Earthquakes on September 3, 2026
385
EARTHQUAKES on September 3, 2026
24-hour UTC period · USGS data
LARGEST: M6.3 — 89 km SSW of Nikolski, Alaska
21 km deep · 3 people felt it
Elevated activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
12
M4.0–4.9
43
M3.0–3.9
38
M2.0–2.9
97
M1.0–1.9
195
Activity Summary
385
Total earthquakes
~250
Daily average
Elevated
Activity level
12
M5.0+ events
Significant Earthquakes (M4.5+)
6.3
89 km SSW of Nikolski, Alaska
11:17 UTC · 21.0 km deep
Felt by 3
5.5
17 km WNW of Jiangyou, China
11:39 UTC · 10.0 km deep
Felt by 6
5.4
105 km SSW of Nikolski, Alaska
20:21 UTC · 10.0 km deep
5.3
108 km SSW of Nikolski, Alaska
18:45 UTC · 10.0 km deep
5.2
102 km SSW of Nikolski, Alaska
13:03 UTC · 10.0 km deep
5.1
273 km SSE of Dunhuang, China
17:04 UTC · 10.0 km deep
5.1
85 km SSW of Nikolski, Alaska
11:24 UTC · 46.2 km deep
5.1
119 km NE of Joshīmath, India
08:16 UTC · 10.0 km deep
Earthquake Map — September 3, 2026
All Earthquakes — September 3, 2026
Showing 30 of 190 (filtered from 385)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2026-09-03 2026-09-03 23:57:25 UTC | 3.0ml | 123 km S of Nikolski, Alaska 51.847°, -169.159° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 3.0 earthquake 123 km S of Nikolski, Alaska with origin time 23:57 UTC on September 3, 2026. This event falls inside the aftershock decay of a nearby magnitude 5.4 earthquake that occurred about 4 hours earlier. The event was offshore. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-03 2026-09-03 23:56:57 UTC | 2.9ml | 103 km SSW of Nikolski, Alaska 52.033°, -169.220° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 23:56 UTC on September 3, 2026, a magnitude 2.9 tremor occurred 103 km SSW of Nikolski, Alaska. This event falls inside the aftershock decay of a nearby magnitude 6.3 earthquake that occurred about 13 hours earlier. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-03 2026-09-03 23:54:25 UTC | 2.8ml | 90 km SSW of Nikolski, Alaska 52.148°, -169.159° | 10.6 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.8 seismic event took place 90 km SSW of Nikolski, Alaska on September 3, 2026 at 23:54 UTC. Coming 13 hours after a magnitude 6.3 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-03 2026-09-03 23:41:32 UTC | 2.3md | 1 km SSW of Guánica, Puerto Rico 17.962°, -66.911° | 13.4 km | - | - | - | ✓ Reviewed | USGS → |
September 3, 2026 brought a magnitude 2.3 earthquake 1 km SSW of Guánica, Puerto Rico, logged at 23:41 UTC. It arrived roughly 15 hours after a larger magnitude 2.4 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-03 2026-09-03 23:30:59 UTC | 2.5ml | 109 km SSW of Nikolski, Alaska 52.003°, -169.368° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.5 event was detected 109 km SSW of Nikolski, Alaska on September 3, 2026, with origin time 23:30 UTC. This event falls inside the aftershock decay of a nearby magnitude 5.4 earthquake that occurred about 3 hours earlier. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-03 2026-09-03 23:25:34 UTC | 2.6ml | 92 km SSW of Nikolski, Alaska 52.138°, -169.235° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.6 earthquake was recorded 92 km SSW of Nikolski, Alaska on September 3, 2026 at 23:25 UTC. This event falls inside the aftershock decay of a nearby magnitude 6.3 earthquake that occurred about 12 hours earlier. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-03 2026-09-03 23:22:27 UTC | 2.7ml | 80 km SSW of Nikolski, Alaska 52.238°, -169.154° | 22.6 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.7 seismic event took place 80 km SSW of Nikolski, Alaska on September 3, 2026 at 23:22 UTC. It arrived roughly 12 hours after a larger magnitude 6.3 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-03 2026-09-03 23:21:30 UTC | 3.4ml | 57 km W of Anchor Point, Alaska 59.775°, -152.860° | 112.1 km | - | - | - | ✓ Reviewed | USGS → |
At 23:21 UTC on September 3, 2026, a magnitude 3.4 tremor occurred 57 km W of Anchor Point, Alaska. The event was offshore. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-03 2026-09-03 23:17:08 UTC | 2.2md | 31 km W of Petrolia, CA 40.303°, -124.645° | 18.3 km | - | - | - | ✓ Reviewed | USGS → |
At 23:17 UTC on September 3, 2026, a magnitude 2.2 tremor occurred 31 km W of Petrolia, CA. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-03 2026-09-03 23:15:10 UTC | 4.5mb | 47 km SSE of Güiria, Venezuela 10.164°, -62.168° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.5 earthquake 47 km SSE of Güiria, Venezuela with origin time 23:15 UTC on September 3, 2026. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-03 2026-09-03 23:12:40 UTC | 3.0ml | 100 km SSW of Nikolski, Alaska 52.070°, -169.272° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On September 3, 2026, worldwide seismic activity registered a magnitude 3.0 earthquake 100 km SSW of Nikolski, Alaska at 23:12 UTC. Coming 12 hours after a magnitude 6.3 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-03 2026-09-03 23:02:00 UTC | 2.5ml | 57 km S of Whites City, New Mexico 31.656°, -104.387° | 6.1 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.5 earthquake 57 km S of Whites City, New Mexico came in on September 3, 2026 at 23:02 UTC. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-03 2026-09-03 23:01:02 UTC | 2.5ml | 80 km SSW of Nikolski, Alaska 52.334°, -169.516° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.5 seismic event took place 80 km SSW of Nikolski, Alaska on September 3, 2026 at 23:01 UTC. It arrived roughly 12 hours after a larger magnitude 6.3 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-03 2026-09-03 22:54:19 UTC | 3.3ml | 98 km SSW of Nikolski, Alaska 52.091°, -169.292° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.3 earthquake was recorded 98 km SSW of Nikolski, Alaska on September 3, 2026 at 22:54 UTC. Coming 12 hours after a magnitude 6.3 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M3.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-03 2026-09-03 22:53:05 UTC | 2.7ml | 115 km SSW of Nikolski, Alaska 51.982°, -169.502° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
September 3, 2026 brought a magnitude 2.7 earthquake 115 km SSW of Nikolski, Alaska, logged at 22:53 UTC. This event falls inside the aftershock decay of a nearby magnitude 5.3 earthquake that occurred about 4 hours earlier. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-03 2026-09-03 22:42:15 UTC | 3.3ml | 88 km SSW of Nikolski, Alaska 52.174°, -169.242° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 3.3 earthquake 88 km SSW of Nikolski, Alaska with origin time 22:42 UTC on September 3, 2026. It arrived roughly 11 hours after a larger magnitude 6.3 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M3.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-03 2026-09-03 22:41:30 UTC | 3.0ml | 97 km SSW of Nikolski, Alaska 52.192°, -169.621° | 18.0 km | - | - | - | ✓ Reviewed | USGS → |
At 22:41 UTC on September 3, 2026, a magnitude 3.0 tremor occurred 97 km SSW of Nikolski, Alaska. It arrived roughly 11 hours after a larger magnitude 6.3 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-03 2026-09-03 22:39:47 UTC | 2.8ml | 90 km S of Nikolski, Alaska 52.142°, -169.091° | 8.5 km | - | - | - | ✓ Reviewed | USGS → |
September 3, 2026 brought a magnitude 2.8 earthquake 90 km S of Nikolski, Alaska, logged at 22:39 UTC. It arrived roughly 11 hours after a larger magnitude 6.3 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-03 2026-09-03 22:39:02 UTC | 3.4ml | 19 km SE of Pāhala, Hawaii 19.066°, -155.359° | 31.9 km | - | II | - | ✓ Reviewed | USGS → |
On September 3, 2026, worldwide seismic activity registered a magnitude 3.4 earthquake 19 km SE of Pāhala, Hawaii at 22:39 UTC. The event was offshore. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-03 2026-09-03 22:36:20 UTC | 2.8ml | 82 km S of Nikolski, Alaska 52.201°, -169.028° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On September 3, 2026 at 22:36 UTC, a magnitude 2.8 earthquake struck 82 km S of Nikolski, Alaska. This event falls inside the aftershock decay of a nearby magnitude 5.1 earthquake that occurred about 11 hours earlier. The event was offshore. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-03 2026-09-03 22:35:07 UTC | 2.2ml | 40 km W of Anchor Point, Alaska 59.801°, -152.546° | 88.8 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.2 earthquake was recorded 40 km W of Anchor Point, Alaska on September 3, 2026 at 22:35 UTC. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-03 2026-09-03 22:00:48 UTC | 2.6ml | 149 km ESE of Nikolski, Alaska 52.495°, -166.772° | 9.6 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.6 earthquake 149 km ESE of Nikolski, Alaska with origin time 22:00 UTC on September 3, 2026. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-03 2026-09-03 21:58:46 UTC | 4.3mb | 37 km ESE of Farkhār, Afghanistan 36.476°, 70.258° | 215.2 km | - | - | - | ✓ Reviewed | USGS → |
On September 3, 2026 at 21:58 UTC, a magnitude 4.3 earthquake struck 37 km ESE of Farkhār, Afghanistan. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-03 2026-09-03 21:21:33 UTC | 3.2md | 8 km WNW of Maricao, Puerto Rico 18.199°, -67.058° | 126.3 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.2 seismic event took place 8 km WNW of Maricao, Puerto Rico on September 3, 2026 at 21:21 UTC. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-03 2026-09-03 21:18:21 UTC | 4.8mww | 28 km WSW of Salamanca, Chile -31.882°, -71.237° | 83.6 km | 6 | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.8 earthquake 28 km WSW of Salamanca, Chile at 21:18 UTC on September 3, 2026. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-03 2026-09-03 21:07:04 UTC | 3.0md | 28 km SSW of Charlotte Amalie, U.S. Virgin Islands 18.093°, -64.984° | 14.1 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 3.0 earthquake 28 km SSW of Charlotte Amalie, U.S. Virgin Islands at 21:07 UTC on September 3, 2026. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-03 2026-09-03 21:05:16 UTC | 4.9mb | 105 km W of Gorontalo, Indonesia 0.489°, 122.113° | 124.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.9 earthquake 105 km W of Gorontalo, Indonesia with origin time 21:05 UTC on September 3, 2026. The event was offshore. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-03 2026-09-03 21:00:10 UTC | 4.8mb | 56 km N of Ende, Indonesia -8.336°, 121.639° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.8 event was detected 56 km N of Ende, Indonesia on September 3, 2026, with origin time 21:00 UTC. The event was offshore. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-03 2026-09-03 20:59:03 UTC | 2.1ml | 3 km SSE of Kukuihaele, Hawaii 20.094°, -155.560° | 12.7 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.1 event was detected 3 km SSE of Kukuihaele, Hawaii on September 3, 2026, with origin time 20:59 UTC. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-03 2026-09-03 20:56:51 UTC | 2.8ml | 79 km SSW of Nikolski, Alaska 52.252°, -169.207° | 11.8 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.8 earthquake was recorded 79 km SSW of Nikolski, Alaska on September 3, 2026 at 20:56 UTC. Coming 10 hours after a magnitude 6.3 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.8 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, 2026. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.