Earthquakes on August 18, 2024
238
EARTHQUAKES on August 18, 2024
24-hour UTC period · USGS data
LARGEST: M5.2 — 51 km WNW of Arauco, Chile
12 km deep · 15 people felt it
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
2
M4.0–4.9
39
M3.0–3.9
13
M2.0–2.9
37
M1.0–1.9
147
Activity Summary
238
Total earthquakes
~250
Daily average
Normal
Activity level
2
M5.0+ events
Significant Earthquakes (M4.5+)
5.2
51 km WNW of Arauco, Chile
23:32 UTC · 11.9 km deep
Felt by 15
5.0
southeast of Easter Island
05:33 UTC · 10.0 km deep
4.9
19 km ESE of Nabire, Indonesia
15:27 UTC · 10.0 km deep
4.9
South Georgia Island region
08:52 UTC · 10.0 km deep
4.8
13 km W of Takahagi, Japan
15:50 UTC · 35.0 km deep
Felt by 16
4.8
Bonin Islands, Japan region
04:58 UTC · 10.0 km deep
4.7
southeast of the Loyalty Islands
17:07 UTC · 10.0 km deep
4.7
12 km ENE of Daigo, Japan
15:48 UTC · 35.0 km deep
Felt by 2
Earthquake Map — August 18, 2024

All Earthquakes — August 18, 2024
Showing 30 of 91 (filtered from 238)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2024-08-18 2024-08-18 23:52:50 UTC | 2.4md | 3 km SSW of Pāhala, Hawaii 19.172°, -155.497° | 32.4 km | - | - | - | Auto | USGS → |
A magnitude 2.4 earthquake was recorded 3 km SSW of Pāhala, Hawaii on August 18, 2024 at 23:52 UTC. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-08-18 2024-08-18 23:40:49 UTC | 2.1ml | 42 km NE of Chase, Alaska 62.669°, -149.416° | 59.4 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.1 earthquake 42 km NE of Chase, Alaska with origin time 23:40 UTC on August 18, 2024. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-08-18 2024-08-18 23:32:00 UTC | 5.2mww | 51 km WNW of Arauco, Chile -37.084°, -73.860° | 11.9 km | 15 | - | - | ✓ Reviewed | USGS → |
On August 18, 2024 at 23:32 UTC, a magnitude 5.2 earthquake struck 51 km WNW of Arauco, Chile. It is the largest earthquake currently listed for worldwide seismic activity on August 18, 2024. See the M5.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-08-18 2024-08-18 23:25:19 UTC | 3.8md | 85 km N of Cruz Bay, U.S. Virgin Islands 19.099°, -64.765° | 39.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 3.8 earthquake 85 km N of Cruz Bay, U.S. Virgin Islands with origin time 23:25 UTC on August 18, 2024. The event was offshore. See the M3.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-08-18 2024-08-18 23:12:00 UTC | 2.5ml | 75 km W of Atka, Alaska 52.124°, -175.296° | 13.7 km | - | - | - | ✓ Reviewed | USGS → |
On August 18, 2024 at 23:12 UTC, a magnitude 2.5 earthquake struck 75 km W of Atka, Alaska. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-08-18 2024-08-18 23:04:17 UTC | 2.0md | 8 km SSW of Pāhala, Hawaii 19.128°, -155.505° | 34.8 km | - | - | - | Auto | USGS → |
This magnitude 2.0 event was detected 8 km SSW of Pāhala, Hawaii on August 18, 2024, with origin time 23:04 UTC. Coming 17 hours after a magnitude 2.3 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. | ||||||||
2024-08-18 2024-08-18 22:57:18 UTC | 4.4mb | 53 km ENE of Shahrak-e Kūlūrī, Iran 32.548°, 48.993° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.4 earthquake 53 km ENE of Shahrak-e Kūlūrī, Iran at 22:57 UTC on August 18, 2024. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-08-18 2024-08-18 22:28:33 UTC | 2.3ml | 36 km WSW of Mentone, Texas 31.617°, -103.965° | 6.8 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.3 event was detected 36 km WSW of Mentone, Texas on August 18, 2024, with origin time 22:28 UTC. In the 72 hours after this event, the USGS recorded 3 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-08-18 2024-08-18 22:16:28 UTC | 4.3mb | south of Panama 4.828°, -82.775° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
August 18, 2024 brought a magnitude 4.3 earthquake south of Panama, logged at 22:16 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-08-18 2024-08-18 21:31:16 UTC | 4.6mb | 113 km W of Tual, Indonesia -5.547°, 131.731° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
August 18, 2024 brought a magnitude 4.6 earthquake 113 km W of Tual, Indonesia, logged at 21:31 UTC. The event was offshore. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-08-18 2024-08-18 21:19:34 UTC | 4.4mb | south of the Fiji Islands -23.650°, -179.717° | 532.2 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.4 event was detected south of the Fiji Islands on August 18, 2024, with origin time 21:19 UTC. This is the deepest earthquake in the current dataset — a deep-focus event. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-08-18 2024-08-18 21:19:12 UTC | 2.3ml | 5 km S of Princeton, Canada 49.411°, -120.504° | -0.5 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.3 earthquake 5 km S of Princeton, Canada at 21:19 UTC on August 18, 2024. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-08-18 2024-08-18 20:57:44 UTC | 2.5ml | 24 km NW of Grapevine, CA 35.106°, -119.099° | 13.9 km | 2 | - | - | ✓ Reviewed | USGS → |
This magnitude 2.5 event was detected 24 km NW of Grapevine, CA on August 18, 2024, with origin time 20:57 UTC. It arrived roughly 6 hours after a larger magnitude 2.5 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-08-18 2024-08-18 20:51:32 UTC | 4.2mb | 6 km WNW of Besao, Philippines 17.119°, 120.804° | 9.4 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.2 event was detected 6 km WNW of Besao, Philippines on August 18, 2024, with origin time 20:51 UTC. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-08-18 2024-08-18 20:48:36 UTC | 3.0ml | 122 km SSE of Sand Point, Alaska 54.341°, -159.677° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
On August 18, 2024, worldwide seismic activity registered a magnitude 3.0 earthquake 122 km SSE of Sand Point, Alaska at 20:48 UTC. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-08-18 2024-08-18 19:48:07 UTC | 2.5ml | Rat Islands, Aleutian Islands, Alaska 51.847°, 178.361° | 109.3 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.5 earthquake was recorded near Rat Islands, Aleutian Islands, Alaska on August 18, 2024 at 19:48 UTC. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-08-18 2024-08-18 19:28:19 UTC | 4.4mb | 28 km SE of Santa Gertrudis Miramar, Mexico 15.912°, -95.177° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.4 earthquake 28 km SE of Santa Gertrudis Miramar, Mexico came in on August 18, 2024 at 19:28 UTC. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-08-18 2024-08-18 19:26:19 UTC | 3.4ml | 181 km WSW of Adak, Alaska 51.333°, -179.104° | 25.2 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.4 seismic event took place 181 km WSW of Adak, Alaska on August 18, 2024 at 19:26 UTC. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-08-18 2024-08-18 19:15:08 UTC | 2.6ml | 161 km W of Adak, Alaska 51.636°, -178.939° | 95.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.6 seismic event took place 161 km W of Adak, Alaska on August 18, 2024 at 19:15 UTC. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-08-18 2024-08-18 18:44:00 UTC | 4.5mb | 157 km WNW of Tobelo, Indonesia 2.216°, 126.679° | 45.1 km | - | - | - | ✓ Reviewed | USGS → |
On August 18, 2024, worldwide seismic activity registered a magnitude 4.5 earthquake 157 km WNW of Tobelo, Indonesia at 18:44 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-08-18 2024-08-18 18:33:40 UTC | 4.4mb | 70 km WNW of Merredin, Australia -31.184°, 117.615° | 9.5 km | 3 | - | - | ✓ Reviewed | USGS → |
A magnitude 4.4 seismic event took place 70 km WNW of Merredin, Australia on August 18, 2024 at 18:33 UTC. It arrived roughly 1 hours after a larger magnitude 4.6 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-08-18 2024-08-18 18:15:19 UTC | 4.1mwr | 9 km ESE of Karlıova, Turkey 39.270°, 41.115° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.1 seismic event took place 9 km ESE of Karlıova, Turkey on August 18, 2024 at 18:15 UTC. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-08-18 2024-08-18 18:05:38 UTC | 4.6mb | 62 km WNW of Merredin, Australia -31.256°, 117.675° | 8.0 km | 15 | - | - | ✓ Reviewed | USGS → |
On August 18, 2024 at 18:05 UTC, a magnitude 4.6 earthquake struck 62 km WNW of Merredin, Australia. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-08-18 2024-08-18 17:50:11 UTC | 2.4ml | 6 km WSW of Kalaoa, Hawaii 19.700°, -156.035° | 15.0 km | - | - | - | ✓ Reviewed | USGS → |
On August 18, 2024, worldwide seismic activity registered a magnitude 2.4 earthquake 6 km WSW of Kalaoa, Hawaii at 17:50 UTC. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-08-18 2024-08-18 17:27:52 UTC | 2.4ml | 33 km S of Estacion Coahuila, B.C., MX 31.903°, -114.936° | 16.6 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.4 seismic event took place 33 km S of Estacion Coahuila, B.C., MX on August 18, 2024 at 17:27 UTC. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-08-18 2024-08-18 17:07:57 UTC | 4.7mb | southeast of the Loyalty Islands -23.488°, 171.560° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.7 event was detected southeast of the Loyalty Islands on August 18, 2024, with origin time 17:07 UTC. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-08-18 2024-08-18 16:24:27 UTC | 2.0ml | 103 km WSW of Adak, Alaska 51.468°, -177.987° | 25.7 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.0 earthquake 103 km WSW of Adak, Alaska came in on August 18, 2024 at 16:24 UTC. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-08-18 2024-08-18 15:58:57 UTC | 3.4md | 46 km N of Charlotte Amalie, U.S. Virgin Islands 18.765°, -64.966° | 53.7 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 3.4 earthquake 46 km N of Charlotte Amalie, U.S. Virgin Islands came in on August 18, 2024 at 15:58 UTC. The event was offshore. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-08-18 2024-08-18 15:50:49 UTC | 4.8mww | 13 km W of Takahagi, Japan 36.735°, 140.563° | 35.0 km | 16 | - | - | ✓ Reviewed | USGS → |
At 15:50 UTC on August 18, 2024, a magnitude 4.8 tremor occurred 13 km W of Takahagi, Japan. The event was offshore. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-08-18 2024-08-18 15:48:21 UTC | 4.7mb | 12 km ENE of Daigo, Japan 36.814°, 140.482° | 35.0 km | 2 | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.7 earthquake 12 km ENE of Daigo, Japan came in on August 18, 2024 at 15:48 UTC. See the M4.7 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 18, 2024. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.