Earthquakes on September 26, 2023
261
EARTHQUAKES on September 26, 2023
24-hour UTC period · USGS data
94 km deep · 6 people felt it
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
3
M4.0–4.9
30
M3.0–3.9
8
M2.0–2.9
44
M1.0–1.9
176
Activity Summary
261
Total earthquakes
~250
Daily average
Normal
Activity level
3
M5.0+ events
Geographic Breakdown
By US State
Significant Earthquakes (M4.5+)
5.9
234 km SE of Pondaguitan, Philippines
01:39 UTC · 94.0 km deep
Felt by 6
5.4
off the coast of Michoacan, Mexico
06:21 UTC · 10.0 km deep
5.2
south of the Fiji Islands
14:05 UTC · 530.5 km deep
4.8
10 km W of Niños Héroes, Mexico
17:40 UTC · 142.9 km deep
Felt by 2
4.8
29 km ESE of Inarajan Village, Guam
08:04 UTC · 49.1 km deep
Felt by 34
4.7
65 km E of La Tirana, Chile
09:11 UTC · 94.6 km deep
Felt by 5
4.6
Pagan region, Northern Mariana Islands
20:05 UTC · 57.2 km deep
4.6
46 km WNW of Kirakira, Solomon Islands
06:50 UTC · 87.6 km deep
Earthquake Map — September 26, 2023
All Earthquakes — September 26, 2023
Showing 30 of 85 (filtered from 261)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2023-09-26 2023-09-26 23:54:08 UTC | 4.4mb | south of the Fiji Islands -22.991°, -177.914° | 299.2 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.4 earthquake south of the Fiji Islands came in on September 26, 2023 at 23:54 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-26 2023-09-26 23:46:27 UTC | 3.2md | Puerto Rico region 19.029°, -65.953° | 12.0 km | 1 | - | - | ✓ Reviewed | USGS → |
September 26, 2023 brought a magnitude 3.2 earthquake in the Puerto Rico region, logged at 23:46 UTC. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-26 2023-09-26 23:29:26 UTC | 2.1ml | 18 km SSE of Swan Lake, Montana 47.778°, -113.744° | 3.1 km | - | - | - | ✓ Reviewed | USGS → |
On September 26, 2023, worldwide seismic activity registered a magnitude 2.1 earthquake 18 km SSE of Swan Lake, Montana at 23:29 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-26 2023-09-26 23:25:51 UTC | 2.4md | 6 km WSW of Gilroy, CA 36.975°, -121.629° | 4.4 km | 19 | - | - | ✓ Reviewed | USGS → |
A magnitude 2.4 seismic event took place 6 km WSW of Gilroy, CA on September 26, 2023 at 23:25 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. | ||||||||
2023-09-26 2023-09-26 23:24:29 UTC | 2.1ml(texnet) | 55 km S of Whites City, New Mexico 31.673°, -104.402° | 6.2 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.1 earthquake 55 km S of Whites City, New Mexico came in on September 26, 2023 at 23:24 UTC. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-26 2023-09-26 23:02:08 UTC | 3.3ml | 112 km SSW of Sand Point, Alaska 54.346°, -160.881° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 3.3 earthquake 112 km SSW of Sand Point, Alaska came in on September 26, 2023 at 23:02 UTC. See the M3.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-26 2023-09-26 22:55:07 UTC | 2.0ml | 46 km ENE of Ensenada, B.C., MX 32.035°, -116.175° | 15.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.0 earthquake 46 km ENE of Ensenada, B.C., MX at 22:55 UTC on September 26, 2023. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-26 2023-09-26 22:46:22 UTC | 2.4ml | 10 km NE of Coso Junction, CA 36.098°, -117.856° | 2.5 km | - | - | - | ✓ Reviewed | USGS → |
September 26, 2023 brought a magnitude 2.4 earthquake 10 km NE of Coso Junction, CA, logged at 22:46 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. | ||||||||
2023-09-26 2023-09-26 22:44:39 UTC | 3.4ml | 209 km W of Langlois, Oregon 43.204°, -126.999° | 10.0 km | 1 | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 3.4 earthquake 209 km W of Langlois, Oregon at 22:44 UTC on September 26, 2023. The event was offshore. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-26 2023-09-26 22:21:41 UTC | 4.5mwr | 42 km E of Namie, Japan 37.544°, 141.479° | 65.9 km | 2 | - | - | ✓ Reviewed | USGS → |
A magnitude 4.5 seismic event took place 42 km E of Namie, Japan on September 26, 2023 at 22:21 UTC. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-26 2023-09-26 22:20:04 UTC | 2.0md | 12 km NE of Big Pine, CA 37.251°, -118.211° | 11.4 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.0 earthquake 12 km NE of Big Pine, CA came in on September 26, 2023 at 22:20 UTC. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-26 2023-09-26 22:18:10 UTC | 4.5mb | South Sandwich Islands region -57.203°, -25.052° | 21.3 km | - | - | - | ✓ Reviewed | USGS → |
September 26, 2023 brought a magnitude 4.5 earthquake in the South Sandwich Islands region, logged at 22:18 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-26 2023-09-26 22:17:37 UTC | 4.5mb | 196 km NW of Tobelo, Indonesia 3.147°, 126.948° | 57.6 km | - | - | - | ✓ Reviewed | USGS → |
On September 26, 2023 at 22:17 UTC, a magnitude 4.5 earthquake struck 196 km NW of Tobelo, Indonesia. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-26 2023-09-26 22:17:34 UTC | 4.2mwr | 122 km W of Copiapó, Chile -27.369°, -71.570° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.2 earthquake 122 km W of Copiapó, Chile at 22:17 UTC on September 26, 2023. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-26 2023-09-26 22:08:00 UTC | 2.9md | 13 km SSE of Guánica, Puerto Rico 17.851°, -66.869° | 7.3 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.9 earthquake was recorded 13 km SSE of Guánica, Puerto Rico on September 26, 2023 at 22:08 UTC. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-26 2023-09-26 21:15:00 UTC | 2.1ml | 25 km SSE of Challis, Idaho 44.301°, -114.072° | 3.9 km | - | - | - | ✓ Reviewed | USGS → |
At 21:15 UTC on September 26, 2023, a magnitude 2.1 tremor occurred 25 km SSE of Challis, Idaho. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-26 2023-09-26 20:26:34 UTC | 2.1ml | 248 km WSW of Adak, Alaska 51.071°, -179.972° | 13.1 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.1 seismic event took place 248 km WSW of Adak, Alaska on September 26, 2023 at 20:26 UTC. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-26 2023-09-26 20:26:12 UTC | 4.0mb | 112 km WSW of Anadyr, Russia 64.418°, 175.282° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.0 earthquake was recorded 112 km WSW of Anadyr, Russia on September 26, 2023 at 20:26 UTC. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-26 2023-09-26 20:05:12 UTC | 4.6mb | Pagan region, Northern Mariana Islands 18.255°, 146.818° | 57.2 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.6 event was detected in the Pagan region, Northern Mariana Islands on September 26, 2023, with origin time 20:05 UTC. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-26 2023-09-26 19:56:13 UTC | 4.4mwr | 80 km WSW of Copiapó, Chile -27.560°, -71.117° | 53.6 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.4 seismic event took place 80 km WSW of Copiapó, Chile on September 26, 2023 at 19:56 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-26 2023-09-26 19:25:02 UTC | 4.5mb | 22 km WSW of Valdez, Ecuador 1.173°, -79.173° | 48.3 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.5 earthquake was recorded 22 km WSW of Valdez, Ecuador on September 26, 2023 at 19:25 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-26 2023-09-26 19:10:51 UTC | 2.6ml(texnet) | 53 km W of Mentone, Texas 31.706°, -104.165° | 6.5 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.6 seismic event took place 53 km W of Mentone, Texas on September 26, 2023 at 19:10 UTC. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-26 2023-09-26 18:40:03 UTC | 3.2ml | 28 km S of Willow Creek, CA 40.694°, -123.581° | 30.7 km | 6 | - | - | ✓ Reviewed | USGS → |
On September 26, 2023 at 18:40 UTC, a magnitude 3.2 earthquake struck 28 km S of Willow Creek, CA. The event was offshore. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-26 2023-09-26 18:36:35 UTC | 2.0ml | 37 km NW of Atka, Alaska 52.414°, -174.617° | 150.1 km | - | - | - | ✓ Reviewed | USGS → |
September 26, 2023 brought a magnitude 2.0 earthquake 37 km NW of Atka, Alaska, logged at 18:36 UTC. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-26 2023-09-26 17:40:52 UTC | 4.8mb | 10 km W of Niños Héroes, Mexico 17.440°, -94.597° | 142.9 km | 2 | - | - | ✓ Reviewed | USGS → |
On September 26, 2023, worldwide seismic activity registered a magnitude 4.8 earthquake 10 km W of Niños Héroes, Mexico at 17:40 UTC. The event was offshore. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-26 2023-09-26 17:25:07 UTC | 4.4mb | 36 km E of Tuapejat, Indonesia -2.065°, 99.911° | 40.2 km | - | - | - | ✓ Reviewed | USGS → |
September 26, 2023 brought a magnitude 4.4 earthquake 36 km E of Tuapejat, Indonesia, logged at 17:25 UTC. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-26 2023-09-26 17:12:25 UTC | 2.0ml(texnet) | 58 km SSW of Whites City, New Mexico 31.659°, -104.518° | 5.8 km | - | - | - | ✓ Reviewed | USGS → |
On September 26, 2023 at 17:12 UTC, a magnitude 2.0 earthquake struck 58 km SSW of Whites City, New Mexico. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-26 2023-09-26 16:31:51 UTC | 4.4mb | 114 km E of Port-Olry, Vanuatu -14.977°, 168.131° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On September 26, 2023 at 16:31 UTC, a magnitude 4.4 earthquake struck 114 km E of Port-Olry, Vanuatu. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-26 2023-09-26 16:26:19 UTC | 2.3ml | 100 km WSW of Nikolski, Alaska 52.532°, -170.181° | 61.5 km | - | - | - | ✓ Reviewed | USGS → |
On September 26, 2023 at 16:26 UTC, a magnitude 2.3 earthquake struck 100 km WSW of Nikolski, Alaska. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-26 2023-09-26 15:54:13 UTC | 4.5mb | 4 km W of Polkowice, Poland 51.501°, 16.004° | 5.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.5 earthquake 4 km W of Polkowice, Poland with origin time 15:54 UTC on September 26, 2023. 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 26, 2023. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.