Earthquakes on August 31, 2026
249
EARTHQUAKES on August 31, 2026
24-hour UTC period · USGS data
10 km deep
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
1
M4.0–4.9
29
M3.0–3.9
5
M2.0–2.9
36
M1.0–1.9
178
Activity Summary
249
Total earthquakes
~250
Daily average
Normal
Activity level
1
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
5.2
41 km NNE of Ruteng, Indonesia
08:03 UTC · 10.0 km deep
4.9
14 km ESE of Union, Philippines
04:04 UTC · 62.7 km deep
Felt by 2
4.8
178 km SE of Gizo, Solomon Islands
20:00 UTC · 10.0 km deep
4.7
2 km NW of Yanacancha, Peru
11:53 UTC · 10.0 km deep
Felt by 1
4.6
117 km SSW of Chirilagua, El Salvador
18:56 UTC · 35.0 km deep
4.6
30 km ESE of Kuril’sk, Russia
09:19 UTC · 140.6 km deep
4.5
South Sandwich Islands region
21:45 UTC · 90.6 km deep
4.5
71 km SSE of Yonakuni, Japan
08:51 UTC · 28.5 km deep
Earthquake Map — August 31, 2026
All Earthquakes — August 31, 2026
Showing 30 of 71 (filtered from 249)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2026-08-31 2026-08-31 23:35:57 UTC | 2.2ml | 45 km NNE of Spencer, Idaho 44.727°, -111.944° | 10.9 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.2 earthquake 45 km NNE of Spencer, Idaho with origin time 23:35 UTC on August 31, 2026. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-31 2026-08-31 23:16:53 UTC | 4.1mb | 95 km WNW of False Pass, Alaska 55.106°, -164.842° | 177.5 km | - | I | - | ✓ Reviewed | USGS → |
A magnitude 4.1 seismic event took place 95 km WNW of False Pass, Alaska on August 31, 2026 at 23:16 UTC. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-31 2026-08-31 23:05:19 UTC | 4.3mb | Komandorskiye Ostrova, Russia region 54.063°, 168.721° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.3 earthquake in the Komandorskiye Ostrova, Russia region at 23:05 UTC on August 31, 2026. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-31 2026-08-31 22:01:39 UTC | 4.4mb | 25 km NNE of Jalālābād, Afghanistan 34.630°, 70.584° | 49.3 km | - | - | - | ✓ Reviewed | USGS → |
On August 31, 2026 at 22:01 UTC, a magnitude 4.4 earthquake struck 25 km NNE of Jalālābād, Afghanistan. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-31 2026-08-31 21:45:56 UTC | 4.5mb | South Sandwich Islands region -55.967°, -27.598° | 90.6 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.5 event was detected in the South Sandwich Islands region on August 31, 2026, with origin time 21:45 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-31 2026-08-31 21:38:46 UTC | 2.9ml | 233 km W of Ferndale, California 40.682°, -127.021° | 16.3 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.9 event was detected 233 km W of Ferndale, California on August 31, 2026, with origin time 21:38 UTC. It arrived roughly 13 hours after a larger magnitude 4.4 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-31 2026-08-31 21:32:15 UTC | 4.3mb | 167 km NW of Sabang, Indonesia 6.923°, 94.209° | 56.5 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.3 event was detected 167 km NW of Sabang, Indonesia on August 31, 2026, with origin time 21:32 UTC. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-31 2026-08-31 21:30:16 UTC | 4.3mb | 52 km SW of Taltal, Chile -25.751°, -70.839° | 28.6 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.3 earthquake 52 km SW of Taltal, Chile came in on August 31, 2026 at 21:30 UTC. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-31 2026-08-31 21:28:43 UTC | 2.2ml | 36 km NNW of Toyah, Texas 31.607°, -103.972° | 8.7 km | - | - | - | ✓ Reviewed | USGS → |
On August 31, 2026, worldwide seismic activity registered a magnitude 2.2 earthquake 36 km NNW of Toyah, Texas at 21:28 UTC. Coming 12 hours after a magnitude 3.2 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-31 2026-08-31 20:43:50 UTC | 2.8ml | 22 km SW of Pinehill, New Mexico 34.841°, -108.572° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On August 31, 2026 at 20:43 UTC, a magnitude 2.8 earthquake struck 22 km SW of Pinehill, New Mexico. The event was offshore. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-31 2026-08-31 20:37:30 UTC | 3.0md | 31 km WSW of Stella, Puerto Rico 18.178°, -67.504° | 8.1 km | - | - | - | ✓ Reviewed | USGS → |
On August 31, 2026, worldwide seismic activity registered a magnitude 3.0 earthquake 31 km WSW of Stella, Puerto Rico at 20:37 UTC. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-31 2026-08-31 20:30:00 UTC | 2.0ml | 48 km W of Mentone, Texas 31.733°, -104.112° | 7.5 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.0 seismic event took place 48 km W of Mentone, Texas on August 31, 2026 at 20:30 UTC. Coming 11 hours after a magnitude 3.2 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. | ||||||||
2026-08-31 2026-08-31 20:00:29 UTC | 4.8mb | 178 km SE of Gizo, Solomon Islands -9.043°, 158.161° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.8 earthquake 178 km SE of Gizo, Solomon Islands with origin time 20:00 UTC on August 31, 2026. The event was offshore. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-31 2026-08-31 19:36:56 UTC | 4.2mb | 33 km WSW of Ashkāsham, Afghanistan 36.552°, 71.194° | 101.7 km | - | - | - | ✓ Reviewed | USGS → |
At 19:36 UTC on August 31, 2026, a magnitude 4.2 tremor occurred 33 km WSW of Ashkāsham, Afghanistan. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-31 2026-08-31 18:59:08 UTC | 2.4ml | 37 km WNW of Four Mile Road, Alaska 64.780°, -149.783° | 11.1 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.4 seismic event took place 37 km WNW of Four Mile Road, Alaska on August 31, 2026 at 18:59 UTC. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-31 2026-08-31 18:56:28 UTC | 4.6mb | 117 km SSW of Chirilagua, El Salvador 12.203°, -88.448° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
At 18:56 UTC on August 31, 2026, a magnitude 4.6 tremor occurred 117 km SSW of Chirilagua, El Salvador. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-31 2026-08-31 18:05:27 UTC | 4.4mb | West Chile Rise -36.879°, -95.864° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.4 earthquake was recorded near West Chile Rise on August 31, 2026 at 18:05 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-31 2026-08-31 18:00:41 UTC | 2.6md | 101 km W of Petrolia, CA 40.450°, -125.467° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.6 event was detected 101 km W of Petrolia, CA on August 31, 2026, with origin time 18:00 UTC. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-31 2026-08-31 17:44:50 UTC | 2.1ml | 57 km NW of Toyah, Texas 31.661°, -104.245° | 6.1 km | - | - | - | ✓ Reviewed | USGS → |
On August 31, 2026 at 17:44 UTC, a magnitude 2.1 earthquake struck 57 km NW of Toyah, Texas. It arrived roughly 8 hours after a larger magnitude 3.2 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-31 2026-08-31 17:15:43 UTC | 4.4mb | northern East Pacific Rise 10.010°, -103.923° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.4 earthquake near northern East Pacific Rise with origin time 17:15 UTC on August 31, 2026. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-31 2026-08-31 15:58:02 UTC | 2.1ml | 16 km NE of Milford, Utah 38.520°, -112.900° | 0.9 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.1 earthquake was recorded 16 km NE of Milford, Utah on August 31, 2026 at 15:58 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.1 earthquake that occurred about 11 hours earlier. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-31 2026-08-31 15:40:22 UTC | 4.3mb | 264 km SW of Ocós, Guatemala 12.584°, -93.643° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.3 seismic event took place 264 km SW of Ocós, Guatemala on August 31, 2026 at 15:40 UTC. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-31 2026-08-31 15:21:59 UTC | 4.3mb | 14 km WNW of Yasuj, Iran 30.714°, 51.442° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
August 31, 2026 brought a magnitude 4.3 earthquake 14 km WNW of Yasuj, Iran, logged at 15:21 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-31 2026-08-31 15:17:46 UTC | 2.1ml | 20 km SE of Pāhala, Hawaii 19.060°, -155.355° | 31.9 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.1 seismic event took place 20 km SE of Pāhala, Hawaii on August 31, 2026 at 15:17 UTC. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-31 2026-08-31 15:03:40 UTC | 2.3ml | 69 km SW of Nanwalek, Alaska 58.893°, -152.726° | 68.8 km | - | - | - | ✓ Reviewed | USGS → |
August 31, 2026 brought a magnitude 2.3 earthquake 69 km SW of Nanwalek, Alaska, logged at 15:03 UTC. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-31 2026-08-31 14:25:51 UTC | 4.2mb | 31 km NNE of Komodo, Indonesia -8.328°, 119.614° | 187.8 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.2 earthquake 31 km NNE of Komodo, Indonesia at 14:25 UTC on August 31, 2026. This event falls inside the aftershock decay of a nearby magnitude 4.3 earthquake that occurred about 6 hours earlier. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-31 2026-08-31 14:15:02 UTC | 2.3ml | 14 km WNW of Point MacKenzie, Alaska 61.424°, -150.213° | 8.0 km | 1 | - | - | ✓ Reviewed | USGS → |
On August 31, 2026 at 14:15 UTC, a magnitude 2.3 earthquake struck 14 km WNW of Point MacKenzie, Alaska. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-31 2026-08-31 14:07:43 UTC | 4.1mb | 20 km SSE of Andaray, Peru -15.970°, -72.802° | 110.9 km | - | - | - | ✓ Reviewed | USGS → |
August 31, 2026 brought a magnitude 4.1 earthquake 20 km SSE of Andaray, Peru, logged at 14:07 UTC. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-31 2026-08-31 13:11:05 UTC | 2.0ml | 7 km SW of Volcano, Hawaii 19.385°, -155.279° | 1.4 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.0 earthquake 7 km SW of Volcano, Hawaii came in on August 31, 2026 at 13:11 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. | ||||||||
2026-08-31 2026-08-31 12:01:17 UTC | 4.3mb | 40 km N of Ende, Indonesia -8.476°, 121.618° | 183.5 km | - | - | - | ✓ Reviewed | USGS → |
On August 31, 2026 at 12:01 UTC, a magnitude 4.3 earthquake struck 40 km N of Ende, Indonesia. The event was offshore. See the M4.3 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 31, 2026. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.