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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 activity
compared 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

Earthquake Map — September 11, 2026

Map showing earthquake epicenter at 20.00°, 0.00°

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 ↕MMIAlertStatusDetails
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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 km5--✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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 km1--✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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 km21IIIgreen✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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 km1--✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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-✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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.