Earthquakes on August 31, 2025
358
EARTHQUAKES on August 31, 2025
24-hour UTC period · USGS data
8 km deep · 169 people felt it
Elevated activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
5
M4.0–4.9
53
M3.0–3.9
17
M2.0–2.9
83
M1.0–1.9
200
Activity Summary
358
Total earthquakes
~250
Daily average
Elevated
Activity level
5
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
6.0
35 km WSW of Asadābād, Afghanistan
19:17 UTC · 8.0 km deep
Felt by 169
5.6
South Sandwich Islands region
16:24 UTC · 67.5 km deep
5.2
41 km NE of Jalālābād, Afghanistan
23:46 UTC · 8.5 km deep
5.2
38 km WSW of Asadābād, Afghanistan
21:33 UTC · 10.0 km deep
Felt by 1
5.2
southern Mid-Atlantic Ridge
03:50 UTC · 10.0 km deep
4.9
45 km NE of Lae, Papua New Guinea
08:16 UTC · 72.1 km deep
4.9
17 km SSE of Malim, Philippines
07:49 UTC · 10.0 km deep
Felt by 1
4.8
199 km E of Ozernovskiy, Russia
17:10 UTC · 10.0 km deep
Earthquake Map — August 31, 2025
All Earthquakes — August 31, 2025
Showing 30 of 158 (filtered from 358)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2025-08-31 2025-08-31 23:55:04 UTC | 4.4mb | 26 km NE of Jalālābād, Afghanistan 34.616°, 70.635° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.4 event was detected 26 km NE of Jalālābād, Afghanistan on August 31, 2025, with origin time 23:55 UTC. Coming 5 hours after a magnitude 6.0 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-31 2025-08-31 23:46:27 UTC | 5.2mb | 41 km NE of Jalālābād, Afghanistan 34.716°, 70.736° | 8.5 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 5.2 earthquake 41 km NE of Jalālābād, Afghanistan with origin time 23:46 UTC on August 31, 2025. Coming 4 hours after a magnitude 6.0 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M5.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-31 2025-08-31 23:43:49 UTC | 2.1ml | 52 km NE of Chase, Alaska 62.786°, -149.377° | 61.7 km | - | - | - | ✓ Reviewed | USGS → |
August 31, 2025 brought a magnitude 2.1 earthquake 52 km NE of Chase, Alaska, logged at 23:43 UTC. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-31 2025-08-31 23:40:01 UTC | 2.0md | 7 km NNW of The Geysers, CA 38.824°, -122.807° | 3.0 km | - | - | - | Auto | USGS → |
On August 31, 2025 at 23:40 UTC, a magnitude 2.0 earthquake struck 7 km NNW of The Geysers, CA. 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. | ||||||||
2025-08-31 2025-08-31 23:38:58 UTC | 4.1md | 176 km NNE of Cruz Bay, U.S. Virgin Islands 19.774°, -64.082° | 63.0 km | 2 | - | - | ✓ Reviewed | USGS → |
This magnitude 4.1 event was detected 176 km NNE of Cruz Bay, U.S. Virgin Islands on August 31, 2025, with origin time 23:38 UTC. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-31 2025-08-31 23:32:08 UTC | 2.9md | 51 km N of Cruz Bay, U.S. Virgin Islands 18.796°, -64.784° | 8.4 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.9 seismic event took place 51 km N of Cruz Bay, U.S. Virgin Islands on August 31, 2025 at 23:32 UTC. The event was offshore. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-31 2025-08-31 23:31:58 UTC | 4.3mb | 59 km SE of Ozernovskiy, Russia 51.096°, 157.059° | 81.7 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.3 event was detected 59 km SE of Ozernovskiy, Russia on August 31, 2025, with origin time 23:31 UTC. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-31 2025-08-31 23:28:15 UTC | 3.1ml | 64 km ESE of Denali National Park, Alaska 63.236°, -150.632° | 123.9 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 3.1 event was detected 64 km ESE of Denali National Park, Alaska on August 31, 2025, with origin time 23:28 UTC. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-31 2025-08-31 23:18:18 UTC | 2.9ml | 73 km SSW of Covenant Life, Alaska 58.860°, -136.701° | 6.6 km | - | - | - | ✓ Reviewed | USGS → |
August 31, 2025 brought a magnitude 2.9 earthquake 73 km SSW of Covenant Life, Alaska, logged at 23:18 UTC. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-31 2025-08-31 23:13:37 UTC | 4.2mb | 170 km N of Metinaro, Timor Leste -6.995°, 125.564° | 497.8 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.2 earthquake 170 km N of Metinaro, Timor Leste with origin time 23:13 UTC on August 31, 2025. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-31 2025-08-31 23:04:31 UTC | 4.5mb | 108 km S of Banjar, Indonesia -8.176°, 107.481° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.5 event was detected 108 km S of Banjar, Indonesia on August 31, 2025, with origin time 23:04 UTC. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-31 2025-08-31 22:47:59 UTC | 3.3ml | 96 km S of Sand Point, Alaska 54.466°, -160.431° | 37.7 km | - | - | - | ✓ Reviewed | USGS → |
On August 31, 2025, worldwide seismic activity registered a magnitude 3.3 earthquake 96 km S of Sand Point, Alaska at 22:47 UTC. The event was offshore. See the M3.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-31 2025-08-31 22:11:10 UTC | 2.5ml | 5 km WSW of Kasilof, Alaska 60.322°, -151.372° | 56.9 km | - | - | - | ✓ Reviewed | USGS → |
On August 31, 2025, worldwide seismic activity registered a magnitude 2.5 earthquake 5 km WSW of Kasilof, Alaska at 22:11 UTC. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-31 2025-08-31 21:53:53 UTC | 4.4mb | 4 km ESE of Shisui, Japan 35.705°, 140.311° | 51.8 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.4 earthquake 4 km ESE of Shisui, Japan came in on August 31, 2025 at 21:53 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-31 2025-08-31 21:48:31 UTC | 2.2ml | 54 km NE of Valmy, Nevada 41.157°, -116.691° | 10.4 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.2 earthquake 54 km NE of Valmy, Nevada at 21:48 UTC on August 31, 2025. It arrived roughly 16 hours after a larger magnitude 4.0 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-31 2025-08-31 21:44:22 UTC | 4.3mb | 39 km WSW of Asadābād, Afghanistan 34.681°, 70.781° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.3 earthquake 39 km WSW of Asadābād, Afghanistan came in on August 31, 2025 at 21:44 UTC. This event falls inside the aftershock decay of a nearby magnitude 6.0 earthquake that occurred about 2 hours earlier. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-31 2025-08-31 21:41:06 UTC | 4.5mb | 42 km NNE of Jalālābād, Afghanistan 34.756°, 70.697° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.5 earthquake 42 km NNE of Jalālābād, Afghanistan came in on August 31, 2025 at 21:41 UTC. Coming 2 hours after a magnitude 6.0 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. | ||||||||
2025-08-31 2025-08-31 21:40:02 UTC | 4.4mb | 38 km NE of Jalālābād, Afghanistan 34.654°, 70.762° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.4 seismic event took place 38 km NE of Jalālābād, Afghanistan on August 31, 2025 at 21:40 UTC. This event falls inside the aftershock decay of a nearby magnitude 6.0 earthquake that occurred about 2 hours earlier. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-31 2025-08-31 21:39:55 UTC | 4.5mb | 245 km NNE of Fais, Micronesia 11.804°, 141.398° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.5 seismic event took place 245 km NNE of Fais, Micronesia on August 31, 2025 at 21:39 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-31 2025-08-31 21:33:20 UTC | 5.2mb | 38 km WSW of Asadābād, Afghanistan 34.736°, 70.765° | 10.0 km | 1 | - | - | ✓ Reviewed | USGS → |
On August 31, 2025, worldwide seismic activity registered a magnitude 5.2 earthquake 38 km WSW of Asadābād, Afghanistan at 21:33 UTC. It arrived roughly 2 hours after a larger magnitude 6.0 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M5.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-31 2025-08-31 21:23:35 UTC | 2.4ml | 43 km S of Silver Peak, Nevada 37.369°, -117.540° | 6.4 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.4 earthquake 43 km S of Silver Peak, Nevada came in on August 31, 2025 at 21:23 UTC. In the 72 hours after this event, the USGS recorded 5 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-31 2025-08-31 21:19:40 UTC | 4.5mb | 98 km S of Atka, Alaska 51.327°, -173.936° | 10.0 km | - | II | - | ✓ Reviewed | USGS → |
August 31, 2025 brought a magnitude 4.5 earthquake 98 km S of Atka, Alaska, logged at 21:19 UTC. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-31 2025-08-31 21:00:45 UTC | 2.1ml | 56 km NE of Valmy, Nevada 41.163°, -116.667° | 11.8 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.1 event was detected 56 km NE of Valmy, Nevada on August 31, 2025, with origin time 21:00 UTC. Coming 16 hours after a magnitude 4.0 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-31 2025-08-31 21:00:14 UTC | 2.8ml | 55 km NNW of Petersville, Alaska 62.983°, -151.022° | 119.6 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.8 earthquake 55 km NNW of Petersville, Alaska with origin time 21:00 UTC on August 31, 2025. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-31 2025-08-31 20:51:01 UTC | 2.0ml | 43 km SSE of Silver Peak, Nevada 37.375°, -117.532° | 6.8 km | - | - | - | ✓ Reviewed | USGS → |
On August 31, 2025, worldwide seismic activity registered a magnitude 2.0 earthquake 43 km SSE of Silver Peak, Nevada at 20:51 UTC. In the 72 hours after this event, the USGS recorded 8 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-31 2025-08-31 20:47:04 UTC | 2.3ml | 53 km NE of Valmy, Nevada 41.155°, -116.701° | 9.7 km | - | - | - | ✓ Reviewed | USGS → |
On August 31, 2025, worldwide seismic activity registered a magnitude 2.3 earthquake 53 km NE of Valmy, Nevada at 20:47 UTC. Coming 15 hours after a magnitude 4.0 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-31 2025-08-31 20:33:56 UTC | 4.2mb | 95 km S of Severo-Kuril’sk, Russia 49.816°, 156.003° | 73.4 km | - | - | - | ✓ Reviewed | USGS → |
On August 31, 2025, worldwide seismic activity registered a magnitude 4.2 earthquake 95 km S of Severo-Kuril’sk, Russia at 20:33 UTC. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-31 2025-08-31 20:29:38 UTC | 4.4mb | 30 km NE of Jalālābād, Afghanistan 34.587°, 70.715° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
August 31, 2025 brought a magnitude 4.4 earthquake 30 km NE of Jalālābād, Afghanistan, logged at 20:29 UTC. Coming 1 hours after a magnitude 6.0 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-31 2025-08-31 20:03:52 UTC | 4.2mb | 86 km NNW of San Antonio de los Cobres, Argentina -23.564°, -66.789° | 199.1 km | - | - | - | ✓ Reviewed | USGS → |
At 20:03 UTC on August 31, 2025, a magnitude 4.2 tremor occurred 86 km NNW of San Antonio de los Cobres, Argentina. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-31 2025-08-31 19:56:47 UTC | 4.1mb | 69 km ENE of Kerman, Iran 30.606°, 57.700° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.1 earthquake 69 km ENE of Kerman, Iran came in on August 31, 2025 at 19:56 UTC. See the M4.1 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 31, 2025. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.