Time ↓	Mag ↕	Location ↕	Depth ↕	Felt ↕	MMI	Alert	Status	Details
2026-04-23 2026-04-23 23:22:32 UTC	5.0mww	46 km N of Yigo Village, Guam 13.954°, 144.925°	150.9 km	18	-	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 5.0 earthquake 46 km N of Yigo Village, Guam with origin time 23:22 UTC on April 23, 2026. The event generated 18 citizen felt reports to the USGS. It ranks as the third largest event in the current dataset. The event originated approximately 150.9 km below the surface, classifying it as intermediate depth. The offshore location combined with this depth is characteristic of seismicity along descending slabs. Coordinates: 13.954°, 144.925°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M5.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-04-23 2026-04-23 22:52:54 UTC	5.0mww	149 km E of Tatsugō, Japan 28.311°, 131.117°	10.0 km	-	-	-	✓ Reviewed	USGS →
On April 23, 2026, worldwide seismic activity registered a magnitude 5.0 earthquake 149 km E of Tatsugō, Japan at 22:52 UTC. It ranks as the fourth largest event in the current dataset. 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. The epicenter is at 28.311°, 131.117°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M5.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-04-23 2026-04-23 22:46:08 UTC	2.4ml	23 km E of Port Alsworth, Alaska 60.220°, -153.893°	203.7 km	-	-	-	✓ Reviewed	USGS →
April 23, 2026 brought a magnitude 2.4 earthquake 23 km E of Port Alsworth, Alaska, logged at 22:46 UTC. At a depth of 203.7 km, the event was intermediate depth. The offshore location combined with this depth is characteristic of seismicity along descending slabs. The epicenter is at 60.220°, -153.893°. 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.
2026-04-23 2026-04-23 22:34:59 UTC	2.7ml	51 km SE of Sand Point, Alaska 55.073°, -159.831°	6.3 km	-	-	-	✓ Reviewed	USGS →
This magnitude 2.7 event was detected 51 km SE of Sand Point, Alaska on April 23, 2026, with origin time 22:34 UTC. The hypocenter lay at 6.3 km, placing this in the shallow crustal category. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Coordinates: 55.073°, -159.831°. 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.
2026-04-23 2026-04-23 22:23:48 UTC	3.0ml	138 km SE of Akutan, Alaska 53.294°, -164.221°	35.0 km	-	-	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 3.0 earthquake 138 km SE of Akutan, Alaska with origin time 22:23 UTC on April 23, 2026. The hypocenter lay at 35.0 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 53.294°N, -164.221°E. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-04-23 2026-04-23 22:18:22 UTC	4.4mb	131 km ENE of Miyako, Japan 40.085°, 143.370°	32.3 km	-	-	-	✓ Reviewed	USGS →
On April 23, 2026 at 22:18 UTC, a magnitude 4.4 earthquake struck 131 km ENE of Miyako, Japan. The hypocenter lay at 32.3 km, placing this in the shallow crustal category. Coordinates: 40.085°, 143.370°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-04-23 2026-04-23 22:13:24 UTC	4.6mb	280 km ENE of Lospalos, Timor Leste -7.200°, 129.171°	145.3 km	-	-	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 4.6 earthquake 280 km ENE of Lospalos, Timor Leste with origin time 22:13 UTC on April 23, 2026. The hypocenter lay at 145.3 km, placing this in the intermediate depth category. The epicenter is at -7.200°, 129.171°. 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.
2026-04-23 2026-04-23 22:10:37 UTC	4.0mb	Izu Islands, Japan region 29.811°, 138.788°	417.9 km	-	-	-	✓ Reviewed	USGS →
On April 23, 2026, worldwide seismic activity registered a magnitude 4.0 earthquake in the Izu Islands, Japan region at 22:10 UTC. At 417.9 km, this deep-focus earthquake originated far below the brittle crust, deep inside the mantle. Geolocation places the event at 29.811°N, 138.788°E. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-04-23 2026-04-23 20:33:16 UTC	2.0ml	7 km ESE of Pearsall, Texas 28.854°, -99.027°	5.9 km	-	-	-	✓ Reviewed	USGS →
The USGS recorded this magnitude 2.0 earthquake 7 km ESE of Pearsall, Texas at 20:33 UTC on April 23, 2026. This was a shallow crustal earthquake, focused at 5.9 km depth. Coordinates: 28.854°, -99.027°. 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.
2026-04-23 2026-04-23 20:32:18 UTC	4.4mb	40 km WNW of Colonia Dora, Argentina -28.415°, -63.307°	570.6 km	-	-	-	✓ Reviewed	USGS →
A magnitude 4.4 earthquake was recorded 40 km WNW of Colonia Dora, Argentina on April 23, 2026 at 20:32 UTC. At 570.6 km, this deep-focus earthquake originated far below the brittle crust, deep inside the mantle. The epicenter is at -28.415°, -63.307°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-04-23 2026-04-23 20:24:10 UTC	4.2mb	144 km NNE of Tobelo, Indonesia 3.012°, 128.263°	206.9 km	-	-	-	✓ Reviewed	USGS →
On April 23, 2026 at 20:24 UTC, a magnitude 4.2 earthquake struck 144 km NNE of Tobelo, Indonesia. The event originated approximately 206.9 km below the surface, classifying it as intermediate depth. The epicenter is at 3.012°, 128.263°. 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.
2026-04-23 2026-04-23 20:21:03 UTC	3.0ml	69 km SE of King Cove, Alaska 54.658°, -161.491°	35.0 km	-	-	-	✓ Reviewed	USGS →
On April 23, 2026, worldwide seismic activity registered a magnitude 3.0 earthquake 69 km SE of King Cove, Alaska at 20:21 UTC. At a depth of 35.0 km, the event was shallow crustal. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Coordinates: 54.658°, -161.491°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-04-23 2026-04-23 19:37:30 UTC	2.0ml	43 km ESE of Pedro Bay, Alaska 59.667°, -153.366°	132.3 km	-	-	-	✓ Reviewed	USGS →
This magnitude 2.0 event was detected 43 km ESE of Pedro Bay, Alaska on April 23, 2026, with origin time 19:37 UTC. The hypocenter lay at 132.3 km, placing this in the intermediate depth category. The epicenter is at 59.667°, -153.366°. 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.
2026-04-23 2026-04-23 19:30:43 UTC	2.1md	1 km WNW of Cooter, Missouri 36.051°, -89.826°	10.3 km	6	-	-	✓ Reviewed	USGS →
At 19:30 UTC on April 23, 2026, a magnitude 2.1 tremor occurred 1 km WNW of Cooter, Missouri. It arrived roughly 2 hours after a larger magnitude 4.0 mainshock in the same 20 km area, placing it within the typical aftershock window. A small number of nearby observers (6) submitted felt reports to the USGS. The hypocenter lay at 10.3 km, placing this in the shallow crustal category. The epicenter is at 36.051°, -89.826°. 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.
2026-04-23 2026-04-23 19:09:07 UTC	2.3ml	27 km SSW of False Pass, Alaska 54.617°, -163.544°	8.0 km	-	-	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 2.3 earthquake 27 km SSW of False Pass, Alaska with origin time 19:09 UTC on April 23, 2026. The hypocenter lay at 8.0 km, placing this in the shallow crustal category. The epicenter is at 54.617°, -163.544°. 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.
2026-04-23 2026-04-23 18:42:39 UTC	3.0ml	287 km W of Ferndale, California 40.611°, -127.659°	10.0 km	-	-	-	✓ Reviewed	USGS →
At 18:42 UTC on April 23, 2026, a magnitude 3.0 tremor occurred 287 km W of Ferndale, California. 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 40.611°, -127.659°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-04-23 2026-04-23 18:35:45 UTC	2.4ml	68 km W of Nanwalek, Alaska 59.294°, -153.120°	95.7 km	-	-	-	✓ Reviewed	USGS →
On April 23, 2026 at 18:35 UTC, a magnitude 2.4 earthquake struck 68 km W of Nanwalek, Alaska. The event originated approximately 95.7 km below the surface, classifying it as intermediate depth. The offshore location combined with this depth is characteristic of seismicity along descending slabs. Geolocation places the event at 59.294°N, -153.120°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.
2026-04-23 2026-04-23 18:19:43 UTC	4.2mb	south of the Fiji Islands -23.840°, -179.726°	512.3 km	-	-	-	✓ Reviewed	USGS →
A magnitude 4.2 earthquake was recorded south of the Fiji Islands on April 23, 2026 at 18:19 UTC. At 512.3 km, this deep-focus earthquake originated far below the brittle crust, deep inside the mantle. Geolocation places the event at -23.840°N, -179.726°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.
2026-04-23 2026-04-23 17:59:04 UTC	4.0mw	1 km WNW of Cooter, Missouri 36.054°, -89.826°	11.8 km	913	III	green	✓ Reviewed	USGS →
At 17:59 UTC on April 23, 2026, a magnitude 4.0 tremor occurred 1 km WNW of Cooter, Missouri. Of every earthquake currently listed for worldwide seismic activity, this one generated the most felt reports from the public. The USGS received 913 felt reports from nearby residents — a notable response for an event of this magnitude. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. Peak ground motion corresponded to MMI 3.8, classified as light shaking. The hypocenter lay at 11.8 km, placing this in the shallow crustal category. Coordinates: 36.054°, -89.826°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-04-23 2026-04-23 17:55:48 UTC	4.0mb	260 km E of Levuka, Fiji -17.905°, -178.231°	649.8 km	-	-	-	✓ Reviewed	USGS →
The USGS recorded this magnitude 4.0 earthquake 260 km E of Levuka, Fiji at 17:55 UTC on April 23, 2026. At 649.8 km, this is the deepest earthquake in the current dataset — firmly in the deep-focus category. The offshore location combined with this depth is characteristic of seismicity along descending slabs. The epicenter is at -17.905°, -178.231°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-04-23 2026-04-23 17:49:11 UTC	4.7mb	south of the Kermadec Islands -34.638°, -179.195°	10.0 km	-	-	-	✓ Reviewed	USGS →
On April 23, 2026 at 17:49 UTC, a magnitude 4.7 earthquake struck south of the Kermadec Islands. The event originated approximately 10.0 km below the surface, classifying it as shallow crustal. Geolocation places the event at -34.638°N, -179.195°E. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-04-23 2026-04-23 17:46:15 UTC	4.8mb	south of the Kermadec Islands -34.736°, -179.380°	10.0 km	-	-	-	✓ Reviewed	USGS →
Reports of a magnitude 4.8 earthquake south of the Kermadec Islands came in on April 23, 2026 at 17:46 UTC. This was a shallow crustal earthquake, focused at 10.0 km depth. Geolocation places the event at -34.736°N, -179.380°E. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-04-23 2026-04-23 17:38:13 UTC	2.3ml	56 km NNW of Petersville, Alaska 62.939°, -151.294°	114.1 km	-	-	-	✓ Reviewed	USGS →
The USGS recorded this magnitude 2.3 earthquake 56 km NNW of Petersville, Alaska at 17:38 UTC on April 23, 2026. This was a intermediate depth earthquake, focused at 114.1 km depth. The epicenter is at 62.939°, -151.294°. 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.
2026-04-23 2026-04-23 17:25:26 UTC	4.6mb	south of the Kermadec Islands -34.594°, -179.315°	10.0 km	-	-	-	✓ Reviewed	USGS →
On April 23, 2026, worldwide seismic activity registered a magnitude 4.6 earthquake south of the Kermadec Islands at 17:25 UTC. At a depth of 10.0 km, the event was shallow crustal. Geolocation places the event at -34.594°N, -179.315°E. 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.
2026-04-23 2026-04-23 16:56:57 UTC	4.3mb	109 km E of Miyako, Japan 39.831°, 143.190°	35.0 km	-	-	-	✓ Reviewed	USGS →
On April 23, 2026, worldwide seismic activity registered a magnitude 4.3 earthquake 109 km E of Miyako, Japan at 16:56 UTC. Coming 17 hours after a magnitude 4.8 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. This was a shallow crustal earthquake, focused at 35.0 km depth. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Coordinates: 39.831°, 143.190°. 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.
2026-04-23 2026-04-23 16:49:41 UTC	4.6mb	Volcano Islands, Japan region 23.119°, 142.450°	10.0 km	-	-	-	✓ Reviewed	USGS →
At 16:49 UTC on April 23, 2026, a magnitude 4.6 tremor occurred in the Volcano Islands, Japan region. The event originated approximately 10.0 km below the surface, classifying it as shallow crustal. Coordinates: 23.119°, 142.450°. 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.
2026-04-23 2026-04-23 16:44:56 UTC	2.3md	0 km SSW of Santa Isabel, Puerto Rico 17.964°, -66.406°	13.5 km	-	-	-	✓ Reviewed	USGS →
On April 23, 2026, worldwide seismic activity registered a magnitude 2.3 earthquake 0 km SSW of Santa Isabel, Puerto Rico at 16:44 UTC. At a depth of 13.5 km, the event was shallow crustal. Geolocation places the event at 17.964°N, -66.406°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.
2026-04-23 2026-04-23 16:30:45 UTC	2.7ml	7 km NNE of Seldovia Village, Alaska 59.534°, -151.595°	51.4 km	-	-	-	✓ Reviewed	USGS →
Reports of a magnitude 2.7 earthquake 7 km NNE of Seldovia Village, Alaska came in on April 23, 2026 at 16:30 UTC. At a depth of 51.4 km, the event was shallow crustal. The epicenter is at 59.534°, -151.595°. 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.
2026-04-23 2026-04-23 16:30:24 UTC	4.2mb	157 km S of Bambanglipuro, Indonesia -9.370°, 110.143°	49.5 km	-	-	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 4.2 earthquake 157 km S of Bambanglipuro, Indonesia with origin time 16:30 UTC on April 23, 2026. The hypocenter lay at 49.5 km, placing this in the shallow crustal category. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Coordinates: -9.370°, 110.143°. 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.
2026-04-23 2026-04-23 16:27:47 UTC	4.3mb	145 km ESE of Kokopo, Papua New Guinea -4.607°, 153.555°	118.4 km	-	-	-	✓ Reviewed	USGS →
At 16:27 UTC on April 23, 2026, a magnitude 4.3 tremor occurred 145 km ESE of Kokopo, Papua New Guinea. The hypocenter lay at 118.4 km, placing this in the intermediate depth category. The epicenter is at -4.607°, 153.555°. 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.

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 April 23, 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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