Earthquakes on September 11, 2026
289
EARTHQUAKES on September 11, 2026
24-hour UTC period · USGS data
372 km deep · 21 people felt it
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
3
M4.0–4.9
25
M3.0–3.9
9
M2.0–2.9
76
M1.0–1.9
176
Activity Summary
289
Total earthquakes
~250
Daily average
Normal
Activity level
3
M5.0+ events
Geographic Breakdown
By US State
Significant Earthquakes (M4.5+)
6.5
121 km NNE of Teluknaga, Indonesia
21:23 UTC · 372.0 km deep
Felt by 21
5.9
253 km ENE of Lospalos, Timor Leste
11:56 UTC · 111.8 km deep
Felt by 8
5.3
151 km WSW of Adak, Alaska
10:47 UTC · 40.9 km deep
4.9
236 km W of Puerto Chacabuco, Chile
22:32 UTC · 10.0 km deep
4.9
south of the Kermadec Islands
15:44 UTC · 35.0 km deep
4.7
27 km SW of Sipí, Colombia
16:42 UTC · 68.3 km deep
Felt by 4
4.7
79 km NNE of Isangel, Vanuatu
02:28 UTC · 9.8 km deep
4.5
118 km E of Noda, Japan
18:53 UTC · 22.5 km deep
Earthquake Map — September 11, 2026

All Earthquakes — September 11, 2026
Showing 30 of 113 (filtered from 289)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2026-09-11 2026-09-11 23:35:48 UTC | 2.1ml | 25 km W of Tyonek, Alaska 61.072°, -151.603° | 77.4 km | - | - | - | ✓ Reviewed | USGS → |
September 11, 2026 brought a magnitude 2.1 earthquake 25 km W of Tyonek, Alaska, logged at 23:35 UTC. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-11 2026-09-11 23:29:40 UTC | 2.1ml | 8 km S of Ojai, CA 34.374°, -119.260° | 7.1 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.1 earthquake 8 km S of Ojai, CA came in on September 11, 2026 at 23:29 UTC. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-11 2026-09-11 23:27:37 UTC | 2.9ml | 5 km N of Stroud, Oklahoma 35.797°, -96.653° | 7.6 km | 5 | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.9 earthquake 5 km N of Stroud, Oklahoma came in on September 11, 2026 at 23:27 UTC. The event was offshore. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-11 2026-09-11 23:24:38 UTC | 2.1ml | 60 km ESE of Chignik, Alaska 56.069°, -157.525° | 24.1 km | - | - | - | ✓ Reviewed | USGS → |
On September 11, 2026 at 23:24 UTC, a magnitude 2.1 earthquake struck 60 km ESE of Chignik, Alaska. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-11 2026-09-11 23:00:45 UTC | 2.2ml | 87 km SW of Adak, Alaska 51.329°, -177.545° | 17.3 km | - | - | - | ✓ Reviewed | USGS → |
On September 11, 2026 at 23:00 UTC, a magnitude 2.2 earthquake struck 87 km SW of Adak, Alaska. It arrived roughly 20 hours after a larger magnitude 2.6 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. | ||||||||
2026-09-11 2026-09-11 22:52:14 UTC | 2.4ml | 42 km NNW of Glacier View, Alaska 62.180°, -147.825° | 28.8 km | 1 | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.4 earthquake 42 km NNW of Glacier View, Alaska at 22:52 UTC on September 11, 2026. 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. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-11 2026-09-11 22:49:54 UTC | 2.9ml | 113 km N of Yakutat, Alaska 60.564°, -139.885° | 5.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.9 seismic event took place 113 km N of Yakutat, Alaska on September 11, 2026 at 22:49 UTC. The event was offshore. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-11 2026-09-11 22:32:23 UTC | 4.9mb | 236 km W of Puerto Chacabuco, Chile -45.736°, -75.824° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On September 11, 2026, worldwide seismic activity registered a magnitude 4.9 earthquake 236 km W of Puerto Chacabuco, Chile at 22:32 UTC. The event was offshore. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-11 2026-09-11 21:42:53 UTC | 2.2ml | 57 km S of Whites City, New Mexico 31.661°, -104.333° | 7.4 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.2 earthquake was recorded 57 km S of Whites City, New Mexico on September 11, 2026 at 21:42 UTC. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-11 2026-09-11 21:42:26 UTC | 2.1ml | 68 km ESE of Denali National Park, Alaska 63.242°, -150.537° | 121.8 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.1 earthquake was recorded 68 km ESE of Denali National Park, Alaska on September 11, 2026 at 21:42 UTC. Coming 9 hours after a magnitude 2.3 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-11 2026-09-11 21:41:00 UTC | 2.6ml | 150 km SW of Adak, Alaska 51.083°, -178.386° | 14.6 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.6 earthquake 150 km SW of Adak, Alaska at 21:41 UTC on September 11, 2026. This event falls inside the aftershock decay of a nearby magnitude 5.3 earthquake that occurred about 11 hours earlier. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-11 2026-09-11 21:31:39 UTC | 4.0mb | 71 km WSW of Puerto Madero, Mexico 14.374°, -92.978° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.0 earthquake 71 km WSW of Puerto Madero, Mexico at 21:31 UTC on September 11, 2026. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-11 2026-09-11 21:23:55 UTC | 6.5mww | 121 km NNE of Teluknaga, Indonesia -5.027°, 106.868° | 372.0 km | 21 | III | green | ✓ Reviewed | USGS → |
On September 11, 2026 at 21:23 UTC, a magnitude 6.5 earthquake struck 121 km NNE of Teluknaga, Indonesia. 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 11, 2026. See the M6.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-11 2026-09-11 21:00:45 UTC | 2.3md | 1 km NW of Asotin, Washington 46.352°, -117.063° | -1.1 km | - | - | - | ✓ Reviewed | USGS → |
On September 11, 2026 at 21:00 UTC, a magnitude 2.3 earthquake struck 1 km NW of Asotin, Washington. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-11 2026-09-11 20:56:41 UTC | 4.1mb | 38 km WNW of Anse à Galets, Haiti 18.972°, -73.204° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.1 earthquake was recorded 38 km WNW of Anse à Galets, Haiti on September 11, 2026 at 20:56 UTC. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-11 2026-09-11 20:38:14 UTC | 2.6md | 99 km W of Petrolia, CA 40.394°, -125.444° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On September 11, 2026, worldwide seismic activity registered a magnitude 2.6 earthquake 99 km W of Petrolia, CA at 20:38 UTC. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-11 2026-09-11 20:11:39 UTC | 2.0ml | 57 km SW of Skwentna, Alaska 61.657°, -152.230° | 124.8 km | 1 | - | - | ✓ Reviewed | USGS → |
A magnitude 2.0 seismic event took place 57 km SW of Skwentna, Alaska on September 11, 2026 at 20:11 UTC. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-11 2026-09-11 19:48:41 UTC | 2.5ml | 104 km SSE of Old Harbor, Alaska 56.305°, -152.782° | 20.1 km | - | - | - | ✓ Reviewed | USGS → |
On September 11, 2026, worldwide seismic activity registered a magnitude 2.5 earthquake 104 km SSE of Old Harbor, Alaska at 19:48 UTC. It arrived roughly 1 hours after a larger magnitude 3.2 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. | ||||||||
2026-09-11 2026-09-11 19:43:02 UTC | 4.4mb | 21 km NNE of Wonosobo, Indonesia -7.191°, 110.003° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On September 11, 2026 at 19:43 UTC, a magnitude 4.4 earthquake struck 21 km NNE of Wonosobo, Indonesia. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-11 2026-09-11 19:41:36 UTC | 2.6ml | 121 km SSE of Old Harbor, Alaska 56.155°, -152.768° | 13.1 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.6 event was detected 121 km SSE of Old Harbor, Alaska on September 11, 2026, with origin time 19:41 UTC. Coming 1 hours after a magnitude 3.2 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-11 2026-09-11 19:39:28 UTC | 2.1md | 1 km WNW of Magas Arriba, Puerto Rico 18.023°, -66.779° | 14.9 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.1 seismic event took place 1 km WNW of Magas Arriba, Puerto Rico on September 11, 2026 at 19:39 UTC. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-11 2026-09-11 19:17:06 UTC | 3.2ml | 103 km SSE of Old Harbor, Alaska 56.294°, -152.967° | 22.7 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 3.2 earthquake 103 km SSE of Old Harbor, Alaska with origin time 19:17 UTC on September 11, 2026. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-11 2026-09-11 19:16:38 UTC | 2.6ml | Rat Islands, Aleutian Islands, Alaska 51.500°, 178.715° | 12.4 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.6 earthquake near Rat Islands, Aleutian Islands, Alaska came in on September 11, 2026 at 19:16 UTC. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-11 2026-09-11 19:14:24 UTC | 3.3ml | 263 km SSE of Perryville, Alaska 53.903°, -156.966° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On September 11, 2026 at 19:14 UTC, a magnitude 3.3 earthquake struck 263 km SSE of Perryville, Alaska. See the M3.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-11 2026-09-11 19:12:29 UTC | 2.6ml | 222 km WSW of Adak, Alaska 51.020°, -179.523° | 9.3 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.6 seismic event took place 222 km WSW of Adak, Alaska on September 11, 2026 at 19:12 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.9 earthquake that occurred about 9 hours earlier. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-11 2026-09-11 19:02:10 UTC | 2.4ml | 15 km NE of Milford, Utah 38.514°, -112.905° | 2.7 km | - | II | - | ✓ Reviewed | USGS → |
September 11, 2026 brought a magnitude 2.4 earthquake 15 km NE of Milford, Utah, logged at 19:02 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. | ||||||||
2026-09-11 2026-09-11 18:59:48 UTC | 4.4mb | 146 km WSW of Merizo Village, Guam 12.956°, 143.354° | 200.2 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.4 earthquake was recorded 146 km WSW of Merizo Village, Guam on September 11, 2026 at 18:59 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-11 2026-09-11 18:55:12 UTC | 2.0ml | 102 km ENE of Chignik, Alaska 56.603°, -156.846° | 2.1 km | - | - | - | ✓ Reviewed | USGS → |
September 11, 2026 brought a magnitude 2.0 earthquake 102 km ENE of Chignik, Alaska, logged at 18:55 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. | ||||||||
2026-09-11 2026-09-11 18:53:30 UTC | 2.4ml | 78 km SSE of Adak, Alaska 51.243°, -176.133° | 11.9 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.4 event was detected 78 km SSE of Adak, Alaska on September 11, 2026, with origin time 18:53 UTC. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-11 2026-09-11 18:53:29 UTC | 4.5mb | 118 km E of Noda, Japan 40.088°, 143.211° | 22.5 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.5 earthquake 118 km E of Noda, Japan came in on September 11, 2026 at 18:53 UTC. The event was offshore. See the M4.5 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 11, 2026. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.