Earthquakes on September 15, 2025
Magnitude Breakdown
Activity Summary
Significant Earthquakes (M4.5+)
144 km ESE of Petropavlovsk-Kamchatsky, Russia
16:34 UTC · 15.0 km deep
82 km ENE of Petropavlovsk-Kamchatsky, Russia
01:39 UTC · 63.0 km deep
92 km E of Petropavlovsk-Kamchatsky, Russia
00:06 UTC · 62.7 km deep
234 km SE of Birżebbuġa, Malta
09:55 UTC · 10.0 km deep
Felt by 9
246 km ESE of Severo-Kuril’sk, Russia
17:15 UTC · 10.0 km deep
29 km NE of Anse-Bertrand, Guadeloupe
09:16 UTC · 59.3 km deep
Felt by 31
23 km WSW of Vilcanchos, Peru
01:52 UTC · 90.9 km deep
Felt by 1
64 km ENE of La Tirana, Chile
20:56 UTC · 108.9 km deep
Felt by 13
Earthquake Map — September 15, 2025

All Earthquakes — September 15, 2025
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2025-09-15 2025-09-15 23:21:44 UTC | 4.5mb | 48 km SSW of Ollagüe, Chile -21.635°, -68.408° | 121.7 km | - | - | - | ✓ Reviewed | USGS → |
On September 15, 2025, worldwide seismic activity registered a magnitude 4.5 earthquake 48 km SSW of Ollagüe, Chile at 23:21 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-15 2025-09-15 22:00:08 UTC | 3.3mw | 8 km E of Clayton, CA 37.941°, -121.850° | 7.5 km | 642 | III | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 3.3 earthquake 8 km E of Clayton, CA at 22:00 UTC on September 15, 2025. The event was offshore. See the M3.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-15 2025-09-15 21:37:19 UTC | 3.3ml | 107 km SE of Akhiok, Alaska 56.172°, -153.122° | 17.5 km | - | - | - | ✓ Reviewed | USGS → |
At 21:37 UTC on September 15, 2025, a magnitude 3.3 tremor occurred 107 km SE of Akhiok, Alaska. The event was offshore. See the M3.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-15 2025-09-15 21:32:56 UTC | 4.2mb | Drake Passage -60.926°, -62.143° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.2 earthquake was recorded near Drake Passage on September 15, 2025 at 21:32 UTC. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-15 2025-09-15 21:10:55 UTC | 4.0mb | 29 km SSW of Mohr, Iran 27.299°, 52.806° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.0 earthquake 29 km SSW of Mohr, Iran with origin time 21:10 UTC on September 15, 2025. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-15 2025-09-15 21:03:22 UTC | 4.2mb | 40 km WSW of Mohr, Iran 27.420°, 52.505° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.2 earthquake 40 km WSW of Mohr, Iran with origin time 21:03 UTC on September 15, 2025. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-15 2025-09-15 21:00:18 UTC | 4.3mb | Kepulauan Babar, Indonesia -7.371°, 129.596° | 63.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.3 earthquake near Kepulauan Babar, Indonesia came in on September 15, 2025 at 21:00 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-15 2025-09-15 20:56:13 UTC | 4.8mb | 64 km ENE of La Tirana, Chile -20.073°, -69.110° | 108.9 km | 13 | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.8 earthquake 64 km ENE of La Tirana, Chile came in on September 15, 2025 at 20:56 UTC. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-15 2025-09-15 20:42:54 UTC | 4.3mb | 158 km SSE of Vilyuchinsk, Russia 51.586°, 159.158° | 56.2 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.3 seismic event took place 158 km SSE of Vilyuchinsk, Russia on September 15, 2025 at 20:42 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-15 2025-09-15 20:29:21 UTC | 4.7mb | 299 km E of Levuka, Fiji -17.955°, -177.861° | 629.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.7 seismic event took place 299 km E of Levuka, Fiji on September 15, 2025 at 20:29 UTC. This is the deepest earthquake in the current dataset — a deep-focus event. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-15 2025-09-15 20:18:09 UTC | 4.1mb | 115 km E of Petropavlovsk-Kamchatsky, Russia 52.905°, 160.331° | 39.8 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.1 seismic event took place 115 km E of Petropavlovsk-Kamchatsky, Russia on September 15, 2025 at 20:18 UTC. The event was offshore. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-15 2025-09-15 20:07:17 UTC | 4.5mb | 18 km NNW of Locumba, Peru -17.465°, -70.841° | 97.1 km | - | - | - | ✓ Reviewed | USGS → |
At 20:07 UTC on September 15, 2025, a magnitude 4.5 tremor occurred 18 km NNW of Locumba, Peru. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-15 2025-09-15 19:49:55 UTC | 2.9ml | 4 km SW of Kahaluu-Keauhou, Hawaii 19.547°, -155.995° | 4.1 km | 11 | - | - | ✓ Reviewed | USGS → |
This magnitude 2.9 event was detected 4 km SW of Kahaluu-Keauhou, Hawaii on September 15, 2025, with origin time 19:49 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-15 2025-09-15 19:35:36 UTC | 2.3ml | 7 km WSW of Holtville, CA 32.790°, -115.450° | 15.6 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.3 earthquake was recorded 7 km WSW of Holtville, CA on September 15, 2025 at 19:35 UTC. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-15 2025-09-15 19:00:07 UTC | 4.3mb | 4 km WSW of Yoshida-kasugachō, Japan 37.670°, 138.839° | 185.8 km | - | - | - | ✓ Reviewed | USGS → |
September 15, 2025 brought a magnitude 4.3 earthquake 4 km WSW of Yoshida-kasugachō, Japan, logged at 19:00 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-15 2025-09-15 18:16:27 UTC | 2.1ml | 23 km NW of Petersville, Alaska 62.662°, -151.037° | 92.2 km | - | - | - | Auto | USGS → |
On September 15, 2025 at 18:16 UTC, a magnitude 2.1 earthquake struck 23 km NW of Petersville, Alaska. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-15 2025-09-15 18:03:06 UTC | 4.2mb | 44 km NNW of Gewanē, Ethiopia 10.542°, 40.491° | 10.0 km | 1 | - | - | ✓ Reviewed | USGS → |
On September 15, 2025, worldwide seismic activity registered a magnitude 4.2 earthquake 44 km NNW of Gewanē, Ethiopia at 18:03 UTC. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-15 2025-09-15 18:01:02 UTC | 4.5mb | 132 km NW of Davila, Philippines 19.322°, 119.696° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.5 earthquake 132 km NW of Davila, Philippines at 18:01 UTC on September 15, 2025. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-15 2025-09-15 17:15:42 UTC | 5.0mb | 246 km ESE of Severo-Kuril’sk, Russia 49.487°, 159.036° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 17:15 UTC on September 15, 2025, a magnitude 5.0 tremor occurred 246 km ESE of Severo-Kuril’sk, Russia. See the M5.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-15 2025-09-15 17:04:15 UTC | 4.1mb | 188 km SE of Petropavlovsk-Kamchatsky, Russia 51.914°, 160.663° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
September 15, 2025 brought a magnitude 4.1 earthquake 188 km SE of Petropavlovsk-Kamchatsky, Russia, logged at 17:04 UTC. The event was offshore. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-15 2025-09-15 16:34:35 UTC | 6.0mww | 144 km ESE of Petropavlovsk-Kamchatsky, Russia 52.697°, 160.679° | 15.0 km | - | IV | green | ✓ Reviewed | USGS → |
On September 15, 2025 at 16:34 UTC, a magnitude 6.0 earthquake struck 144 km ESE of Petropavlovsk-Kamchatsky, Russia. 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 September 15, 2025. See the M6.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-15 2025-09-15 16:18:28 UTC | 2.2ml | 87 km WSW of Preston, Nevada 38.587°, -115.973° | 1.2 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.2 event was detected 87 km WSW of Preston, Nevada on September 15, 2025, with origin time 16:18 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. | ||||||||
2025-09-15 2025-09-15 16:09:52 UTC | 4.4mb | 128 km ENE of Petropavlovsk-Kamchatsky, Russia 53.402°, 160.474° | 55.5 km | - | - | - | ✓ Reviewed | USGS → |
September 15, 2025 brought a magnitude 4.4 earthquake 128 km ENE of Petropavlovsk-Kamchatsky, Russia, logged at 16:09 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-15 2025-09-15 16:06:52 UTC | 4.4mb | 142 km E of Petropavlovsk-Kamchatsky, Russia 52.851°, 160.726° | 31.3 km | - | - | - | ✓ Reviewed | USGS → |
On September 15, 2025 at 16:06 UTC, a magnitude 4.4 earthquake struck 142 km E of Petropavlovsk-Kamchatsky, Russia. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-15 2025-09-15 15:32:39 UTC | 4.4mb | Mariana Islands region 20.291°, 146.141° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.4 earthquake was recorded in the Mariana Islands region on September 15, 2025 at 15:32 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-15 2025-09-15 15:08:54 UTC | 2.2md | 8 km SE of La Parguera, Puerto Rico 17.927°, -66.984° | 12.8 km | - | - | - | ✓ Reviewed | USGS → |
At 15:08 UTC on September 15, 2025, a magnitude 2.2 tremor occurred 8 km SE of La Parguera, Puerto Rico. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-15 2025-09-15 14:21:59 UTC | 4.7mb | 292 km WNW of Longyearbyen, Svalbard and Jan Mayen 79.609°, 4.028° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
September 15, 2025 brought a magnitude 4.7 earthquake 292 km WNW of Longyearbyen, Svalbard and Jan Mayen, logged at 14:21 UTC. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-15 2025-09-15 13:38:11 UTC | 2.2ml | 8 km NNW of Thousand Palms, CA 33.889°, -116.412° | 3.6 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.2 earthquake 8 km NNW of Thousand Palms, CA at 13:38 UTC on September 15, 2025. 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. | ||||||||
2025-09-15 2025-09-15 13:10:29 UTC | 2.1md | 25 km SSW of South Dos Palos, CA 36.770°, -120.800° | 5.9 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.1 earthquake was recorded 25 km SSW of South Dos Palos, CA on September 15, 2025 at 13:10 UTC. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-15 2025-09-15 12:36:31 UTC | 4.5mb | 6 km NW of Santa Rosa, Mexico 16.362°, -95.139° | 53.5 km | 1 | - | - | ✓ Reviewed | USGS → |
This magnitude 4.5 event was detected 6 km NW of Santa Rosa, Mexico on September 15, 2025, with origin time 12:36 UTC. The event was offshore. See the M4.5 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 15, 2025. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.