Earthquakes on May 27, 2025
259
EARTHQUAKES on May 27, 2025
24-hour UTC period · USGS data
LARGEST: M5.8 — Revilla Gigedo Islands region
10 km deep
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
8
M4.0–4.9
38
M3.0–3.9
13
M2.0–2.9
50
M1.0–1.9
150
Activity Summary
259
Total earthquakes
~250
Daily average
Normal
Activity level
8
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
5.8
Revilla Gigedo Islands region
21:59 UTC · 10.0 km deep
5.3
249 km S of Pundong, Indonesia
00:55 UTC · 10.0 km deep
Felt by 4
5.2
north of Severnaya Zemlya
02:42 UTC · 10.0 km deep
5.1
8 km SE of Moirāng, India
20:24 UTC · 50.0 km deep
Felt by 47
5.1
12 km WNW of Dehdasht, Iran
00:39 UTC · 10.0 km deep
Felt by 11
5.0
south of the Fiji Islands
18:49 UTC · 545.3 km deep
5.0
71 km SE of Inarajan Village, Guam
02:57 UTC · 10.0 km deep
Felt by 18
5.0
13 km S of Antikyra, Greece
00:06 UTC · 23.2 km deep
Felt by 33
Earthquake Map — May 27, 2025
All Earthquakes — May 27, 2025
Showing 30 of 109 (filtered from 259)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2025-05-27 2025-05-27 23:55:31 UTC | 4.2mb | 32 km NNW of Pante Makasar, Timor Leste -8.937°, 124.245° | 72.2 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.2 event was detected 32 km NNW of Pante Makasar, Timor Leste on May 27, 2025, with origin time 23:55 UTC. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-05-27 2025-05-27 23:25:09 UTC | 2.7ml | 18 km SW of Nelson Lagoon, Alaska 55.863°, -161.382° | 175.4 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.7 earthquake 18 km SW of Nelson Lagoon, Alaska with origin time 23:25 UTC on May 27, 2025. The event was offshore. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-05-27 2025-05-27 23:02:16 UTC | 2.2md | 3 km NE of Las Marias, Puerto Rico 18.309°, -67.122° | 18.3 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.2 event was detected 3 km NE of Las Marias, Puerto Rico on May 27, 2025, with origin time 23:02 UTC. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-05-27 2025-05-27 22:56:56 UTC | 2.6ml | 12 km SE of Fox River, Alaska 59.785°, -150.796° | 41.7 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.6 event was detected 12 km SE of Fox River, Alaska on May 27, 2025, with origin time 22:56 UTC. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-05-27 2025-05-27 22:53:05 UTC | 4.4mb | 9 km W of Acajutla, El Salvador 13.605°, -89.918° | 73.8 km | 2 | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.4 earthquake 9 km W of Acajutla, El Salvador at 22:53 UTC on May 27, 2025. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-05-27 2025-05-27 22:39:06 UTC | 2.3ml | 17 km SSE of Akutan, Alaska 54.001°, -165.636° | 114.7 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.3 event was detected 17 km SSE of Akutan, Alaska on May 27, 2025, with origin time 22:39 UTC. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-05-27 2025-05-27 22:26:05 UTC | 3.6ml | 209 km SSE of Atka, Alaska 50.431°, -173.167° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.6 seismic event took place 209 km SSE of Atka, Alaska on May 27, 2025 at 22:26 UTC. See the M3.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-05-27 2025-05-27 21:59:11 UTC | 5.8mww | Revilla Gigedo Islands region 19.688°, -109.194° | 10.0 km | - | III | green | ✓ Reviewed | USGS → |
On May 27, 2025 at 21:59 UTC, a magnitude 5.8 earthquake struck in the Revilla Gigedo Islands region. 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 27, 2025. See the M5.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-05-27 2025-05-27 21:46:25 UTC | 2.8md | 72 km WNW of Petrolia, CA 40.418°, -125.121° | 10.0 km | 3 | - | - | ✓ Reviewed | USGS → |
A magnitude 2.8 earthquake was recorded 72 km WNW of Petrolia, CA on May 27, 2025 at 21:46 UTC. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-05-27 2025-05-27 21:31:26 UTC | 3.1ml | Rat Islands, Aleutian Islands, Alaska 51.860°, 178.318° | 125.5 km | - | - | - | ✓ Reviewed | USGS → |
At 21:31 UTC on May 27, 2025, a magnitude 3.1 tremor occurred near Rat Islands, Aleutian Islands, Alaska. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-05-27 2025-05-27 21:26:17 UTC | 4.5mb | 54 km ESE of Inarajan Village, Guam 13.029°, 145.181° | 37.0 km | 1 | - | - | ✓ Reviewed | USGS → |
On May 27, 2025 at 21:26 UTC, a magnitude 4.5 earthquake struck 54 km ESE of Inarajan Village, Guam. Coming 18 hours after a magnitude 5.0 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-05-27 2025-05-27 21:12:01 UTC | 3.1ml | 47 km ENE of Nikolski, Alaska 53.097°, -168.199° | 88.9 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 3.1 earthquake 47 km ENE of Nikolski, Alaska at 21:12 UTC on May 27, 2025. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-05-27 2025-05-27 20:56:56 UTC | 4.4mb | 268 km NW of Houma, Tonga -19.773°, -177.410° | 360.9 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.4 event was detected 268 km NW of Houma, Tonga on May 27, 2025, with origin time 20:56 UTC. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-05-27 2025-05-27 20:24:28 UTC | 5.1mww | 8 km SE of Moirāng, India 24.447°, 93.843° | 50.0 km | 47 | - | - | ✓ Reviewed | USGS → |
On May 27, 2025, worldwide seismic activity registered a magnitude 5.1 earthquake 8 km SE of Moirāng, India at 20:24 UTC. The event was offshore. See the M5.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-05-27 2025-05-27 19:11:10 UTC | 2.0md | 6 km E of Bonadelle Ranchos-Madera Ranchos, CA 36.995°, -119.808° | -0.4 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.0 earthquake was recorded 6 km E of Bonadelle Ranchos-Madera Ranchos, CA on May 27, 2025 at 19:11 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-05-27 2025-05-27 19:07:44 UTC | 4.0mb | 272 km W of Houma, Tonga -20.942°, -177.910° | 425.1 km | - | - | - | ✓ Reviewed | USGS → |
On May 27, 2025, worldwide seismic activity registered a magnitude 4.0 earthquake 272 km W of Houma, Tonga at 19:07 UTC. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-05-27 2025-05-27 18:49:36 UTC | 5.0mb | south of the Fiji Islands -23.422°, 178.889° | 545.3 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 5.0 earthquake south of the Fiji Islands at 18:49 UTC on May 27, 2025. This is the deepest earthquake in the current dataset — a deep-focus event. See the M5.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-05-27 2025-05-27 18:24:25 UTC | 4.4mb | 30 km S of Ohinemutu, New Zealand -38.423°, 176.269° | 128.5 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.4 earthquake 30 km S of Ohinemutu, New Zealand came in on May 27, 2025 at 18:24 UTC. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-05-27 2025-05-27 18:10:25 UTC | 2.5ml | Rat Islands, Aleutian Islands, Alaska 51.649°, 178.612° | 79.1 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.5 earthquake was recorded near Rat Islands, Aleutian Islands, Alaska on May 27, 2025 at 18:10 UTC. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-05-27 2025-05-27 18:04:52 UTC | 2.4ml | 55 km S of Whites City, New Mexico 31.678°, -104.419° | 5.8 km | - | - | - | ✓ Reviewed | USGS → |
On May 27, 2025, worldwide seismic activity registered a magnitude 2.4 earthquake 55 km S of Whites City, New Mexico at 18:04 UTC. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-05-27 2025-05-27 17:57:21 UTC | 2.6ml | 37 km SE of Riverton, Wyoming 42.810°, -108.034° | 5.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.6 earthquake 37 km SE of Riverton, Wyoming came in on May 27, 2025 at 17:57 UTC. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-05-27 2025-05-27 17:50:06 UTC | 3.3ml | 30 km ENE of Chignik, Alaska 56.371°, -157.933° | 84.8 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.3 earthquake was recorded 30 km ENE of Chignik, Alaska on May 27, 2025 at 17:50 UTC. See the M3.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-05-27 2025-05-27 17:41:02 UTC | 2.0ml | 10 km E of Pāhala, Hawaii 19.212°, -155.374° | 31.4 km | - | - | - | Auto | USGS → |
On May 27, 2025, worldwide seismic activity registered a magnitude 2.0 earthquake 10 km E of Pāhala, Hawaii at 17:41 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.2 earthquake that occurred about 3 hours earlier. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-05-27 2025-05-27 16:50:39 UTC | 4.5mwr | 14 km NNW of Koróni, Greece 36.912°, 21.875° | 48.4 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.5 earthquake was recorded 14 km NNW of Koróni, Greece on May 27, 2025 at 16:50 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-05-27 2025-05-27 16:46:54 UTC | 3.2ml | 53 km W of Nanwalek, Alaska 59.351°, -152.864° | 71.3 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 3.2 earthquake 53 km W of Nanwalek, Alaska with origin time 16:46 UTC on May 27, 2025. The event was offshore. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-05-27 2025-05-27 16:12:28 UTC | 4.0mb | 23 km WSW of Pakokku, Burma (Myanmar) 21.251°, 94.881° | 126.3 km | - | - | - | ✓ Reviewed | USGS → |
At 16:12 UTC on May 27, 2025, a magnitude 4.0 tremor occurred 23 km WSW of Pakokku, Burma (Myanmar). See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-05-27 2025-05-27 15:55:39 UTC | 2.5ml | 54 km SW of Nikolski, Alaska 52.652°, -169.522° | 15.1 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.5 earthquake 54 km SW of Nikolski, Alaska with origin time 15:55 UTC on May 27, 2025. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-05-27 2025-05-27 15:49:35 UTC | 2.1ml | 52 km SSW of Princeton, Canada 49.032°, -120.814° | 8.9 km | 1 | - | - | ✓ Reviewed | USGS → |
This magnitude 2.1 event was detected 52 km SSW of Princeton, Canada on May 27, 2025, with origin time 15:49 UTC. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-05-27 2025-05-27 15:06:55 UTC | 4.1mb | 25 km SW of Behbahān, Iran 30.457°, 50.029° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
May 27, 2025 brought a magnitude 4.1 earthquake 25 km SW of Behbahān, Iran, logged at 15:06 UTC. The event was offshore. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-05-27 2025-05-27 14:56:25 UTC | 2.8ml | 184 km SSE of Unalaska, Alaska 52.286°, -165.770° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
May 27, 2025 brought a magnitude 2.8 earthquake 184 km SSE of Unalaska, Alaska, logged at 14:56 UTC. 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 27, 2025. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.