Earthquakes on September 24, 2023
254
EARTHQUAKES on September 24, 2023
24-hour UTC period · USGS data
33 km deep
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
2
M4.0–4.9
29
M3.0–3.9
8
M2.0–2.9
52
M1.0–1.9
163
Activity Summary
254
Total earthquakes
~250
Daily average
Normal
Activity level
2
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
5.2
87 km SE of Sinabang, Indonesia
01:27 UTC · 33.3 km deep
5.0
172 km ENE of Atka, Alaska
15:01 UTC · 108.9 km deep
Felt by 1
4.8
149 km NNW of Sabang, Indonesia
16:34 UTC · 10.0 km deep
4.7
Fiji region
23:50 UTC · 609.9 km deep
4.6
71 km S of Pangai, Tonga
21:24 UTC · 35.0 km deep
4.6
138 km NNW of Sabang, Indonesia
21:01 UTC · 10.0 km deep
4.6
135 km E of Kokopo, Papua New Guinea
09:36 UTC · 108.1 km deep
4.5
Volcano Islands, Japan region
21:36 UTC · 35.0 km deep
Earthquake Map — September 24, 2023
All Earthquakes — September 24, 2023
Showing 30 of 91 (filtered from 254)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2023-09-24 2023-09-24 23:59:29 UTC | 2.7mb_lg | 1 km N of Charlemagne, Canada 45.730°, -73.485° | 5.2 km | 10 | - | - | ✓ Reviewed | USGS → |
At 23:59 UTC on September 24, 2023, a magnitude 2.7 tremor occurred 1 km N of Charlemagne, Canada. The event was offshore. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-24 2023-09-24 23:50:39 UTC | 4.7mb | Fiji region -14.461°, 173.571° | 609.9 km | - | - | - | ✓ Reviewed | USGS → |
On September 24, 2023, worldwide seismic activity registered a magnitude 4.7 earthquake in the Fiji region at 23:50 UTC. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-24 2023-09-24 23:44:57 UTC | 2.0ml | 81 km SE of Akutan, Alaska 53.596°, -164.945° | 48.3 km | - | - | - | ✓ Reviewed | USGS → |
On September 24, 2023 at 23:44 UTC, a magnitude 2.0 earthquake struck 81 km SE of Akutan, Alaska. Coming 3 hours after a magnitude 2.8 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-24 2023-09-24 23:44:17 UTC | 2.1ml | 44 km N of Chickaloon, Alaska 62.191°, -148.400° | 34.7 km | - | - | - | ✓ Reviewed | USGS → |
On September 24, 2023, worldwide seismic activity registered a magnitude 2.1 earthquake 44 km N of Chickaloon, Alaska at 23:44 UTC. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-24 2023-09-24 23:23:41 UTC | 4.4mb | 166 km WSW of Abepura, Indonesia -2.975°, 139.186° | 45.1 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.4 earthquake 166 km WSW of Abepura, Indonesia with origin time 23:23 UTC on September 24, 2023. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-24 2023-09-24 23:21:20 UTC | 2.0ml | 118 km S of Unalaska, Alaska 52.816°, -166.771° | 0.7 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.0 earthquake was recorded 118 km S of Unalaska, Alaska on September 24, 2023 at 23:21 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. | ||||||||
2023-09-24 2023-09-24 23:18:51 UTC | 2.0ml | 115 km WSW of Elfin Cove, Alaska 58.007°, -138.266° | 5.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.0 earthquake 115 km WSW of Elfin Cove, Alaska with origin time 23:18 UTC on September 24, 2023. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-24 2023-09-24 22:31:31 UTC | 2.1ml | 22 km SE of Perryville, Alaska 55.786°, -158.873° | 56.1 km | - | - | - | ✓ Reviewed | USGS → |
At 22:31 UTC on September 24, 2023, a magnitude 2.1 tremor occurred 22 km SE of Perryville, Alaska. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-24 2023-09-24 21:44:19 UTC | 4.3mb | 80 km ENE of Masamba, Indonesia -2.334°, 121.015° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.3 seismic event took place 80 km ENE of Masamba, Indonesia on September 24, 2023 at 21:44 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-24 2023-09-24 21:36:36 UTC | 4.5mb | Volcano Islands, Japan region 25.507°, 142.245° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.5 earthquake in the Volcano Islands, Japan region came in on September 24, 2023 at 21:36 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-24 2023-09-24 21:29:55 UTC | 2.2ml | 75 km ESE of Denali Park, Alaska 63.579°, -147.433° | 1.1 km | - | - | - | ✓ Reviewed | USGS → |
On September 24, 2023 at 21:29 UTC, a magnitude 2.2 earthquake struck 75 km ESE of Denali Park, Alaska. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-24 2023-09-24 21:24:57 UTC | 4.6mb | 71 km S of Pangai, Tonga -20.458°, -174.282° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
At 21:24 UTC on September 24, 2023, a magnitude 4.6 tremor occurred 71 km S of Pangai, Tonga. The event was offshore. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-24 2023-09-24 21:19:57 UTC | 3.7md | 36 km SSE of Boca de Yuma, Dominican Republic 18.100°, -68.424° | 76.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 3.7 earthquake 36 km SSE of Boca de Yuma, Dominican Republic with origin time 21:19 UTC on September 24, 2023. See the M3.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-24 2023-09-24 21:01:37 UTC | 4.6mb | 138 km NNW of Sabang, Indonesia 6.937°, 94.621° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.6 earthquake 138 km NNW of Sabang, Indonesia at 21:01 UTC on September 24, 2023. Coming 4 hours after a magnitude 4.8 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-24 2023-09-24 20:50:13 UTC | 2.8ml | 89 km SE of Akutan, Alaska 53.596°, -164.761° | 24.2 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.8 earthquake was recorded 89 km SE of Akutan, Alaska on September 24, 2023 at 20:50 UTC. The event was offshore. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-24 2023-09-24 20:49:29 UTC | 2.2md | 3 km SW of Guánica, Puerto Rico 17.948°, -66.930° | 17.1 km | - | - | - | ✓ Reviewed | USGS → |
September 24, 2023 brought a magnitude 2.2 earthquake 3 km SW of Guánica, Puerto Rico, logged at 20:49 UTC. It arrived roughly 9 hours after a larger magnitude 2.7 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. | ||||||||
2023-09-24 2023-09-24 20:48:02 UTC | 2.3md | 2 km WSW of Guánica, Puerto Rico 17.958°, -66.930° | 16.2 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.3 event was detected 2 km WSW of Guánica, Puerto Rico on September 24, 2023, with origin time 20:48 UTC. It arrived roughly 8 hours after a larger magnitude 2.7 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. | ||||||||
2023-09-24 2023-09-24 20:43:27 UTC | 4.3mb | Fiji region -19.716°, -178.021° | 598.3 km | - | - | - | ✓ Reviewed | USGS → |
September 24, 2023 brought a magnitude 4.3 earthquake in the Fiji region, logged at 20:43 UTC. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-24 2023-09-24 20:41:56 UTC | 2.5ml | 267 km ESE of Chiniak, Alaska 56.417°, -148.456° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 20:41 UTC on September 24, 2023, a magnitude 2.5 tremor occurred 267 km ESE of Chiniak, Alaska. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-24 2023-09-24 20:39:07 UTC | 2.3ml | 15 km ENE of Falls City, Texas 29.043°, -97.876° | 7.2 km | - | - | - | ✓ Reviewed | USGS → |
On September 24, 2023 at 20:39 UTC, a magnitude 2.3 earthquake struck 15 km ENE of Falls City, Texas. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-24 2023-09-24 20:17:22 UTC | 3.1ml | 15 km ESE of Wright, Wyoming 43.700°, -105.310° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 3.1 earthquake 15 km ESE of Wright, Wyoming came in on September 24, 2023 at 20:17 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-24 2023-09-24 19:56:52 UTC | 2.2ml | 72 km SE of Denali National Park, Alaska 63.182°, -150.527° | 114.5 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.2 earthquake was recorded 72 km SE of Denali National Park, Alaska on September 24, 2023 at 19:56 UTC. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-24 2023-09-24 18:50:18 UTC | 2.0ml | 34 km WSW of Womens Bay, Alaska 57.526°, -153.174° | 39.3 km | - | - | - | ✓ Reviewed | USGS → |
On September 24, 2023, worldwide seismic activity registered a magnitude 2.0 earthquake 34 km WSW of Womens Bay, Alaska at 18:50 UTC. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-24 2023-09-24 18:20:14 UTC | 3.9mb | 282 km W of Adak, Alaska 51.540°, 179.318° | 71.0 km | - | II | - | ✓ Reviewed | USGS → |
A magnitude 3.9 earthquake was recorded 282 km W of Adak, Alaska on September 24, 2023 at 18:20 UTC. The event was offshore. See the M3.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-24 2023-09-24 18:17:02 UTC | 2.1ml | 59 km SSE of Unalaska, Alaska 53.426°, -166.054° | 41.5 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.1 earthquake 59 km SSE of Unalaska, Alaska at 18:17 UTC on September 24, 2023. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-24 2023-09-24 17:58:31 UTC | 4.5mb | 257 km WNW of Houma, Tonga -20.043°, -177.468° | 527.3 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.5 seismic event took place 257 km WNW of Houma, Tonga on September 24, 2023 at 17:58 UTC. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-24 2023-09-24 17:56:04 UTC | 2.0ml(texnet) | 8 km NE of Hermleigh, Texas 32.685°, -100.685° | 6.9 km | - | - | - | ✓ Reviewed | USGS → |
At 17:56 UTC on September 24, 2023, a magnitude 2.0 tremor occurred 8 km NE of Hermleigh, Texas. It arrived roughly 9 hours after a larger magnitude 2.8 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-24 2023-09-24 17:43:17 UTC | 2.5md | 2 km SSE of Maria Antonia, Puerto Rico 17.959°, -66.878° | 10.3 km | - | - | - | ✓ Reviewed | USGS → |
On September 24, 2023, worldwide seismic activity registered a magnitude 2.5 earthquake 2 km SSE of Maria Antonia, Puerto Rico at 17:43 UTC. Coming 5 hours after a magnitude 2.7 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. | ||||||||
2023-09-24 2023-09-24 17:41:23 UTC | 2.2ml | 54 km S of Sand Point, Alaska 54.854°, -160.352° | 25.6 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.2 earthquake 54 km S of Sand Point, Alaska with origin time 17:41 UTC on September 24, 2023. It arrived roughly 14 hours after a larger magnitude 2.7 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. | ||||||||
2023-09-24 2023-09-24 17:39:03 UTC | 4.3mb | 78 km SW of Ashkāsham, Afghanistan 36.151°, 70.950° | 98.1 km | - | - | - | ✓ Reviewed | USGS → |
On September 24, 2023 at 17:39 UTC, a magnitude 4.3 earthquake struck 78 km SW of Ashkāsham, Afghanistan. The event was offshore. See the M4.3 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 24, 2023. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.