Earthquakes on September 8, 2025
Magnitude Breakdown
Activity Summary
Geographic Breakdown
By US State
Significant Earthquakes (M4.5+)
Vanuatu region
21:47 UTC · 10.0 km deep
Felt by 1
10 km WSW of Dinagat, Philippines
18:52 UTC · 143.5 km deep
5 km ENE of Corralero, Mexico
22:33 UTC · 10.0 km deep
Felt by 8
Auckland Islands, New Zealand region
01:27 UTC · 10.0 km deep
164 km ESE of Petropavlovsk-Kamchatsky, Russia
08:26 UTC · 10.0 km deep
east of the South Sandwich Islands
03:09 UTC · 10.0 km deep
11 km NW of Néa Stíra, Greece
21:27 UTC · 10.0 km deep
Felt by 251
163 km ESE of Petropavlovsk-Kamchatsky, Russia
11:32 UTC · 10.0 km deep
Earthquake Map — September 8, 2025

All Earthquakes — September 8, 2025
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2025-09-08 2025-09-08 23:53:01 UTC | 4.3mb | 7 km SE of Ichihara, Japan 35.474°, 140.149° | 66.6 km | 14 | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.3 earthquake 7 km SE of Ichihara, Japan with origin time 23:53 UTC on September 8, 2025. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-08 2025-09-08 23:41:37 UTC | 4.1mb | 223 km SSW of Severo-Kuril’sk, Russia 48.907°, 154.665° | 67.2 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.1 seismic event took place 223 km SSW of Severo-Kuril’sk, Russia on September 8, 2025 at 23:41 UTC. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-08 2025-09-08 23:01:32 UTC | 2.0ml | 7 km WSW of Calimesa, CA 33.956°, -117.114° | 16.3 km | - | - | - | ✓ Reviewed | USGS → |
September 8, 2025 brought a magnitude 2.0 earthquake 7 km WSW of Calimesa, CA, logged at 23:01 UTC. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-08 2025-09-08 23:01:06 UTC | 2.5ml | 24 km N of Spencer, Idaho 44.579°, -112.216° | 6.8 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.5 event was detected 24 km N of Spencer, Idaho on September 8, 2025, with origin time 23:01 UTC. It arrived roughly 16 hours after a larger magnitude 3.9 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-08 2025-09-08 22:59:41 UTC | 2.2ml | 14 km W of Delta, B.C., MX 32.332°, -115.337° | 3.5 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.2 seismic event took place 14 km W of Delta, B.C., MX on September 8, 2025 at 22:59 UTC. 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. | ||||||||
2025-09-08 2025-09-08 22:58:55 UTC | 4.3mb | 59 km E of Severo-Kuril’sk, Russia 50.752°, 156.959° | 66.0 km | - | - | - | ✓ Reviewed | USGS → |
On September 8, 2025, worldwide seismic activity registered a magnitude 4.3 earthquake 59 km E of Severo-Kuril’sk, Russia at 22:58 UTC. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-08 2025-09-08 22:54:24 UTC | 2.0md | 10 km NW of Avenal, CA 36.075°, -120.195° | 10.1 km | 1 | - | - | ✓ Reviewed | USGS → |
A magnitude 2.0 earthquake was recorded 10 km NW of Avenal, CA on September 8, 2025 at 22:54 UTC. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-08 2025-09-08 22:49:07 UTC | 4.6mb | 257 km N of Tobelo, Indonesia 4.053°, 127.934° | 69.8 km | - | - | - | ✓ Reviewed | USGS → |
On September 8, 2025 at 22:49 UTC, a magnitude 4.6 earthquake struck 257 km N of Tobelo, Indonesia. The event was offshore. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-08 2025-09-08 22:33:19 UTC | 5.2mb | 5 km ENE of Corralero, Mexico 16.261°, -98.142° | 10.0 km | 8 | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 5.2 earthquake 5 km ENE of Corralero, Mexico with origin time 22:33 UTC on September 8, 2025. See the M5.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-08 2025-09-08 22:23:35 UTC | 2.0ml | 47 km NNE of Chase, Alaska 62.821°, -149.639° | 69.7 km | - | - | - | Auto | USGS → |
Seismographs logged a magnitude 2.0 earthquake 47 km NNE of Chase, Alaska with origin time 22:23 UTC on September 8, 2025. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-08 2025-09-08 21:47:48 UTC | 6.4mww | Vanuatu region -21.003°, 173.705° | 10.0 km | 1 | III | green | ✓ Reviewed | USGS → |
On September 8, 2025 at 21:47 UTC, a magnitude 6.4 earthquake struck in the Vanuatu region. A tsunami evaluation was automatically initiated given the magnitude and location. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. See the M6.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-08 2025-09-08 21:44:52 UTC | 2.8ml | 64 km ESE of Pedro Bay, Alaska 59.574°, -153.036° | 92.1 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.8 earthquake 64 km ESE of Pedro Bay, Alaska at 21:44 UTC on September 8, 2025. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-08 2025-09-08 21:27:56 UTC | 5.0mww | 11 km NW of Néa Stíra, Greece 38.255°, 24.120° | 10.0 km | 251 | - | - | ✓ Reviewed | USGS → |
This magnitude 5.0 event was detected 11 km NW of Néa Stíra, Greece on September 8, 2025, with origin time 21:27 UTC. The event was offshore. See the M5.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-08 2025-09-08 21:26:08 UTC | 4.2mb | western Xizang 34.197°, 87.761° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.2 earthquake was recorded near western Xizang on September 8, 2025 at 21:26 UTC. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-08 2025-09-08 21:14:19 UTC | 2.1ml | 8 km SSE of Princeton, Canada 49.383°, -120.483° | -0.5 km | - | - | - | ✓ Reviewed | USGS → |
On September 8, 2025, worldwide seismic activity registered a magnitude 2.1 earthquake 8 km SSE of Princeton, Canada at 21:14 UTC. 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. | ||||||||
2025-09-08 2025-09-08 20:32:06 UTC | 4.2mb | 227 km E of Levuka, Fiji -17.874°, -178.541° | 590.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.2 earthquake 227 km E of Levuka, Fiji with origin time 20:32 UTC on September 8, 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. | ||||||||
2025-09-08 2025-09-08 20:29:36 UTC | 2.8md | 8 km E of Mayagüez, Puerto Rico 18.192°, -67.063° | 16.6 km | - | - | - | ✓ Reviewed | USGS → |
At 20:29 UTC on September 8, 2025, a magnitude 2.8 tremor occurred 8 km E of Mayagüez, Puerto Rico. The event was offshore. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-08 2025-09-08 20:10:15 UTC | 2.0ml | 27 km SW of Petersville, Alaska 62.359°, -151.213° | 86.1 km | - | - | - | Auto | USGS → |
On September 8, 2025, worldwide seismic activity registered a magnitude 2.0 earthquake 27 km SW of Petersville, Alaska at 20:10 UTC. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-08 2025-09-08 19:33:48 UTC | 3.4ml | 112 km SE of Akhiok, Alaska 56.113°, -153.126° | 20.1 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.4 seismic event took place 112 km SE of Akhiok, Alaska on September 8, 2025 at 19:33 UTC. The event was offshore. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-08 2025-09-08 19:17:18 UTC | 2.1md | 3 km SW of Guánica, Puerto Rico 17.944°, -66.932° | 12.7 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.1 earthquake 3 km SW of Guánica, Puerto Rico with origin time 19:17 UTC on September 8, 2025. This event falls inside the aftershock decay of a nearby magnitude 2.5 earthquake that occurred about 12 hours earlier. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-08 2025-09-08 18:52:10 UTC | 5.3mww | 10 km WSW of Dinagat, Philippines 9.913°, 125.507° | 143.5 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 5.3 earthquake was recorded 10 km WSW of Dinagat, Philippines on September 8, 2025 at 18:52 UTC. See the M5.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-08 2025-09-08 18:38:22 UTC | 4.2mb | Fiji region -20.599°, -178.426° | 591.2 km | - | - | - | ✓ Reviewed | USGS → |
On September 8, 2025, worldwide seismic activity registered a magnitude 4.2 earthquake in the Fiji region at 18:38 UTC. This is the deepest earthquake in the current dataset — a deep-focus event. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-08 2025-09-08 18:34:40 UTC | 2.1ml | 66 km W of Hooper, Utah 41.116°, -112.911° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
At 18:34 UTC on September 8, 2025, a magnitude 2.1 tremor occurred 66 km W of Hooper, Utah. 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. | ||||||||
2025-09-08 2025-09-08 18:22:58 UTC | 4.2mb | 178 km SE of Tabiauan, Philippines 4.893°, 123.032° | 573.8 km | - | - | - | ✓ Reviewed | USGS → |
At 18:22 UTC on September 8, 2025, a magnitude 4.2 tremor occurred 178 km SE of Tabiauan, Philippines. 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. | ||||||||
2025-09-08 2025-09-08 16:58:21 UTC | 4.6mb | 93 km N of Hihifo, Tonga -15.108°, -173.846° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.6 earthquake was recorded 93 km N of Hihifo, Tonga on September 8, 2025 at 16:58 UTC. The event was offshore. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-08 2025-09-08 15:51:31 UTC | 2.1ml | 8 km ENE of Calumet, Oklahoma 35.625°, -98.031° | 7.8 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.1 earthquake 8 km ENE of Calumet, Oklahoma came in on September 8, 2025 at 15:51 UTC. It arrived roughly 7 hours after a larger magnitude 3.1 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-08 2025-09-08 15:49:29 UTC | 4.3mb | 55 km NW of Pariaman, Indonesia -0.247°, 99.791° | 100.3 km | - | - | - | ✓ Reviewed | USGS → |
At 15:49 UTC on September 8, 2025, a magnitude 4.3 tremor occurred 55 km NW of Pariaman, Indonesia. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-08 2025-09-08 15:35:54 UTC | 4.2mb | 71 km SW of Sola, Vanuatu -14.393°, 167.154° | 171.5 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.2 earthquake 71 km SW of Sola, Vanuatu at 15:35 UTC on September 8, 2025. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-08 2025-09-08 15:25:05 UTC | 2.0ml | 55 km S of Whites City, New Mexico 31.679°, -104.440° | 5.7 km | - | - | - | ✓ Reviewed | USGS → |
At 15:25 UTC on September 8, 2025, a magnitude 2.0 tremor occurred 55 km S of Whites City, New Mexico. This event falls inside the aftershock decay of a nearby magnitude 2.6 earthquake that occurred about 13 hours earlier. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-08 2025-09-08 14:09:37 UTC | 2.0ml | 98 km E of McCarthy, Alaska 61.365°, -141.082° | 0.0 km | - | - | - | Auto | USGS → |
The USGS recorded this magnitude 2.0 earthquake 98 km E of McCarthy, Alaska at 14:09 UTC on September 8, 2025. 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. | ||||||||
About This Page
This page shows all earthquakes recorded by the USGS Earthquake Hazards Program during the 24-hour UTC period on September 8, 2025. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.