Earthquakes on October 23, 2025
153
EARTHQUAKES on October 23, 2025
24-hour UTC period · USGS data
LARGEST: M5.6 — 213 km WSW of Tual, Indonesia
85 km deep · 1 person felt it
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
5
M4.0–4.9
22
M3.0–3.9
4
M2.0–2.9
31
M1.0–1.9
91
Activity Summary
153
Total earthquakes
~250
Daily average
Normal
Activity level
5
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
5.6
213 km WSW of Tual, Indonesia
11:46 UTC · 85.0 km deep
Felt by 1
5.6
183 km SSE of Vilyuchinsk, Russia
02:31 UTC · 16.0 km deep
5.2
88 km WNW of Kirakira, Solomon Islands
05:20 UTC · 71.4 km deep
Felt by 2
5.2
51 km E of Finschhafen, Papua New Guinea
04:07 UTC · 61.8 km deep
Felt by 2
5.0
Falkland Islands region
14:25 UTC · 10.0 km deep
4.8
79 km SW of Pagar Alam, Indonesia
10:37 UTC · 65.9 km deep
4.7
231 km ESE of Petropavlovsk-Kamchatsky, Russia
23:07 UTC · 10.0 km deep
4.7
120 km ESE of Pondaguitan, Philippines
22:14 UTC · 30.3 km deep
Earthquake Map — October 23, 2025
All Earthquakes — October 23, 2025
Showing 30 of 62 (filtered from 153)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2025-10-23 2025-10-23 23:46:11 UTC | 2.0md | 7 km SSE of Guánica, Puerto Rico 17.907°, -66.885° | 14.5 km | - | - | - | ✓ Reviewed | USGS → |
On October 23, 2025 at 23:46 UTC, a magnitude 2.0 earthquake struck 7 km SSE of Guánica, Puerto Rico. It arrived roughly 19 hours after a larger magnitude 2.9 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. | ||||||||
2025-10-23 2025-10-23 23:45:00 UTC | 2.6md | 1 km ESE of Woodside, CA 37.427°, -122.245° | 5.2 km | 262 | - | - | Auto | USGS → |
This magnitude 2.6 event was detected 1 km ESE of Woodside, CA on October 23, 2025, with origin time 23:45 UTC. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-10-23 2025-10-23 23:37:42 UTC | 2.2md | 1 km E of Woodside, CA 37.431°, -122.244° | 4.2 km | 6 | - | - | Auto | USGS → |
A magnitude 2.2 seismic event took place 1 km E of Woodside, CA on October 23, 2025 at 23:37 UTC. It arrived roughly 1 hours after a larger magnitude 2.5 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. | ||||||||
2025-10-23 2025-10-23 23:27:41 UTC | 2.5md | 1 km E of Woodside, CA 37.431°, -122.240° | 4.3 km | 69 | - | - | Auto | USGS → |
On October 23, 2025 at 23:27 UTC, a magnitude 2.5 earthquake struck 1 km E of Woodside, CA. 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 M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-10-23 2025-10-23 23:07:17 UTC | 4.7mb | 231 km ESE of Petropavlovsk-Kamchatsky, Russia 51.968°, 161.524° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.7 event was detected 231 km ESE of Petropavlovsk-Kamchatsky, Russia on October 23, 2025, with origin time 23:07 UTC. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-10-23 2025-10-23 22:36:38 UTC | 2.5md | 7 km NNW of Lafayette, CA 37.945°, -122.151° | 15.6 km | 3 | - | - | Auto | USGS → |
October 23, 2025 brought a magnitude 2.5 earthquake 7 km NNW of Lafayette, CA, logged at 22:36 UTC. It arrived roughly 1 hours after a larger magnitude 2.8 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. | ||||||||
2025-10-23 2025-10-23 22:36:29 UTC | 2.8md | 8 km NNW of Lafayette, CA 37.946°, -122.158° | 14.1 km | 14 | - | - | Auto | USGS → |
On October 23, 2025, worldwide seismic activity registered a magnitude 2.8 earthquake 8 km NNW of Lafayette, CA at 22:36 UTC. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-10-23 2025-10-23 22:34:47 UTC | 2.2md | 1 km E of Woodside, CA 37.431°, -122.242° | 4.1 km | 7 | - | - | Auto | USGS → |
On October 23, 2025, worldwide seismic activity registered a magnitude 2.2 earthquake 1 km E of Woodside, CA at 22:34 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. | ||||||||
2025-10-23 2025-10-23 22:32:45 UTC | 2.0md | 1 km E of Woodside, CA 37.429°, -122.242° | 4.1 km | - | - | - | Auto | USGS → |
A magnitude 2.0 seismic event took place 1 km E of Woodside, CA on October 23, 2025 at 22:32 UTC. 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 M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-10-23 2025-10-23 22:14:25 UTC | 4.7mb | 120 km ESE of Pondaguitan, Philippines 5.872°, 127.153° | 30.3 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.7 earthquake 120 km ESE of Pondaguitan, Philippines came in on October 23, 2025 at 22:14 UTC. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-10-23 2025-10-23 22:01:37 UTC | 2.2md | 10 km WNW of Philadelphia, Tennessee 35.725°, -84.510° | 15.1 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.2 earthquake 10 km WNW of Philadelphia, Tennessee with origin time 22:01 UTC on October 23, 2025. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-10-23 2025-10-23 21:44:02 UTC | 2.2ml | 60 km ESE of Pedro Bay, Alaska 59.633°, -153.080° | 102.9 km | - | - | - | Auto | USGS → |
October 23, 2025 brought a magnitude 2.2 earthquake 60 km ESE of Pedro Bay, Alaska, logged at 21:44 UTC. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-10-23 2025-10-23 21:22:01 UTC | 4.5mb | 29 km NE of San Martín, Argentina -31.242°, -68.287° | 109.6 km | 1 | - | - | ✓ Reviewed | USGS → |
At 21:22 UTC on October 23, 2025, a magnitude 4.5 tremor occurred 29 km NE of San Martín, Argentina. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-10-23 2025-10-23 21:16:23 UTC | 2.3md | 7 km NNW of Lafayette, CA 37.945°, -122.157° | 14.7 km | - | - | - | Auto | USGS → |
Reports of a magnitude 2.3 earthquake 7 km NNW of Lafayette, CA came in on October 23, 2025 at 21:16 UTC. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-10-23 2025-10-23 21:09:28 UTC | 4.7mwr | 85 km E of Tomioka, Japan 37.415°, 141.980° | 46.9 km | 2 | - | - | ✓ Reviewed | USGS → |
A magnitude 4.7 seismic event took place 85 km E of Tomioka, Japan on October 23, 2025 at 21:09 UTC. The event was offshore. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-10-23 2025-10-23 21:02:19 UTC | 4.2mb | 67 km E of Baculin, Philippines 7.468°, 127.198° | 9.2 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.2 earthquake was recorded 67 km E of Baculin, Philippines on October 23, 2025 at 21:02 UTC. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-10-23 2025-10-23 20:31:05 UTC | 2.6ml | 18 km SW of Leilani Estates, Hawaii 19.338°, -155.020° | 6.9 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.6 earthquake 18 km SW of Leilani Estates, Hawaii at 20:31 UTC on October 23, 2025. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-10-23 2025-10-23 20:16:53 UTC | 2.6ml | 22 km ESE of Ruby, Alaska 64.698°, -155.026° | 0.0 km | - | - | - | Auto | USGS → |
Reports of a magnitude 2.6 earthquake 22 km ESE of Ruby, Alaska came in on October 23, 2025 at 20:16 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-10-23 2025-10-23 19:34:59 UTC | 3.3ml | 24 km SE of Wright, Wyoming 43.605°, -105.265° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.3 seismic event took place 24 km SE of Wright, Wyoming on October 23, 2025 at 19:34 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M3.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-10-23 2025-10-23 19:26:37 UTC | 4.4mb | 277 km W of Houma, Tonga -20.871°, -177.950° | 475.3 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.4 event was detected 277 km W of Houma, Tonga on October 23, 2025, with origin time 19:26 UTC. This is the deepest earthquake in the current dataset — a deep-focus event. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-10-23 2025-10-23 18:26:21 UTC | 2.1md | 4 km E of Steele, Missouri 36.084°, -89.781° | 5.8 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.1 earthquake 4 km E of Steele, Missouri at 18:26 UTC on October 23, 2025. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-10-23 2025-10-23 18:15:02 UTC | 2.6ml | 5 km NNE of Star Valley Ranch, Wyoming 43.015°, -110.929° | 5.0 km | 9 | - | - | ✓ Reviewed | USGS → |
A magnitude 2.6 seismic event took place 5 km NNE of Star Valley Ranch, Wyoming on October 23, 2025 at 18:15 UTC. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-10-23 2025-10-23 16:27:54 UTC | 4.6mb | 78 km S of Sand Point, Alaska 54.642°, -160.304° | 35.0 km | - | II | - | ✓ Reviewed | USGS → |
A magnitude 4.6 earthquake was recorded 78 km S of Sand Point, Alaska on October 23, 2025 at 16:27 UTC. The event was offshore. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-10-23 2025-10-23 16:25:45 UTC | 2.0ml | 59 km N of Petersville, Alaska 63.022°, -150.933° | 109.0 km | - | - | - | Auto | USGS → |
A magnitude 2.0 earthquake was recorded 59 km N of Petersville, Alaska on October 23, 2025 at 16:25 UTC. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-10-23 2025-10-23 15:09:04 UTC | 2.5md | 13 km SSE of Maria Antonia, Puerto Rico 17.858°, -66.850° | 13.7 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.5 earthquake was recorded 13 km SSE of Maria Antonia, Puerto Rico on October 23, 2025 at 15:09 UTC. Coming 11 hours after a magnitude 2.9 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. | ||||||||
2025-10-23 2025-10-23 14:52:45 UTC | 2.2ml | 11 km E of Pāhala, Hawaii 19.209°, -155.366° | 30.8 km | - | - | - | ✓ Reviewed | USGS → |
At 14:52 UTC on October 23, 2025, a magnitude 2.2 tremor occurred 11 km E of Pāhala, Hawaii. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-10-23 2025-10-23 14:25:13 UTC | 5.0mb | Falkland Islands region -54.050°, -58.197° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 14:25 UTC on October 23, 2025, a magnitude 5.0 tremor occurred in the Falkland Islands region. See the M5.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-10-23 2025-10-23 13:29:44 UTC | 3.5ml | 237 km SE of Chiniak, Alaska 56.188°, -149.379° | 14.1 km | - | I | - | ✓ Reviewed | USGS → |
Reports of a magnitude 3.5 earthquake 237 km SE of Chiniak, Alaska came in on October 23, 2025 at 13:29 UTC. The event was offshore. See the M3.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-10-23 2025-10-23 13:01:43 UTC | 4.2mb | 32 km NE of Neiafu, Tonga -18.424°, -173.786° | 49.9 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.2 earthquake 32 km NE of Neiafu, Tonga with origin time 13:01 UTC on October 23, 2025. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-10-23 2025-10-23 12:58:05 UTC | 2.5md | 14 km SSE of Maria Antonia, Puerto Rico 17.856°, -66.849° | 11.2 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.5 earthquake 14 km SSE of Maria Antonia, Puerto Rico with origin time 12:58 UTC on October 23, 2025. It arrived roughly 8 hours after a larger magnitude 2.9 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. | ||||||||
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 23, 2025. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.