Earthquakes on September 3, 2025
265
EARTHQUAKES on September 3, 2025
24-hour UTC period · USGS data
LARGEST: M5.9 — 92 km SSW of Nikolski, Alaska
18 km deep · 1 person felt it
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
7
M4.0–4.9
44
M3.0–3.9
15
M2.0–2.9
44
M1.0–1.9
155
Activity Summary
265
Total earthquakes
~250
Daily average
Normal
Activity level
7
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
5.9
92 km SSW of Nikolski, Alaska
20:57 UTC · 18.0 km deep
Felt by 1
5.3
16 km E of Puyo, Ecuador
14:56 UTC · 161.8 km deep
Felt by 6
5.2
183 km SSE of Vilyuchinsk, Russia
03:38 UTC · 10.0 km deep
5.0
239 km SSW of ‘Ohonua, Tonga
22:56 UTC · 35.0 km deep
5.0
33 km ESE of Union, Philippines
22:45 UTC · 35.0 km deep
5.0
southeast of the Loyalty Islands
00:37 UTC · 10.0 km deep
5.0
84 km SSW of Lata, Solomon Islands
00:15 UTC · 10.0 km deep
4.9
91 km SSE of Vilyuchinsk, Russia
23:56 UTC · 61.7 km deep
Earthquake Map — September 3, 2025
All Earthquakes — September 3, 2025
Showing 30 of 110 (filtered from 265)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2025-09-03 2025-09-03 23:56:39 UTC | 4.9mb | 91 km SSE of Vilyuchinsk, Russia 52.203°, 159.026° | 61.7 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.9 earthquake 91 km SSE of Vilyuchinsk, Russia came in on September 3, 2025 at 23:56 UTC. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-03 2025-09-03 23:23:49 UTC | 4.7mb | 142 km W of Malango, Solomon Islands -9.562°, 158.430° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.7 earthquake 142 km W of Malango, Solomon Islands with origin time 23:23 UTC on September 3, 2025. The event was offshore. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-03 2025-09-03 23:09:26 UTC | 4.1mb | 45 km NNW of Dededo Village, Guam 13.889°, 144.666° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
September 3, 2025 brought a magnitude 4.1 earthquake 45 km NNW of Dededo Village, Guam, logged at 23:09 UTC. This event falls inside the aftershock decay of a nearby magnitude 4.2 earthquake that occurred about 1 hours earlier. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-03 2025-09-03 23:07:11 UTC | 4.6mb | southeast of the Loyalty Islands -23.200°, 172.408° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.6 earthquake southeast of the Loyalty Islands came in on September 3, 2025 at 23:07 UTC. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-03 2025-09-03 23:04:25 UTC | 4.5mb | 16 km ESE of Union, Philippines 9.678°, 126.242° | 32.2 km | - | - | - | ✓ Reviewed | USGS → |
On September 3, 2025 at 23:04 UTC, a magnitude 4.5 earthquake struck 16 km ESE of Union, Philippines. Coming 1 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. | ||||||||
2025-09-03 2025-09-03 22:59:32 UTC | 4.2mb | 35 km NNW of Dededo Village, Guam 13.796°, 144.669° | 156.3 km | - | - | - | ✓ Reviewed | USGS → |
At 22:59 UTC on September 3, 2025, a magnitude 4.2 tremor occurred 35 km NNW of Dededo Village, Guam. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-03 2025-09-03 22:56:11 UTC | 5.0mb | 239 km SSW of ‘Ohonua, Tonga -23.389°, -175.707° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
On September 3, 2025, worldwide seismic activity registered a magnitude 5.0 earthquake 239 km SSW of ‘Ohonua, Tonga at 22:56 UTC. See the M5.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-03 2025-09-03 22:45:45 UTC | 5.0mb | 33 km ESE of Union, Philippines 9.644°, 126.390° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
At 22:45 UTC on September 3, 2025, a magnitude 5.0 tremor occurred 33 km ESE of Union, Philippines. See the M5.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-03 2025-09-03 22:38:51 UTC | 2.2ml | 27 km NNE of Paxson, Alaska 63.333°, -145.484° | 8.2 km | - | - | - | Auto | USGS → |
At 22:38 UTC on September 3, 2025, a magnitude 2.2 tremor occurred 27 km NNE of Paxson, Alaska. This event falls inside the aftershock decay of a nearby magnitude 2.4 earthquake that occurred about 1 hours earlier. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-03 2025-09-03 22:05:33 UTC | 2.5ml | 25 km SE of Wright, Wyoming 43.572°, -105.295° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.5 event was detected 25 km SE of Wright, Wyoming on September 3, 2025, with origin time 22:05 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-03 2025-09-03 21:57:07 UTC | 2.5ml | 21 km E of Honaunau-Napoopoo, Hawaii 19.452°, -155.658° | -2.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.5 earthquake 21 km E of Honaunau-Napoopoo, Hawaii at 21:57 UTC on September 3, 2025. This is the shallowest earthquake in the current dataset — a shallow crustal event. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-03 2025-09-03 21:55:06 UTC | 4.4mb | 186 km WNW of Abepura, Indonesia -1.844°, 139.135° | 25.7 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.4 event was detected 186 km WNW of Abepura, Indonesia on September 3, 2025, with origin time 21:55 UTC. Coming 5 hours after a magnitude 4.9 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-03 2025-09-03 21:54:28 UTC | 2.4ml | 29 km NNE of Paxson, Alaska 63.340°, -145.424° | 0.4 km | - | - | - | Auto | USGS → |
On September 3, 2025, worldwide seismic activity registered a magnitude 2.4 earthquake 29 km NNE of Paxson, Alaska at 21:54 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. | ||||||||
2025-09-03 2025-09-03 21:21:45 UTC | 4.4mb | 219 km ENE of Levuka, Fiji -17.639°, -178.660° | 561.1 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.4 earthquake 219 km ENE of Levuka, Fiji came in on September 3, 2025 at 21:21 UTC. This is the deepest earthquake in the current dataset — a deep-focus event. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-03 2025-09-03 21:18:42 UTC | 3.7mb | 73 km SW of Nikolski, Alaska 52.424°, -169.536° | 39.2 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 3.7 earthquake 73 km SW of Nikolski, Alaska came in on September 3, 2025 at 21:18 UTC. The event was offshore. See the M3.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-03 2025-09-03 21:04:24 UTC | 4.4mb | 92 km SSW of Nikolski, Alaska 52.199°, -169.484° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.4 seismic event took place 92 km SSW of Nikolski, Alaska on September 3, 2025 at 21:04 UTC. This event falls inside the aftershock decay of a nearby magnitude 5.9 earthquake that occurred about 1 hours earlier. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-03 2025-09-03 21:00:12 UTC | 4.3mb | 72 km W of Kuqa, China 41.771°, 82.062° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.3 earthquake was recorded 72 km W of Kuqa, China on September 3, 2025 at 21:00 UTC. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-03 2025-09-03 20:57:47 UTC | 5.9mww | 92 km SSW of Nikolski, Alaska 52.207°, -169.504° | 18.0 km | 1 | III | green | ✓ Reviewed | USGS → |
On September 3, 2025 at 20:57 UTC, a magnitude 5.9 earthquake struck 92 km SSW of Nikolski, Alaska. 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 M5.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-03 2025-09-03 20:50:06 UTC | 3.9mb | 115 km SSE of Sand Point, Alaska 54.371°, -159.860° | 10.0 km | - | II | - | ✓ Reviewed | USGS → |
On September 3, 2025, worldwide seismic activity registered a magnitude 3.9 earthquake 115 km SSE of Sand Point, Alaska at 20:50 UTC. See the M3.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-03 2025-09-03 20:48:30 UTC | 3.9md | 138 km N of Isabela, Puerto Rico 19.746°, -66.903° | 40.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 3.9 earthquake 138 km N of Isabela, Puerto Rico with origin time 20:48 UTC on September 3, 2025. The event was offshore. See the M3.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-03 2025-09-03 20:31:16 UTC | 4.6mb | 55 km SE of Isen, Japan 27.388°, 129.393° | 23.2 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.6 seismic event took place 55 km SE of Isen, Japan on September 3, 2025 at 20:31 UTC. The event was offshore. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-03 2025-09-03 20:07:40 UTC | 4.2mb | 114 km SW of Nikolski, Alaska 52.131°, -169.899° | 26.2 km | - | II | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.2 earthquake 114 km SW of Nikolski, Alaska at 20:07 UTC on September 3, 2025. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-03 2025-09-03 19:55:37 UTC | 4.4mb | 11 km ENE of Cagdianao, Philippines 9.948°, 125.767° | 63.7 km | - | - | - | ✓ Reviewed | USGS → |
September 3, 2025 brought a magnitude 4.4 earthquake 11 km ENE of Cagdianao, Philippines, logged at 19:55 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-03 2025-09-03 19:41:18 UTC | 2.5ml | 3 km ESE of Nikiski, Alaska 60.677°, -151.227° | 43.5 km | - | - | - | Auto | USGS → |
Reports of a magnitude 2.5 earthquake 3 km ESE of Nikiski, Alaska came in on September 3, 2025 at 19:41 UTC. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-03 2025-09-03 19:31:09 UTC | 2.0ml | 27 km WNW of Volcano, Hawaii 19.496°, -155.485° | 4.3 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.0 event was detected 27 km WNW of Volcano, Hawaii on September 3, 2025, with origin time 19:31 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. | ||||||||
2025-09-03 2025-09-03 19:10:35 UTC | 2.9ml | 49 km NE of Valmy, Nevada 41.129°, -116.736° | 7.3 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.9 event was detected 49 km NE of Valmy, Nevada on September 3, 2025, with origin time 19:10 UTC. It arrived roughly 11 hours after a larger magnitude 3.1 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-03 2025-09-03 18:47:59 UTC | 4.4mb | 186 km WNW of Abepura, Indonesia -1.742°, 139.189° | 22.7 km | - | - | - | ✓ Reviewed | USGS → |
On September 3, 2025 at 18:47 UTC, a magnitude 4.4 earthquake struck 186 km WNW of Abepura, Indonesia. It arrived roughly 2 hours after a larger magnitude 4.9 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-03 2025-09-03 18:43:35 UTC | 2.3md | 56 km W of Petrolia, CA 40.329°, -124.946° | 12.9 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.3 seismic event took place 56 km W of Petrolia, CA on September 3, 2025 at 18:43 UTC. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-03 2025-09-03 18:39:33 UTC | 4.8mb | 25 km NNE of Ambunti, Papua New Guinea -4.011°, 142.928° | 68.9 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.8 earthquake was recorded 25 km NNE of Ambunti, Papua New Guinea on September 3, 2025 at 18:39 UTC. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-09-03 2025-09-03 18:03:18 UTC | 2.9ml | 37 km WNW of Valdez, Alaska 61.282°, -146.978° | 14.9 km | - | - | - | Auto | USGS → |
Reports of a magnitude 2.9 earthquake 37 km WNW of Valdez, Alaska came in on September 3, 2025 at 18:03 UTC. See the M2.9 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 September 3, 2025. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.