Earthquakes on October 4, 2025
242
EARTHQUAKES on October 4, 2025
24-hour UTC period · USGS data
LARGEST: M5.9 — 48 km ENE of Tomioka, Japan
54 km deep · 54 people felt it
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
4
M4.0–4.9
54
M3.0–3.9
9
M2.0–2.9
29
M1.0–1.9
146
Activity Summary
242
Total earthquakes
~250
Daily average
Normal
Activity level
4
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
5.9
48 km ENE of Tomioka, Japan
15:21 UTC · 54.2 km deep
Felt by 54
5.5
northern East Pacific Rise
09:02 UTC · 10.0 km deep
5.2
183 km SE of Vilyuchinsk, Russia
17:38 UTC · 10.0 km deep
5.0
3 km E of Maravilla, Philippines
09:41 UTC · 10.0 km deep
Felt by 2
4.9
southeast of Easter Island
20:30 UTC · 10.0 km deep
4.9
290 km ESE of Levuka, Fiji
18:50 UTC · 530.2 km deep
4.7
9 km NNE of Tilarán, Costa Rica
21:08 UTC · 10.0 km deep
Felt by 4
4.7
Mid-Indian Ridge
19:53 UTC · 10.0 km deep
Earthquake Map — October 4, 2025
All Earthquakes — October 4, 2025
Showing 30 of 96 (filtered from 242)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2025-10-04 2025-10-04 23:42:15 UTC | 4.5mb | 20 km SE of Jaqué, Panama 7.378°, -78.048° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.5 earthquake 20 km SE of Jaqué, Panama at 23:42 UTC on October 4, 2025. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-10-04 2025-10-04 23:34:30 UTC | 2.0ml | 76 km ENE of Tonopah, Nevada 38.438°, -116.494° | 5.2 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.0 earthquake 76 km ENE of Tonopah, Nevada with origin time 23:34 UTC on October 4, 2025. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-10-04 2025-10-04 23:31:04 UTC | 4.4mb | 66 km E of Severo-Kuril’sk, Russia 50.641°, 157.067° | 69.8 km | - | - | - | ✓ Reviewed | USGS → |
At 23:31 UTC on October 4, 2025, a magnitude 4.4 tremor occurred 66 km E of Severo-Kuril’sk, Russia. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-10-04 2025-10-04 23:28:40 UTC | 3.7mb | 65 km SE of Unalaska, Alaska 53.434°, -165.883° | 52.5 km | - | - | - | ✓ Reviewed | USGS → |
October 4, 2025 brought a magnitude 3.7 earthquake 65 km SE of Unalaska, Alaska, logged at 23:28 UTC. The event was offshore. See the M3.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-10-04 2025-10-04 23:03:53 UTC | 4.1mb | 59 km ESE of Kyzyl-Eshme, Kyrgyzstan 39.343°, 72.903° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On October 4, 2025 at 23:03 UTC, a magnitude 4.1 earthquake struck 59 km ESE of Kyzyl-Eshme, Kyrgyzstan. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-10-04 2025-10-04 22:54:05 UTC | 4.1mb | 82 km E of Petropavlovsk-Kamchatsky, Russia 53.201°, 159.839° | 56.5 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.1 earthquake was recorded 82 km E of Petropavlovsk-Kamchatsky, Russia on October 4, 2025 at 22:54 UTC. The event was offshore. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-10-04 2025-10-04 22:24:13 UTC | 4.3mb | 246 km SSW of Severo-Kuril’sk, Russia 48.704°, 154.570° | 69.6 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.3 earthquake 246 km SSW of Severo-Kuril’sk, Russia at 22:24 UTC on October 4, 2025. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-10-04 2025-10-04 21:20:55 UTC | 2.2md | 3 km SE of Pacifica, CA 37.592°, -122.465° | 9.1 km | 6 | - | - | Auto | USGS → |
A magnitude 2.2 seismic event took place 3 km SE of Pacifica, CA on October 4, 2025 at 21:20 UTC. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-10-04 2025-10-04 21:16:38 UTC | 2.3ml | 13 km S of Princeton, Canada 49.335°, -120.499° | -0.4 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.3 earthquake 13 km S of Princeton, Canada at 21:16 UTC on October 4, 2025. This is the shallowest earthquake in the current dataset — a shallow crustal event. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-10-04 2025-10-04 21:09:40 UTC | 4.1mb | Fiji region -20.912°, -179.104° | 655.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.1 earthquake in the Fiji region with origin time 21:09 UTC on October 4, 2025. This is the deepest earthquake in the current dataset — a deep-focus event. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-10-04 2025-10-04 21:08:45 UTC | 4.7mb | 9 km NNE of Tilarán, Costa Rica 10.544°, -84.931° | 10.0 km | 4 | - | - | ✓ Reviewed | USGS → |
This magnitude 4.7 event was detected 9 km NNE of Tilarán, Costa Rica on October 4, 2025, with origin time 21:08 UTC. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-10-04 2025-10-04 21:01:45 UTC | 4.4mb | 66 km ESE of Lincang, China 23.621°, 100.685° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.4 earthquake 66 km ESE of Lincang, China at 21:01 UTC on October 4, 2025. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-10-04 2025-10-04 20:35:29 UTC | 4.3mb | 40 km WSW of San José de Jáchal, Argentina -30.353°, -69.148° | 113.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.3 event was detected 40 km WSW of San José de Jáchal, Argentina on October 4, 2025, with origin time 20:35 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-10-04 2025-10-04 20:31:03 UTC | 4.5mb | 120 km S of Port Blair, India 10.575°, 92.818° | 58.5 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.5 event was detected 120 km S of Port Blair, India on October 4, 2025, with origin time 20:31 UTC. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-10-04 2025-10-04 20:30:53 UTC | 4.9mb | southeast of Easter Island -35.593°, -104.064° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 20:30 UTC on October 4, 2025, a magnitude 4.9 tremor occurred southeast of Easter Island. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-10-04 2025-10-04 20:27:22 UTC | 4.5mwr | 40 km N of Taltal, Chile -25.042°, -70.501° | 41.4 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.5 earthquake 40 km N of Taltal, Chile came in on October 4, 2025 at 20:27 UTC. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-10-04 2025-10-04 20:23:22 UTC | 4.2mb | 124 km SE of Vilyuchinsk, Russia 52.044°, 159.517° | 70.9 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.2 earthquake 124 km SE of Vilyuchinsk, Russia with origin time 20:23 UTC on October 4, 2025. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-10-04 2025-10-04 19:55:12 UTC | 4.3mb | 215 km SE of Petropavlovsk-Kamchatsky, Russia 51.774°, 160.988° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.3 earthquake 215 km SE of Petropavlovsk-Kamchatsky, Russia came in on October 4, 2025 at 19:55 UTC. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-10-04 2025-10-04 19:54:23 UTC | 3.4md | 104 km N of Cruz Bay, U.S. Virgin Islands 19.257°, -64.605° | 29.2 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.4 earthquake was recorded 104 km N of Cruz Bay, U.S. Virgin Islands on October 4, 2025 at 19:54 UTC. The event was offshore. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-10-04 2025-10-04 19:53:46 UTC | 4.7mb | Mid-Indian Ridge -41.071°, 81.076° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.7 earthquake near Mid-Indian Ridge came in on October 4, 2025 at 19:53 UTC. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-10-04 2025-10-04 19:47:26 UTC | 2.2ml | 9 km WNW of Nanwalek, Alaska 59.398°, -152.065° | 35.7 km | - | - | - | Auto | USGS → |
October 4, 2025 brought a magnitude 2.2 earthquake 9 km WNW of Nanwalek, Alaska, logged at 19:47 UTC. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-10-04 2025-10-04 19:32:43 UTC | 4.5mb | Mid-Indian Ridge -41.223°, 80.661° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.5 seismic event took place near Mid-Indian Ridge on October 4, 2025 at 19:32 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-10-04 2025-10-04 19:09:43 UTC | 4.3mb | 2 km SSE of Ginabuyan, Philippines 11.220°, 124.411° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.3 seismic event took place 2 km SSE of Ginabuyan, Philippines on October 4, 2025 at 19:09 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-10-04 2025-10-04 19:02:02 UTC | 4.2mb | 298 km ENE of Lospalos, Timor Leste -7.160°, 129.338° | 144.7 km | - | - | - | ✓ Reviewed | USGS → |
On October 4, 2025, worldwide seismic activity registered a magnitude 4.2 earthquake 298 km ENE of Lospalos, Timor Leste at 19:02 UTC. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-10-04 2025-10-04 18:50:54 UTC | 4.9mb | 290 km ESE of Levuka, Fiji -18.618°, -177.997° | 530.2 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.9 earthquake 290 km ESE of Levuka, Fiji at 18:50 UTC on October 4, 2025. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-10-04 2025-10-04 18:45:13 UTC | 3.2ml | 236 km WSW of Adak, Alaska 51.099°, -179.808° | 10.8 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 3.2 earthquake 236 km WSW of Adak, Alaska with origin time 18:45 UTC on October 4, 2025. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-10-04 2025-10-04 18:27:14 UTC | 2.1md | 11 km ENE of Kettleman City, CA 36.030°, -119.844° | 0.1 km | - | - | - | Auto | USGS → |
This magnitude 2.1 event was detected 11 km ENE of Kettleman City, CA on October 4, 2025, with origin time 18:27 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. | ||||||||
2025-10-04 2025-10-04 18:05:22 UTC | 4.2mb | south of the Kermadec Islands -33.885°, -179.206° | 41.3 km | - | - | - | ✓ Reviewed | USGS → |
At 18:05 UTC on October 4, 2025, a magnitude 4.2 tremor occurred south of the Kermadec Islands. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-10-04 2025-10-04 18:02:46 UTC | 3.0ml | 12 km ENE of Wright, Wyoming 43.792°, -105.347° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
At 18:02 UTC on October 4, 2025, a magnitude 3.0 tremor occurred 12 km ENE of Wright, Wyoming. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-10-04 2025-10-04 18:02:11 UTC | 2.0ml | 76 km ENE of Tonopah, Nevada 38.438°, -116.493° | 5.3 km | - | - | - | ✓ Reviewed | USGS → |
On October 4, 2025, worldwide seismic activity registered a magnitude 2.0 earthquake 76 km ENE of Tonopah, Nevada at 18:02 UTC. See the M2.0 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 4, 2025. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.