran came in on January 15, 2021 at 23:24 UTC. This event falls inside the aftershock decay of a nearby magnitude 5.5 earthquake that occurred about 2 hours earlier. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-01-15 2021-01-15 23:19:50 UTC	2.5ml	14 km SSW of Coyanosa, Texas 31.120°, -103.110°	5.0 km	-	-	-	✓ Reviewed	USGS →
This magnitude 2.5 event was detected 14 km SSW of Coyanosa, Texas on January 15, 2021, with origin time 23:19 UTC. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-01-15 2021-01-15 23:00:02 UTC	5.0mb	110 km E of Laikit, Laikit II (Dimembe), Indonesia 1.514°, 125.964°	95.6 km	2	-	-	✓ Reviewed	USGS →
Reports of a magnitude 5.0 earthquake 110 km E of Laikit, Laikit II (Dimembe), Indonesia came in on January 15, 2021 at 23:00 UTC. The event was offshore. See the M5.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-01-15 2021-01-15 22:57:19 UTC	2.0md	41km NNE of Toms Place, CA 37.911°, -118.543°	6.8 km	-	-	-	✓ Reviewed	USGS →
January 15, 2021 brought a magnitude 2.0 earthquake 41km NNE of Toms Place, CA, logged at 22:57 UTC. It arrived roughly 1 hours after a larger magnitude 3.9 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.
2021-01-15 2021-01-15 22:50:15 UTC	2.9ml	40km NNE of Toms Place, CA 37.910°, -118.546°	8.0 km	-	III	-	✓ Reviewed	USGS →
On January 15, 2021, worldwide seismic activity registered a magnitude 2.9 earthquake 40km NNE of Toms Place, CA at 22:50 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.9 earthquake that occurred about 1 hours earlier. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-01-15 2021-01-15 22:48:55 UTC	4.6mb	7 km SSE of Hukay, Philippines 13.784°, 120.738°	158.6 km	-	-	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 4.6 earthquake 7 km SSE of Hukay, Philippines with origin time 22:48 UTC on January 15, 2021. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-01-15 2021-01-15 22:25:42 UTC	2.1ml	south of Alaska 55.581°, -156.314°	30.0 km	-	-	-	✓ Reviewed	USGS →
January 15, 2021 brought a magnitude 2.1 earthquake south of Alaska, logged at 22:25 UTC. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-01-15 2021-01-15 22:18:23 UTC	2.1md	40km NNE of Toms Place, CA 37.905°, -118.544°	5.7 km	-	-	-	✓ Reviewed	USGS →
At 22:18 UTC on January 15, 2021, a magnitude 2.1 tremor occurred 40km NNE of Toms Place, CA. Coming 1 hours after a magnitude 3.9 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-01-15 2021-01-15 22:11:07 UTC	3.9mw	41km NNE of Toms Place, CA 37.911°, -118.538°	7.7 km	9	V	-	✓ Reviewed	USGS →
Reports of a magnitude 3.9 earthquake 41km NNE of Toms Place, CA came in on January 15, 2021 at 22:11 UTC. In the 72 hours after this event, the USGS recorded 10 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M3.9 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-01-15 2021-01-15 21:55:09 UTC	2.2ml	91 km ESE of Sand Point, Alaska 54.965°, -159.227°	14.3 km	-	-	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 2.2 earthquake 91 km ESE of Sand Point, Alaska with origin time 21:55 UTC on January 15, 2021. Coming 5 hours after a magnitude 2.5 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-01-15 2021-01-15 21:32:56 UTC	4.9mb	39 km SW of Champerico, Guatemala 14.013°, -92.143°	24.3 km	2	-	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 4.9 earthquake 39 km SW of Champerico, Guatemala with origin time 21:32 UTC on January 15, 2021. It arrived roughly 5 hours after a larger magnitude 5.8 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-01-15 2021-01-15 21:31:04 UTC	5.5mww	52 km NE of Bandar-e Lengeh, Iran 26.942°, 55.197°	8.0 km	41	VI	yellow	✓ Reviewed	USGS →
Seismographs logged a magnitude 5.5 earthquake 52 km NE of Bandar-e Lengeh, Iran with origin time 21:31 UTC on January 15, 2021. The USGS PAGER system assigned a yellow alert level for this event, signalling local impact possible. The event was offshore. See the M5.5 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-01-15 2021-01-15 21:30:29 UTC	2.1ml	109 km SSE of Sand Point, Alaska 54.439°, -159.792°	13.1 km	-	-	-	✓ Reviewed	USGS →
On January 15, 2021 at 21:30 UTC, a magnitude 2.1 earthquake struck 109 km SSE of Sand Point, Alaska. Coming 3 hours after a magnitude 2.7 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-01-15 2021-01-15 21:17:44 UTC	2.1ml	29 km SW of Atka, Alaska 52.009°, -174.510°	89.8 km	-	-	-	✓ Reviewed	USGS →
A magnitude 2.1 earthquake was recorded 29 km SW of Atka, Alaska on January 15, 2021 at 21:17 UTC. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-01-15 2021-01-15 21:13:21 UTC	2.1md	41km NNE of Toms Place, CA 37.910°, -118.540°	7.3 km	-	-	-	✓ Reviewed	USGS →
This magnitude 2.1 event was detected 41km NNE of Toms Place, CA on January 15, 2021, with origin time 21:13 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.9 earthquake that occurred about 1 hours earlier. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-01-15 2021-01-15 21:08:11 UTC	2.4md	6 km SE of Maria Antonia, Puerto Rico 17.942°, -66.846°	13.0 km	-	-	-	✓ Reviewed	USGS →
A magnitude 2.4 earthquake was recorded 6 km SE of Maria Antonia, Puerto Rico on January 15, 2021 at 21:08 UTC. Coming 5 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 M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-01-15 2021-01-15 20:47:01 UTC	2.0md	41km NNE of Toms Place, CA 37.912°, -118.543°	7.0 km	-	-	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 2.0 earthquake 41km NNE of Toms Place, CA with origin time 20:47 UTC on January 15, 2021. 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.
2021-01-15 2021-01-15 20:42:01 UTC	2.1md	40km NNE of Toms Place, CA 37.908°, -118.542°	6.4 km	-	-	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 2.1 earthquake 40km NNE of Toms Place, CA with origin time 20:42 UTC on January 15, 2021. This event falls inside the aftershock decay of a nearby magnitude 2.9 earthquake that occurred about 1 hours earlier. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-01-15 2021-01-15 20:41:54 UTC	2.2md	40km NNE of Toms Place, CA 37.906°, -118.545°	4.9 km	-	-	-	✓ Reviewed	USGS →
On January 15, 2021 at 20:41 UTC, a magnitude 2.2 earthquake struck 40km NNE of Toms Place, CA. 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. 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.
2021-01-15 2021-01-15 20:38:11 UTC	2.9ml	41km NNE of Toms Place, CA 37.910°, -118.544°	5.8 km	2	III	-	✓ Reviewed	USGS →
At 20:38 UTC on January 15, 2021, a magnitude 2.9 tremor occurred 41km NNE of Toms Place, CA. In the 72 hours after this event, the USGS recorded 16 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-01-15 2021-01-15 20:37:55 UTC	4.6mb	99 km WNW of San Antonio de los Cobres, Argentina -23.996°, -67.263°	200.3 km	-	-	-	✓ Reviewed	USGS →
On January 15, 2021, worldwide seismic activity registered a magnitude 4.6 earthquake 99 km WNW of San Antonio de los Cobres, Argentina at 20:37 UTC. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-01-15 2021-01-15 20:18:19 UTC	5.1mb	88 km SSE of Panguna, Papua New Guinea -7.006°, 155.897°	10.0 km	-	-	-	✓ Reviewed	USGS →
This magnitude 5.1 event was detected 88 km SSE of Panguna, Papua New Guinea on January 15, 2021, with origin time 20:18 UTC. See the M5.1 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 January 15, 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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