Earthquakes on August 31, 2024
259
EARTHQUAKES on August 31, 2024
24-hour UTC period · USGS data
LARGEST: M5.0 — 33 km WNW of Coquimbo, Chile
27 km deep · 3 people felt it
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
2
M4.0–4.9
29
M3.0–3.9
12
M2.0–2.9
54
M1.0–1.9
162
Activity Summary
259
Total earthquakes
~250
Daily average
Normal
Activity level
2
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
5.0
33 km WNW of Coquimbo, Chile
13:04 UTC · 27.3 km deep
Felt by 3
5.0
135 km SW of Abepura, Indonesia
08:53 UTC · 49.9 km deep
4.9
36 km E of Miyazaki, Japan
13:04 UTC · 44.2 km deep
4.8
Balleny Islands region
19:57 UTC · 10.0 km deep
4.7
Bonin Islands, Japan region
02:41 UTC · 10.0 km deep
4.6
south of the Fiji Islands
16:41 UTC · 527.6 km deep
4.5
southeast of the Loyalty Islands
23:50 UTC · 35.0 km deep
4.5
21 km SSE of Hualien City, Taiwan
18:21 UTC · 24.5 km deep
Felt by 4
Earthquake Map — August 31, 2024
All Earthquakes — August 31, 2024
Showing 30 of 97 (filtered from 259)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2024-08-31 2024-08-31 23:50:33 UTC | 4.5mb | southeast of the Loyalty Islands -22.599°, 172.928° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.5 event was detected southeast of the Loyalty Islands on August 31, 2024, with origin time 23:50 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-08-31 2024-08-31 23:36:14 UTC | 2.9ml | 66 km ESE of Atka, Alaska 51.964°, -173.308° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.9 earthquake 66 km ESE of Atka, Alaska at 23:36 UTC on August 31, 2024. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-08-31 2024-08-31 23:24:20 UTC | 4.3mb | Vanuatu region -21.363°, 173.539° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 23:24 UTC on August 31, 2024, a magnitude 4.3 tremor occurred in the Vanuatu region. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-08-31 2024-08-31 22:45:51 UTC | 2.0ml | 5 km SSW of Volcano, Hawaii 19.395°, -155.250° | 1.7 km | - | - | - | ✓ Reviewed | USGS → |
On August 31, 2024 at 22:45 UTC, a magnitude 2.0 earthquake struck 5 km SSW of Volcano, Hawaii. It arrived roughly 13 hours after a larger magnitude 2.1 mainshock in the same 20 km area, placing it within the typical aftershock window. 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. | ||||||||
2024-08-31 2024-08-31 22:33:50 UTC | 2.2ml | 116 km S of Adak, Alaska 50.827°, -176.559° | 18.9 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.2 event was detected 116 km S of Adak, Alaska on August 31, 2024, with origin time 22:33 UTC. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-08-31 2024-08-31 22:28:37 UTC | 2.3ml | 220 km SSW of Adak, Alaska 50.075°, -177.948° | 26.7 km | - | - | - | ✓ Reviewed | USGS → |
August 31, 2024 brought a magnitude 2.3 earthquake 220 km SSW of Adak, Alaska, logged at 22:28 UTC. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-08-31 2024-08-31 22:25:12 UTC | 3.2ml | 63 km ESE of Denali Park, Alaska 63.561°, -147.700° | 7.0 km | 1 | - | - | ✓ Reviewed | USGS → |
August 31, 2024 brought a magnitude 3.2 earthquake 63 km ESE of Denali Park, Alaska, logged at 22:25 UTC. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-08-31 2024-08-31 22:21:37 UTC | 2.2md | 6 km SW of Yosemite Lakes, CA 37.147°, -119.805° | 21.3 km | - | - | - | ✓ Reviewed | USGS → |
On August 31, 2024, worldwide seismic activity registered a magnitude 2.2 earthquake 6 km SW of Yosemite Lakes, CA at 22:21 UTC. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-08-31 2024-08-31 21:55:27 UTC | 2.4ml | 94 km NW of Elfin Cove, Alaska 58.778°, -137.513° | 12.1 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.4 earthquake 94 km NW of Elfin Cove, Alaska at 21:55 UTC on August 31, 2024. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-08-31 2024-08-31 21:31:09 UTC | 2.8ml | 175 km SE of Akutan, Alaska 53.199°, -163.634° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.8 earthquake 175 km SE of Akutan, Alaska came in on August 31, 2024 at 21:31 UTC. The event was offshore. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-08-31 2024-08-31 21:16:47 UTC | 3.8md | 86 km SE of Boca de Yuma, Dominican Republic 17.786°, -68.069° | 39.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.8 earthquake was recorded 86 km SE of Boca de Yuma, Dominican Republic on August 31, 2024 at 21:16 UTC. The event was offshore. See the M3.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-08-31 2024-08-31 20:58:57 UTC | 4.2mb | 10 km E of Pomabamba, Peru -13.592°, -74.142° | 10.0 km | 1 | - | - | ✓ Reviewed | USGS → |
A magnitude 4.2 seismic event took place 10 km E of Pomabamba, Peru on August 31, 2024 at 20:58 UTC. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-08-31 2024-08-31 20:39:23 UTC | 2.0ml | 16 km N of Karluk, Alaska 57.714°, -154.475° | 49.8 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.0 earthquake was recorded 16 km N of Karluk, Alaska on August 31, 2024 at 20:39 UTC. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-08-31 2024-08-31 20:33:30 UTC | 3.0ml | 112 km SSW of Sand Point, Alaska 54.365°, -161.007° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
On August 31, 2024 at 20:33 UTC, a magnitude 3.0 earthquake struck 112 km SSW of Sand Point, Alaska. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-08-31 2024-08-31 20:13:21 UTC | 2.5ml | 98 km SSE of Sand Point, Alaska 54.538°, -159.823° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.5 earthquake was recorded 98 km SSE of Sand Point, Alaska on August 31, 2024 at 20:13 UTC. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-08-31 2024-08-31 19:57:40 UTC | 4.8mb | Balleny Islands region -64.430°, 174.803° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On August 31, 2024, worldwide seismic activity registered a magnitude 4.8 earthquake in the Balleny Islands region at 19:57 UTC. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-08-31 2024-08-31 19:51:22 UTC | 2.5ml | 58 km SSW of Unalaska, Alaska 53.424°, -167.000° | 19.2 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.5 earthquake 58 km SSW of Unalaska, Alaska with origin time 19:51 UTC on August 31, 2024. Coming 1 hours after a magnitude 2.6 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-08-31 2024-08-31 19:21:27 UTC | 3.4ml | 13 km SE of Wright, Wyoming 43.669°, -105.366° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
At 19:21 UTC on August 31, 2024, a magnitude 3.4 tremor occurred 13 km SE of Wright, Wyoming. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-08-31 2024-08-31 19:20:33 UTC | 2.6ml | 56 km SSW of Unalaska, Alaska 53.416°, -166.907° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.6 event was detected 56 km SSW of Unalaska, Alaska on August 31, 2024, with origin time 19:20 UTC. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-08-31 2024-08-31 19:18:37 UTC | 2.0ml | 43 km E of Atka, Alaska 52.139°, -173.565° | 13.4 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.0 earthquake 43 km E of Atka, Alaska with origin time 19:18 UTC on August 31, 2024. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-08-31 2024-08-31 19:09:29 UTC | 2.6ml | 23 km NW of Grapevine, CA 35.093°, -119.100° | 13.5 km | - | - | - | ✓ Reviewed | USGS → |
August 31, 2024 brought a magnitude 2.6 earthquake 23 km NW of Grapevine, CA, logged at 19:09 UTC. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-08-31 2024-08-31 19:01:09 UTC | 2.7ml | 68 km SE of Unalaska, Alaska 53.418°, -165.833° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
On August 31, 2024 at 19:01 UTC, a magnitude 2.7 earthquake struck 68 km SE of Unalaska, Alaska. Coming 18 hours after a magnitude 3.6 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-08-31 2024-08-31 18:54:56 UTC | 4.1mb | 32 km WNW of Coquimbo, Chile -29.818°, -71.639° | 32.0 km | - | - | - | ✓ Reviewed | USGS → |
On August 31, 2024, worldwide seismic activity registered a magnitude 4.1 earthquake 32 km WNW of Coquimbo, Chile at 18:54 UTC. Coming 6 hours after a magnitude 5.0 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-08-31 2024-08-31 18:33:39 UTC | 4.4mb | 76 km SSE of Koshima, Japan 29.567°, 130.729° | 37.3 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.4 earthquake was recorded 76 km SSE of Koshima, Japan on August 31, 2024 at 18:33 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-08-31 2024-08-31 18:21:42 UTC | 4.5mwr | 21 km SSE of Hualien City, Taiwan 23.803°, 121.699° | 24.5 km | 4 | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.5 earthquake 21 km SSE of Hualien City, Taiwan came in on August 31, 2024 at 18:21 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-08-31 2024-08-31 18:06:55 UTC | 4.3mb | 104 km W of Nadi, Fiji -17.921°, 176.442° | 10.3 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.3 earthquake 104 km W of Nadi, Fiji at 18:06 UTC on August 31, 2024. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-08-31 2024-08-31 18:02:10 UTC | 2.7ml | 26 km WSW of Lander, Wyoming 42.733°, -109.024° | 10.2 km | 1 | - | - | ✓ Reviewed | USGS → |
A magnitude 2.7 earthquake was recorded 26 km WSW of Lander, Wyoming on August 31, 2024 at 18:02 UTC. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-08-31 2024-08-31 17:50:45 UTC | 2.2ml | 10 km NE of Pāhala, Hawaii 19.260°, -155.401° | 30.6 km | - | - | - | Auto | USGS → |
A magnitude 2.2 earthquake was recorded 10 km NE of Pāhala, Hawaii on August 31, 2024 at 17:50 UTC. In the 72 hours after this event, the USGS recorded 5 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-08-31 2024-08-31 17:50:37 UTC | 2.3ml | Rat Islands, Aleutian Islands, Alaska 50.149°, 179.930° | 19.9 km | - | - | - | ✓ Reviewed | USGS → |
On August 31, 2024 at 17:50 UTC, a magnitude 2.3 earthquake struck near Rat Islands, Aleutian Islands, Alaska. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-08-31 2024-08-31 17:02:57 UTC | 2.8ml | 252 km W of Adak, Alaska 51.512°, 179.767° | 65.2 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.8 seismic event took place 252 km W of Adak, Alaska on August 31, 2024 at 17:02 UTC. The event was offshore. See the M2.8 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, 2024. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.