Earthquakes on August 14, 2023
261
EARTHQUAKES on August 14, 2023
24-hour UTC period · USGS data
LARGEST: M6.1 — Mariana Islands region
8 km deep · 9 people felt it
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
4
M4.0–4.9
28
M3.0–3.9
10
M2.0–2.9
48
M1.0–1.9
171
Activity Summary
261
Total earthquakes
~250
Daily average
Normal
Activity level
4
M5.0+ events
Significant Earthquakes (M4.5+)
6.1
Mariana Islands region
13:51 UTC · 8.0 km deep
Felt by 9
6.0
Prince Edward Islands region
10:39 UTC · 10.0 km deep
5.3
16 km NW of Karīmganj, India
14:49 UTC · 36.6 km deep
Felt by 163
5.0
101 km ESE of Akutan, Alaska
22:13 UTC · 36.5 km deep
4.9
19 km WNW of Valdivia, Colombia
15:55 UTC · 54.2 km deep
Felt by 4
4.9
southeast Indian Ridge
07:25 UTC · 10.0 km deep
4.8
295 km SSE of Port Blair, India
11:12 UTC · 10.0 km deep
4.6
60 km E of Awallan, Philippines
15:07 UTC · 10.5 km deep
Earthquake Map — August 14, 2023

All Earthquakes — August 14, 2023
Showing 30 of 90 (filtered from 261)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2023-08-14 2023-08-14 23:47:28 UTC | 2.2ml | 35 km N of Sutton-Alpine, Alaska 62.096°, -148.731° | 14.2 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.2 seismic event took place 35 km N of Sutton-Alpine, Alaska on August 14, 2023 at 23:47 UTC. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-08-14 2023-08-14 23:43:11 UTC | 4.1mb | 98 km WSW of Masachapa, Nicaragua 11.573°, -87.393° | 28.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.1 earthquake 98 km WSW of Masachapa, Nicaragua at 23:43 UTC on August 14, 2023. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-08-14 2023-08-14 23:14:00 UTC | 4.5mb | south of the Fiji Islands -23.222°, -179.888° | 553.2 km | - | - | - | ✓ Reviewed | USGS → |
On August 14, 2023 at 23:14 UTC, a magnitude 4.5 earthquake struck south of the Fiji Islands. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-08-14 2023-08-14 22:44:43 UTC | 2.3ml | 129 km SW of Yakutat, Alaska 58.849°, -141.538° | 2.7 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.3 earthquake was recorded 129 km SW of Yakutat, Alaska on August 14, 2023 at 22:44 UTC. 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. | ||||||||
2023-08-14 2023-08-14 22:40:43 UTC | 2.6ml | 9 km WSW of Williams, Arizona 35.218°, -112.292° | 5.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.6 earthquake 9 km WSW of Williams, Arizona came in on August 14, 2023 at 22:40 UTC. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-08-14 2023-08-14 22:28:26 UTC | 2.2md | 4 km WNW of Redway, CA 40.135°, -123.865° | 22.1 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.2 earthquake 4 km WNW of Redway, CA with origin time 22:28 UTC on August 14, 2023. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-08-14 2023-08-14 22:19:16 UTC | 3.1ml | 96 km ESE of Akutan, Alaska 53.728°, -164.474° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 3.1 earthquake 96 km ESE of Akutan, Alaska came in on August 14, 2023 at 22:19 UTC. This event falls inside the aftershock decay of a nearby magnitude 5.0 earthquake that occurred about 1 hours earlier. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-08-14 2023-08-14 22:15:55 UTC | 4.2mb | 100 km ESE of Akutan, Alaska 53.709°, -164.424° | 39.3 km | 1 | I | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.2 earthquake 100 km ESE of Akutan, Alaska with origin time 22:15 UTC on August 14, 2023. This event falls inside the aftershock decay of a nearby magnitude 5.0 earthquake that occurred about 1 hours earlier. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-08-14 2023-08-14 22:13:12 UTC | 5.0mww | 101 km ESE of Akutan, Alaska 53.714°, -164.412° | 36.5 km | - | II | - | ✓ Reviewed | USGS → |
On August 14, 2023, worldwide seismic activity registered a magnitude 5.0 earthquake 101 km ESE of Akutan, Alaska at 22:13 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 M5.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-08-14 2023-08-14 21:40:47 UTC | 2.4md | 8 km NNE of Round Valley, CA 37.475°, -118.555° | 7.5 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.4 event was detected 8 km NNE of Round Valley, CA on August 14, 2023, with origin time 21:40 UTC. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-08-14 2023-08-14 21:33:28 UTC | 4.3mb | 224 km ENE of Levuka, Fiji -17.355°, -178.699° | 552.9 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.3 seismic event took place 224 km ENE of Levuka, Fiji on August 14, 2023 at 21:33 UTC. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-08-14 2023-08-14 21:09:30 UTC | 2.6ml | 54 km S of Whites City, New Mexico 31.684°, -104.407° | 6.1 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.6 seismic event took place 54 km S of Whites City, New Mexico on August 14, 2023 at 21:09 UTC. It arrived roughly 8 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 M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-08-14 2023-08-14 20:49:12 UTC | 2.6ml | Southern Alaska 59.368°, -153.286° | 88.4 km | - | - | - | ✓ Reviewed | USGS → |
August 14, 2023 brought a magnitude 2.6 earthquake near Southern Alaska, logged at 20:49 UTC. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-08-14 2023-08-14 20:45:47 UTC | 2.1ml | 15 km ENE of Thomas, Oklahoma 35.792°, -98.582° | 10.2 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.1 earthquake 15 km ENE of Thomas, Oklahoma came in on August 14, 2023 at 20:45 UTC. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-08-14 2023-08-14 20:30:18 UTC | 2.1ml | 2 km WSW of Pāhala, Hawaii 19.194°, -155.504° | 35.5 km | - | - | - | Auto | USGS → |
August 14, 2023 brought a magnitude 2.1 earthquake 2 km WSW of Pāhala, Hawaii, logged at 20:30 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.2 earthquake that occurred about 3 hours earlier. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-08-14 2023-08-14 20:25:49 UTC | 2.9ml | 57 km SSW of Whites City, New Mexico 31.674°, -104.515° | 5.5 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.9 earthquake 57 km SSW of Whites City, New Mexico with origin time 20:25 UTC on August 14, 2023. It arrived roughly 8 hours after a larger magnitude 3.1 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-08-14 2023-08-14 20:03:36 UTC | 2.4ml | south of the Aleutian Islands 49.988°, 178.778° | 9.5 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.4 earthquake south of the Aleutian Islands came in on August 14, 2023 at 20:03 UTC. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-08-14 2023-08-14 19:31:13 UTC | 4.5mb | Kermadec Islands region -27.820°, -177.576° | 118.6 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.5 earthquake was recorded in the Kermadec Islands region on August 14, 2023 at 19:31 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-08-14 2023-08-14 19:22:19 UTC | 2.6ml | 33 km WSW of Birney, Montana 45.174°, -106.883° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
On August 14, 2023 at 19:22 UTC, a magnitude 2.6 earthquake struck 33 km WSW of Birney, Montana. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-08-14 2023-08-14 19:22:02 UTC | 4.3mb | south of the Fiji Islands -25.946°, 179.852° | 512.0 km | - | - | - | ✓ Reviewed | USGS → |
August 14, 2023 brought a magnitude 4.3 earthquake south of the Fiji Islands, logged at 19:22 UTC. This event falls inside the aftershock decay of a nearby magnitude 4.4 earthquake that occurred about 9 hours earlier. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-08-14 2023-08-14 18:31:56 UTC | 2.0ml | 4 km SW of Pāhala, Hawaii 19.173°, -155.500° | 32.0 km | - | - | - | Auto | USGS → |
On August 14, 2023 at 18:31 UTC, a magnitude 2.0 earthquake struck 4 km SW of Pāhala, Hawaii. Coming 1 hours after a magnitude 2.2 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. | ||||||||
2023-08-14 2023-08-14 18:27:35 UTC | 2.1ml | 3 km W of Pāhala, Hawaii 19.199°, -155.515° | 33.6 km | - | - | - | Auto | USGS → |
A magnitude 2.1 seismic event took place 3 km W of Pāhala, Hawaii on August 14, 2023 at 18:27 UTC. It arrived roughly 1 hours after a larger magnitude 2.2 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. | ||||||||
2023-08-14 2023-08-14 18:19:32 UTC | 4.2mb | 266 km ENE of Lospalos, Timor Leste -7.606°, 129.239° | 70.0 km | - | - | - | ✓ Reviewed | USGS → |
On August 14, 2023, worldwide seismic activity registered a magnitude 4.2 earthquake 266 km ENE of Lospalos, Timor Leste at 18:19 UTC. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-08-14 2023-08-14 18:17:09 UTC | 2.1ml | 21 km ESE of Skwentna, Alaska 61.931°, -151.017° | 64.6 km | - | - | - | ✓ Reviewed | USGS → |
At 18:17 UTC on August 14, 2023, a magnitude 2.1 tremor occurred 21 km ESE of Skwentna, Alaska. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-08-14 2023-08-14 17:50:40 UTC | 2.0md | 4 km SSW of Pāhala, Hawaii 19.164°, -155.487° | 33.0 km | - | - | - | Auto | USGS → |
At 17:50 UTC on August 14, 2023, a magnitude 2.0 tremor occurred 4 km SSW of Pāhala, Hawaii. It arrived roughly 1 hours after a larger magnitude 2.2 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-08-14 2023-08-14 17:28:28 UTC | 2.0ml | 147 km SSE of Perryville, Alaska 54.786°, -157.906° | 23.3 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.0 earthquake 147 km SSE of Perryville, Alaska at 17:28 UTC on August 14, 2023. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-08-14 2023-08-14 17:05:20 UTC | 2.2ml | 3 km S of Pāhala, Hawaii 19.170°, -155.481° | 34.3 km | - | - | - | Auto | USGS → |
On August 14, 2023, worldwide seismic activity registered a magnitude 2.2 earthquake 3 km S of Pāhala, Hawaii at 17:05 UTC. In the 72 hours after this event, the USGS recorded 4 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. | ||||||||
2023-08-14 2023-08-14 16:45:05 UTC | 3.4ml | 15 km NE of Amarillo, Texas 35.315°, -101.702° | 6.8 km | 17 | - | - | ✓ Reviewed | USGS → |
On August 14, 2023, worldwide seismic activity registered a magnitude 3.4 earthquake 15 km NE of Amarillo, Texas at 16:45 UTC. The event was offshore. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-08-14 2023-08-14 16:32:26 UTC | 4.3mb | Santa Cruz Islands -12.436°, 166.996° | 224.1 km | - | - | - | ✓ Reviewed | USGS → |
On August 14, 2023 at 16:32 UTC, a magnitude 4.3 earthquake struck near Santa Cruz Islands. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-08-14 2023-08-14 16:14:24 UTC | 2.0ml | 6 km SW of Volcano, Hawaii 19.408°, -155.285° | 1.1 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.0 earthquake was recorded 6 km SW of Volcano, Hawaii on August 14, 2023 at 16:14 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. | ||||||||
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 14, 2023. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.