Earthquakes on October 8, 2025
221
EARTHQUAKES on October 8, 2025
24-hour UTC period · USGS data
LARGEST: M5.6 — South Sandwich Islands region
10 km deep
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
2
M4.0–4.9
37
M3.0–3.9
10
M2.0–2.9
39
M1.0–1.9
133
Activity Summary
221
Total earthquakes
~250
Daily average
Normal
Activity level
2
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
5.6
South Sandwich Islands region
03:50 UTC · 10.0 km deep
5.0
59 km SSW of Champerico, Guatemala
10:16 UTC · 10.0 km deep
4.9
17 km WSW of Emet, Turkey
23:54 UTC · 14.9 km deep
Felt by 9
4.9
39 km SE of Petropavlovsk-Kamchatsky, Russia
18:39 UTC · 77.1 km deep
4.9
52 km S of Bengkulu, Indonesia
08:09 UTC · 52.5 km deep
Felt by 1
4.7
67 km E of Labuha, Indonesia
05:20 UTC · 10.0 km deep
4.6
southwest of Africa
23:59 UTC · 10.0 km deep
4.6
96 km SW of Basco, Philippines
23:54 UTC · 25.1 km deep
Earthquake Map — October 8, 2025
All Earthquakes — October 8, 2025
Showing 30 of 88 (filtered from 221)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2025-10-08 2025-10-08 23:59:30 UTC | 4.6mb | southwest of Africa -52.366°, 14.558° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.6 event was detected southwest of Africa on October 8, 2025, with origin time 23:59 UTC. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-10-08 2025-10-08 23:54:14 UTC | 4.6mb | 96 km SW of Basco, Philippines 19.875°, 121.273° | 25.1 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.6 earthquake 96 km SW of Basco, Philippines came in on October 8, 2025 at 23:54 UTC. The event was offshore. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-10-08 2025-10-08 23:54:07 UTC | 4.9mww | 17 km WSW of Emet, Turkey 39.278°, 29.076° | 14.9 km | 9 | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.9 earthquake 17 km WSW of Emet, Turkey with origin time 23:54 UTC on October 8, 2025. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-10-08 2025-10-08 23:00:06 UTC | 2.4ml | 71 km ENE of Tonopah, Nevada 38.364°, -116.504° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
At 23:00 UTC on October 8, 2025, a magnitude 2.4 tremor occurred 71 km ENE of Tonopah, Nevada. This event falls inside the aftershock decay of a nearby magnitude 3.3 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 M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-10-08 2025-10-08 22:59:27 UTC | 2.0ml | 78 km NE of Tonopah, Nevada 38.465°, -116.483° | 8.5 km | - | - | - | ✓ Reviewed | USGS → |
On October 8, 2025, worldwide seismic activity registered a magnitude 2.0 earthquake 78 km NE of Tonopah, Nevada at 22:59 UTC. Coming 1 hours after a magnitude 3.3 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. | ||||||||
2025-10-08 2025-10-08 22:53:47 UTC | 3.3ml | 79 km ENE of Tonopah, Nevada 38.465°, -116.470° | 7.7 km | - | II | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 3.3 earthquake 79 km ENE of Tonopah, Nevada at 22:53 UTC on October 8, 2025. 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 M3.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-10-08 2025-10-08 22:43:33 UTC | 2.2ml | 2 km NNE of Lake Arrowhead, CA 34.268°, -117.184° | 3.7 km | - | - | - | ✓ Reviewed | USGS → |
At 22:43 UTC on October 8, 2025, a magnitude 2.2 tremor occurred 2 km NNE of Lake Arrowhead, CA. 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. | ||||||||
2025-10-08 2025-10-08 22:20:35 UTC | 2.2ml | 49 km NW of Toyah, Texas 31.601°, -104.189° | 6.1 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.2 earthquake was recorded 49 km NW of Toyah, Texas on October 8, 2025 at 22:20 UTC. Coming 3 hours after a magnitude 2.4 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-10-08 2025-10-08 22:07:03 UTC | 2.1ml | 11 km S of Princeton, Canada 49.359°, -120.494° | -0.4 km | - | - | - | ✓ Reviewed | USGS → |
October 8, 2025 brought a magnitude 2.1 earthquake 11 km S of Princeton, Canada, logged at 22:07 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. | ||||||||
2025-10-08 2025-10-08 21:25:24 UTC | 2.7ml | 58 km ENE of Yakutat, Alaska 59.768°, -138.783° | 2.9 km | - | - | - | Auto | USGS → |
On October 8, 2025 at 21:25 UTC, a magnitude 2.7 earthquake struck 58 km ENE of Yakutat, Alaska. Coming 1 hours after a magnitude 3.1 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. 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. | ||||||||
2025-10-08 2025-10-08 20:45:12 UTC | 4.4mb | 217 km S of Severo-Kuril’sk, Russia 48.720°, 156.092° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.4 event was detected 217 km S of Severo-Kuril’sk, Russia on October 8, 2025, with origin time 20:45 UTC. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-10-08 2025-10-08 20:43:10 UTC | 2.2ml | 58 km W of Happy Valley, Alaska 60.038°, -152.760° | 107.8 km | - | - | - | Auto | USGS → |
Seismographs logged a magnitude 2.2 earthquake 58 km W of Happy Valley, Alaska with origin time 20:43 UTC on October 8, 2025. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-10-08 2025-10-08 20:20:41 UTC | 2.5ml | 15 km WNW of Happy Valley, Alaska 60.020°, -151.966° | 84.1 km | - | - | - | Auto | USGS → |
Reports of a magnitude 2.5 earthquake 15 km WNW of Happy Valley, Alaska came in on October 8, 2025 at 20:20 UTC. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-10-08 2025-10-08 20:11:39 UTC | 3.1ml | 57 km ENE of Yakutat, Alaska 59.801°, -138.832° | 0.0 km | - | - | - | Auto | USGS → |
A magnitude 3.1 seismic event took place 57 km ENE of Yakutat, Alaska on October 8, 2025 at 20:11 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. | ||||||||
2025-10-08 2025-10-08 19:59:18 UTC | 2.5md | 7 km NW of Pinnacles, CA 36.572°, -121.202° | 5.4 km | - | - | - | Auto | USGS → |
A magnitude 2.5 earthquake was recorded 7 km NW of Pinnacles, CA on October 8, 2025 at 19:59 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.2 earthquake that occurred about 10 hours earlier. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-10-08 2025-10-08 19:38:50 UTC | 4.4mwr | 100 km SW of Atka, Alaska 51.572°, -175.253° | 35.0 km | - | II | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.4 earthquake 100 km SW of Atka, Alaska came in on October 8, 2025 at 19:38 UTC. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-10-08 2025-10-08 19:26:41 UTC | 4.6mb | 100 km E of Petropavlovsk-Kamchatsky, Russia 53.105°, 160.133° | 58.8 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.6 seismic event took place 100 km E of Petropavlovsk-Kamchatsky, Russia on October 8, 2025 at 19:26 UTC. The event was offshore. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-10-08 2025-10-08 18:51:46 UTC | 2.4ml | 49 km NW of Toyah, Texas 31.603°, -104.193° | 6.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.4 earthquake 49 km NW of Toyah, Texas at 18:51 UTC on October 8, 2025. In the 72 hours after this event, the USGS recorded 4 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-10-08 2025-10-08 18:39:38 UTC | 4.9mb | 39 km SE of Petropavlovsk-Kamchatsky, Russia 52.852°, 159.101° | 77.1 km | - | - | - | ✓ Reviewed | USGS → |
On October 8, 2025, worldwide seismic activity registered a magnitude 4.9 earthquake 39 km SE of Petropavlovsk-Kamchatsky, Russia at 18:39 UTC. The event was offshore. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-10-08 2025-10-08 18:27:24 UTC | 4.4mb | 42 km W of Santa Cruz de los Taques, Venezuela 11.893°, -70.636° | 76.1 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.4 seismic event took place 42 km W of Santa Cruz de los Taques, Venezuela on October 8, 2025 at 18:27 UTC. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-10-08 2025-10-08 18:07:03 UTC | 2.0ml | 5 km SE of Christine, Texas 28.756°, -98.461° | 8.3 km | - | - | - | ✓ Reviewed | USGS → |
At 18:07 UTC on October 8, 2025, a magnitude 2.0 tremor occurred 5 km SE of Christine, Texas. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-10-08 2025-10-08 17:49:05 UTC | 4.5mb | southeast of the Loyalty Islands -23.320°, 171.450° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On October 8, 2025, worldwide seismic activity registered a magnitude 4.5 earthquake southeast of the Loyalty Islands at 17:49 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-10-08 2025-10-08 17:23:53 UTC | 3.4ml | 6 km NNE of Puako, Hawaii 20.028°, -155.811° | 23.3 km | 148 | - | - | ✓ Reviewed | USGS → |
On October 8, 2025, worldwide seismic activity registered a magnitude 3.4 earthquake 6 km NNE of Puako, Hawaii at 17:23 UTC. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-10-08 2025-10-08 17:22:48 UTC | 4.2mb | 69 km W of San Antonio de los Cobres, Argentina -24.249°, -67.007° | 168.8 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.2 earthquake 69 km W of San Antonio de los Cobres, Argentina with origin time 17:22 UTC on October 8, 2025. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-10-08 2025-10-08 16:49:42 UTC | 4.3mb | 15 km SW of Lae, Papua New Guinea -6.826°, 146.904° | 103.4 km | - | - | - | ✓ Reviewed | USGS → |
At 16:49 UTC on October 8, 2025, a magnitude 4.3 tremor occurred 15 km SW of Lae, Papua New Guinea. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-10-08 2025-10-08 16:38:26 UTC | 2.6ml | 61 km SW of Skwentna, Alaska 61.685°, -152.369° | 1.6 km | - | - | - | Auto | USGS → |
At 16:38 UTC on October 8, 2025, a magnitude 2.6 tremor occurred 61 km SW of Skwentna, Alaska. 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. | ||||||||
2025-10-08 2025-10-08 16:23:00 UTC | 2.4md | 7 km SE of Markleeville, CA 38.643°, -119.742° | -2.0 km | 2 | - | - | Auto | USGS → |
Reports of a magnitude 2.4 earthquake 7 km SE of Markleeville, CA came in on October 8, 2025 at 16:23 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.7 earthquake that occurred about 7 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. | ||||||||
2025-10-08 2025-10-08 16:07:40 UTC | 2.0ml | 113 km ESE of McCarthy, Alaska 60.972°, -141.031° | 0.0 km | - | - | - | Auto | USGS → |
The USGS recorded this magnitude 2.0 earthquake 113 km ESE of McCarthy, Alaska at 16:07 UTC on October 8, 2025. 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. | ||||||||
2025-10-08 2025-10-08 15:59:04 UTC | 4.3mb | 132 km ENE of Petropavlovsk-Kamchatsky, Russia 53.326°, 160.569° | 54.3 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.3 earthquake 132 km ENE of Petropavlovsk-Kamchatsky, Russia at 15:59 UTC on October 8, 2025. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-10-08 2025-10-08 15:30:23 UTC | 2.4md | 10 km WSW of Manton, CA 40.388°, -121.977° | 6.3 km | - | - | - | Auto | USGS → |
On October 8, 2025, worldwide seismic activity registered a magnitude 2.4 earthquake 10 km WSW of Manton, CA at 15:30 UTC. See the M2.4 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 8, 2025. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.