Earthquakes on May 31, 2026: 179 Worldwide, Largest M6.0

Time ↓	Mag ↕	Location ↕	Depth ↕	Felt ↕	MMI	Alert	Status	Details
2 days ago 2026-05-31 23:43:42 UTC	2.0ml	18 km SE of Port Hueneme, CA 34.022°, -119.068°	9.8 km	-	-	-	✓ Reviewed	USGS →
On May 31, 2026, worldwide seismic activity registered a magnitude 2.0 earthquake 18 km SE of Port Hueneme, CA at 23:43 UTC. At a depth of 9.8 km, the event was shallow crustal. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Coordinates: 34.022°, -119.068°. 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.
2 days ago 2026-05-31 23:29:48 UTC	3.4md	31 km NW of Rincón, Puerto Rico 18.502°, -67.492°	9.8 km	-	-	-	✓ Reviewed	USGS →
On May 31, 2026 at 23:29 UTC, a magnitude 3.4 earthquake struck 31 km NW of Rincón, Puerto Rico. The event originated approximately 9.8 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 18.502°, -67.492°. 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.
2 days ago 2026-05-31 22:56:35 UTC	2.6ml	25 km SSW of Atoka, New Mexico 32.551°, -104.472°	6.5 km	-	-	-	✓ Reviewed	USGS →
The USGS recorded this magnitude 2.6 earthquake 25 km SSW of Atoka, New Mexico at 22:56 UTC on May 31, 2026. This was a shallow crustal earthquake, focused at 6.5 km depth. Coordinates: 32.551°, -104.472°. 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.
2 days ago 2026-05-31 22:18:33 UTC	4.2mb	28 km NE of San Martín, Argentina -31.217°, -68.324°	109.3 km	-	-	-	✓ Reviewed	USGS →
The USGS recorded this magnitude 4.2 earthquake 28 km NE of San Martín, Argentina at 22:18 UTC on May 31, 2026. At a depth of 109.3 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 -31.217°N, -68.324°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.
2 days ago 2026-05-31 22:09:58 UTC	4.4mb	34 km NNW of Valparaíso, Chile -32.758°, -71.786°	10.0 km	-	-	-	✓ Reviewed	USGS →
This magnitude 4.4 event was detected 34 km NNW of Valparaíso, Chile on May 31, 2026, with origin time 22:09 UTC. This event falls inside the aftershock decay of a nearby magnitude 6.0 earthquake that occurred about 1 hours earlier. The hypocenter lay at 10.0 km, placing this in the shallow crustal category. Geolocation places the event at -32.758°N, -71.786°E. 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.
2 days ago 2026-05-31 21:52:11 UTC	4.8mwr	31 km NNW of Valparaíso, Chile -32.796°, -71.815°	27.6 km	7	-	-	✓ Reviewed	USGS →
This magnitude 4.8 event was detected 31 km NNW of Valparaíso, Chile on May 31, 2026, with origin time 21:52 UTC. It arrived roughly 1 hours after a larger magnitude 6.0 mainshock in the same 20 km area, placing it within the typical aftershock window. A small number of nearby observers (7) submitted felt reports to the USGS. The event originated approximately 27.6 km below the surface, classifying it as shallow crustal. The epicenter is at -32.796°, -71.815°. 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.
2 days ago 2026-05-31 21:46:54 UTC	4.9mb	43 km NW of Valparaíso, Chile -32.721°, -71.899°	10.0 km	11	-	-	✓ Reviewed	USGS →
At 21:46 UTC on May 31, 2026, a magnitude 4.9 tremor occurred 43 km NW of Valparaíso, Chile. This event falls inside the aftershock decay of a nearby magnitude 6.0 earthquake that occurred about 1 hours earlier. Nearby residents submitted 11 felt reports to the USGS DYFI platform. It ranks as the fifth largest event in the current dataset. 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 -32.721°N, -71.899°E. 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.
2 days ago 2026-05-31 21:41:54 UTC	4.6mb	Fiji region -19.721°, -177.774°	559.6 km	-	-	-	✓ Reviewed	USGS →
May 31, 2026 brought a magnitude 4.6 earthquake in the Fiji region, logged at 21:41 UTC. At 559.6 km, this is the deepest earthquake in the current dataset — firmly in the deep-focus category. The epicenter is at -19.721°, -177.774°. 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.
2 days ago 2026-05-31 21:36:42 UTC	4.5mb	243 km SSE of Şalālah, Oman 14.918°, 54.795°	10.0 km	-	-	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 4.5 earthquake 243 km SSE of Şalālah, Oman with origin time 21:36 UTC on May 31, 2026. The hypocenter lay at 10.0 km, placing this in the shallow crustal category. The epicenter is at 14.918°, 54.795°. 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.
2 days ago 2026-05-31 21:34:18 UTC	6.0mww	33 km NW of Valparaíso, Chile -32.805°, -71.859°	25.0 km	155	V	green	✓ Reviewed	USGS →
On May 31, 2026 at 21:34 UTC, a magnitude 6.0 earthquake struck 33 km NW of Valparaíso, Chile. In the 72 hours after this event, the USGS recorded 3 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. Of every earthquake currently listed for worldwide seismic activity, this one generated the most felt reports from the public. Maximum shaking intensity peaked at MMI 5.2 (strong). The USGS received 155 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. It is the largest earthquake currently listed for worldwide seismic activity on May 31, 2026. The hypocenter lay at 25.0 km, placing this in the shallow crustal category. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. See the M6.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
2 days ago 2026-05-31 20:54:40 UTC	4.4mwr	24 km N of Jōetsu, Japan 37.369°, 138.206°	25.2 km	-	-	-	✓ Reviewed	USGS →
Reports of a magnitude 4.4 earthquake 24 km N of Jōetsu, Japan came in on May 31, 2026 at 20:54 UTC. At a depth of 25.2 km, the event was shallow crustal. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Coordinates: 37.369°, 138.206°. 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.
2 days ago 2026-05-31 20:43:56 UTC	4.3mb	133 km ESE of Madang, Papua New Guinea -5.479°, 146.965°	194.7 km	-	-	-	✓ Reviewed	USGS →
May 31, 2026 brought a magnitude 4.3 earthquake 133 km ESE of Madang, Papua New Guinea, logged at 20:43 UTC. This was a intermediate depth earthquake, focused at 194.7 km depth. Geolocation places the event at -5.479°N, 146.965°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.
2 days ago 2026-05-31 20:33:20 UTC	2.6md	10 km WNW of The Geysers, CA 38.821°, -122.855°	2.6 km	2	-	-	Auto	USGS →
At 20:33 UTC on May 31, 2026, a magnitude 2.6 tremor occurred 10 km WNW of The Geysers, CA. In the 72 hours after this event, the USGS recorded 8 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. At a depth of just 2.6 km, this was a very shallow event, close enough to the surface that modest magnitudes can produce significant local shaking. A small number of nearby observers (2) submitted felt reports to the USGS. Geolocation places the event at 38.821°N, -122.855°E. The automatic solution is preliminary and may be refined as additional station data arrives. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data.
2 days ago 2026-05-31 19:46:48 UTC	4.7mb	Bonin Islands, Japan region 26.468°, 143.663°	10.0 km	-	-	-	✓ Reviewed	USGS →
Reports of a magnitude 4.7 earthquake in the Bonin Islands, Japan region came in on May 31, 2026 at 19:46 UTC. This was a shallow crustal earthquake, focused at 10.0 km depth. Geolocation places the event at 26.468°N, 143.663°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.
2 days ago 2026-05-31 19:15:39 UTC	5.0mb	Kermadec Islands region -30.600°, -179.043°	98.5 km	-	-	-	✓ Reviewed	USGS →
A magnitude 5.0 earthquake was recorded in the Kermadec Islands region on May 31, 2026 at 19:15 UTC. It ranks as the second largest event in the current dataset. At a depth of 98.5 km, the event was intermediate depth. Geolocation places the event at -30.600°N, -179.043°E. 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.
2 days ago 2026-05-31 19:11:32 UTC	2.2md	15 km NW of San Simeon, CA 35.745°, -121.297°	9.6 km	-	-	-	Auto	USGS →
This magnitude 2.2 event was detected 15 km NW of San Simeon, CA on May 31, 2026, with origin time 19:11 UTC. The event originated approximately 9.6 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 35.745°N, -121.297°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.
2 days ago 2026-05-31 18:36:29 UTC	2.1ml	40 km WSW of Denali Park, Alaska 63.581°, -149.663°	128.7 km	-	-	-	Auto	USGS →
A magnitude 2.1 seismic event took place 40 km WSW of Denali Park, Alaska on May 31, 2026 at 18:36 UTC. The hypocenter lay at 128.7 km, placing this in the intermediate depth category. The epicenter is at 63.581°, -149.663°. 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.
2 days ago 2026-05-31 18:21:00 UTC	2.0ml	29 km W of Ivanof Bay, Alaska 55.942°, -159.945°	7.5 km	-	-	-	Auto	USGS →
At 18:21 UTC on May 31, 2026, a magnitude 2.0 tremor occurred 29 km W of Ivanof Bay, Alaska. The event originated approximately 7.5 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 55.942°, -159.945°. The automatic solution is preliminary and may be refined as additional station data arrives. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
2 days ago 2026-05-31 18:19:09 UTC	4.4mb	37 km NNE of Nakasongola, Uganda 1.633°, 32.562°	10.0 km	27	-	-	✓ Reviewed	USGS →
A magnitude 4.4 seismic event took place 37 km NNE of Nakasongola, Uganda on May 31, 2026 at 18:19 UTC. 27 people reported feeling the earthquake via the USGS Did You Feel It? system. The event originated approximately 10.0 km below the surface, classifying it as shallow crustal. The epicenter is at 1.633°, 32.562°. 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.
2 days ago 2026-05-31 18:09:48 UTC	4.3mb	166 km N of Barra Patuca, Honduras 17.306°, -84.303°	10.0 km	-	-	-	✓ Reviewed	USGS →
On May 31, 2026 at 18:09 UTC, a magnitude 4.3 earthquake struck 166 km N of Barra Patuca, Honduras. 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: 17.306°, -84.303°. 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.
2 days ago 2026-05-31 17:43:46 UTC	4.3mb	110 km SE of Ollagüe, Chile -21.819°, -67.399°	192.1 km	-	-	-	✓ Reviewed	USGS →
A magnitude 4.3 earthquake was recorded 110 km SE of Ollagüe, Chile on May 31, 2026 at 17:43 UTC. At a depth of 192.1 km, the event was intermediate depth. The offshore location combined with this depth is characteristic of seismicity along descending slabs. The epicenter is at -21.819°, -67.399°. 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.
2 days ago 2026-05-31 17:14:01 UTC	4.7mb	65 km SSW of Masachapa, Nicaragua 11.207°, -86.632°	35.0 km	-	-	-	✓ Reviewed	USGS →
A magnitude 4.7 seismic event took place 65 km SSW of Masachapa, Nicaragua on May 31, 2026 at 17:14 UTC. The hypocenter lay at 35.0 km, placing this in the shallow crustal category. Coordinates: 11.207°, -86.632°. 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.
2 days ago 2026-05-31 16:46:34 UTC	2.3ml	64 km SE of Chignik, Alaska 55.846°, -157.754°	28.0 km	-	-	-	Auto	USGS →
At 16:46 UTC on May 31, 2026, a magnitude 2.3 tremor occurred 64 km SE of Chignik, Alaska. The hypocenter lay at 28.0 km, placing this in the shallow crustal category. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Coordinates: 55.846°, -157.754°. 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.
2 days ago 2026-05-31 16:36:22 UTC	2.3ml	5 km WNW of Tanaina, Alaska 61.651°, -149.516°	17.2 km	1	-	-	Auto	USGS →
The USGS recorded this magnitude 2.3 earthquake 5 km WNW of Tanaina, Alaska at 16:36 UTC on May 31, 2026. A small number of nearby observers (1) submitted felt reports to the USGS. At a depth of 17.2 km, the event was shallow crustal. The epicenter is at 61.651°, -149.516°. 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.
2 days ago 2026-05-31 16:13:40 UTC	4.3mb	northern East Pacific Rise 10.551°, -103.794°	10.0 km	-	-	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 4.3 earthquake near northern East Pacific Rise with origin time 16:13 UTC on May 31, 2026. The event originated approximately 10.0 km below the surface, classifying it as shallow crustal. Geolocation places the event at 10.551°N, -103.794°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.
2 days ago 2026-05-31 16:12:21 UTC	2.5md	2 km SSW of Guánica, Puerto Rico 17.951°, -66.915°	13.7 km	-	-	-	✓ Reviewed	USGS →
May 31, 2026 brought a magnitude 2.5 earthquake 2 km SSW of Guánica, Puerto Rico, logged at 16:12 UTC. This was a shallow crustal earthquake, focused at 13.7 km depth. The epicenter is at 17.951°, -66.915°. 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.
2 days ago 2026-05-31 16:05:32 UTC	3.6md	95 km N of San Juan, Puerto Rico 19.328°, -66.158°	9.0 km	-	-	-	✓ Reviewed	USGS →
May 31, 2026 brought a magnitude 3.6 earthquake 95 km N of San Juan, Puerto Rico, logged at 16:05 UTC. At a depth of 9.0 km, the event was shallow crustal. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Coordinates: 19.328°, -66.158°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M3.6 event page for the full report, ShakeMap, and citizen-reported intensity data.
2 days ago 2026-05-31 15:03:32 UTC	4.6mb	Nicobar Islands, India region 7.566°, 91.827°	10.0 km	-	-	-	✓ Reviewed	USGS →
On May 31, 2026 at 15:03 UTC, a magnitude 4.6 earthquake struck in the Nicobar Islands, India region. The event originated approximately 10.0 km below the surface, classifying it as shallow crustal. Geolocation places the event at 7.566°N, 91.827°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.
2 days ago 2026-05-31 14:27:32 UTC	2.8ml	61 km NNE of Miches, Dominican Republic 19.442°, -68.726°	10.0 km	-	-	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 2.8 earthquake 61 km NNE of Miches, Dominican Republic with origin time 14:27 UTC on May 31, 2026. The hypocenter lay at 10.0 km, placing this in the shallow crustal category. Coordinates: 19.442°, -68.726°. 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.
2 days ago 2026-05-31 14:26:39 UTC	4.5mb	Bonin Islands, Japan region 27.464°, 139.840°	508.5 km	-	-	-	✓ Reviewed	USGS →
On May 31, 2026, worldwide seismic activity registered a magnitude 4.5 earthquake in the Bonin Islands, Japan region at 14:26 UTC. At 508.5 km, this deep-focus earthquake originated far below the brittle crust, deep inside the mantle. Geolocation places the event at 27.464°N, 139.840°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.

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 31, 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

May 30, 2026 June 1, 2026