Earthquakes on August 29, 2025
222
EARTHQUAKES on August 29, 2025
24-hour UTC period · USGS data
LARGEST: M5.5 — 53 km E of Onagawa Chō, Japan
52 km deep · 25 people felt it
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
5
M4.0–4.9
34
M3.0–3.9
13
M2.0–2.9
35
M1.0–1.9
135
Activity Summary
222
Total earthquakes
~250
Daily average
Normal
Activity level
5
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
5.5
53 km E of Onagawa Chō, Japan
16:29 UTC · 51.7 km deep
Felt by 25
5.2
70 km ENE of Severo-Kuril’sk, Russia
22:58 UTC · 79.7 km deep
5.1
140 km SE of Petropavlovsk-Kamchatsky, Russia
23:53 UTC · 57.8 km deep
5.1
260 km W of Adak, Alaska
09:14 UTC · 81.3 km deep
5.0
83 km ENE of Petropavlovsk-Kamchatsky, Russia
23:48 UTC · 73.8 km deep
4.9
60 km E of Tomioka, Japan
16:51 UTC · 47.8 km deep
Felt by 1
4.9
190 km SSE of Vilyuchinsk, Russia
06:53 UTC · 10.0 km deep
4.8
211 km E of Severo-Kuril’sk, Russia
09:45 UTC · 10.0 km deep
Earthquake Map — August 29, 2025
All Earthquakes — August 29, 2025
Showing 30 of 87 (filtered from 222)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2025-08-29 2025-08-29 23:53:58 UTC | 5.1mb | 140 km SE of Petropavlovsk-Kamchatsky, Russia 52.154°, 160.061° | 57.8 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 5.1 earthquake 140 km SE of Petropavlovsk-Kamchatsky, Russia with origin time 23:53 UTC on August 29, 2025. The event was offshore. See the M5.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-29 2025-08-29 23:48:30 UTC | 5.0mww | 83 km ENE of Petropavlovsk-Kamchatsky, Russia 53.240°, 159.848° | 73.8 km | - | - | - | ✓ Reviewed | USGS → |
At 23:48 UTC on August 29, 2025, a magnitude 5.0 tremor occurred 83 km ENE of Petropavlovsk-Kamchatsky, Russia. See the M5.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-29 2025-08-29 23:39:48 UTC | 2.1md | 3 km SSW of Guánica, Puerto Rico 17.943°, -66.924° | 11.3 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.1 earthquake was recorded 3 km SSW of Guánica, Puerto Rico on August 29, 2025 at 23:39 UTC. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-29 2025-08-29 23:31:18 UTC | 2.7md | 24 km S of Esperanza, Puerto Rico 17.880°, -65.438° | 8.2 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.7 event was detected 24 km S of Esperanza, Puerto Rico on August 29, 2025, with origin time 23:31 UTC. The event was offshore. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-29 2025-08-29 23:19:54 UTC | 2.1ml | 36 km NW of Stanton, Texas 32.356°, -102.076° | 7.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.1 earthquake 36 km NW of Stanton, Texas with origin time 23:19 UTC on August 29, 2025. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-29 2025-08-29 23:16:49 UTC | 2.1ml | 93 km SSE of Sand Point, Alaska 54.549°, -159.972° | 23.7 km | - | - | - | ✓ Reviewed | USGS → |
On August 29, 2025, worldwide seismic activity registered a magnitude 2.1 earthquake 93 km SSE of Sand Point, Alaska at 23:16 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.2 earthquake that occurred about 13 hours earlier. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-29 2025-08-29 22:58:35 UTC | 5.2mb | 70 km ENE of Severo-Kuril’sk, Russia 50.886°, 157.073° | 79.7 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 5.2 earthquake was recorded 70 km ENE of Severo-Kuril’sk, Russia on August 29, 2025 at 22:58 UTC. See the M5.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-29 2025-08-29 22:57:29 UTC | 2.0ml | 5 km SW of Anza, CA 33.526°, -116.719° | 2.5 km | - | - | - | ✓ Reviewed | USGS → |
August 29, 2025 brought a magnitude 2.0 earthquake 5 km SW of Anza, CA, logged at 22:57 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. | ||||||||
2025-08-29 2025-08-29 22:12:17 UTC | 3.7ml | 264 km W of Adak, Alaska 51.596°, 179.566° | 76.9 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.7 earthquake was recorded 264 km W of Adak, Alaska on August 29, 2025 at 22:12 UTC. Coming 13 hours after a magnitude 5.1 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M3.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-29 2025-08-29 21:48:43 UTC | 4.6mb | 39 km N of Camiña, Chile -18.953°, -69.416° | 112.1 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.6 earthquake was recorded 39 km N of Camiña, Chile on August 29, 2025 at 21:48 UTC. The event was offshore. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-29 2025-08-29 21:40:35 UTC | 3.8ml | 15 km WNW of Huara, Chile -19.945°, -69.908° | 54.5 km | 4 | - | - | ✓ Reviewed | USGS → |
On August 29, 2025 at 21:40 UTC, a magnitude 3.8 earthquake struck 15 km WNW of Huara, Chile. See the M3.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-29 2025-08-29 21:31:41 UTC | 2.9ml | 34 km W of Cantwell, Alaska 63.430°, -149.629° | 3.4 km | - | - | - | ✓ Reviewed | USGS → |
On August 29, 2025, worldwide seismic activity registered a magnitude 2.9 earthquake 34 km W of Cantwell, Alaska at 21:31 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-29 2025-08-29 21:29:45 UTC | 4.3mb | Chagos Archipelago region -6.957°, 73.202° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.3 event was detected in the Chagos Archipelago region on August 29, 2025, with origin time 21:29 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-29 2025-08-29 21:07:17 UTC | 2.1ml | 95 km SSE of Sand Point, Alaska 54.587°, -159.772° | 13.2 km | - | - | - | ✓ Reviewed | USGS → |
At 21:07 UTC on August 29, 2025, a magnitude 2.1 tremor occurred 95 km SSE of Sand Point, Alaska. Coming 11 hours after a magnitude 2.2 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-29 2025-08-29 20:39:18 UTC | 2.0ml | 96 km SSE of Sand Point, Alaska 54.587°, -159.752° | 16.6 km | - | - | - | ✓ Reviewed | USGS → |
On August 29, 2025 at 20:39 UTC, a magnitude 2.0 earthquake struck 96 km SSE of Sand Point, Alaska. Coming 10 hours after a magnitude 2.2 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. | ||||||||
2025-08-29 2025-08-29 20:32:31 UTC | 2.3ml | 18 km N of Stanton, Texas 32.298°, -101.818° | 6.4 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.3 earthquake was recorded 18 km N of Stanton, Texas on August 29, 2025 at 20:32 UTC. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-29 2025-08-29 20:31:24 UTC | 2.1ml | 94 km SSE of Sand Point, Alaska 54.553°, -159.940° | 21.7 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.1 earthquake 94 km SSE of Sand Point, Alaska at 20:31 UTC on August 29, 2025. It arrived roughly 10 hours after a larger magnitude 2.2 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-29 2025-08-29 20:02:36 UTC | 3.0ml | 16 km ENE of Wright, Wyoming 43.834°, -105.319° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
On August 29, 2025 at 20:02 UTC, a magnitude 3.0 earthquake struck 16 km ENE of Wright, Wyoming. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-29 2025-08-29 20:00:48 UTC | 4.5mb | 218 km ESE of Severo-Kuril’sk, Russia 49.613°, 158.695° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.5 event was detected 218 km ESE of Severo-Kuril’sk, Russia on August 29, 2025, with origin time 20:00 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-29 2025-08-29 19:17:11 UTC | 4.3mb | 130 km N of Semera, Ethiopia 12.972°, 40.980° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.3 earthquake 130 km N of Semera, Ethiopia came in on August 29, 2025 at 19:17 UTC. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-29 2025-08-29 18:59:07 UTC | 4.4mb | Kermadec Islands region -31.182°, -178.623° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.4 earthquake was recorded in the Kermadec Islands region on August 29, 2025 at 18:59 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-29 2025-08-29 18:43:16 UTC | 4.1mb | 27 km SSW of Calingasta, Argentina -31.572°, -69.507° | 116.5 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.1 earthquake 27 km SSW of Calingasta, Argentina with origin time 18:43 UTC on August 29, 2025. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-29 2025-08-29 18:42:09 UTC | 4.5mb | 228 km NNE of Tobelo, Indonesia 3.726°, 128.538° | 60.5 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.5 earthquake 228 km NNE of Tobelo, Indonesia came in on August 29, 2025 at 18:42 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-29 2025-08-29 18:41:10 UTC | 2.0ml | 95 km SSE of Sand Point, Alaska 54.505°, -160.110° | 13.5 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.0 earthquake was recorded 95 km SSE of Sand Point, Alaska on August 29, 2025 at 18:41 UTC. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-29 2025-08-29 18:06:39 UTC | 2.0ml | 58 km SE of Ugashik, Alaska 57.187°, -156.629° | 8.7 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.0 earthquake 58 km SE of Ugashik, Alaska with origin time 18:06 UTC on August 29, 2025. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-29 2025-08-29 17:03:09 UTC | 4.2mb | 25 km SSE of Santa Lucía, Peru -15.919°, -70.550° | 192.6 km | - | - | - | ✓ Reviewed | USGS → |
On August 29, 2025 at 17:03 UTC, a magnitude 4.2 earthquake struck 25 km SSE of Santa Lucía, Peru. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-29 2025-08-29 17:00:35 UTC | 4.1mb | 50 km WSW of Mohr, Iran 27.419°, 52.396° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On August 29, 2025, worldwide seismic activity registered a magnitude 4.1 earthquake 50 km WSW of Mohr, Iran at 17:00 UTC. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-29 2025-08-29 17:00:06 UTC | 2.0ml | 4 km N of Milton, New York 43.074°, -73.859° | 0.0 km | 10 | - | - | ✓ Reviewed | USGS → |
On August 29, 2025, worldwide seismic activity registered a magnitude 2.0 earthquake 4 km N of Milton, New York at 17:00 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. | ||||||||
2025-08-29 2025-08-29 16:51:01 UTC | 4.9mww | 60 km E of Tomioka, Japan 37.296°, 141.700° | 47.8 km | 1 | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.9 earthquake 60 km E of Tomioka, Japan at 16:51 UTC on August 29, 2025. The event was offshore. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-08-29 2025-08-29 16:29:22 UTC | 5.5mww | 53 km E of Onagawa Chō, Japan 38.453°, 142.065° | 51.7 km | 25 | IV | green | ✓ Reviewed | USGS → |
On August 29, 2025 at 16:29 UTC, a magnitude 5.5 earthquake struck 53 km E of Onagawa Chō, Japan. 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 August 29, 2025. See the M5.5 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 August 29, 2025. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.