Earthquakes on October 12, 2023
246
EARTHQUAKES on October 12, 2023
24-hour UTC period · USGS data
LARGEST: M5.6 — 164 km W of Nikolski, Alaska
120 km deep · 3 people felt it
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
4
M4.0–4.9
36
M3.0–3.9
11
M2.0–2.9
51
M1.0–1.9
144
Activity Summary
246
Total earthquakes
~250
Daily average
Normal
Activity level
4
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
5.6
164 km W of Nikolski, Alaska
02:41 UTC · 119.5 km deep
Felt by 3
5.2
174 km NE of Tual, Indonesia
06:18 UTC · 10.0 km deep
5.1
120 km SSE of Kuril’sk, Russia
22:33 UTC · 40.3 km deep
5.1
53 km SSW of Panguna, Papua New Guinea
10:34 UTC · 36.9 km deep
Felt by 1
4.9
73 km SSW of Waingapu, Indonesia
09:29 UTC · 10.0 km deep
4.9
220 km E of Levuka, Fiji
05:00 UTC · 551.0 km deep
4.7
57 km SE of Wainui, New Zealand
13:40 UTC · 10.0 km deep
Felt by 3
4.7
31 km NE of Kaohsiung, Taiwan
12:16 UTC · 17.1 km deep
Felt by 2
Earthquake Map — October 12, 2023
All Earthquakes — October 12, 2023
Showing 30 of 102 (filtered from 246)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2023-10-12 2023-10-12 23:54:40 UTC | 4.5mb | 45 km NNW of Asan-Maina Village, Guam 13.848°, 144.554° | 151.2 km | - | - | - | ✓ Reviewed | USGS → |
On October 12, 2023, worldwide seismic activity registered a magnitude 4.5 earthquake 45 km NNW of Asan-Maina Village, Guam at 23:54 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-12 2023-10-12 23:31:11 UTC | 3.5ml | 107 km SW of Adak, Alaska 51.229°, -177.791° | 43.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 3.5 earthquake 107 km SW of Adak, Alaska with origin time 23:31 UTC on October 12, 2023. The event was offshore. See the M3.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-12 2023-10-12 22:54:43 UTC | 4.5mb | 87 km SE of Lata, Solomon Islands -11.357°, 166.276° | 102.2 km | - | - | - | ✓ Reviewed | USGS → |
At 22:54 UTC on October 12, 2023, a magnitude 4.5 tremor occurred 87 km SE of Lata, Solomon Islands. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-12 2023-10-12 22:35:22 UTC | 4.6mb | 19 km SE of Taquile, Peru -15.895°, -69.557° | 254.3 km | - | - | - | ✓ Reviewed | USGS → |
On October 12, 2023 at 22:35 UTC, a magnitude 4.6 earthquake struck 19 km SE of Taquile, Peru. The event was offshore. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-12 2023-10-12 22:34:18 UTC | 2.0md | 19 km WNW of New Idria, CA 36.471°, -120.879° | 15.7 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.0 earthquake 19 km WNW of New Idria, CA at 22:34 UTC on October 12, 2023. Coming 1 hours after a magnitude 3.0 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. | ||||||||
2023-10-12 2023-10-12 22:33:39 UTC | 5.1mww | 120 km SSE of Kuril’sk, Russia 44.241°, 148.510° | 40.3 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 5.1 earthquake 120 km SSE of Kuril’sk, Russia with origin time 22:33 UTC on October 12, 2023. See the M5.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-12 2023-10-12 22:15:24 UTC | 2.2md | 4 km ESE of Round Mountain, CA 40.791°, -121.891° | 10.1 km | - | - | - | ✓ Reviewed | USGS → |
On October 12, 2023 at 22:15 UTC, a magnitude 2.2 earthquake struck 4 km ESE of Round Mountain, CA. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-12 2023-10-12 22:02:53 UTC | 4.4mb | western Indian-Antarctic Ridge -49.259°, 125.257° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.4 earthquake near western Indian-Antarctic Ridge with origin time 22:02 UTC on October 12, 2023. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-12 2023-10-12 21:46:39 UTC | 4.3mb | Banda Sea -6.631°, 129.025° | 216.6 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.3 earthquake near Banda Sea came in on October 12, 2023 at 21:46 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-12 2023-10-12 21:46:36 UTC | 2.5md | 19 km WNW of New Idria, CA 36.471°, -120.878° | 18.1 km | 2 | - | - | ✓ Reviewed | USGS → |
On October 12, 2023 at 21:46 UTC, a magnitude 2.5 earthquake struck 19 km WNW of New Idria, CA. It arrived roughly 1 hours after a larger magnitude 3.0 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. | ||||||||
2023-10-12 2023-10-12 21:41:21 UTC | 3.0ml | 19 km WNW of New Idria, CA 36.466°, -120.881° | 17.2 km | 3 | - | - | ✓ Reviewed | USGS → |
On October 12, 2023 at 21:41 UTC, a magnitude 3.0 earthquake struck 19 km WNW of New Idria, CA. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-12 2023-10-12 21:04:24 UTC | 4.1mb | 38 km WNW of Turt, Mongolia 51.660°, 100.162° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.1 earthquake 38 km WNW of Turt, Mongolia at 21:04 UTC on October 12, 2023. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-12 2023-10-12 20:55:30 UTC | 2.3md | 7 km S of Guánica, Puerto Rico 17.902°, -66.920° | 14.3 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.3 earthquake 7 km S of Guánica, Puerto Rico with origin time 20:55 UTC on October 12, 2023. It arrived roughly 14 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 M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-12 2023-10-12 20:47:15 UTC | 2.2md | 2 km NW of Yauco, Puerto Rico 18.049°, -66.871° | 3.9 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.2 seismic event took place 2 km NW of Yauco, Puerto Rico on October 12, 2023 at 20:47 UTC. It arrived roughly 14 hours after a larger magnitude 2.6 mainshock in the same 20 km area, placing it within the typical aftershock window. 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. | ||||||||
2023-10-12 2023-10-12 20:31:45 UTC | 2.3ml | 25 km ESE of Chignik, Alaska 56.168°, -158.054° | 63.8 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.3 earthquake 25 km ESE of Chignik, Alaska at 20:31 UTC on October 12, 2023. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-12 2023-10-12 20:22:09 UTC | 2.2ml(texnet) | 10 km S of Jacksboro, Texas 33.123°, -98.171° | 3.9 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.2 earthquake was recorded 10 km S of Jacksboro, Texas on October 12, 2023 at 20:22 UTC. 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. | ||||||||
2023-10-12 2023-10-12 20:06:44 UTC | 4.4mb | 43 km NE of Dipayal, Nepal 29.572°, 81.213° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On October 12, 2023, worldwide seismic activity registered a magnitude 4.4 earthquake 43 km NE of Dipayal, Nepal at 20:06 UTC. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-12 2023-10-12 20:06:27 UTC | 2.9ml | 18 km NNE of Maeser, Utah 40.617°, -109.478° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.9 earthquake was recorded 18 km NNE of Maeser, Utah on October 12, 2023 at 20:06 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-12 2023-10-12 20:05:53 UTC | 2.1ml | 73 km SE of Ugashik, Alaska 57.138°, -156.397° | 82.7 km | - | - | - | ✓ Reviewed | USGS → |
October 12, 2023 brought a magnitude 2.1 earthquake 73 km SE of Ugashik, Alaska, logged at 20:05 UTC. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-12 2023-10-12 20:00:40 UTC | 4.5mwr | 13 km NNE of La Libertad, Honduras 14.867°, -87.553° | 10.0 km | 8 | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.5 earthquake 13 km NNE of La Libertad, Honduras at 20:00 UTC on October 12, 2023. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-12 2023-10-12 20:00:30 UTC | 2.4ml | 23 km SW of Mina, Nevada 38.226°, -118.282° | 8.2 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.4 earthquake 23 km SW of Mina, Nevada at 20:00 UTC on October 12, 2023. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-12 2023-10-12 19:46:32 UTC | 2.4ml | 12 km W of Stanley, Idaho 44.229°, -115.100° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.4 event was detected 12 km W of Stanley, Idaho on October 12, 2023, with origin time 19:46 UTC. It arrived roughly 1 hours after a larger magnitude 2.9 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-12 2023-10-12 19:30:22 UTC | 2.9ml | 11 km W of Stanley, Idaho 44.233°, -115.085° | 5.6 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.9 earthquake 11 km W of Stanley, Idaho with origin time 19:30 UTC on October 12, 2023. The event was offshore. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-12 2023-10-12 19:15:02 UTC | 2.2ml | 9 km E of Kingfisher, Oklahoma 35.849°, -97.822° | 5.5 km | 1 | - | - | ✓ Reviewed | USGS → |
October 12, 2023 brought a magnitude 2.2 earthquake 9 km E of Kingfisher, Oklahoma, logged at 19:15 UTC. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-12 2023-10-12 19:02:57 UTC | 2.4ml | Southern Alaska 60.733°, -152.088° | 83.6 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.4 earthquake near Southern Alaska came in on October 12, 2023 at 19:02 UTC. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-12 2023-10-12 19:00:44 UTC | 4.6mb | Galapagos Triple Junction region 1.924°, -102.095° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.6 earthquake was recorded in the Galapagos Triple Junction region on October 12, 2023 at 19:00 UTC. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-12 2023-10-12 18:59:03 UTC | 2.0md | 3 km W of Pāhala, Hawaii 19.203°, -155.507° | 35.7 km | - | - | - | Auto | USGS → |
This magnitude 2.0 event was detected 3 km W of Pāhala, Hawaii on October 12, 2023, with origin time 18:59 UTC. It arrived roughly 14 hours after a larger magnitude 2.9 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. | ||||||||
2023-10-12 2023-10-12 18:30:23 UTC | 2.2ml | 86 km SSE of Kokhanok, Alaska 58.724°, -154.211° | 4.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.2 earthquake 86 km SSE of Kokhanok, Alaska with origin time 18:30 UTC on October 12, 2023. 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. | ||||||||
2023-10-12 2023-10-12 17:57:39 UTC | 3.1ml | 13 km ENE of Wright, Wyoming 43.811°, -105.353° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.1 seismic event took place 13 km ENE of Wright, Wyoming on October 12, 2023 at 17:57 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. | ||||||||
2023-10-12 2023-10-12 17:47:42 UTC | 4.0mb | Izu Islands, Japan region 30.189°, 139.734° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
October 12, 2023 brought a magnitude 4.0 earthquake in the Izu Islands, Japan region, logged at 17:47 UTC. See the M4.0 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 October 12, 2023. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.