Earthquakes on July 31, 2025
500
EARTHQUAKES on July 31, 2025
24-hour UTC period · USGS data
15 km deep · 2 people felt it
Elevated activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
26
M4.0–4.9
281
M3.0–3.9
15
M2.0–2.9
53
M1.0–1.9
125
Activity Summary
500
Total earthquakes
~250
Daily average
Elevated
Activity level
26
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
6.2
222 km SE of Severo-Kuril’sk, Russia
05:27 UTC · 15.0 km deep
Felt by 2
5.7
167 km ESE of Petropavlovsk-Kamchatsky, Russia
20:36 UTC · 14.0 km deep
Felt by 1
5.6
140 km ESE of Petropavlovsk-Kamchatsky, Russia
05:31 UTC · 48.2 km deep
5.5
131 km SE of Severo-Kuril’sk, Russia
07:42 UTC · 43.9 km deep
5.4
158 km ESE of Petropavlovsk-Kamchatsky, Russia
13:39 UTC · 10.0 km deep
5.4
100 km SSE of Severo-Kuril’sk, Russia
06:51 UTC · 37.0 km deep
5.3
171 km SE of Vilyuchinsk, Russia
02:38 UTC · 10.0 km deep
5.2
178 km SSE of Vilyuchinsk, Russia
14:34 UTC · 10.0 km deep
Earthquake Map — July 31, 2025
All Earthquakes — July 31, 2025
Showing 30 of 375 (filtered from 500)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2025-07-31 2025-07-31 23:59:53 UTC | 4.2mb | 57 km E of Severo-Kuril’sk, Russia 50.650°, 156.935° | 68.9 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.2 seismic event took place 57 km E of Severo-Kuril’sk, Russia on July 31, 2025 at 23:59 UTC. It arrived roughly 3 hours after a larger magnitude 5.0 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-07-31 2025-07-31 23:47:14 UTC | 4.1mb | 157 km SE of Severo-Kuril’sk, Russia 49.837°, 157.906° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.1 earthquake 157 km SE of Severo-Kuril’sk, Russia at 23:47 UTC on July 31, 2025. Coming 10 hours after a magnitude 4.5 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-07-31 2025-07-31 23:40:50 UTC | 2.5ml | 93 km S of Sand Point, Alaska 54.508°, -160.279° | 24.4 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.5 earthquake was recorded 93 km S of Sand Point, Alaska on July 31, 2025 at 23:40 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.1 earthquake that occurred about 7 hours earlier. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-07-31 2025-07-31 23:36:46 UTC | 4.0mb | 196 km SE of Severo-Kuril’sk, Russia 49.242°, 157.726° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 23:36 UTC on July 31, 2025, a magnitude 4.0 tremor occurred 196 km SE of Severo-Kuril’sk, Russia. Coming 16 hours after a magnitude 5.2 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-07-31 2025-07-31 23:28:56 UTC | 4.6mb | 211 km SE of Severo-Kuril’sk, Russia 49.562°, 158.531° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On July 31, 2025, worldwide seismic activity registered a magnitude 4.6 earthquake 211 km SE of Severo-Kuril’sk, Russia at 23:28 UTC. It arrived roughly 18 hours after a larger magnitude 6.2 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-07-31 2025-07-31 23:24:16 UTC | 4.8mb | 8 km N of Toba, Japan 34.563°, 136.846° | 337.2 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.8 earthquake 8 km N of Toba, Japan came in on July 31, 2025 at 23:24 UTC. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-07-31 2025-07-31 23:21:09 UTC | 4.2mb | 80 km ESE of Ozernovskiy, Russia 51.206°, 157.562° | 74.3 km | - | - | - | ✓ Reviewed | USGS → |
July 31, 2025 brought a magnitude 4.2 earthquake 80 km ESE of Ozernovskiy, Russia, logged at 23:21 UTC. This event falls inside the aftershock decay of a nearby magnitude 4.3 earthquake that occurred about 8 hours earlier. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-07-31 2025-07-31 23:19:39 UTC | 2.9ml | 161 km SSW of Atka, Alaska 50.830°, -174.972° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.9 earthquake 161 km SSW of Atka, Alaska with origin time 23:19 UTC on July 31, 2025. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-07-31 2025-07-31 23:16:19 UTC | 4.8mb | 147 km ESE of Severo-Kuril’sk, Russia 50.394°, 158.156° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.8 seismic event took place 147 km ESE of Severo-Kuril’sk, Russia on July 31, 2025 at 23:16 UTC. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-07-31 2025-07-31 23:14:11 UTC | 4.6mb | 220 km ESE of Ozernovskiy, Russia 50.572°, 159.275° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 23:14 UTC on July 31, 2025, a magnitude 4.6 tremor occurred 220 km ESE of Ozernovskiy, Russia. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-07-31 2025-07-31 23:07:57 UTC | 4.9mb | 169 km ESE of Petropavlovsk-Kamchatsky, Russia 52.701°, 161.067° | 17.4 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.9 event was detected 169 km ESE of Petropavlovsk-Kamchatsky, Russia on July 31, 2025, with origin time 23:07 UTC. Coming 3 hours after a magnitude 5.7 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-07-31 2025-07-31 22:59:19 UTC | 4.6mb | 204 km SE of Petropavlovsk-Kamchatsky, Russia 51.838°, 160.872° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.6 earthquake 204 km SE of Petropavlovsk-Kamchatsky, Russia at 22:59 UTC on July 31, 2025. Coming 21 hours after a magnitude 4.8 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-07-31 2025-07-31 22:57:32 UTC | 4.4mb | 251 km E of Severo-Kuril’sk, Russia 50.332°, 159.625° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
July 31, 2025 brought a magnitude 4.4 earthquake 251 km E of Severo-Kuril’sk, Russia, logged at 22:57 UTC. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-07-31 2025-07-31 22:48:50 UTC | 4.4mb | 272 km ESE of Severo-Kuril’sk, Russia 49.692°, 159.621° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On July 31, 2025 at 22:48 UTC, a magnitude 4.4 earthquake struck 272 km ESE of Severo-Kuril’sk, Russia. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-07-31 2025-07-31 22:22:19 UTC | 2.9ml | 85 km SSE of Sand Point, Alaska 54.581°, -160.227° | 27.1 km | - | - | - | ✓ Reviewed | USGS → |
On July 31, 2025, worldwide seismic activity registered a magnitude 2.9 earthquake 85 km SSE of Sand Point, Alaska at 22:22 UTC. Coming 6 hours after a magnitude 3.1 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-07-31 2025-07-31 22:21:26 UTC | 4.1mb | 184 km S of Severo-Kuril’sk, Russia 49.040°, 155.733° | 58.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.1 event was detected 184 km S of Severo-Kuril’sk, Russia on July 31, 2025, with origin time 22:21 UTC. The event was offshore. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-07-31 2025-07-31 22:16:30 UTC | 4.8mb | 199 km SE of Petropavlovsk-Kamchatsky, Russia 52.027°, 161.026° | 24.5 km | - | - | - | ✓ Reviewed | USGS → |
July 31, 2025 brought a magnitude 4.8 earthquake 199 km SE of Petropavlovsk-Kamchatsky, Russia, logged at 22:16 UTC. The event was offshore. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-07-31 2025-07-31 22:16:03 UTC | 4.1mb | 200 km SE of Petropavlovsk-Kamchatsky, Russia 51.731°, 160.620° | 35.2 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.1 earthquake 200 km SE of Petropavlovsk-Kamchatsky, Russia came in on July 31, 2025 at 22:16 UTC. This event falls inside the aftershock decay of a nearby magnitude 4.4 earthquake that occurred about 14 hours earlier. The event was offshore. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-07-31 2025-07-31 22:13:24 UTC | 5.0mb | 74 km S of Gorontalo, Indonesia -0.130°, 123.143° | 125.4 km | - | - | - | ✓ Reviewed | USGS → |
July 31, 2025 brought a magnitude 5.0 earthquake 74 km S of Gorontalo, Indonesia, logged at 22:13 UTC. The event was offshore. See the M5.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-07-31 2025-07-31 22:09:48 UTC | 4.3mb | 223 km SSE of Vilyuchinsk, Russia 51.097°, 159.745° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.3 event was detected 223 km SSE of Vilyuchinsk, Russia on July 31, 2025, with origin time 22:09 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-07-31 2025-07-31 22:09:13 UTC | 4.4mb | Kermadec Islands region -27.300°, -175.678° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.4 earthquake was recorded in the Kermadec Islands region on July 31, 2025 at 22:09 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-07-31 2025-07-31 22:03:14 UTC | 4.1mb | 153 km E of Petropavlovsk-Kamchatsky, Russia 53.126°, 160.914° | 45.8 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.1 seismic event took place 153 km E of Petropavlovsk-Kamchatsky, Russia on July 31, 2025 at 22:03 UTC. Coming 2 hours after a magnitude 4.2 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-07-31 2025-07-31 21:59:01 UTC | 4.6mb | 170 km E of Ozernovskiy, Russia 51.268°, 158.929° | 28.5 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.6 event was detected 170 km E of Ozernovskiy, Russia on July 31, 2025, with origin time 21:59 UTC. The event was offshore. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-07-31 2025-07-31 21:51:14 UTC | 4.0mb | 119 km E of Ozernovskiy, Russia 51.301°, 158.184° | 57.2 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.0 earthquake 119 km E of Ozernovskiy, Russia at 21:51 UTC on July 31, 2025. It arrived roughly 1 hours after a larger magnitude 4.9 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-07-31 2025-07-31 21:45:41 UTC | 4.6mb | 136 km SE of Severo-Kuril’sk, Russia 49.753°, 157.395° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.6 earthquake 136 km SE of Severo-Kuril’sk, Russia came in on July 31, 2025 at 21:45 UTC. This event falls inside the aftershock decay of a nearby magnitude 5.5 earthquake that occurred about 14 hours earlier. The event was offshore. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-07-31 2025-07-31 21:44:47 UTC | 4.8mb | 145 km SSE of Vilyuchinsk, Russia 51.848°, 159.605° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
On July 31, 2025 at 21:44 UTC, a magnitude 4.8 earthquake struck 145 km SSE of Vilyuchinsk, Russia. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-07-31 2025-07-31 21:34:30 UTC | 4.2mwr | 28 km NE of Machalí, Chile -34.028°, -70.398° | 8.1 km | 12 | - | - | ✓ Reviewed | USGS → |
On July 31, 2025 at 21:34 UTC, a magnitude 4.2 earthquake struck 28 km NE of Machalí, Chile. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-07-31 2025-07-31 21:28:33 UTC | 4.0mb | 162 km ESE of Petropavlovsk-Kamchatsky, Russia 52.283°, 160.665° | 23.2 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.0 event was detected 162 km ESE of Petropavlovsk-Kamchatsky, Russia on July 31, 2025, with origin time 21:28 UTC. This event falls inside the aftershock decay of a nearby magnitude 5.4 earthquake that occurred about 8 hours earlier. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-07-31 2025-07-31 21:26:34 UTC | 4.1mb | 205 km SSE of Severo-Kuril’sk, Russia 49.139°, 157.723° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
July 31, 2025 brought a magnitude 4.1 earthquake 205 km SSE of Severo-Kuril’sk, Russia, logged at 21:26 UTC. It arrived roughly 14 hours after a larger magnitude 5.2 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-07-31 2025-07-31 21:20:37 UTC | 4.5mb | 163 km SSE of Vilyuchinsk, Russia 51.633°, 159.525° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 21:20 UTC on July 31, 2025, a magnitude 4.5 tremor occurred 163 km SSE of Vilyuchinsk, Russia. This event falls inside the aftershock decay of a nearby magnitude 5.1 earthquake that occurred about 3 hours earlier. See the M4.5 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 July 31, 2025. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.