Earthquakes on July 23, 2025

382
EARTHQUAKES on July 23, 2025
24-hour UTC period · USGS data
142 km deep · 5 people felt it
Elevated activity
compared to daily average (~250/day)

Magnitude Breakdown

M5.0+
7
M4.0–4.9
48
M3.0–3.9
13
M2.0–2.9
85
M1.0–1.9
229

Activity Summary

382
Total earthquakes
~250
Daily average
Elevated
Activity level
7
M5.0+ events

Geographic Breakdown

Earthquake Map — July 23, 2025

Map showing earthquake epicenter at 20.00°, 0.00°

All Earthquakes — July 23, 2025

Showing 30 of 153 (filtered from 382)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
Time Mag Location Depth Felt MMIAlertStatusDetails
2025-07-23
2025-07-23 23:53:39 UTC
2.0ml
90 km S of Sand Point, Alaska
54.525°, -160.444°
25.7 km---✓ ReviewedUSGS →
Reports of a magnitude 2.0 earthquake 90 km S of Sand Point, Alaska came in on July 23, 2025 at 23:53 UTC. This event falls inside the aftershock decay of a nearby magnitude 4.3 earthquake that occurred about 19 hours earlier. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-07-23
2025-07-23 23:48:12 UTC
2.8ml
103 km SSE of Sand Point, Alaska
54.443°, -160.029°
29.4 km---✓ ReviewedUSGS →
On July 23, 2025, worldwide seismic activity registered a magnitude 2.8 earthquake 103 km SSE of Sand Point, Alaska at 23:48 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.6 earthquake that occurred about 21 hours earlier. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-07-23
2025-07-23 23:33:13 UTC
2.8ml
47 km ESE of Nikolski, Alaska
52.793°, -168.198°
51.5 km---✓ ReviewedUSGS →
At 23:33 UTC on July 23, 2025, a magnitude 2.8 tremor occurred 47 km ESE of Nikolski, Alaska. Coming 1 hours after a magnitude 3.4 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-07-23
2025-07-23 23:29:01 UTC
2.0ml
62 km ESE of Nikolski, Alaska
52.666°, -168.058°
24.7 km---✓ ReviewedUSGS →
A magnitude 2.0 seismic event took place 62 km ESE of Nikolski, Alaska on July 23, 2025 at 23:29 UTC. Coming 1 hours after a magnitude 3.1 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-07-23
2025-07-23 23:19:25 UTC
2.7ml
63 km WSW of Atka, Alaska
52.060°, -175.102°
88.3 km---✓ ReviewedUSGS →
A magnitude 2.7 seismic event took place 63 km WSW of Atka, Alaska on July 23, 2025 at 23:19 UTC. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-07-23
2025-07-23 23:09:23 UTC
2.0ml
53 km ESE of Nikolski, Alaska
52.760°, -168.124°
32.7 km---✓ ReviewedUSGS →
July 23, 2025 brought a magnitude 2.0 earthquake 53 km ESE of Nikolski, Alaska, logged at 23:09 UTC. It arrived roughly 1 hours after a larger magnitude 3.4 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.
2025-07-23
2025-07-23 23:06:12 UTC
3.4mb
42 km ESE of Nikolski, Alaska
52.818°, -168.259°
44.3 km---✓ ReviewedUSGS →
A magnitude 3.4 seismic event took place 42 km ESE of Nikolski, Alaska on July 23, 2025 at 23:06 UTC. In the 72 hours after this event, the USGS recorded 3 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-07-23
2025-07-23 23:05:37 UTC
3.1ml
55 km ESE of Nikolski, Alaska
52.694°, -168.145°
34.1 km---✓ ReviewedUSGS →
At 23:05 UTC on July 23, 2025, a magnitude 3.1 tremor occurred 55 km ESE of Nikolski, Alaska. In the 72 hours after this event, the USGS recorded 4 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-07-23
2025-07-23 22:55:33 UTC
4.3mb
21 km SW of Uken, Japan
28.146°, 129.102°
59.0 km---✓ ReviewedUSGS →
On July 23, 2025 at 22:55 UTC, a magnitude 4.3 earthquake struck 21 km SW of Uken, Japan. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-07-23
2025-07-23 22:43:07 UTC
2.8ml
89 km SSE of Sand Point, Alaska
54.625°, -159.833°
21.1 km---✓ ReviewedUSGS →
The USGS recorded this magnitude 2.8 earthquake 89 km SSE of Sand Point, Alaska at 22:43 UTC on July 23, 2025. It arrived roughly 20 hours after a larger magnitude 3.6 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-07-23
2025-07-23 22:29:13 UTC
2.9ml
96 km SSE of Sand Point, Alaska
54.502°, -160.101°
35.0 km---✓ ReviewedUSGS →
July 23, 2025 brought a magnitude 2.9 earthquake 96 km SSE of Sand Point, Alaska, logged at 22:29 UTC. It arrived roughly 20 hours after a larger magnitude 3.6 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-07-23
2025-07-23 22:21:05 UTC
3.5md
4 km SSW of Guánica, Puerto Rico
17.932°, -66.917°
9.0 km2--✓ ReviewedUSGS →
This magnitude 3.5 event was detected 4 km SSW of Guánica, Puerto Rico on July 23, 2025, with origin time 22:21 UTC. See the M3.5 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-07-23
2025-07-23 21:37:32 UTC
2.4ml
78 km NE of Tonopah, Nevada
38.465°, -116.491°
5.4 km---✓ ReviewedUSGS →
On July 23, 2025 at 21:37 UTC, a magnitude 2.4 earthquake struck 78 km NE of Tonopah, Nevada. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-07-23
2025-07-23 21:13:34 UTC
4.4mb
88 km ESE of Petropavlovsk-Kamchatsky, Russia
52.694°, 159.793°
72.2 km---✓ ReviewedUSGS →
Seismographs logged a magnitude 4.4 earthquake 88 km ESE of Petropavlovsk-Kamchatsky, Russia with origin time 21:13 UTC on July 23, 2025. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-07-23
2025-07-23 21:12:09 UTC
2.3md
0 km SE of La Parguera, Puerto Rico
17.969°, -67.041°
12.6 km---✓ ReviewedUSGS →
At 21:12 UTC on July 23, 2025, a magnitude 2.3 tremor occurred 0 km SE of La Parguera, Puerto Rico. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-07-23
2025-07-23 20:50:43 UTC
6.3mww
109 km W of Gorontalo, Indonesia
0.441°, 122.087°
142.0 km5IVgreen✓ ReviewedUSGS →
On July 23, 2025 at 20:50 UTC, a magnitude 6.3 earthquake struck 109 km W of Gorontalo, Indonesia. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. It is the largest earthquake currently listed for worldwide seismic activity on July 23, 2025. See the M6.3 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-07-23
2025-07-23 20:32:51 UTC
2.0ml
80 km SSE of Sand Point, Alaska
54.644°, -160.159°
16.1 km---✓ ReviewedUSGS →
On July 23, 2025 at 20:32 UTC, a magnitude 2.0 earthquake struck 80 km SSE of Sand Point, Alaska. This event falls inside the aftershock decay of a nearby magnitude 3.4 earthquake that occurred about 15 hours earlier. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-07-23
2025-07-23 20:11:26 UTC
2.2ml
10 km NNE of Delta, B.C., MX
32.439°, -115.156°
12.7 km---✓ ReviewedUSGS →
A magnitude 2.2 earthquake was recorded 10 km NNE of Delta, B.C., MX on July 23, 2025 at 20:11 UTC. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-07-23
2025-07-23 20:01:31 UTC
5.1mww
117 km SE of Petropavlovsk-Kamchatsky, Russia
52.480°, 160.087°
35.4 km---✓ ReviewedUSGS →
The USGS recorded this magnitude 5.1 earthquake 117 km SE of Petropavlovsk-Kamchatsky, Russia at 20:01 UTC on July 23, 2025. The event was offshore. See the M5.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-07-23
2025-07-23 19:52:12 UTC
2.7ml
48 km ESE of Nikolski, Alaska
52.736°, -168.220°
48.8 km---✓ ReviewedUSGS →
July 23, 2025 brought a magnitude 2.7 earthquake 48 km ESE of Nikolski, Alaska, logged at 19:52 UTC. In the 72 hours after this event, the USGS recorded 3 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-07-23
2025-07-23 19:37:41 UTC
2.1md
25 km W of Petrolia, CA
40.303°, -124.574°
13.7 km---✓ ReviewedUSGS →
At 19:37 UTC on July 23, 2025, a magnitude 2.1 tremor occurred 25 km W of Petrolia, CA. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-07-23
2025-07-23 19:30:44 UTC
4.5mb
157 km SE of Petropavlovsk-Kamchatsky, Russia
52.189°, 160.455°
10.0 km---✓ ReviewedUSGS →
This magnitude 4.5 event was detected 157 km SE of Petropavlovsk-Kamchatsky, Russia on July 23, 2025, with origin time 19:30 UTC. This event falls inside the aftershock decay of a nearby magnitude 4.6 earthquake that occurred about 1 hours earlier. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-07-23
2025-07-23 19:29:57 UTC
4.3mb
152 km SE of Petropavlovsk-Kamchatsky, Russia
52.237°, 160.420°
10.0 km---✓ ReviewedUSGS →
A magnitude 4.3 earthquake was recorded 152 km SE of Petropavlovsk-Kamchatsky, Russia on July 23, 2025 at 19:29 UTC. This event falls inside the aftershock decay of a nearby magnitude 4.6 earthquake that occurred about 1 hours earlier. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-07-23
2025-07-23 19:28:40 UTC
2.6ml
44 km ESE of Nikolski, Alaska
52.779°, -168.253°
60.3 km---✓ ReviewedUSGS →
The USGS recorded this magnitude 2.6 earthquake 44 km ESE of Nikolski, Alaska at 19:28 UTC on July 23, 2025. In the 72 hours after this event, the USGS recorded 3 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-07-23
2025-07-23 19:27:40 UTC
4.5mb
183 km W of Fakfak, Indonesia
-3.142°, 130.665°
38.4 km---✓ ReviewedUSGS →
Reports of a magnitude 4.5 earthquake 183 km W of Fakfak, Indonesia came in on July 23, 2025 at 19:27 UTC. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-07-23
2025-07-23 19:25:26 UTC
4.1mb
156 km E of Petropavlovsk-Kamchatsky, Russia
53.282°, 160.934°
35.0 km---✓ ReviewedUSGS →
July 23, 2025 brought a magnitude 4.1 earthquake 156 km E of Petropavlovsk-Kamchatsky, Russia, logged at 19:25 UTC. This event falls inside the aftershock decay of a nearby magnitude 4.3 earthquake that occurred about 10 hours earlier. The event was offshore. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-07-23
2025-07-23 19:21:28 UTC
2.4ml
52 km S of Glacier View, Alaska
61.332°, -147.663°
15.9 km1--✓ ReviewedUSGS →
A magnitude 2.4 earthquake was recorded 52 km S of Glacier View, Alaska on July 23, 2025 at 19:21 UTC. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-07-23
2025-07-23 19:17:49 UTC
4.3mb
161 km ESE of Petropavlovsk-Kamchatsky, Russia
52.384°, 160.736°
10.0 km---✓ ReviewedUSGS →
Seismographs logged a magnitude 4.3 earthquake 161 km ESE of Petropavlovsk-Kamchatsky, Russia with origin time 19:17 UTC on July 23, 2025. Coming 7 hours after a magnitude 4.6 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.
2025-07-23
2025-07-23 19:16:06 UTC
2.3ml
80 km SSE of Sand Point, Alaska
54.638°, -160.168°
6.7 km---✓ ReviewedUSGS →
The USGS recorded this magnitude 2.3 earthquake 80 km SSE of Sand Point, Alaska at 19:16 UTC on July 23, 2025. Coming 15 hours after a magnitude 4.3 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-07-23
2025-07-23 19:15:19 UTC
2.0ml
75 km S of Sand Point, Alaska
54.667°, -160.306°
13.1 km---✓ ReviewedUSGS →
A magnitude 2.0 earthquake was recorded 75 km S of Sand Point, Alaska on July 23, 2025 at 19:15 UTC. Coming 15 hours after a magnitude 4.3 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.0 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 23, 2025. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.