Earthquakes on August 6, 2025
312
EARTHQUAKES on August 6, 2025
24-hour UTC period · USGS data
16 km deep
Elevated activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
7
M4.0–4.9
83
M3.0–3.9
21
M2.0–2.9
50
M1.0–1.9
151
Activity Summary
312
Total earthquakes
~250
Daily average
Elevated
Activity level
7
M5.0+ events
Geographic Breakdown
By US State
Significant Earthquakes (M4.5+)
5.8
167 km SSE of Vilyuchinsk, Russia
10:35 UTC · 16.0 km deep
5.5
189 km SSE of Vilyuchinsk, Russia
10:43 UTC · 10.0 km deep
5.3
55 km ENE of Fangale’ounga, Tonga
22:08 UTC · 35.0 km deep
5.2
176 km SSE of Vilyuchinsk, Russia
06:36 UTC · 10.0 km deep
5.1
207 km ESE of Severo-Kuril’sk, Russia
05:01 UTC · 10.0 km deep
5.0
southern Mid-Atlantic Ridge
23:26 UTC · 10.0 km deep
5.0
77 km WNW of Amagi, Japan
00:56 UTC · 10.0 km deep
4.9
15 km SSW of Tsukawaki, Japan
23:47 UTC · 9.8 km deep
Felt by 1
Earthquake Map — August 6, 2025
All Earthquakes — August 6, 2025
Showing 30 of 161 (filtered from 312)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2025-08-06 2025-08-06 23:54:18 UTC | 2.2md | 9 km S of Guánica, Puerto Rico 17.890°, -66.915° | 9.0 km | - | - | - | ✓ Reviewed | USGS → |
August 6, 2025 brought a magnitude 2.2 earthquake 9 km S of Guánica, Puerto Rico, logged at 23:54 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.2 earthquake that occurred about 19 hours earlier. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-06 2025-08-06 23:51:53 UTC | 4.7mb | 270 km SSE of Ushuaia, Argentina -57.160°, -67.188° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On August 6, 2025, worldwide seismic activity registered a magnitude 4.7 earthquake 270 km SSE of Ushuaia, Argentina at 23:51 UTC. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-06 2025-08-06 23:47:47 UTC | 4.9mb | 15 km SSW of Tsukawaki, Japan 33.140°, 131.121° | 9.8 km | 1 | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.9 earthquake 15 km SSW of Tsukawaki, Japan came in on August 6, 2025 at 23:47 UTC. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-06 2025-08-06 23:44:53 UTC | 4.2mb | 143 km E of Petropavlovsk-Kamchatsky, Russia 52.839°, 160.732° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
On August 6, 2025, worldwide seismic activity registered a magnitude 4.2 earthquake 143 km E of Petropavlovsk-Kamchatsky, Russia at 23:44 UTC. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-06 2025-08-06 23:43:47 UTC | 4.3mb | 196 km SSE of Vilyuchinsk, Russia 51.270°, 159.361° | 29.2 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.3 earthquake was recorded 196 km SSE of Vilyuchinsk, Russia on August 6, 2025 at 23:43 UTC. It arrived roughly 13 hours after a larger magnitude 4.8 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-06 2025-08-06 23:30:10 UTC | 3.4ml | 60 km W of Anchor Point, Alaska 59.883°, -152.885° | 95.4 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 3.4 event was detected 60 km W of Anchor Point, Alaska on August 6, 2025, with origin time 23:30 UTC. The event was offshore. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-06 2025-08-06 23:29:26 UTC | 4.0mb | Banda Sea -6.645°, 129.954° | 138.8 km | - | - | - | ✓ Reviewed | USGS → |
At 23:29 UTC on August 6, 2025, a magnitude 4.0 tremor occurred near Banda Sea. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-06 2025-08-06 23:28:29 UTC | 4.3mb | 35 km SSE of Jurm, Afghanistan 36.553°, 70.919° | 191.7 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.3 earthquake 35 km SSE of Jurm, Afghanistan with origin time 23:28 UTC on August 6, 2025. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-06 2025-08-06 23:27:11 UTC | 2.2ml | 86 km SSE of Sand Point, Alaska 54.594°, -160.109° | 18.1 km | - | - | - | ✓ Reviewed | USGS → |
On August 6, 2025 at 23:27 UTC, a magnitude 2.2 earthquake struck 86 km SSE of Sand Point, Alaska. Coming 6 hours after a magnitude 3.3 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-06 2025-08-06 23:26:53 UTC | 5.0mb | southern Mid-Atlantic Ridge -46.031°, -16.229° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 5.0 earthquake near southern Mid-Atlantic Ridge at 23:26 UTC on August 6, 2025. See the M5.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-06 2025-08-06 23:25:26 UTC | 4.7mb | 152 km SE of Petropavlovsk-Kamchatsky, Russia 52.253°, 160.439° | 25.6 km | - | - | - | ✓ Reviewed | USGS → |
At 23:25 UTC on August 6, 2025, a magnitude 4.7 tremor occurred 152 km SE of Petropavlovsk-Kamchatsky, Russia. The event was offshore. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-06 2025-08-06 23:25:16 UTC | 4.1mb | 123 km SSE of Vilyuchinsk, Russia 51.878°, 158.974° | 60.4 km | - | - | - | ✓ Reviewed | USGS → |
On August 6, 2025, worldwide seismic activity registered a magnitude 4.1 earthquake 123 km SSE of Vilyuchinsk, Russia at 23:25 UTC. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-06 2025-08-06 22:40:18 UTC | 4.6mb | West Chile Rise -41.266°, -88.207° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On August 6, 2025 at 22:40 UTC, a magnitude 4.6 earthquake struck near West Chile Rise. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-06 2025-08-06 22:37:10 UTC | 4.2mb | 91 km SSW of Severo-Kuril’sk, Russia 49.887°, 155.781° | 78.9 km | - | - | - | ✓ Reviewed | USGS → |
At 22:37 UTC on August 6, 2025, a magnitude 4.2 tremor occurred 91 km SSW of Severo-Kuril’sk, Russia. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-06 2025-08-06 22:31:08 UTC | 2.3ml | 20 km SSE of Waimea, Hawaii 19.868°, -155.568° | 16.1 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.3 event was detected 20 km SSE of Waimea, Hawaii on August 6, 2025, with origin time 22:31 UTC. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-06 2025-08-06 22:11:44 UTC | 3.0ml | 100 km SW of Adak, Alaska 51.250°, -177.683° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.0 seismic event took place 100 km SW of Adak, Alaska on August 6, 2025 at 22:11 UTC. The event was offshore. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-06 2025-08-06 22:08:19 UTC | 5.3mww | 55 km ENE of Fangale’ounga, Tonga -19.515°, -173.857° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 5.3 earthquake 55 km ENE of Fangale’ounga, Tonga with origin time 22:08 UTC on August 6, 2025. See the M5.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-06 2025-08-06 22:03:25 UTC | 2.5ml | 97 km SSE of Sand Point, Alaska 54.497°, -160.084° | 26.3 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.5 earthquake was recorded 97 km SSE of Sand Point, Alaska on August 6, 2025 at 22:03 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.3 earthquake that occurred about 5 hours earlier. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-06 2025-08-06 22:01:01 UTC | 2.1ml | 82 km SSE of Sand Point, Alaska 54.614°, -160.178° | 25.3 km | - | - | - | ✓ Reviewed | USGS → |
August 6, 2025 brought a magnitude 2.1 earthquake 82 km SSE of Sand Point, Alaska, logged at 22:01 UTC. Coming 5 hours after a magnitude 3.3 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-06 2025-08-06 21:47:51 UTC | 3.0ml | 95 km S of Sand Point, Alaska 54.492°, -160.270° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
August 6, 2025 brought a magnitude 3.0 earthquake 95 km S of Sand Point, Alaska, logged at 21:47 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.3 earthquake that occurred about 5 hours earlier. The event was offshore. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-06 2025-08-06 21:00:03 UTC | 2.0md | 5 km WSW of Central Aguirre, Puerto Rico 17.936°, -66.267° | 14.7 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.0 event was detected 5 km WSW of Central Aguirre, Puerto Rico on August 6, 2025, with origin time 21:00 UTC. 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 M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-06 2025-08-06 20:57:10 UTC | 2.0ml | 7 km ESE of Salem, Oklahoma 35.354°, -95.858° | 22.2 km | - | - | - | ✓ Reviewed | USGS → |
On August 6, 2025, worldwide seismic activity registered a magnitude 2.0 earthquake 7 km ESE of Salem, Oklahoma at 20:57 UTC. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-06 2025-08-06 20:53:52 UTC | 2.2ml | 84 km SSE of Sand Point, Alaska 54.589°, -160.226° | 21.6 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.2 earthquake was recorded 84 km SSE of Sand Point, Alaska on August 6, 2025 at 20:53 UTC. It arrived roughly 4 hours after a larger magnitude 3.3 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-06 2025-08-06 20:44:15 UTC | 2.4md | 17 km WSW of Toms Place, CA 37.483°, -118.851° | 5.5 km | - | - | - | ✓ Reviewed | USGS → |
At 20:44 UTC on August 6, 2025, a magnitude 2.4 tremor occurred 17 km WSW of Toms Place, CA. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-06 2025-08-06 20:27:20 UTC | 4.9mww | 109 km SE of Severo-Kuril’sk, Russia 50.113°, 157.387° | 47.9 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.9 seismic event took place 109 km SE of Severo-Kuril’sk, Russia on August 6, 2025 at 20:27 UTC. The event was offshore. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-06 2025-08-06 20:08:08 UTC | 2.5ml | 84 km S of Sand Point, Alaska 54.590°, -160.252° | 17.5 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.5 earthquake 84 km S of Sand Point, Alaska with origin time 20:08 UTC on August 6, 2025. Coming 3 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 M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-06 2025-08-06 20:03:02 UTC | 2.0ml | 106 km SE of Unalaska, Alaska 53.104°, -165.569° | 7.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.0 earthquake 106 km SE of Unalaska, Alaska came in on August 6, 2025 at 20:03 UTC. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-06 2025-08-06 19:43:58 UTC | 4.0mb | 181 km E of Ozernovskiy, Russia 51.276°, 159.086° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.0 earthquake 181 km E of Ozernovskiy, Russia at 19:43 UTC on August 6, 2025. This event falls inside the aftershock decay of a nearby magnitude 4.8 earthquake that occurred about 9 hours earlier. The event was offshore. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-06 2025-08-06 19:28:31 UTC | 4.9mb | 173 km SW of Tual, Indonesia -6.539°, 131.481° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
August 6, 2025 brought a magnitude 4.9 earthquake 173 km SW of Tual, Indonesia, logged at 19:28 UTC. The event was offshore. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-06 2025-08-06 19:23:53 UTC | 2.6ml | 19 km NW of Midland, Texas 32.132°, -102.214° | 7.1 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.6 earthquake 19 km NW of Midland, Texas came in on August 6, 2025 at 19:23 UTC. The event was offshore. See the M2.6 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 August 6, 2025. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.