Earthquakes on May 23, 2026: 283 Worldwide, Largest M6.0

Time ↓	Mag ↕	Location ↕	Depth ↕	Felt ↕	MMI	Alert	Status	Details
2026-05-23 2026-05-23 23:55:18 UTC	2.9ml	54 km N of Atka, Alaska 52.683°, -174.062°	224.9 km	-	-	-	✓ Reviewed	USGS →
Reports of a magnitude 2.9 earthquake 54 km N of Atka, Alaska came in on May 23, 2026 at 23:55 UTC. This was a intermediate depth earthquake, focused at 224.9 km depth. The offshore location combined with this depth is characteristic of seismicity along descending slabs. Coordinates: 52.683°, -174.062°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-05-23 2026-05-23 23:54:28 UTC	4.9mb	141 km SSW of Gataivai, Samoa -14.908°, -172.990°	10.0 km	-	-	-	✓ Reviewed	USGS →
The USGS recorded this magnitude 4.9 earthquake 141 km SSW of Gataivai, Samoa at 23:54 UTC on May 23, 2026. At a depth of 10.0 km, the event was shallow crustal. Coordinates: -14.908°, -172.990°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-05-23 2026-05-23 23:13:35 UTC	2.2ml	101 km SSE of Sand Point, Alaska 54.472°, -160.012°	33.7 km	-	-	-	✓ Reviewed	USGS →
Reports of a magnitude 2.2 earthquake 101 km SSE of Sand Point, Alaska came in on May 23, 2026 at 23:13 UTC. It arrived roughly 8 hours after a larger magnitude 2.3 mainshock in the same 20 km area, placing it within the typical aftershock window. This was a shallow crustal earthquake, focused at 33.7 km depth. The epicenter is at 54.472°, -160.012°. 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.
2026-05-23 2026-05-23 23:09:35 UTC	2.5ml	53 km NE of Susitna North, Alaska 62.454°, -149.029°	23.3 km	1	-	-	✓ Reviewed	USGS →
May 23, 2026 brought a magnitude 2.5 earthquake 53 km NE of Susitna North, Alaska, logged at 23:09 UTC. A small number of nearby observers (1) submitted felt reports to the USGS. At a depth of 23.3 km, the event was shallow crustal. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. The epicenter is at 62.454°, -149.029°. 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.
2026-05-23 2026-05-23 23:07:23 UTC	2.2md	9 km E of Pāpa‘ikou, Hawaii 19.793°, -155.006°	34.9 km	-	-	-	Auto	USGS →
A magnitude 2.2 seismic event took place 9 km E of Pāpa‘ikou, Hawaii on May 23, 2026 at 23:07 UTC. The hypocenter lay at 34.9 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 19.793°N, -155.006°E. The automatic solution is preliminary and may be refined as additional station data arrives. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-05-23 2026-05-23 23:00:24 UTC	3.7md	56 km SE of Boca de Yuma, Dominican Republic 18.041°, -68.209°	78.0 km	-	-	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 3.7 earthquake 56 km SE of Boca de Yuma, Dominican Republic with origin time 23:00 UTC on May 23, 2026. The hypocenter lay at 78.0 km, placing this in the intermediate depth category. The offshore location combined with this depth is characteristic of seismicity along descending slabs. Coordinates: 18.041°, -68.209°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M3.7 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-05-23 2026-05-23 22:51:59 UTC	4.0mb	Fiji region -17.501°, -176.772°	337.3 km	-	-	-	✓ Reviewed	USGS →
This magnitude 4.0 event was detected in the Fiji region on May 23, 2026, with origin time 22:51 UTC. At 337.3 km, this deep-focus earthquake originated far below the brittle crust, deep inside the mantle. Coordinates: -17.501°, -176.772°. 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.
2026-05-23 2026-05-23 22:51:33 UTC	2.7ml	210 km WSW of Adak, Alaska 51.334°, -179.545°	39.8 km	-	-	-	✓ Reviewed	USGS →
This magnitude 2.7 event was detected 210 km WSW of Adak, Alaska on May 23, 2026, with origin time 22:51 UTC. The hypocenter lay at 39.8 km, placing this in the shallow crustal category. Coordinates: 51.334°, -179.545°. 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.
2026-05-23 2026-05-23 22:43:47 UTC	2.1md	2 km SSW of Pāhala, Hawaii 19.184°, -155.491°	30.1 km	-	-	-	Auto	USGS →
At 22:43 UTC on May 23, 2026, a magnitude 2.1 tremor occurred 2 km SSW of Pāhala, Hawaii. Coming 5 hours after a magnitude 2.6 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The hypocenter lay at 30.1 km, placing this in the shallow crustal category. Coordinates: 19.184°, -155.491°. The automatic solution is preliminary and may be refined as additional station data arrives. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-05-23 2026-05-23 22:15:51 UTC	4.3mb	29 km SE of Calama, Chile -22.675°, -68.755°	107.6 km	-	-	-	✓ Reviewed	USGS →
This magnitude 4.3 event was detected 29 km SE of Calama, Chile on May 23, 2026, with origin time 22:15 UTC. The hypocenter lay at 107.6 km, placing this in the intermediate depth category. The offshore location combined with this depth is characteristic of seismicity along descending slabs. Geolocation places the event at -22.675°N, -68.755°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.
2026-05-23 2026-05-23 21:58:23 UTC	2.3ml	49 km E of Pedro Bay, Alaska 59.855°, -153.226°	137.6 km	-	-	-	✓ Reviewed	USGS →
A magnitude 2.3 earthquake was recorded 49 km E of Pedro Bay, Alaska on May 23, 2026 at 21:58 UTC. It arrived roughly 4 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 137.6 km, the event was intermediate depth. The offshore location combined with this depth is characteristic of seismicity along descending slabs. The epicenter is at 59.855°, -153.226°. 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.
2026-05-23 2026-05-23 21:54:49 UTC	2.8ml	150 km WSW of Adak, Alaska 51.147°, -178.468°	33.8 km	-	-	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 2.8 earthquake 150 km WSW of Adak, Alaska with origin time 21:54 UTC on May 23, 2026. This event falls inside the aftershock decay of a nearby magnitude 3.5 earthquake that occurred about 1 hours earlier. The hypocenter lay at 33.8 km, placing this in the shallow crustal category. Geolocation places the event at 51.147°N, -178.468°E. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-05-23 2026-05-23 21:52:57 UTC	3.5ml	139 km WSW of Adak, Alaska 51.287°, -178.415°	30.6 km	-	III	-	✓ Reviewed	USGS →
The USGS recorded this magnitude 3.5 earthquake 139 km WSW of Adak, Alaska at 21:52 UTC on May 23, 2026. Peak ground motion corresponded to MMI 3.2, classified as light shaking. This was a shallow crustal earthquake, focused at 30.6 km depth. Coordinates: 51.287°, -178.415°. 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.
2026-05-23 2026-05-23 21:49:16 UTC	5.3mww	168 km SW of Nikolski, Alaska 51.734°, -170.349°	7.2 km	-	III	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 5.3 earthquake 168 km SW of Nikolski, Alaska with origin time 21:49 UTC on May 23, 2026. Peak ground motion corresponded to MMI 3.3, classified as light shaking. It ranks as the third largest event in the current dataset. 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. Coordinates: 51.734°, -170.349°. See the M5.3 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-05-23 2026-05-23 21:26:04 UTC	4.3mb	7 km ESE of Cepitá, Colombia 6.733°, -72.910°	163.6 km	-	-	-	✓ Reviewed	USGS →
Reports of a magnitude 4.3 earthquake 7 km ESE of Cepitá, Colombia came in on May 23, 2026 at 21:26 UTC. At a depth of 163.6 km, the event was intermediate depth. Coordinates: 6.733°, -72.910°. 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.
2026-05-23 2026-05-23 21:20:46 UTC	2.6md	8 km SSE of Indios, Puerto Rico 17.920°, -66.793°	7.0 km	-	-	-	✓ Reviewed	USGS →
Reports of a magnitude 2.6 earthquake 8 km SSE of Indios, Puerto Rico came in on May 23, 2026 at 21:20 UTC. This was a shallow crustal earthquake, focused at 7.0 km depth. Geolocation places the event at 17.920°N, -66.793°E. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-05-23 2026-05-23 20:47:22 UTC	2.1ml	124 km WSW of Adak, Alaska 51.279°, -178.154°	29.6 km	-	-	-	✓ Reviewed	USGS →
Reports of a magnitude 2.1 earthquake 124 km WSW of Adak, Alaska came in on May 23, 2026 at 20:47 UTC. At a depth of 29.6 km, the event was shallow crustal. Geolocation places the event at 51.279°N, -178.154°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.
2026-05-23 2026-05-23 20:02:55 UTC	3.0ml	6 km E of Pistol River, Oregon 42.273°, -124.313°	6.1 km	-	-	-	✓ Reviewed	USGS →
The USGS recorded this magnitude 3.0 earthquake 6 km E of Pistol River, Oregon at 20:02 UTC on May 23, 2026. At a depth of 6.1 km, the event was shallow crustal. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. The epicenter is at 42.273°, -124.313°. 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.
2026-05-23 2026-05-23 19:42:46 UTC	2.1ml	43 km SSE of Yakutat, Alaska 59.173°, -139.517°	18.1 km	-	-	-	✓ Reviewed	USGS →
A magnitude 2.1 seismic event took place 43 km SSE of Yakutat, Alaska on May 23, 2026 at 19:42 UTC. The event originated approximately 18.1 km below the surface, classifying it as shallow crustal. Coordinates: 59.173°, -139.517°. 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.
2026-05-23 2026-05-23 19:21:15 UTC	2.9ml	179 km E of Atka, Alaska 52.346°, -171.584°	10.0 km	-	-	-	✓ Reviewed	USGS →
A magnitude 2.9 seismic event took place 179 km E of Atka, Alaska on May 23, 2026 at 19:21 UTC. It arrived roughly 1 hours after a larger magnitude 3.5 mainshock in the same 20 km area, placing it within the typical aftershock window. 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. The epicenter is at 52.346°, -171.584°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-05-23 2026-05-23 19:19:06 UTC	5.3mww	southeast of Easter Island -35.723°, -104.982°	10.0 km	-	-	-	✓ Reviewed	USGS →
On May 23, 2026, worldwide seismic activity registered a magnitude 5.3 earthquake southeast of Easter Island at 19:19 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 epicenter is at -35.723°, -104.982°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M5.3 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-05-23 2026-05-23 19:17:16 UTC	3.5mb	176 km E of Atka, Alaska 52.353°, -171.634°	12.1 km	-	II	-	✓ Reviewed	USGS →
This magnitude 3.5 event was detected 176 km E of Atka, Alaska on May 23, 2026, with origin time 19:17 UTC. Maximum shaking intensity peaked at MMI 2.2 (weak). The hypocenter lay at 12.1 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 52.353°, -171.634°. 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.
2026-05-23 2026-05-23 19:06:10 UTC	2.4ml	9 km SSW of Bear Dance, Montana 47.832°, -114.062°	13.3 km	-	-	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 2.4 earthquake 9 km SSW of Bear Dance, Montana with origin time 19:06 UTC on May 23, 2026. The hypocenter lay at 13.3 km, placing this in the shallow crustal category. The epicenter is at 47.832°, -114.062°. 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.
2026-05-23 2026-05-23 18:08:19 UTC	4.2mb	139 km SSW of Pagar Alam, Indonesia -5.123°, 102.626°	39.4 km	-	-	-	✓ Reviewed	USGS →
A magnitude 4.2 earthquake was recorded 139 km SSW of Pagar Alam, Indonesia on May 23, 2026 at 18:08 UTC. At a depth of 39.4 km, the event was shallow crustal. The epicenter is at -5.123°, 102.626°. 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.
2026-05-23 2026-05-23 18:08:17 UTC	4.0mb	32 km SSE of Jurm, Afghanistan 36.591°, 70.965°	230.1 km	-	-	-	✓ Reviewed	USGS →
Reports of a magnitude 4.0 earthquake 32 km SSE of Jurm, Afghanistan came in on May 23, 2026 at 18:08 UTC. This was a intermediate depth earthquake, focused at 230.1 km depth. The epicenter is at 36.591°, 70.965°. 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.
2026-05-23 2026-05-23 18:04:42 UTC	2.2md	13 km SSE of Pāhala, Hawaii 19.101°, -155.413°	44.3 km	-	-	-	Auto	USGS →
On May 23, 2026, worldwide seismic activity registered a magnitude 2.2 earthquake 13 km SSE of Pāhala, Hawaii at 18:04 UTC. It arrived roughly 1 hours after a larger magnitude 2.6 mainshock in the same 20 km area, placing it within the typical aftershock window. At a depth of 44.3 km, the event was shallow crustal. The epicenter is at 19.101°, -155.413°. The automatic solution is preliminary and may be refined as additional station data arrives. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-05-23 2026-05-23 18:03:34 UTC	2.0ml	Utah 41.782°, -111.670°	9.7 km	-	-	-	✓ Reviewed	USGS →
A magnitude 2.0 seismic event took place near Utah on May 23, 2026 at 18:03 UTC. The hypocenter lay at 9.7 km, placing this in the shallow crustal category. The epicenter is at 41.782°, -111.670°. 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.
2026-05-23 2026-05-23 17:45:54 UTC	3.1ml	276 km WSW of Adak, Alaska 51.240°, 179.518°	40.2 km	-	-	-	✓ Reviewed	USGS →
On May 23, 2026, worldwide seismic activity registered a magnitude 3.1 earthquake 276 km WSW of Adak, Alaska at 17:45 UTC. This was a shallow crustal earthquake, focused at 40.2 km depth. Geolocation places the event at 51.240°N, 179.518°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.
2026-05-23 2026-05-23 17:39:51 UTC	4.4mb	Fiji region -20.550°, -178.713°	602.2 km	-	-	-	✓ Reviewed	USGS →
At 17:39 UTC on May 23, 2026, a magnitude 4.4 tremor occurred in the Fiji region. At 602.2 km, this is the deepest earthquake in the current dataset — firmly in the deep-focus category. Coordinates: -20.550°, -178.713°. 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.
2026-05-23 2026-05-23 17:33:02 UTC	2.8ml	50 km ENE of Pedro Bay, Alaska 60.004°, -153.315°	137.2 km	-	-	-	✓ Reviewed	USGS →
On May 23, 2026, worldwide seismic activity registered a magnitude 2.8 earthquake 50 km ENE of Pedro Bay, Alaska at 17:33 UTC. At a depth of 137.2 km, the event was intermediate depth. Coordinates: 60.004°, -153.315°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.8 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 May 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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