Earthquakes on March 28, 2026: 279 Worldwide, Largest M5.8

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 →
The USGS recorded this magnitude 4.3 earthquake 128 km WNW of Neiafu, Tonga at 23:41 UTC on March 28, 2026. At a depth of 256.5 km, the event was intermediate depth. Geolocation places the event at -18.370°N, -175.168°E. 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 →
March 28, 2026 brought a magnitude 2.4 earthquake 79 km SSE of Adak, Alaska, logged at 23:29 UTC. This was a shallow crustal earthquake, focused at 23.0 km depth. Geolocation places the event at 51.196°N, -176.294°E. 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 23:26:15 UTC	2.3ml	60 km ESE of Denali Park, Alaska 63.585°, -147.743°	1.5 km	-	-	-	✓ Reviewed	USGS →
At 23:26 UTC on March 28, 2026, a magnitude 2.3 tremor occurred 60 km ESE of Denali Park, Alaska. 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. The epicenter is at 63.585°, -147.743°. 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 →
The USGS recorded this magnitude 2.3 earthquake 96 km SW of Nikolski, Alaska at 23:15 UTC on March 28, 2026. 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. Geolocation places the event at 52.391°N, -169.969°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 23:01:48 UTC	2.0ml	57 km S of Whites City, New Mexico 31.656°, -104.392°	6.0 km	-	-	-	✓ Reviewed	USGS →
A magnitude 2.0 seismic event took place 57 km S of Whites City, New Mexico on March 28, 2026 at 23:01 UTC. It arrived roughly 8 hours after a larger magnitude 2.5 mainshock in the same 20 km area, placing it within the typical aftershock window. 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. The epicenter is at 31.656°, -104.392°. 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 →
A magnitude 2.2 earthquake was recorded 94 km SSE of Sand Point, Alaska on March 28, 2026 at 23:00 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.8 earthquake that occurred about 14 hours earlier. This was a shallow crustal earthquake, focused at 15.3 km depth. Geolocation places the event at 54.510°N, -160.179°E. 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 →
A magnitude 2.5 earthquake was recorded 236 km W of Adak, Alaska on March 28, 2026 at 22:56 UTC. 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. Coordinates: 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 →
At 22:52 UTC on March 28, 2026, a magnitude 3.1 tremor occurred 274 km W of Bandon, Oregon. 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. 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 →
Reports of a magnitude 2.1 earthquake 50 km W of Petersville, Alaska came in 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. Geolocation places the event at 62.491°N, -151.750°E. 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 →
This magnitude 3.9 event was detected 172 km NNW of The Valley, Anguilla on March 28, 2026, with origin time 22:28 UTC. The event originated approximately 30.0 km below the surface, classifying it as shallow crustal. Geolocation places the event at 19.681°N, -63.607°E. 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 →
A magnitude 3.2 earthquake was recorded 233 km ESE of Attu Station, Alaska on March 28, 2026 at 22:20 UTC. This was a shallow crustal earthquake, focused at 10.0 km depth. 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 →
A magnitude 2.1 seismic event took place 92 km SSE of Sand Point, Alaska on March 28, 2026 at 22:14 UTC. Coming 13 hours after a magnitude 2.8 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. Coordinates: 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 22:00:24 UTC	2.7ml	217 km SSE of Akutan, Alaska 52.510°, -163.958°	10.0 km	-	-	-	✓ Reviewed	USGS →
On March 28, 2026, worldwide seismic activity registered a magnitude 2.7 earthquake 217 km SSE of Akutan, Alaska at 22:00 UTC. This was a shallow crustal earthquake, focused at 10.0 km depth. The epicenter is at 52.510°, -163.958°. 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 →
Seismographs logged a magnitude 4.5 earthquake near Mozambique Channel with origin time 21:48 UTC on March 28, 2026. The hypocenter lay at 10.0 km, placing this in the shallow crustal category. The epicenter is at -20.828°, 39.855°. 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 →
March 28, 2026 brought a magnitude 2.3 earthquake 5 km NNE of Verden, Oklahoma, logged 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. Coordinates: 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 →
The USGS recorded this magnitude 3.1 earthquake 2 km NW of Weskan, Kansas at 20:31 UTC on March 28, 2026. A small number of nearby observers (8) submitted felt reports to the USGS. This was a shallow crustal earthquake, focused at 5.0 km depth. 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 →
This magnitude 4.3 event was detected in the Nicobar Islands, India region on March 28, 2026, with origin time 20:31 UTC. The event originated approximately 10.0 km below the surface, classifying it as shallow crustal. Coordinates: 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 19:58:43 UTC	2.5ml	4 km SW of Honoka‘a, Hawaii 20.048°, -155.493°	7.2 km	4	-	-	✓ Reviewed	USGS →
A magnitude 2.5 seismic event took place 4 km SW of Honoka‘a, Hawaii on March 28, 2026 at 19:58 UTC. 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. The epicenter is at 20.048°, -155.493°. 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 →
At 19:52 UTC on March 28, 2026, a magnitude 4.2 tremor occurred 55 km W of La Ligua, Chile. A small number of nearby observers (5) submitted felt reports to the USGS. The event originated approximately 31.1 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 -32.550°N, -71.811°E. 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 →
A magnitude 3.4 seismic event took place 82 km ENE of Christiansted, U.S. Virgin Islands on March 28, 2026 at 19:34 UTC. The hypocenter lay at 139.6 km, placing this in the intermediate depth category. The epicenter is at 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 →
On March 28, 2026, worldwide seismic activity registered a magnitude 4.5 earthquake 41 km E of Sulat, Philippines at 18:59 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. Geolocation places the event at 11.868°N, 125.829°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 18:45:07 UTC	3.2ml	287 km SE of Chiniak, Alaska 55.698°, -149.136°	10.0 km	-	-	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 3.2 earthquake 287 km SE of Chiniak, Alaska with origin time 18:45 UTC on March 28, 2026. 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. 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 →
Seismographs logged a magnitude 2.5 earthquake 81 km SW of Nikolski, Alaska with origin time 18:42 UTC on March 28, 2026. 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. The epicenter is at 52.388°, -169.650°. 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 →
Seismographs logged a magnitude 2.2 earthquake 37 km SSW of False Pass, Alaska with origin time 18:40 UTC on March 28, 2026. 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. Coordinates: 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 →
The USGS recorded this magnitude 4.2 earthquake 245 km SSE of Ambon, Indonesia at 18:12 UTC on March 28, 2026. At 309.7 km, this deep-focus earthquake originated far below the brittle crust, deep inside the mantle. Coordinates: -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.
2026-03-28 2026-03-28 17:59:58 UTC	2.0ml	91 km SW of Adak, Alaska 51.401°, -177.707°	30.3 km	-	-	-	✓ Reviewed	USGS →
March 28, 2026 brought a magnitude 2.0 earthquake 91 km SW of Adak, Alaska, logged at 17:59 UTC. At a depth of 30.3 km, the event was shallow crustal. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Geolocation places the event at 51.401°N, -177.707°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 17:59:40 UTC	4.2mwr	34 km SE of Yonakuni, Japan 24.220°, 123.211°	54.9 km	-	-	-	✓ Reviewed	USGS →
This magnitude 4.2 event was detected 34 km SE of Yonakuni, Japan on March 28, 2026, with origin time 17:59 UTC. The hypocenter lay at 54.9 km, placing this in the shallow crustal category. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. The epicenter is at 24.220°, 123.211°. 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 17:50:52 UTC	4.2mb	81 km WNW of Amagi, Japan 28.074°, 128.126°	10.0 km	-	-	-	✓ Reviewed	USGS →
Reports of a magnitude 4.2 earthquake 81 km WNW of Amagi, Japan came in on March 28, 2026 at 17:50 UTC. At a depth of 10.0 km, the event was shallow crustal. Geolocation places the event at 28.074°N, 128.126°E. 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.

Today's earthquakes Browse archive

March 27, 2026 March 29, 2026