Earthquakes on July 30, 2025

500
EARTHQUAKES on July 30, 2025
24-hour UTC period · USGS data
10 km deep
Elevated activity
compared to daily average (~250/day)

Magnitude Breakdown

M5.0+
49
M4.0–4.9
269
M3.0–3.9
12
M2.0–2.9
42
M1.0–1.9
128

Activity Summary

500
Total earthquakes
~250
Daily average
Elevated
Activity level
49
M5.0+ events

Earthquake Map — July 30, 2025

Map showing earthquake epicenter at 20.00°, 0.00°

All Earthquakes — July 30, 2025

Showing 30 of 372 (filtered from 500)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
Time Mag Location Depth Felt MMIAlertStatusDetails
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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-IIIgreen✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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 km4--✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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.
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 30, 2025. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.