Earthquakes on September 11, 2026
280
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
21
M3.0–3.9
9
M2.0–2.9
73
M1.0–1.9
174
Activity Summary
280
Total earthquakes
~250
Daily average
Normal
Activity level
3
M5.0+ events
Geographic Breakdown
By US State
Significant Earthquakes (M4.5+)
6.5
126 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
235 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
4.9
69 km N of Isangel, Vanuatu
02:28 UTC · 18.7 km deep
4.7
27 km SW of Sipí, Colombia
16:42 UTC · 68.3 km deep
Felt by 4
4.5
92 km S of False Pass, Alaska
07:31 UTC · 43.1 km deep
Earthquake Map — September 11, 2026
All Earthquakes — September 11, 2026
Showing 30 of 106 (filtered from 280)
(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 → |
Seismographs logged a magnitude 2.1 earthquake 25 km W of Tyonek, Alaska with origin time 23:35 UTC on September 11, 2026. 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 → |
On September 11, 2026 at 23:29 UTC, a magnitude 2.1 earthquake struck 8 km S of Ojai, CA. 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 | 8 | - | - | ✓ Reviewed | USGS → |
On September 11, 2026, worldwide seismic activity registered a magnitude 2.9 earthquake 5 km N of Stroud, Oklahoma 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, worldwide seismic activity registered a magnitude 2.1 earthquake 60 km ESE of Chignik, Alaska at 23:24 UTC. 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 → |
At 23:00 UTC on September 11, 2026, a magnitude 2.2 tremor occurred 87 km SW of Adak, Alaska. 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 → |
On September 11, 2026 at 22:52 UTC, a magnitude 2.4 earthquake struck 42 km NNW of Glacier View, Alaska. This event falls inside the aftershock decay of a nearby magnitude 4.0 earthquake that occurred about 16 hours earlier. 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 | 114 km N of Yakutat, Alaska 60.568°, -139.976° | 5.0 km | - | - | - | ✓ Reviewed | USGS → |
At 22:49 UTC on September 11, 2026, a magnitude 2.9 tremor occurred 114 km N of Yakutat, Alaska. 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 | 235 km W of Puerto Chacabuco, Chile -45.718°, -75.815° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On September 11, 2026, worldwide seismic activity registered a magnitude 4.9 earthquake 235 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 → |
The USGS recorded this magnitude 2.2 earthquake 57 km S of Whites City, New Mexico at 21:42 UTC on September 11, 2026. 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 → |
At 21:42 UTC on September 11, 2026, a magnitude 2.1 tremor occurred 68 km ESE of Denali National Park, Alaska. This event falls inside the aftershock decay of a nearby magnitude 2.3 earthquake that occurred about 9 hours earlier. 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 → |
A magnitude 2.6 earthquake was recorded 150 km SW of Adak, Alaska on September 11, 2026 at 21:41 UTC. It arrived roughly 11 hours after a larger magnitude 5.3 mainshock in the same 20 km area, placing it within the typical aftershock window. 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 | 64 km SW of Puerto Madero, Mexico 14.393°, -92.917° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.0 earthquake was recorded 64 km SW of Puerto Madero, Mexico on September 11, 2026 at 21:31 UTC. The event was offshore. 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 | 126 km NNE of Teluknaga, Indonesia -4.983°, 106.874° | 372.0 km | 21 | III | green | ✓ Reviewed | USGS → |
On September 11, 2026 at 21:23 UTC, a magnitude 6.5 earthquake struck 126 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 20:56:41 UTC | 4.1mb | 38 km WNW of Anse à Galets, Haiti 18.972°, -73.204° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
September 11, 2026 brought a magnitude 4.1 earthquake 38 km WNW of Anse à Galets, Haiti, logged 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 20:11:39 UTC | 2.0ml | 57 km SW of Skwentna, Alaska 61.657°, -152.230° | 124.8 km | 1 | - | - | ✓ Reviewed | USGS → |
A magnitude 2.0 earthquake was recorded 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 → |
September 11, 2026 brought a magnitude 2.5 earthquake 104 km SSE of Old Harbor, Alaska, logged at 19:48 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 M2.5 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 → |
A magnitude 4.4 seismic event took place 21 km NNE of Wonosobo, Indonesia on September 11, 2026 at 19:43 UTC. 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 → |
Seismographs logged a magnitude 2.6 earthquake 121 km SSE of Old Harbor, Alaska with origin time 19:41 UTC on September 11, 2026. This event falls inside the aftershock decay of a nearby magnitude 3.2 earthquake that occurred about 1 hours earlier. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-11 2026-09-11 19:39:28 UTC | 2.1md | 1 km WNW of Magas Arriba, Puerto Rico 18.023°, -66.779° | 14.9 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.1 earthquake was recorded 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 → |
A magnitude 3.2 seismic event took place 103 km SSE of Old Harbor, Alaska on September 11, 2026 at 19:17 UTC. 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 → |
On September 11, 2026, worldwide seismic activity registered a magnitude 2.6 earthquake near Rat Islands, Aleutian Islands, Alaska 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 → |
Reports of a magnitude 3.3 earthquake 263 km SSE of Perryville, Alaska came in on September 11, 2026 at 19:14 UTC. 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 → |
At 19:12 UTC on September 11, 2026, a magnitude 2.6 tremor occurred 222 km WSW of Adak, Alaska. It arrived roughly 9 hours after a larger magnitude 2.9 mainshock in the same 20 km area, placing it within the typical aftershock window. 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 → |
At 19:02 UTC on September 11, 2026, a magnitude 2.4 tremor occurred 15 km NE of Milford, Utah. 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 | 158 km W of Merizo Village, Guam 12.997°, 143.235° | 197.0 km | - | - | - | ✓ Reviewed | USGS → |
September 11, 2026 brought a magnitude 4.4 earthquake 158 km W of Merizo Village, Guam, logged at 18:59 UTC. The event was offshore. 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 → |
Seismographs logged a magnitude 2.0 earthquake 102 km ENE of Chignik, Alaska with origin time 18:55 UTC on September 11, 2026. 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 18:53:32 UTC | 4.4mb | 132 km E of Noda, Japan 40.132°, 143.371° | 32.4 km | - | - | - | ✓ Reviewed | USGS → |
On September 11, 2026 at 18:53 UTC, a magnitude 4.4 earthquake struck 132 km E of Noda, Japan. The event was offshore. See the M4.4 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 → |
A magnitude 2.4 earthquake was recorded 78 km SSE of Adak, Alaska on September 11, 2026 at 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 18:36:06 UTC | 2.7ml | 253 km WSW of Adak, Alaska 51.266°, 179.845° | 17.2 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.7 event was detected 253 km WSW of Adak, Alaska on September 11, 2026, with origin time 18:36 UTC. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-11 2026-09-11 18:24:59 UTC | 3.1ml | 92 km SSW of Nikolski, Alaska 52.199°, -169.479° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
September 11, 2026 brought a magnitude 3.1 earthquake 92 km SSW of Nikolski, Alaska, logged at 18:24 UTC. See the M3.1 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.