Earthquakes on July 30, 2025
Magnitude Breakdown
Activity Summary
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
183 km SE of Vilyuchinsk, Russia
09:56 UTC · 10.4 km deep
138 km SE of Severo-Kuril’sk, Russia
16:07 UTC · 35.0 km deep
135 km ESE of Severo-Kuril’sk, Russia
14:47 UTC · 23.3 km deep
Felt by 2
161 km ESE of Petropavlovsk-Kamchatsky, Russia
23:15 UTC · 10.0 km deep
144 km SE of Petropavlovsk-Kamchatsky, Russia
21:51 UTC · 17.0 km deep
256 km ESE of Ozernovskiy, Russia
16:47 UTC · 10.0 km deep
223 km SE of Severo-Kuril’sk, Russia
21:13 UTC · 10.0 km deep
134 km SE of Severo-Kuril’sk, Russia
16:57 UTC · 10.0 km deep
Earthquake Map — July 30, 2025

All Earthquakes — July 30, 2025
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2025-07-30 2025-07-30 23:57:04 UTC | 2.3ml | 12 km S of Olancha, CA 36.172°, -118.028° | 2.3 km | - | - | - | ✓ Reviewed | USGS → |
On July 30, 2025 at 23:57 UTC, a magnitude 2.3 earthquake struck 12 km S of Olancha, CA. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-07-30 2025-07-30 23:54:13 UTC | 4.6mb | 158 km SE of Petropavlovsk-Kamchatsky, Russia 52.270°, 160.566° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.6 earthquake 158 km SE of Petropavlovsk-Kamchatsky, Russia with origin time 23:54 UTC on July 30, 2025. This event falls inside the aftershock decay of a nearby magnitude 5.2 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. | ||||||||
2025-07-30 2025-07-30 23:51:26 UTC | 4.2mb | 179 km ESE of Ozernovskiy, Russia 50.800°, 158.817° | 26.6 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.2 seismic event took place 179 km ESE of Ozernovskiy, Russia on July 30, 2025 at 23:51 UTC. This event falls inside the aftershock decay of a nearby magnitude 4.4 earthquake that occurred about 2 hours earlier. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-07-30 2025-07-30 23:49:11 UTC | 4.9mb | 154 km SE of Petropavlovsk-Kamchatsky, Russia 52.166°, 160.374° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
July 30, 2025 brought a magnitude 4.9 earthquake 154 km SE of Petropavlovsk-Kamchatsky, Russia, logged at 23:49 UTC. This event falls inside the aftershock decay of a nearby magnitude 5.7 earthquake that occurred about 2 hours earlier. The event was offshore. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-07-30 2025-07-30 23:39:43 UTC | 4.2mb | 149 km ESE of Severo-Kuril’sk, Russia 50.298°, 158.149° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
July 30, 2025 brought a magnitude 4.2 earthquake 149 km ESE of Severo-Kuril’sk, Russia, logged at 23:39 UTC. Coming 9 hours after a magnitude 5.2 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-07-30 2025-07-30 23:35:57 UTC | 4.3mb | 255 km SE of Vilyuchinsk, Russia 51.153°, 160.761° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.3 event was detected 255 km SE of Vilyuchinsk, Russia on July 30, 2025, with origin time 23:35 UTC. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-07-30 2025-07-30 23:33:45 UTC | 2.5ml | 102 km SSE of Sand Point, Alaska 54.434°, -160.148° | 22.4 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.5 earthquake 102 km SSE of Sand Point, Alaska came in on July 30, 2025 at 23:33 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.3 earthquake that occurred about 11 hours earlier. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-07-30 2025-07-30 23:33:38 UTC | 4.4mb | 195 km SSE of Vilyuchinsk, Russia 51.436°, 159.919° | 26.5 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.4 earthquake 195 km SSE of Vilyuchinsk, Russia with origin time 23:33 UTC on July 30, 2025. This event falls inside the aftershock decay of a nearby magnitude 6.1 earthquake that occurred about 14 hours earlier. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-07-30 2025-07-30 23:31:04 UTC | 4.3mb | 157 km ESE of Ozernovskiy, Russia 50.995°, 158.614° | 48.5 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.3 earthquake 157 km ESE of Ozernovskiy, Russia came in on July 30, 2025 at 23:31 UTC. Coming 5 hours after a magnitude 5.2 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-07-30 2025-07-30 23:29:37 UTC | 4.3mb | 160 km ESE of Petropavlovsk-Kamchatsky, Russia 52.416°, 160.746° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.3 seismic event took place 160 km ESE of Petropavlovsk-Kamchatsky, Russia on July 30, 2025 at 23:29 UTC. It arrived roughly 1 hours after a larger magnitude 5.8 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. | ||||||||
2025-07-30 2025-07-30 23:28:10 UTC | 4.6mb | 160 km S of Vilyuchinsk, Russia 51.520°, 158.855° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
On July 30, 2025, worldwide seismic activity registered a magnitude 4.6 earthquake 160 km S of Vilyuchinsk, Russia at 23:28 UTC. The event was offshore. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-07-30 2025-07-30 23:27:34 UTC | 3.1ml | 95 km SSE of Sand Point, Alaska 54.538°, -159.963° | 26.7 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 3.1 event was detected 95 km SSE of Sand Point, Alaska on July 30, 2025, with origin time 23:27 UTC. Coming 11 hours after a magnitude 3.3 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-07-30 2025-07-30 23:27:20 UTC | 5.0mb | 171 km ESE of Severo-Kuril’sk, Russia 49.983°, 158.276° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 5.0 earthquake 171 km ESE of Severo-Kuril’sk, Russia came in on July 30, 2025 at 23:27 UTC. See the M5.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-07-30 2025-07-30 23:23:11 UTC | 4.6mb | 185 km SSE of Vilyuchinsk, Russia 51.513°, 159.842° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 23:23 UTC on July 30, 2025, a magnitude 4.6 tremor occurred 185 km SSE of Vilyuchinsk, Russia. It arrived roughly 13 hours after a larger magnitude 6.1 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-07-30 2025-07-30 23:20:37 UTC | 5.0mb | 177 km ESE of Severo-Kuril’sk, Russia 49.894°, 158.300° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 5.0 seismic event took place 177 km ESE of Severo-Kuril’sk, Russia on July 30, 2025 at 23:20 UTC. See the M5.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-07-30 2025-07-30 23:19:25 UTC | 2.0ml | 78 km WNW of Tyonek, Alaska 61.304°, -152.504° | 3.6 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.0 earthquake 78 km WNW of Tyonek, Alaska came in on July 30, 2025 at 23:19 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.2 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 M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-07-30 2025-07-30 23:17:20 UTC | 5.0mb | 170 km SSE of Vilyuchinsk, Russia 51.549°, 159.500° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
July 30, 2025 brought a magnitude 5.0 earthquake 170 km SSE of Vilyuchinsk, Russia, logged at 23:17 UTC. It arrived roughly 6 hours after a larger magnitude 5.2 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M5.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-07-30 2025-07-30 23:15:30 UTC | 5.8mwb | 161 km ESE of Petropavlovsk-Kamchatsky, Russia 52.412°, 160.768° | 10.0 km | - | III | green | ✓ Reviewed | USGS → |
On July 30, 2025, worldwide seismic activity registered a magnitude 5.8 earthquake 161 km ESE of Petropavlovsk-Kamchatsky, Russia at 23:15 UTC. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. See the M5.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-07-30 2025-07-30 23:15:15 UTC | 2.2ml | 79 km WNW of Tyonek, Alaska 61.300°, -152.533° | 4.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.2 seismic event took place 79 km WNW of Tyonek, Alaska on July 30, 2025 at 23:15 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. | ||||||||
2025-07-30 2025-07-30 23:09:08 UTC | 4.4mb | Macquarie Island region -57.783°, 157.994° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On July 30, 2025, worldwide seismic activity registered a magnitude 4.4 earthquake in the Macquarie Island region at 23:09 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-07-30 2025-07-30 23:08:15 UTC | 4.4mb | 131 km SE of Severo-Kuril’sk, Russia 49.759°, 157.281° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 23:08 UTC on July 30, 2025, a magnitude 4.4 tremor occurred 131 km SE of Severo-Kuril’sk, Russia. It arrived roughly 7 hours after a larger magnitude 6.0 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-07-30 2025-07-30 22:53:48 UTC | 3.9mb | 206 km W of Langlois, Oregon 43.239°, -126.951° | 10.0 km | 4 | - | - | ✓ Reviewed | USGS → |
A magnitude 3.9 seismic event took place 206 km W of Langlois, Oregon on July 30, 2025 at 22:53 UTC. The event was offshore. See the M3.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-07-30 2025-07-30 22:51:37 UTC | 4.4mb | 163 km ESE of Petropavlovsk-Kamchatsky, Russia 52.295°, 160.685° | 24.7 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.4 earthquake 163 km ESE of Petropavlovsk-Kamchatsky, Russia at 22:51 UTC on July 30, 2025. This event falls inside the aftershock decay of a nearby magnitude 5.2 earthquake that occurred about 13 hours earlier. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-07-30 2025-07-30 22:51:20 UTC | 2.2md | 21 km NNW of San Simeon, CA 35.808°, -121.314° | 5.2 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.2 event was detected 21 km NNW of San Simeon, CA on July 30, 2025, with origin time 22:51 UTC. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-07-30 2025-07-30 22:51:03 UTC | 4.3mb | Macquarie Island region -57.700°, 157.833° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
July 30, 2025 brought a magnitude 4.3 earthquake in the Macquarie Island region, logged at 22:51 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-07-30 2025-07-30 22:48:20 UTC | 5.1mb | 159 km SE of Petropavlovsk-Kamchatsky, Russia 52.198°, 160.502° | 25.4 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 5.1 earthquake 159 km SE of Petropavlovsk-Kamchatsky, Russia at 22:48 UTC on July 30, 2025. This event falls inside the aftershock decay of a nearby magnitude 5.7 earthquake that occurred about 1 hours earlier. The event was offshore. See the M5.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-07-30 2025-07-30 22:43:06 UTC | 4.7mb | 168 km ESE of Severo-Kuril’sk, Russia 50.312°, 158.434° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.7 event was detected 168 km ESE of Severo-Kuril’sk, Russia on July 30, 2025, with origin time 22:43 UTC. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-07-30 2025-07-30 22:40:48 UTC | 2.5ml | 25 km SSW of Westbrook, Texas 32.134°, -101.082° | 8.4 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.5 seismic event took place 25 km SSW of Westbrook, Texas on July 30, 2025 at 22:40 UTC. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-07-30 2025-07-30 22:39:36 UTC | 4.6mb | 159 km SSE of Severo-Kuril’sk, Russia 49.286°, 156.686° | 19.9 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.6 earthquake 159 km SSE of Severo-Kuril’sk, Russia at 22:39 UTC on July 30, 2025. This event falls inside the aftershock decay of a nearby magnitude 4.9 earthquake that occurred about 10 hours earlier. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-07-30 2025-07-30 22:26:03 UTC | 4.9mb | 88 km SSE of Severo-Kuril’sk, Russia 49.926°, 156.532° | 69.1 km | - | - | - | ✓ Reviewed | USGS → |
On July 30, 2025 at 22:26 UTC, a magnitude 4.9 earthquake struck 88 km SSE of Severo-Kuril’sk, Russia. Coming 5 hours after a magnitude 5.3 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. | ||||||||
About This Page
This page shows all earthquakes recorded by the USGS Earthquake Hazards Program during the 24-hour UTC period on July 30, 2025. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.