Earthquakes on August 27, 2025
241
EARTHQUAKES on August 27, 2025
24-hour UTC period · USGS data
40 km deep · 4 people felt it
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
7
M4.0–4.9
39
M3.0–3.9
7
M2.0–2.9
51
M1.0–1.9
137
Activity Summary
241
Total earthquakes
~250
Daily average
Normal
Activity level
7
M5.0+ events
Significant Earthquakes (M4.5+)
6.0
92 km E of Severo-Kuril’sk, Russia
03:49 UTC · 40.0 km deep
Felt by 4
5.3
17 km ENE of Yilan, Taiwan
13:10 UTC · 114.9 km deep
Felt by 60
5.2
Carlsberg Ridge
10:19 UTC · 10.0 km deep
5.2
south of Tonga
00:10 UTC · 35.0 km deep
5.2
Drake Passage
00:04 UTC · 10.0 km deep
5.1
27 km SSW of Ashkāsham, Afghanistan
13:27 UTC · 138.8 km deep
Felt by 3
5.0
South Sandwich Islands region
05:34 UTC · 10.0 km deep
4.9
178 km SE of Vilyuchinsk, Russia
07:14 UTC · 10.0 km deep
Earthquake Map — August 27, 2025
All Earthquakes — August 27, 2025
Showing 30 of 104 (filtered from 241)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2025-08-27 2025-08-27 23:36:08 UTC | 2.2ml | 98 km SSE of Sand Point, Alaska 54.495°, -160.002° | 17.4 km | - | - | - | ✓ Reviewed | USGS → |
August 27, 2025 brought a magnitude 2.2 earthquake 98 km SSE of Sand Point, Alaska, logged at 23:36 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.1 earthquake that occurred about 1 hours earlier. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-27 2025-08-27 23:21:26 UTC | 2.5ml | 143 km W of Adak, Alaska 51.759°, -178.713° | 101.5 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.5 earthquake 143 km W of Adak, Alaska with origin time 23:21 UTC on August 27, 2025. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-27 2025-08-27 23:04:19 UTC | 3.1ml | 106 km SSE of Sand Point, Alaska 54.417°, -160.024° | 34.3 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.1 earthquake was recorded 106 km SSE of Sand Point, Alaska on August 27, 2025 at 23:04 UTC. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-27 2025-08-27 22:57:58 UTC | 4.2mb | 54 km NNW of Finschhafen, Papua New Guinea -6.118°, 147.620° | 68.8 km | - | - | - | ✓ Reviewed | USGS → |
August 27, 2025 brought a magnitude 4.2 earthquake 54 km NNW of Finschhafen, Papua New Guinea, logged at 22:57 UTC. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-27 2025-08-27 22:44:01 UTC | 3.5ml | 11 km SE of Pāhala, Hawaii 19.145°, -155.390° | 30.5 km | 2 | II | - | ✓ Reviewed | USGS → |
Reports of a magnitude 3.5 earthquake 11 km SE of Pāhala, Hawaii came in on August 27, 2025 at 22:44 UTC. The event was offshore. See the M3.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-27 2025-08-27 22:41:36 UTC | 4.2mb | 5 km SSE of Las Brisas, Mexico 15.471°, -93.090° | 106.9 km | - | - | - | ✓ Reviewed | USGS → |
On August 27, 2025 at 22:41 UTC, a magnitude 4.2 earthquake struck 5 km SSE of Las Brisas, Mexico. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-27 2025-08-27 22:39:23 UTC | 2.0ml | 23 km S of Westbrook, Texas 32.149°, -101.058° | 7.4 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.0 event was detected 23 km S of Westbrook, Texas on August 27, 2025, with origin time 22:39 UTC. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-27 2025-08-27 22:34:16 UTC | 2.2md | 2 km WSW of Indios, Puerto Rico 17.988°, -66.841° | 12.9 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.2 seismic event took place 2 km WSW of Indios, Puerto Rico on August 27, 2025 at 22:34 UTC. It arrived roughly 15 hours after a larger magnitude 2.3 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-27 2025-08-27 21:24:00 UTC | 2.7ml | 126 km SW of Nikolski, Alaska 52.147°, -170.191° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.7 earthquake 126 km SW of Nikolski, Alaska at 21:24 UTC on August 27, 2025. The event was offshore. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-27 2025-08-27 21:16:50 UTC | 2.0ml | 10 km S of Princeton, Canada 49.364°, -120.504° | -0.4 km | - | - | - | ✓ Reviewed | USGS → |
At 21:16 UTC on August 27, 2025, a magnitude 2.0 tremor occurred 10 km S of Princeton, Canada. 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. | ||||||||
2025-08-27 2025-08-27 21:02:57 UTC | 2.7md | 2 km SW of Anderson Springs, CA 38.758°, -122.708° | 1.5 km | 1 | - | - | ✓ Reviewed | USGS → |
August 27, 2025 brought a magnitude 2.7 earthquake 2 km SW of Anderson Springs, CA, logged at 21:02 UTC. In the 72 hours after this event, the USGS recorded 3 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-27 2025-08-27 20:59:59 UTC | 2.0ml | 24 km NNE of Karluk, Alaska 57.785°, -154.361° | 69.5 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.0 earthquake 24 km NNE of Karluk, Alaska came in on August 27, 2025 at 20:59 UTC. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-27 2025-08-27 20:42:46 UTC | 2.4ml | 69 km ENE of Noatak, Alaska 67.733°, -161.373° | 0.6 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.4 event was detected 69 km ENE of Noatak, Alaska on August 27, 2025, with origin time 20:42 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-27 2025-08-27 20:18:28 UTC | 2.1ml | 19 km WNW of Beluga, Alaska 61.192°, -151.420° | 67.9 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.1 event was detected 19 km WNW of Beluga, Alaska on August 27, 2025, with origin time 20:18 UTC. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-27 2025-08-27 20:10:10 UTC | 4.4mb | 17 km S of Tucaní, Venezuela 8.812°, -71.283° | 14.5 km | - | - | - | ✓ Reviewed | USGS → |
On August 27, 2025, worldwide seismic activity registered a magnitude 4.4 earthquake 17 km S of Tucaní, Venezuela at 20:10 UTC. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-27 2025-08-27 20:03:09 UTC | 2.1ml | 58 km S of Whites City, New Mexico 31.653°, -104.447° | 5.8 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.1 earthquake 58 km S of Whites City, New Mexico came in on August 27, 2025 at 20:03 UTC. It arrived roughly 18 hours after a larger magnitude 2.7 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-27 2025-08-27 19:59:48 UTC | 3.4ml | 12 km ENE of Wright, Wyoming 43.801°, -105.350° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.4 seismic event took place 12 km ENE of Wright, Wyoming on August 27, 2025 at 19:59 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-27 2025-08-27 19:58:38 UTC | 2.1md | 24 km NNW of Huntington, Oregon 44.540°, -117.428° | -1.2 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.1 earthquake 24 km NNW of Huntington, Oregon at 19:58 UTC on August 27, 2025. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-27 2025-08-27 19:30:40 UTC | 4.2mb | 255 km SSE of Severo-Kuril’sk, Russia 48.507°, 157.289° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.2 earthquake was recorded 255 km SSE of Severo-Kuril’sk, Russia on August 27, 2025 at 19:30 UTC. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-27 2025-08-27 19:25:57 UTC | 2.3md | 1 km ENE of The Geysers, CA 38.784°, -122.746° | 1.7 km | - | - | - | Auto | USGS → |
At 19:25 UTC on August 27, 2025, a magnitude 2.3 tremor occurred 1 km ENE of The Geysers, CA. In the 72 hours after this event, the USGS recorded 3 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-27 2025-08-27 19:04:52 UTC | 4.3mb | Carlsberg Ridge 3.177°, 65.347° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 19:04 UTC on August 27, 2025, a magnitude 4.3 tremor occurred near Carlsberg Ridge. It arrived roughly 9 hours after a larger magnitude 5.2 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-27 2025-08-27 18:45:39 UTC | 4.2mb | 174 km SE of Petropavlovsk-Kamchatsky, Russia 51.959°, 160.453° | 42.8 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.2 earthquake 174 km SE of Petropavlovsk-Kamchatsky, Russia with origin time 18:45 UTC on August 27, 2025. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-27 2025-08-27 18:38:41 UTC | 2.1ml | 62 km ESE of Atka, Alaska 52.009°, -173.340° | 64.8 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.1 seismic event took place 62 km ESE of Atka, Alaska on August 27, 2025 at 18:38 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.4 earthquake that occurred about 6 hours earlier. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-27 2025-08-27 18:13:53 UTC | 2.3md | 6 km WSW of Linwood, Georgia 34.699°, -85.356° | 9.7 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.3 event was detected 6 km WSW of Linwood, Georgia on August 27, 2025, with origin time 18:13 UTC. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-27 2025-08-27 17:51:59 UTC | 2.1ml | 63 km NNW of Karluk, Alaska 58.124°, -154.674° | 85.9 km | - | - | - | ✓ Reviewed | USGS → |
August 27, 2025 brought a magnitude 2.1 earthquake 63 km NNW of Karluk, Alaska, logged at 17:51 UTC. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-27 2025-08-27 17:48:03 UTC | 2.4ml | 48 km E of Denali National Park, Alaska 63.515°, -150.760° | 13.9 km | 1 | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.4 earthquake 48 km E of Denali National Park, Alaska came in on August 27, 2025 at 17:48 UTC. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-27 2025-08-27 16:48:05 UTC | 2.0ml | 20 km ESE of Anza, CA 33.506°, -116.462° | 6.1 km | 1 | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.0 earthquake 20 km ESE of Anza, CA at 16:48 UTC on August 27, 2025. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-27 2025-08-27 16:31:15 UTC | 2.2md | 11 km NE of Cromberg, CA 39.938°, -120.617° | 2.1 km | - | - | - | ✓ Reviewed | USGS → |
At 16:31 UTC on August 27, 2025, a magnitude 2.2 tremor occurred 11 km NE of Cromberg, CA. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-27 2025-08-27 16:25:54 UTC | 2.1md | 3 km NW of The Geysers, CA 38.794°, -122.779° | 2.8 km | - | - | - | Auto | USGS → |
Seismographs logged a magnitude 2.1 earthquake 3 km NW of The Geysers, CA with origin time 16:25 UTC on August 27, 2025. In the 72 hours after this event, the USGS recorded 3 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-27 2025-08-27 15:57:21 UTC | 2.5ml | 192 km W of Adak, Alaska 51.850°, -179.433° | 128.1 km | - | - | - | ✓ Reviewed | USGS → |
On August 27, 2025, worldwide seismic activity registered a magnitude 2.5 earthquake 192 km W of Adak, Alaska at 15:57 UTC. The event was offshore. See the M2.5 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 August 27, 2025. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.