Earthquakes on July 28, 2025
343
EARTHQUAKES on July 28, 2025
24-hour UTC period · USGS data
LARGEST: M7.0 — Macquarie Island region
31 km deep
Elevated activitycompared 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
By US State
Significant Earthquakes (M4.5+)
7.0
Macquarie Island region
22:10 UTC · 31.0 km deep
6.4
264 km WNW of Sabang, Indonesia
18:41 UTC · 21.0 km deep
Felt by 24
5.8
Macquarie Island region
22:15 UTC · 10.0 km deep
5.3
Macquarie Island region
22:20 UTC · 34.9 km deep
5.2
33 km NW of Rumonge, Burundi
13:38 UTC · 10.0 km deep
Felt by 18
5.2
20 km W of Hiroo, Japan
03:10 UTC · 58.0 km deep
Felt by 7
5.1
Macquarie Island region
22:18 UTC · 10.0 km deep
5.1
136 km ESE of Petropavlovsk-Kamchatsky, Russia
11:45 UTC · 10.0 km deep
Earthquake Map — July 28, 2025

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 ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2025-07-28 2025-07-28 23:47:52 UTC | 4.3mb | Macquarie Island region -57.619°, 157.954° | 39.6 km | - | - | - | ✓ Reviewed | USGS → |
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 km | 1 | - | - | ✓ Reviewed | USGS → |
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 | - | - | - | ✓ Reviewed | USGS → |
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 | - | - | - | ✓ Reviewed | USGS → |
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 | - | - | - | ✓ Reviewed | USGS → |
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 | - | - | - | ✓ Reviewed | USGS → |
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 | - | - | - | ✓ Reviewed | USGS → |
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 | - | - | - | ✓ Reviewed | USGS → |
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 | - | - | - | ✓ Reviewed | USGS → |
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 | - | - | - | ✓ Reviewed | USGS → |
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 | - | - | - | ✓ Reviewed | USGS → |
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 | - | - | - | ✓ Reviewed | USGS → |
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 | - | - | - | ✓ Reviewed | USGS → |
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 | - | - | - | ✓ Reviewed | USGS → |
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 | - | - | - | ✓ Reviewed | USGS → |
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 | - | - | - | ✓ Reviewed | USGS → |
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 | - | - | - | ✓ Reviewed | USGS → |
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 | - | - | - | ✓ Reviewed | USGS → |
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 | ✓ Reviewed | USGS → |
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 | - | - | - | ✓ Reviewed | USGS → |
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 | ✓ Reviewed | USGS → |
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 | - | III | green | ✓ Reviewed | USGS → |
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 | - | - | - | ✓ Reviewed | USGS → |
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 | - | - | - | ✓ Reviewed | USGS → |
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 km | 1 | - | - | ✓ Reviewed | USGS → |
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 | - | - | - | ✓ Reviewed | USGS → |
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 | - | - | - | ✓ Reviewed | USGS → |
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 | - | - | - | ✓ Reviewed | USGS → |
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 | - | - | - | ✓ Reviewed | USGS → |
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 | - | - | - | ✓ Reviewed | USGS → |
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.