Time ↓	Mag ↕	Location ↕	Depth ↕	Felt ↕	MMI	Alert	Status	Details
2026-03-28 2026-03-28 23:41:20 UTC	4.3mb	128 km WNW of Neiafu, Tonga -18.370°, -175.168°	256.5 km	-	-	-	✓ Reviewed	USGS →
This magnitude 4.3 event was detected 128 km WNW of Neiafu, Tonga on March 28, 2026, with origin time 23:41 UTC. The event originated approximately 256.5 km below the surface, classifying it as intermediate depth. Coordinates: -18.370°, -175.168°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-03-28 2026-03-28 23:30:06 UTC	4.6mb	116 km NE of Hihifo, Tonga -15.331°, -172.920°	10.0 km	-	-	-	✓ Reviewed	USGS →
A magnitude 4.6 seismic event took place 116 km NE of Hihifo, Tonga on March 28, 2026 at 23:30 UTC. The hypocenter lay at 10.0 km, placing this in the shallow crustal category. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Coordinates: -15.331°, -172.920°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-03-28 2026-03-28 23:29:58 UTC	2.4ml	79 km SSE of Adak, Alaska 51.196°, -176.294°	23.0 km	-	-	-	✓ Reviewed	USGS →
On March 28, 2026, worldwide seismic activity registered a magnitude 2.4 earthquake 79 km SSE of Adak, Alaska at 23:29 UTC. This was a shallow crustal earthquake, focused at 23.0 km depth. Coordinates: 51.196°, -176.294°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-03-28 2026-03-28 23:26:38 UTC	2.7ml	13 km SE of Wright, Wyoming 43.669°, -105.364°	0.0 km	-	-	-	✓ Reviewed	USGS →
This magnitude 2.7 event was detected 13 km SE of Wright, Wyoming on March 28, 2026, with origin time 23:26 UTC. It arrived roughly 5 hours after a larger magnitude 3.5 mainshock in the same 20 km area, placing it within the typical aftershock window. At a depth of just 0.0 km, this was a very shallow event, close enough to the surface that modest magnitudes can produce significant local shaking. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. The epicenter is at 43.669°, -105.364°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-03-28 2026-03-28 23:26:15 UTC	2.3ml	60 km ESE of Denali Park, Alaska 63.585°, -147.743°	1.5 km	-	-	-	✓ Reviewed	USGS →
A magnitude 2.3 seismic event took place 60 km ESE of Denali Park, Alaska on March 28, 2026 at 23:26 UTC. At a depth of just 1.5 km, this was a very shallow event, close enough to the surface that modest magnitudes can produce significant local shaking. Geolocation places the event at 63.585°N, -147.743°E. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-03-28 2026-03-28 23:15:18 UTC	2.3ml	96 km SW of Nikolski, Alaska 52.391°, -169.969°	20.2 km	-	-	-	✓ Reviewed	USGS →
March 28, 2026 brought a magnitude 2.3 earthquake 96 km SW of Nikolski, Alaska, logged at 23:15 UTC. At a depth of 20.2 km, the event was shallow crustal. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Coordinates: 52.391°, -169.969°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-03-28 2026-03-28 23:01:48 UTC	2.0ml	57 km S of Whites City, New Mexico 31.656°, -104.392°	6.0 km	-	-	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 2.0 earthquake 57 km S of Whites City, New Mexico with origin time 23:01 UTC on March 28, 2026. This event falls inside the aftershock decay of a nearby magnitude 2.5 earthquake that occurred about 8 hours earlier. The hypocenter lay at 6.0 km, placing this in the shallow crustal category. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Geolocation places the event at 31.656°N, -104.392°E. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-03-28 2026-03-28 23:00:47 UTC	2.2ml	94 km SSE of Sand Point, Alaska 54.510°, -160.179°	15.3 km	-	-	-	✓ Reviewed	USGS →
The USGS recorded this magnitude 2.2 earthquake 94 km SSE of Sand Point, Alaska at 23:00 UTC on March 28, 2026. Coming 14 hours after a magnitude 2.8 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. This was a shallow crustal earthquake, focused at 15.3 km depth. Coordinates: 54.510°, -160.179°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-03-28 2026-03-28 22:56:24 UTC	2.5ml	236 km W of Adak, Alaska 52.189°, 179.962°	146.1 km	-	-	-	✓ Reviewed	USGS →
The USGS recorded this magnitude 2.5 earthquake 236 km W of Adak, Alaska at 22:56 UTC on March 28, 2026. This was a intermediate depth earthquake, focused at 146.1 km depth. The offshore location combined with this depth is characteristic of seismicity along descending slabs. The epicenter is at 52.189°, 179.962°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-03-28 2026-03-28 22:52:57 UTC	3.1ml	274 km W of Bandon, Oregon 43.545°, -127.746°	10.0 km	-	-	-	✓ Reviewed	USGS →
Reports of a magnitude 3.1 earthquake 274 km W of Bandon, Oregon came in on March 28, 2026 at 22:52 UTC. At a depth of 10.0 km, the event was shallow crustal. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. The epicenter is at 43.545°, -127.746°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-03-28 2026-03-28 22:39:35 UTC	2.1ml	50 km W of Petersville, Alaska 62.491°, -151.750°	101.1 km	-	-	-	✓ Reviewed	USGS →
A magnitude 2.1 earthquake was recorded 50 km W of Petersville, Alaska on March 28, 2026 at 22:39 UTC. At a depth of 101.1 km, the event was intermediate depth. The offshore location combined with this depth is characteristic of seismicity along descending slabs. Coordinates: 62.491°, -151.750°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-03-28 2026-03-28 22:28:38 UTC	3.9md	172 km NNW of The Valley, Anguilla 19.681°, -63.607°	30.0 km	-	-	-	✓ Reviewed	USGS →
Reports of a magnitude 3.9 earthquake 172 km NNW of The Valley, Anguilla came in on March 28, 2026 at 22:28 UTC. This was a shallow crustal earthquake, focused at 30.0 km depth. Coordinates: 19.681°, -63.607°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M3.9 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-03-28 2026-03-28 22:20:29 UTC	3.2ml	233 km ESE of Attu Station, Alaska 52.031°, 176.350°	10.0 km	-	-	-	✓ Reviewed	USGS →
At 22:20 UTC on March 28, 2026, a magnitude 3.2 tremor occurred 233 km ESE of Attu Station, Alaska. The event originated approximately 10.0 km below the surface, classifying it as shallow crustal. The epicenter is at 52.031°, 176.350°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-03-28 2026-03-28 22:14:09 UTC	2.1ml	92 km SSE of Sand Point, Alaska 54.593°, -159.851°	0.0 km	-	-	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 2.1 earthquake 92 km SSE of Sand Point, Alaska with origin time 22:14 UTC on March 28, 2026. It arrived roughly 13 hours after a larger magnitude 2.8 mainshock in the same 20 km area, placing it within the typical aftershock window. At a depth of just 0.0 km, this was a very shallow event, close enough to the surface that modest magnitudes can produce significant local shaking. The epicenter is at 54.593°, -159.851°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-03-28 2026-03-28 22:00:23 UTC	2.7ml	224 km SSE of Akutan, Alaska 52.443°, -163.939°	10.0 km	-	-	-	✓ Reviewed	USGS →
Reports of a magnitude 2.7 earthquake 224 km SSE of Akutan, Alaska came in on March 28, 2026 at 22:00 UTC. This was a shallow crustal earthquake, focused at 10.0 km depth. Geolocation places the event at 52.443°N, -163.939°E. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-03-28 2026-03-28 21:48:37 UTC	4.5mb	Mozambique Channel -20.828°, 39.855°	10.0 km	-	-	-	✓ Reviewed	USGS →
On March 28, 2026, worldwide seismic activity registered a magnitude 4.5 earthquake near Mozambique Channel at 21:48 UTC. At a depth of 10.0 km, the event was shallow crustal. Geolocation places the event at -20.828°N, 39.855°E. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-03-28 2026-03-28 21:13:55 UTC	2.3ml	5 km NNE of Verden, Oklahoma 35.134°, -98.070°	3.5 km	-	-	-	Auto	USGS →
On March 28, 2026, worldwide seismic activity registered a magnitude 2.3 earthquake 5 km NNE of Verden, Oklahoma at 21:13 UTC. At a depth of just 3.5 km, this was a very shallow event, close enough to the surface that modest magnitudes can produce significant local shaking. The epicenter is at 35.134°, -98.070°. The automatic solution is preliminary and may be refined as additional station data arrives. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-03-28 2026-03-28 20:31:58 UTC	3.1mb_lg	2 km NW of Weskan, Kansas 38.882°, -101.990°	5.0 km	8	-	-	✓ Reviewed	USGS →
A magnitude 3.1 seismic event took place 2 km NW of Weskan, Kansas on March 28, 2026 at 20:31 UTC. A small number of nearby observers (8) submitted felt reports to the USGS. The event originated approximately 5.0 km below the surface, classifying it as shallow crustal. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Geolocation places the event at 38.882°N, -101.990°E. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-03-28 2026-03-28 20:31:04 UTC	4.3mb	Nicobar Islands, India region 6.874°, 92.464°	10.0 km	-	-	-	✓ Reviewed	USGS →
Reports of a magnitude 4.3 earthquake in the Nicobar Islands, India region came in on March 28, 2026 at 20:31 UTC. This was a shallow crustal earthquake, focused at 10.0 km depth. The epicenter is at 6.874°, 92.464°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-03-28 2026-03-28 20:04:33 UTC	3.3ml	12 km SE of Wright, Wyoming 43.685°, -105.361°	0.0 km	-	-	-	✓ Reviewed	USGS →
On March 28, 2026, worldwide seismic activity registered a magnitude 3.3 earthquake 12 km SE of Wright, Wyoming at 20:04 UTC. Coming 1 hours after a magnitude 3.5 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. At a depth of just 0.0 km, this was a very shallow event, close enough to the surface that modest magnitudes can produce significant local shaking. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Coordinates: 43.685°, -105.361°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M3.3 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-03-28 2026-03-28 19:58:43 UTC	2.5ml	4 km SW of Honoka‘a, Hawaii 20.048°, -155.493°	7.2 km	4	-	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 2.5 earthquake 4 km SW of Honoka‘a, Hawaii with origin time 19:58 UTC on March 28, 2026. A small number of nearby observers (4) submitted felt reports to the USGS. The event originated approximately 7.2 km below the surface, classifying it as shallow crustal. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Geolocation places the event at 20.048°N, -155.493°E. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-03-28 2026-03-28 19:52:23 UTC	4.2mwr	55 km W of La Ligua, Chile -32.550°, -71.811°	31.1 km	5	-	-	✓ Reviewed	USGS →
The USGS recorded this magnitude 4.2 earthquake 55 km W of La Ligua, Chile at 19:52 UTC on March 28, 2026. A small number of nearby observers (5) submitted felt reports to the USGS. This was a shallow crustal earthquake, focused at 31.1 km depth. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Coordinates: -32.550°, -71.811°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-03-28 2026-03-28 19:34:35 UTC	3.4md	82 km ENE of Christiansted, U.S. Virgin Islands 18.049°, -63.990°	139.6 km	-	-	-	✓ Reviewed	USGS →
On March 28, 2026 at 19:34 UTC, a magnitude 3.4 earthquake struck 82 km ENE of Christiansted, U.S. Virgin Islands. The event originated approximately 139.6 km below the surface, classifying it as intermediate depth. Coordinates: 18.049°, -63.990°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-03-28 2026-03-28 18:59:18 UTC	4.5mb	41 km E of Sulat, Philippines 11.868°, 125.829°	10.0 km	-	-	-	✓ Reviewed	USGS →
At 18:59 UTC on March 28, 2026, a magnitude 4.5 tremor occurred 41 km E of Sulat, Philippines. The event originated approximately 10.0 km below the surface, classifying it as shallow crustal. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Coordinates: 11.868°, 125.829°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-03-28 2026-03-28 18:51:40 UTC	3.5ml	22 km SE of Wright, Wyoming 43.609°, -105.284°	0.0 km	-	-	-	✓ Reviewed	USGS →
March 28, 2026 brought a magnitude 3.5 earthquake 22 km SE of Wright, Wyoming, logged at 18:51 UTC. At a depth of just 0.0 km, this was a very shallow event, close enough to the surface that modest magnitudes can produce significant local shaking. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Geolocation places the event at 43.609°N, -105.284°E. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M3.5 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-03-28 2026-03-28 18:45:07 UTC	3.2ml	287 km SE of Chiniak, Alaska 55.698°, -149.136°	10.0 km	-	-	-	✓ Reviewed	USGS →
The USGS recorded this magnitude 3.2 earthquake 287 km SE of Chiniak, Alaska at 18:45 UTC on March 28, 2026. This was a shallow crustal earthquake, focused at 10.0 km depth. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Geolocation places the event at 55.698°N, -149.136°E. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-03-28 2026-03-28 18:42:56 UTC	2.5ml	81 km SW of Nikolski, Alaska 52.388°, -169.650°	13.7 km	-	-	-	✓ Reviewed	USGS →
This magnitude 2.5 event was detected 81 km SW of Nikolski, Alaska on March 28, 2026, with origin time 18:42 UTC. The hypocenter lay at 13.7 km, placing this in the shallow crustal category. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Geolocation places the event at 52.388°N, -169.650°E. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-03-28 2026-03-28 18:40:43 UTC	2.2ml	37 km SSW of False Pass, Alaska 54.548°, -163.636°	1.8 km	-	-	-	✓ Reviewed	USGS →
This magnitude 2.2 event was detected 37 km SSW of False Pass, Alaska on March 28, 2026, with origin time 18:40 UTC. At a depth of just 1.8 km, this was a very shallow event, close enough to the surface that modest magnitudes can produce significant local shaking. The epicenter is at 54.548°, -163.636°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-03-28 2026-03-28 18:38:29 UTC	5.8mww	146 km NE of Lospalos, Timor Leste -7.507°, 127.858°	159.0 km	2	III	green	✓ Reviewed	USGS →
On March 28, 2026 at 18:38 UTC, a magnitude 5.8 earthquake struck 146 km NE of Lospalos, Timor Leste. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. It is the largest earthquake currently listed for worldwide seismic activity on March 28, 2026. Maximum shaking intensity peaked at MMI 3.6 (light). A small number of nearby observers (2) submitted felt reports to the USGS. The hypocenter lay at 159.0 km, placing this in the intermediate depth category. The offshore location combined with this depth is characteristic of seismicity along descending slabs. The epicenter is at -7.507°, 127.858°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M5.8 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-03-28 2026-03-28 18:12:36 UTC	4.2mb	245 km SSE of Ambon, Indonesia -5.813°, 128.843°	309.7 km	-	-	-	✓ Reviewed	USGS →
This magnitude 4.2 event was detected 245 km SSE of Ambon, Indonesia on March 28, 2026, with origin time 18:12 UTC. At 309.7 km, this deep-focus earthquake originated far below the brittle crust, deep inside the mantle. The epicenter is at -5.813°, 128.843°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M4.2 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 March 28, 2026. 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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