Earthquakes on September 2, 2023
235
EARTHQUAKES on September 2, 2023
24-hour UTC period · USGS data
151 km deep
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
1
M4.0–4.9
24
M3.0–3.9
8
M2.0–2.9
68
M1.0–1.9
134
Activity Summary
235
Total earthquakes
~250
Daily average
Normal
Activity level
1
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
5.3
39 km ENE of San Fernando, Peru
11:11 UTC · 150.8 km deep
4.9
22 km SE of San Juan, Peru
14:11 UTC · 39.5 km deep
4.9
66 km SE of Honiara, Solomon Islands
06:56 UTC · 10.0 km deep
4.8
28 km NE of Kīsh, Iran
01:55 UTC · 16.0 km deep
Felt by 2
4.7
south of the Fiji Islands
14:26 UTC · 466.0 km deep
4.6
12 km NW of Kushiro, Japan
15:03 UTC · 100.0 km deep
4.6
55 km NW of Finschhafen, Papua New Guinea
02:08 UTC · 67.7 km deep
4.5
south of the Fiji Islands
20:34 UTC · 396.4 km deep
Earthquake Map — September 2, 2023

All Earthquakes — September 2, 2023
Showing 30 of 101 (filtered from 235)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2023-09-02 2023-09-02 23:52:06 UTC | 2.1ml | Southern Alaska 59.808°, -152.935° | 104.4 km | - | - | - | ✓ Reviewed | USGS → |
At 23:52 UTC on September 2, 2023, a magnitude 2.1 tremor occurred near Southern Alaska. It arrived roughly 11 hours after a larger magnitude 2.3 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-02 2023-09-02 23:00:45 UTC | 2.6md | 1 km E of Magas Arriba, Puerto Rico 18.016°, -66.758° | 11.9 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.6 earthquake was recorded 1 km E of Magas Arriba, Puerto Rico on September 2, 2023 at 23:00 UTC. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-02 2023-09-02 22:43:32 UTC | 2.9md | 1 km WSW of Coquí, Puerto Rico 17.966°, -66.241° | 15.3 km | - | - | - | ✓ Reviewed | USGS → |
On September 2, 2023, worldwide seismic activity registered a magnitude 2.9 earthquake 1 km WSW of Coquí, Puerto Rico at 22:43 UTC. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-02 2023-09-02 22:41:36 UTC | 2.2md | 1 km SW of Gu?nica, Puerto Rico 17.960°, -66.917° | 14.6 km | - | - | - | ✓ Reviewed | USGS → |
September 2, 2023 brought a magnitude 2.2 earthquake 1 km SW of Gu?nica, Puerto Rico, logged at 22:41 UTC. It arrived roughly 20 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 M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-02 2023-09-02 22:34:38 UTC | 4.0mb | 48 km WSW of Ashkāsham, Afghanistan 36.444°, 71.082° | 244.5 km | - | - | - | ✓ Reviewed | USGS → |
On September 2, 2023, worldwide seismic activity registered a magnitude 4.0 earthquake 48 km WSW of Ashkāsham, Afghanistan at 22:34 UTC. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-02 2023-09-02 22:10:47 UTC | 2.9ml | 98 km S of Nikolski, Alaska 52.062°, -168.720° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 22:10 UTC on September 2, 2023, a magnitude 2.9 tremor occurred 98 km S of Nikolski, Alaska. The event was offshore. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-02 2023-09-02 21:56:27 UTC | 2.0md | Island of Hawaii, Hawaii 19.228°, -155.379° | 32.7 km | - | - | - | Auto | USGS → |
This magnitude 2.0 event was detected near Island of Hawaii, Hawaii on September 2, 2023, with origin time 21:56 UTC. It arrived roughly 1 hours after a larger magnitude 2.7 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-02 2023-09-02 20:52:35 UTC | 2.7md | 5 km WSW of Liborio Negron Torres, Puerto Rico 18.024°, -66.987° | 7.8 km | - | - | - | ✓ Reviewed | USGS → |
On September 2, 2023 at 20:52 UTC, a magnitude 2.7 earthquake struck 5 km WSW of Liborio Negron Torres, Puerto Rico. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-02 2023-09-02 20:44:13 UTC | 2.7ml | 12 km ESE of Pāhala, Hawaii 19.175°, -155.366° | 3.9 km | - | - | - | Auto | USGS → |
This magnitude 2.7 event was detected 12 km ESE of Pāhala, Hawaii on September 2, 2023, with origin time 20:44 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.7 earthquake that occurred about 1 hours earlier. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-02 2023-09-02 20:44:07 UTC | 2.7ml | 9 km ENE of Pāhala, Hawaii 19.231°, -155.392° | 33.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.7 earthquake was recorded 9 km ENE of Pāhala, Hawaii on September 2, 2023 at 20:44 UTC. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-02 2023-09-02 20:43:08 UTC | 3.3ml | 65 km SSE of Adak, Alaska 51.325°, -176.308° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
On September 2, 2023 at 20:43 UTC, a magnitude 3.3 earthquake struck 65 km SSE of Adak, Alaska. See the M3.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-02 2023-09-02 20:34:38 UTC | 4.5mb | south of the Fiji Islands -24.421°, -178.846° | 396.4 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.5 earthquake south of the Fiji Islands came in on September 2, 2023 at 20:34 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. | ||||||||
2023-09-02 2023-09-02 20:28:19 UTC | 4.4mb | 83 km SW of Atocha, Bolivia -21.511°, -66.745° | 211.5 km | - | - | - | ✓ Reviewed | USGS → |
On September 2, 2023 at 20:28 UTC, a magnitude 4.4 earthquake struck 83 km SW of Atocha, Bolivia. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-02 2023-09-02 20:21:54 UTC | 2.7ml | 33 km SE of Malaga, New Mexico 32.004°, -103.830° | 6.6 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.7 earthquake 33 km SE of Malaga, New Mexico with origin time 20:21 UTC on September 2, 2023. The event was offshore. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-02 2023-09-02 20:14:23 UTC | 2.0ml | 64 km SSW of Whites City, New Mexico 31.602°, -104.515° | 7.1 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.0 seismic event took place 64 km SSW of Whites City, New Mexico on September 2, 2023 at 20:14 UTC. Coming 16 hours after a magnitude 3.4 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-02 2023-09-02 20:12:12 UTC | 2.4ml | 21 km NW of Toyah, Texas 31.476°, -103.923° | 4.4 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.4 earthquake 21 km NW of Toyah, Texas at 20:12 UTC on September 2, 2023. This event falls inside the aftershock decay of a nearby magnitude 2.7 earthquake that occurred about 14 hours earlier. 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. | ||||||||
2023-09-02 2023-09-02 20:03:08 UTC | 4.3mb | 263 km N of Agats, Indonesia -3.173°, 137.894° | 57.5 km | - | - | - | ✓ Reviewed | USGS → |
On September 2, 2023, worldwide seismic activity registered a magnitude 4.3 earthquake 263 km N of Agats, Indonesia at 20:03 UTC. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-02 2023-09-02 20:02:22 UTC | 2.2ml | 26 km NNE of Susitna North, Alaska 62.366°, -149.591° | 55.7 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.2 earthquake was recorded 26 km NNE of Susitna North, Alaska on September 2, 2023 at 20:02 UTC. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-02 2023-09-02 19:49:45 UTC | 2.4md | Puerto Rico region 17.998°, -66.927° | 13.4 km | - | - | - | ✓ Reviewed | USGS → |
At 19:49 UTC on September 2, 2023, a magnitude 2.4 tremor occurred in the Puerto Rico region. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-02 2023-09-02 19:05:47 UTC | 4.3mb | Fiji region -19.264°, -177.913° | 597.8 km | - | - | - | ✓ Reviewed | USGS → |
At 19:05 UTC on September 2, 2023, a magnitude 4.3 tremor occurred in the Fiji region. This is the deepest earthquake in the current dataset — a deep-focus event. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-02 2023-09-02 18:58:53 UTC | 4.3mb | 140 km SW of Palimbang, Philippines 5.201°, 123.420° | 572.3 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.3 earthquake 140 km SW of Palimbang, Philippines at 18:58 UTC on September 2, 2023. 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. | ||||||||
2023-09-02 2023-09-02 18:52:04 UTC | 2.0ml | 9 km SSW of Volcano, Hawaii 19.369°, -155.284° | 1.7 km | - | - | - | ✓ Reviewed | USGS → |
At 18:52 UTC on September 2, 2023, a magnitude 2.0 tremor occurred 9 km SSW of Volcano, Hawaii. This event falls inside the aftershock decay of a nearby magnitude 2.6 earthquake that occurred about 16 hours earlier. 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. | ||||||||
2023-09-02 2023-09-02 18:10:00 UTC | 2.9mh | 2 km SSE of Avenal, CA 35.991°, -120.122° | 12.9 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.9 earthquake 2 km SSE of Avenal, CA at 18:10 UTC on September 2, 2023. In the 72 hours after this event, the USGS recorded 3 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-02 2023-09-02 18:09:50 UTC | 2.1ml | Puget Sound region, Washington 47.681°, -122.284° | 29.3 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.1 earthquake in the Puget Sound region, Washington with origin time 18:09 UTC on September 2, 2023. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-02 2023-09-02 18:03:12 UTC | 3.6ml | 17 km E of Wright, Wyoming 43.731°, -105.278° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 3.6 earthquake 17 km E of Wright, Wyoming came in on September 2, 2023 at 18:03 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M3.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-02 2023-09-02 17:49:34 UTC | 2.4ml | 33 km SE of Malaga, New Mexico 32.003°, -103.825° | 7.9 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.4 event was detected 33 km SE of Malaga, New Mexico on September 2, 2023, with origin time 17:49 UTC. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-02 2023-09-02 17:12:18 UTC | 2.8ml | 69 km SE of Akutan, Alaska 53.671°, -165.060° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.8 event was detected 69 km SE of Akutan, Alaska on September 2, 2023, with origin time 17:12 UTC. The event was offshore. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-02 2023-09-02 17:06:56 UTC | 2.1ml | 88 km ESE of Akutan, Alaska 53.945°, -164.456° | 41.1 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.1 earthquake 88 km ESE of Akutan, Alaska at 17:06 UTC on September 2, 2023. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-02 2023-09-02 16:36:36 UTC | 2.3md | 10 km E of Pāhala, Hawaii 19.209°, -155.376° | 29.1 km | - | - | - | Auto | USGS → |
Seismographs logged a magnitude 2.3 earthquake 10 km E of Pāhala, Hawaii with origin time 16:36 UTC on September 2, 2023. Coming 14 hours after a magnitude 2.6 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-02 2023-09-02 16:21:34 UTC | 2.1ml | 44 km E of Adak, Alaska 51.849°, -175.988° | 70.2 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.1 event was detected 44 km E of Adak, Alaska on September 2, 2023, with origin time 16:21 UTC. The event was offshore. See the M2.1 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 2, 2023. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.