Earthquakes on July 28, 2025

343
EARTHQUAKES on July 28, 2025
24-hour UTC period · USGS data
31 km deep
Elevated activity
compared to daily average (~250/day)

Magnitude Breakdown

M5.0+
10
M4.0–4.9
48
M3.0–3.9
17
M2.0–2.9
65
M1.0–1.9
203

Activity Summary

343
Total earthquakes
~250
Daily average
Elevated
Activity level
10
M5.0+ events

Geographic Breakdown

Top Countries (International)

Earthquake Map — July 28, 2025

Map showing earthquake epicenter at 20.00°, 0.00°

All Earthquakes — July 28, 2025

Showing 30 of 140 (filtered from 343)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
Time Mag Location Depth Felt MMIAlertStatusDetails
2025-07-28
2025-07-28 23:47:52 UTC
4.3mb
Macquarie Island region
-57.619°, 157.954°
39.6 km---✓ ReviewedUSGS →
A magnitude 4.3 seismic event took place in the Macquarie Island region on July 28, 2025 at 23:47 UTC. Coming 1 hours after a magnitude 4.9 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.
2025-07-28
2025-07-28 23:45:42 UTC
2.0md
9 km ENE of Milpitas, CA
37.466°, -121.811°
4.1 km1--✓ ReviewedUSGS →
A magnitude 2.0 seismic event took place 9 km ENE of Milpitas, CA on July 28, 2025 at 23:45 UTC. 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.
2025-07-28
2025-07-28 23:42:10 UTC
4.2mb
Macquarie Island region
-57.730°, 157.672°
33.5 km---✓ ReviewedUSGS →
On July 28, 2025, worldwide seismic activity registered a magnitude 4.2 earthquake in the Macquarie Island region at 23:42 UTC. This event falls inside the aftershock decay of a nearby magnitude 5.8 earthquake that occurred about 1 hours earlier. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-07-28
2025-07-28 23:40:21 UTC
4.3mb
Macquarie Island region
-57.675°, 157.488°
10.0 km---✓ ReviewedUSGS →
July 28, 2025 brought a magnitude 4.3 earthquake in the Macquarie Island region, logged at 23:40 UTC. It arrived roughly 1 hours after a larger magnitude 5.3 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.
2025-07-28
2025-07-28 23:34:24 UTC
4.3mb
Macquarie Island region
-57.581°, 157.503°
30.9 km---✓ ReviewedUSGS →
On July 28, 2025 at 23:34 UTC, a magnitude 4.3 earthquake struck in the Macquarie Island region. This event falls inside the aftershock decay of a nearby magnitude 5.1 earthquake that occurred about 1 hours earlier. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-07-28
2025-07-28 23:15:54 UTC
2.5ml
174 km WSW of Adak, Alaska
51.540°, -179.104°
72.9 km---✓ ReviewedUSGS →
At 23:15 UTC on July 28, 2025, a magnitude 2.5 tremor occurred 174 km WSW of Adak, Alaska. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-07-28
2025-07-28 23:12:07 UTC
4.2mb
80 km SW of Brisas Barra de Suchiate, Mexico
14.029°, -92.762°
10.0 km---✓ ReviewedUSGS →
At 23:12 UTC on July 28, 2025, a magnitude 4.2 tremor occurred 80 km SW of Brisas Barra de Suchiate, Mexico. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-07-28
2025-07-28 23:08:05 UTC
4.8mb
Macquarie Island region
-57.573°, 157.787°
32.9 km---✓ ReviewedUSGS →
At 23:08 UTC on July 28, 2025, a magnitude 4.8 tremor occurred in the Macquarie Island region. Coming 1 hours after a magnitude 4.9 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-07-28
2025-07-28 22:58:59 UTC
5.0mb
Macquarie Island region
-57.824°, 157.583°
10.0 km---✓ ReviewedUSGS →
A magnitude 5.0 seismic event took place in the Macquarie Island region on July 28, 2025 at 22:58 UTC. Coming 1 hours after a magnitude 5.8 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M5.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-07-28
2025-07-28 22:57:30 UTC
2.3ml
2 km SE of Lima, Montana
44.617°, -112.573°
8.5 km---✓ ReviewedUSGS →
The USGS recorded this magnitude 2.3 earthquake 2 km SE of Lima, Montana at 22:57 UTC on July 28, 2025. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-07-28
2025-07-28 22:49:43 UTC
4.6mb
Macquarie Island region
-57.850°, 157.672°
34.7 km---✓ ReviewedUSGS →
A magnitude 4.6 seismic event took place in the Macquarie Island region on July 28, 2025 at 22:49 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 M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-07-28
2025-07-28 22:48:54 UTC
4.5mb
Macquarie Island region
-57.595°, 157.906°
38.4 km---✓ ReviewedUSGS →
Seismographs logged a magnitude 4.5 earthquake in the Macquarie Island region with origin time 22:48 UTC on July 28, 2025. This event falls inside the aftershock decay of a nearby magnitude 4.9 earthquake that occurred about 1 hours earlier. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-07-28
2025-07-28 22:43:13 UTC
4.5mb
243 km SE of Hiroo, Japan
40.507°, 144.998°
10.0 km---✓ ReviewedUSGS →
On July 28, 2025, worldwide seismic activity registered a magnitude 4.5 earthquake 243 km SE of Hiroo, Japan at 22:43 UTC. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-07-28
2025-07-28 22:41:44 UTC
4.9mb
Macquarie Island region
-57.677°, 157.920°
16.8 km---✓ ReviewedUSGS →
On July 28, 2025 at 22:41 UTC, a magnitude 4.9 earthquake struck in the Macquarie Island region. This event falls inside the aftershock decay of a nearby magnitude 5.3 earthquake that occurred about 1 hours earlier. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-07-28
2025-07-28 22:37:56 UTC
4.4mb
Macquarie Island region
-57.679°, 157.782°
35.9 km---✓ ReviewedUSGS →
A magnitude 4.4 seismic event took place in the Macquarie Island region on July 28, 2025 at 22:37 UTC. This event falls inside the aftershock decay of a nearby magnitude 5.3 earthquake that occurred about 1 hours earlier. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-07-28
2025-07-28 22:32:23 UTC
4.1mb
160 km SSE of Amahai, Indonesia
-4.759°, 129.235°
205.0 km---✓ ReviewedUSGS →
On July 28, 2025, worldwide seismic activity registered a magnitude 4.1 earthquake 160 km SSE of Amahai, Indonesia at 22:32 UTC. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-07-28
2025-07-28 22:30:17 UTC
4.8mb
Macquarie Island region
-57.773°, 158.171°
36.9 km---✓ ReviewedUSGS →
The USGS recorded this magnitude 4.8 earthquake in the Macquarie Island region at 22:30 UTC on July 28, 2025. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-07-28
2025-07-28 22:29:00 UTC
2.6ml
27 km WSW of Denali Park, Alaska
63.647°, -149.438°
113.0 km---✓ ReviewedUSGS →
A magnitude 2.6 seismic event took place 27 km WSW of Denali Park, Alaska on July 28, 2025 at 22:29 UTC. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-07-28
2025-07-28 22:20:41 UTC
5.3mb
Macquarie Island region
-57.806°, 157.715°
34.9 km--green✓ ReviewedUSGS →
On July 28, 2025, worldwide seismic activity registered a magnitude 5.3 earthquake in the Macquarie Island region at 22:20 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. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. See the M5.3 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-07-28
2025-07-28 22:18:44 UTC
5.1mb
Macquarie Island region
-57.739°, 157.649°
10.0 km---✓ ReviewedUSGS →
This magnitude 5.1 event was detected in the Macquarie Island region on July 28, 2025, with origin time 22:18 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 M5.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-07-28
2025-07-28 22:15:20 UTC
5.8mb
Macquarie Island region
-57.907°, 157.619°
10.0 km--green✓ ReviewedUSGS →
Seismographs logged a magnitude 5.8 earthquake in the Macquarie Island region with origin time 22:15 UTC on July 28, 2025. In the 72 hours after this event, the USGS recorded 5 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. 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.
2025-07-28
2025-07-28 22:10:35 UTC
7.0mww
Macquarie Island region
-57.605°, 157.039°
31.0 km-IIIgreen✓ ReviewedUSGS →
On July 28, 2025 at 22:10 UTC, a magnitude 7.0 earthquake struck in the Macquarie Island region. A tsunami evaluation was automatically initiated given the magnitude and location. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. See the M7.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-07-28
2025-07-28 22:10:15 UTC
2.3ml
160 km S of False Pass, Alaska
53.415°, -163.524°
29.9 km---✓ ReviewedUSGS →
This magnitude 2.3 event was detected 160 km S of False Pass, Alaska on July 28, 2025, with origin time 22:10 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.6 earthquake that occurred about 1 hours earlier. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-07-28
2025-07-28 21:54:28 UTC
2.2ml
92 km SSE of Sand Point, Alaska
54.579°, -159.892°
17.7 km---✓ ReviewedUSGS →
Seismographs logged a magnitude 2.2 earthquake 92 km SSE of Sand Point, Alaska with origin time 21:54 UTC on July 28, 2025. This event falls inside the aftershock decay of a nearby magnitude 3.3 earthquake that occurred about 8 hours earlier. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-07-28
2025-07-28 21:49:50 UTC
3.0ml
11 km ENE of Georgetown, Idaho
42.523°, -111.244°
5.0 km1--✓ ReviewedUSGS →
On July 28, 2025, worldwide seismic activity registered a magnitude 3.0 earthquake 11 km ENE of Georgetown, Idaho at 21:49 UTC. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-07-28
2025-07-28 21:49:20 UTC
2.3ml
35 km WSW of Mentone, Texas
31.606°, -103.957°
8.4 km---✓ ReviewedUSGS →
Reports of a magnitude 2.3 earthquake 35 km WSW of Mentone, Texas came in on July 28, 2025 at 21:49 UTC. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-07-28
2025-07-28 21:45:16 UTC
4.4mb
28 km NW of Changji, China
44.178°, 87.046°
10.0 km---✓ ReviewedUSGS →
July 28, 2025 brought a magnitude 4.4 earthquake 28 km NW of Changji, China, logged at 21:45 UTC. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-07-28
2025-07-28 21:36:16 UTC
2.3ml
98 km S of Sand Point, Alaska
54.450°, -160.507°
25.8 km---✓ ReviewedUSGS →
A magnitude 2.3 seismic event took place 98 km S of Sand Point, Alaska on July 28, 2025 at 21:36 UTC. It arrived roughly 3 hours after a larger magnitude 3.1 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-07-28
2025-07-28 21:30:42 UTC
2.1ml
19 km SSE of Pāhala, Hawaii
19.049°, -155.381°
35.0 km---✓ ReviewedUSGS →
This magnitude 2.1 event was detected 19 km SSE of Pāhala, Hawaii on July 28, 2025, with origin time 21:30 UTC. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-07-28
2025-07-28 21:29:13 UTC
2.6ml
165 km S of False Pass, Alaska
53.364°, -163.490°
35.0 km---✓ ReviewedUSGS →
July 28, 2025 brought a magnitude 2.6 earthquake 165 km S of False Pass, Alaska, logged at 21:29 UTC. The event was offshore. See the M2.6 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 28, 2025. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.