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 → |
A magnitude 2.3 earthquake was recorded 12 km S of Olancha, CA on July 30, 2025 at 23:57 UTC. 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 → |
On July 30, 2025, worldwide seismic activity registered a magnitude 4.6 earthquake 158 km SE of Petropavlovsk-Kamchatsky, Russia at 23:54 UTC. Coming 14 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 M4.6 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 → |
July 30, 2025 brought a magnitude 4.2 earthquake 179 km ESE of Ozernovskiy, Russia, logged at 23:51 UTC. Coming 2 hours after a magnitude 4.4 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 23:49:11 UTC | 4.9mb | 154 km SE of Petropavlovsk-Kamchatsky, Russia 52.166°, 160.374° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On July 30, 2025 at 23:49 UTC, a magnitude 4.9 earthquake struck 154 km SE of Petropavlovsk-Kamchatsky, Russia. Coming 2 hours after a magnitude 5.7 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. 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 → |
On July 30, 2025 at 23:39 UTC, a magnitude 4.2 earthquake struck 149 km ESE of Severo-Kuril’sk, Russia. It arrived roughly 9 hours after a larger magnitude 5.2 mainshock in the same 20 km area, placing it within the typical aftershock window. 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 → |
Reports of a magnitude 4.3 earthquake 255 km SE of Vilyuchinsk, Russia came in on July 30, 2025 at 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 → |
A magnitude 2.5 seismic event took place 102 km SSE of Sand Point, Alaska on July 30, 2025 at 23:33 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 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 → |
On July 30, 2025, worldwide seismic activity registered a magnitude 4.4 earthquake 195 km SSE of Vilyuchinsk, Russia at 23:33 UTC. Coming 14 hours after a magnitude 6.1 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. 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 → |
A magnitude 4.3 seismic event took place 157 km ESE of Ozernovskiy, Russia on July 30, 2025 at 23:31 UTC. It arrived roughly 5 hours after a larger magnitude 5.2 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 23:29:37 UTC | 4.3mb | 160 km ESE of Petropavlovsk-Kamchatsky, Russia 52.416°, 160.746° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
July 30, 2025 brought a magnitude 4.3 earthquake 160 km ESE of Petropavlovsk-Kamchatsky, Russia, logged at 23:29 UTC. This event falls inside the aftershock decay of a nearby magnitude 5.8 earthquake that occurred about 1 hours earlier. 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 → |
At 23:28 UTC on July 30, 2025, a magnitude 4.6 tremor occurred 160 km S of Vilyuchinsk, Russia. 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 → |
Reports of a magnitude 3.1 earthquake 95 km SSE of Sand Point, Alaska came in on July 30, 2025 at 23:27 UTC. It arrived roughly 11 hours after a larger magnitude 3.3 mainshock in the same 20 km area, placing it within the typical aftershock window. 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 → |
The USGS recorded this magnitude 4.6 earthquake 185 km SSE of Vilyuchinsk, Russia at 23:23 UTC on July 30, 2025. This event falls inside the aftershock decay of a nearby magnitude 6.1 earthquake that occurred about 13 hours earlier. 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 → |
A magnitude 2.0 seismic event took place 78 km WNW of Tyonek, Alaska on July 30, 2025 at 23:19 UTC. Coming 1 hours after a magnitude 2.2 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 M2.0 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 → |
July 30, 2025 brought a magnitude 2.2 earthquake 79 km WNW of Tyonek, Alaska, logged 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 → |
At 23:09 UTC on July 30, 2025, a magnitude 4.4 tremor occurred in the Macquarie Island region. 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 → |
The USGS recorded this magnitude 4.4 earthquake 131 km SE of Severo-Kuril’sk, Russia at 23:08 UTC on July 30, 2025. This event falls inside the aftershock decay of a nearby magnitude 6.0 earthquake that occurred about 7 hours earlier. 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 → |
July 30, 2025 brought a magnitude 3.9 earthquake 206 km W of Langlois, Oregon, logged 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 → |
This magnitude 4.4 event was detected 163 km ESE of Petropavlovsk-Kamchatsky, Russia on July 30, 2025, with origin time 22:51 UTC. Coming 13 hours after a magnitude 5.2 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. 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 → |
Reports of a magnitude 2.2 earthquake 21 km NNW of San Simeon, CA came in on July 30, 2025 at 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 → |
On July 30, 2025 at 22:51 UTC, a magnitude 4.3 earthquake struck in the Macquarie Island region. 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 → |
Reports of a magnitude 4.7 earthquake 168 km ESE of Severo-Kuril’sk, Russia came in on July 30, 2025 at 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 → |
July 30, 2025 brought a magnitude 2.5 earthquake 25 km SSW of Westbrook, Texas, logged 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 → |
This magnitude 4.6 event was detected 159 km SSE of Severo-Kuril’sk, Russia on July 30, 2025, with origin time 22:39 UTC. Coming 10 hours after a magnitude 4.9 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. 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 → |
A magnitude 4.9 earthquake was recorded 88 km SSE of Severo-Kuril’sk, Russia on July 30, 2025 at 22:26 UTC. It arrived roughly 5 hours after a larger magnitude 5.3 mainshock in the same 20 km area, placing it within the typical aftershock window. 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.