Earthquakes on August 14, 2021
438
EARTHQUAKES on August 14, 2021
24-hour UTC period · USGS data
LARGEST: M7.2 — Nippes, Haiti
10 km deep · 366 people felt it
Elevated activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
28
M4.0–4.9
129
M3.0–3.9
22
M2.0–2.9
72
M1.0–1.9
187
Activity Summary
438
Total earthquakes
~250
Daily average
Elevated
Activity level
28
M5.0+ events
Geographic Breakdown
Top Countries (International)
Significant Earthquakes (M4.5+)
7.2
Nippes, Haiti
12:29 UTC · 10.0 km deep
Felt by 366
6.9
125 km SE of Perryville, Alaska
11:57 UTC · 20.7 km deep
Felt by 10
5.6
127 km SSE of ‘Ohonua, Tonga
09:50 UTC · 10.0 km deep
5.5
South Sandwich Islands region
21:42 UTC · 15.6 km deep
5.5
South Sandwich Islands region
10:00 UTC · 12.0 km deep
5.4
northern Mid-Atlantic Ridge
12:08 UTC · 10.0 km deep
5.4
South Sandwich Islands region
09:57 UTC · 10.0 km deep
5.3
South Sandwich Islands region
05:14 UTC · 70.7 km deep
Earthquake Map — August 14, 2021
All Earthquakes — August 14, 2021
Showing 30 of 251 (filtered from 438)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2021-08-14 2021-08-14 23:53:43 UTC | 5.0mb | South Sandwich Islands region -59.159°, -25.120° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 5.0 earthquake in the South Sandwich Islands region with origin time 23:53 UTC on August 14, 2021. This event falls inside the aftershock decay of a nearby magnitude 5.2 earthquake that occurred about 3 hours earlier. See the M5.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-08-14 2021-08-14 23:47:55 UTC | 2.1md | 11km W of Alder Springs, CA 39.664°, -122.856° | 2.6 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.1 earthquake was recorded 11km W of Alder Springs, CA on August 14, 2021 at 23:47 UTC. 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. | ||||||||
2021-08-14 2021-08-14 23:45:21 UTC | 2.1ml | 138 km SSE of Chignik, Alaska 55.251°, -157.202° | 25.0 km | - | - | - | ✓ Reviewed | USGS → |
At 23:45 UTC on August 14, 2021, a magnitude 2.1 tremor occurred 138 km SSE of Chignik, Alaska. It arrived roughly 5 hours after a larger magnitude 3.9 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. | ||||||||
2021-08-14 2021-08-14 23:42:54 UTC | 3.9ml | 2 km SE of P?hala, Hawaii 19.186°, -155.464° | 35.7 km | 19 | III | green | ✓ Reviewed | USGS → |
August 14, 2021 brought a magnitude 3.9 earthquake 2 km SE of P?hala, Hawaii, logged at 23:42 UTC. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. The event was offshore. See the M3.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-08-14 2021-08-14 23:37:39 UTC | 4.6mb | South Sandwich Islands region -57.962°, -23.638° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.6 earthquake in the South Sandwich Islands region came in on August 14, 2021 at 23:37 UTC. It arrived roughly 1 hours after a larger magnitude 4.9 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-08-14 2021-08-14 23:36:18 UTC | 4.9mb | South Sandwich Islands region -57.895°, -23.604° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.9 seismic event took place in the South Sandwich Islands region on August 14, 2021 at 23:36 UTC. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-08-14 2021-08-14 23:35:42 UTC | 2.6ml | 143 km SE of Perryville, Alaska 54.977°, -157.573° | 33.5 km | - | - | - | ✓ Reviewed | USGS → |
At 23:35 UTC on August 14, 2021, a magnitude 2.6 tremor occurred 143 km SE of Perryville, Alaska. Coming 10 hours after a magnitude 4.1 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-08-14 2021-08-14 23:33:02 UTC | 2.7ml | Rat Islands, Aleutian Islands, Alaska 51.839°, 178.413° | 123.5 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.7 earthquake near Rat Islands, Aleutian Islands, Alaska came in on August 14, 2021 at 23:33 UTC. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-08-14 2021-08-14 23:05:34 UTC | 4.3mb | South Sandwich Islands region -59.684°, -24.554° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.3 earthquake in the South Sandwich Islands region at 23:05 UTC on August 14, 2021. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-08-14 2021-08-14 22:53:10 UTC | 4.2mb | South Sandwich Islands region -55.453°, -27.346° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.2 earthquake in the South Sandwich Islands region came in on August 14, 2021 at 22:53 UTC. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-08-14 2021-08-14 22:41:39 UTC | 5.0mb | South Sandwich Islands region -58.051°, -25.237° | 16.4 km | - | - | - | ✓ Reviewed | USGS → |
On August 14, 2021, worldwide seismic activity registered a magnitude 5.0 earthquake in the South Sandwich Islands region at 22:41 UTC. See the M5.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-08-14 2021-08-14 22:31:28 UTC | 4.9mb | South Sandwich Islands region -56.570°, -25.640° | 17.3 km | - | - | - | ✓ Reviewed | USGS → |
August 14, 2021 brought a magnitude 4.9 earthquake in the South Sandwich Islands region, logged at 22:31 UTC. Coming 1 hours after a magnitude 5.5 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-08-14 2021-08-14 22:31:25 UTC | 4.4mb | 30 km W of Bukittinggi, Indonesia -0.322°, 100.099° | 131.7 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.4 earthquake was recorded 30 km W of Bukittinggi, Indonesia on August 14, 2021 at 22:31 UTC. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-08-14 2021-08-14 22:27:15 UTC | 4.9mb | South Sandwich Islands region -59.214°, -25.233° | 36.4 km | - | - | - | ✓ Reviewed | USGS → |
On August 14, 2021 at 22:27 UTC, a magnitude 4.9 earthquake struck in the South Sandwich Islands region. It arrived roughly 2 hours after a larger magnitude 5.2 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-08-14 2021-08-14 22:25:59 UTC | 2.6ml | 125 km SE of Perryville, Alaska 55.108°, -157.742° | 26.8 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.6 earthquake 125 km SE of Perryville, Alaska at 22:25 UTC on August 14, 2021. It arrived roughly 10 hours after a larger magnitude 6.9 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. | ||||||||
2021-08-14 2021-08-14 22:17:04 UTC | 4.7mb | South Sandwich Islands region -58.222°, -25.279° | 40.4 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.7 earthquake in the South Sandwich Islands region with origin time 22:17 UTC on August 14, 2021. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-08-14 2021-08-14 22:15:49 UTC | 2.2ml | 44 km NW of Toyah, Texas 31.613°, -104.113° | 7.3 km | - | - | - | ✓ Reviewed | USGS → |
At 22:15 UTC on August 14, 2021, a magnitude 2.2 tremor occurred 44 km NW of Toyah, Texas. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-08-14 2021-08-14 22:14:08 UTC | 4.5mwr | 15 km WSW of Corail, Haiti 18.527°, -74.026° | 16.1 km | - | - | - | ✓ Reviewed | USGS → |
On August 14, 2021 at 22:14 UTC, a magnitude 4.5 earthquake struck 15 km WSW of Corail, Haiti. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-08-14 2021-08-14 22:11:23 UTC | 2.1ml | 2 km SE of P?hala, Hawaii 19.184°, -155.458° | 33.2 km | - | - | - | Auto | USGS → |
A magnitude 2.1 earthquake was recorded 2 km SE of P?hala, Hawaii on August 14, 2021 at 22:11 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.3 earthquake that occurred about 9 hours earlier. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-08-14 2021-08-14 22:11:21 UTC | 2.6mb_lg | 11 km SE of Esbon, Kansas 39.734°, -98.357° | 5.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.6 event was detected 11 km SE of Esbon, Kansas on August 14, 2021, with origin time 22:11 UTC. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-08-14 2021-08-14 22:10:53 UTC | 4.1mb | 19 km SW of Corail, Haiti 18.433°, -74.011° | 10.0 km | 1 | - | - | ✓ Reviewed | USGS → |
A magnitude 4.1 seismic event took place 19 km SW of Corail, Haiti on August 14, 2021 at 22:10 UTC. The event was offshore. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-08-14 2021-08-14 22:09:19 UTC | 4.2mb | 170 km ESE of Pondaguitan, Philippines 6.029°, 127.681° | 10.4 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.2 seismic event took place 170 km ESE of Pondaguitan, Philippines on August 14, 2021 at 22:09 UTC. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-08-14 2021-08-14 21:57:15 UTC | 5.1mb | South Sandwich Islands region -56.581°, -25.803° | 12.1 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 5.1 earthquake in the South Sandwich Islands region at 21:57 UTC on August 14, 2021. It arrived roughly 1 hours after a larger magnitude 5.5 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M5.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-08-14 2021-08-14 21:56:04 UTC | 2.8ml | 127 km SE of Perryville, Alaska 55.068°, -157.786° | 47.3 km | - | - | - | ✓ Reviewed | USGS → |
At 21:56 UTC on August 14, 2021, a magnitude 2.8 tremor occurred 127 km SE of Perryville, Alaska. This event falls inside the aftershock decay of a nearby magnitude 6.9 earthquake that occurred about 10 hours earlier. The event was offshore. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-08-14 2021-08-14 21:47:33 UTC | 4.6mb | South Sandwich Islands region -56.620°, -26.076° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.6 seismic event took place in the South Sandwich Islands region on August 14, 2021 at 21:47 UTC. This event falls inside the aftershock decay of a nearby magnitude 4.9 earthquake that occurred about 8 hours earlier. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-08-14 2021-08-14 21:42:05 UTC | 5.5mww | South Sandwich Islands region -56.522°, -25.684° | 15.6 km | - | III | green | ✓ Reviewed | USGS → |
On August 14, 2021, worldwide seismic activity registered a magnitude 5.5 earthquake in the South Sandwich Islands region at 21:42 UTC. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. See the M5.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-08-14 2021-08-14 21:37:20 UTC | 4.5mb | South Sandwich Islands region -58.877°, -23.752° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.5 earthquake was recorded in the South Sandwich Islands region on August 14, 2021 at 21:37 UTC. It arrived roughly 4 hours after a larger magnitude 4.6 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-08-14 2021-08-14 21:16:10 UTC | 4.6mb | South Sandwich Islands region -58.653°, -24.918° | 26.8 km | - | - | - | ✓ Reviewed | USGS → |
August 14, 2021 brought a magnitude 4.6 earthquake in the South Sandwich Islands region, logged at 21:16 UTC. Coming 18 hours after a magnitude 5.3 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-08-14 2021-08-14 21:11:48 UTC | 4.2mb | South Sandwich Islands region -59.300°, -25.264° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
August 14, 2021 brought a magnitude 4.2 earthquake in the South Sandwich Islands region, logged at 21:11 UTC. This event falls inside the aftershock decay of a nearby magnitude 5.0 earthquake that occurred about 14 hours earlier. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-08-14 2021-08-14 20:54:43 UTC | 2.2ml | 55 km S of Whites City, New Mexico 31.680°, -104.411° | 6.7 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.2 earthquake 55 km S of Whites City, New Mexico at 20:54 UTC on August 14, 2021. The event was offshore. See the M2.2 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, 2021. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.