Earthquakes on August 9, 2022
334
EARTHQUAKES on August 9, 2022
24-hour UTC period · USGS data
LARGEST: M5.7 — Off the coast of Aisen, Chile
10 km deep
Elevated activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
5
M4.0–4.9
29
M3.0–3.9
13
M2.0–2.9
81
M1.0–1.9
206
Activity Summary
334
Total earthquakes
~250
Daily average
Elevated
Activity level
5
M5.0+ events
Geographic Breakdown
By US State
Significant Earthquakes (M4.5+)
5.7
Off the coast of Aisen, Chile
10:37 UTC · 10.0 km deep
5.6
Banda Sea
12:59 UTC · 149.0 km deep
Felt by 4
5.2
West Chile Rise
17:53 UTC · 10.0 km deep
5.1
Off the coast of Aisen, Chile
11:04 UTC · 10.0 km deep
5.0
South Sandwich Islands region
18:39 UTC · 34.3 km deep
4.9
South Sandwich Islands region
16:51 UTC · 31.5 km deep
4.8
16 km SSW of San José de Jáchal, Argentina
22:28 UTC · 112.7 km deep
4.8
39 km WNW of Sumbawa Besar, Indonesia
13:04 UTC · 11.1 km deep
Earthquake Map — August 9, 2022

All Earthquakes — August 9, 2022
Showing 30 of 128 (filtered from 334)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2022-08-09 2022-08-09 23:48:06 UTC | 2.9ml | 193 km SE of Akutan, Alaska 52.740°, -164.028° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On August 9, 2022 at 23:48 UTC, a magnitude 2.9 earthquake struck 193 km SE of Akutan, Alaska. The event was offshore. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-09 2022-08-09 23:34:42 UTC | 2.2md | 2 km SW of Indios, Puerto Rico 17.977°, -66.841° | 16.4 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.2 earthquake 2 km SW of Indios, Puerto Rico with origin time 23:34 UTC on August 9, 2022. It arrived roughly 10 hours after a larger magnitude 3.8 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-09 2022-08-09 23:26:46 UTC | 2.6ml | 15 km NW of Stanley, Idaho 44.300°, -115.094° | 13.3 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.6 event was detected 15 km NW of Stanley, Idaho on August 9, 2022, with origin time 23:26 UTC. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-09 2022-08-09 22:46:27 UTC | 2.6md | 12 km S of Guánica, Puerto Rico 17.862°, -66.897° | 14.1 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.6 earthquake 12 km S of Guánica, Puerto Rico with origin time 22:46 UTC on August 9, 2022. It arrived roughly 10 hours after a larger magnitude 3.8 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. | ||||||||
2022-08-09 2022-08-09 22:28:51 UTC | 4.8mb | 16 km SSW of San José de Jáchal, Argentina -30.384°, -68.780° | 112.7 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.8 event was detected 16 km SSW of San José de Jáchal, Argentina on August 9, 2022, with origin time 22:28 UTC. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-09 2022-08-09 22:24:51 UTC | 2.1md | 7 km S of Indios, Puerto Rico 17.929°, -66.823° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On August 9, 2022 at 22:24 UTC, a magnitude 2.1 earthquake struck 7 km S of Indios, Puerto Rico. It arrived roughly 9 hours after a larger magnitude 3.8 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. | ||||||||
2022-08-09 2022-08-09 22:18:17 UTC | 2.8md | 13 km N of Levittown, Puerto Rico 18.569°, -66.181° | 72.6 km | - | - | - | ✓ Reviewed | USGS → |
On August 9, 2022, worldwide seismic activity registered a magnitude 2.8 earthquake 13 km N of Levittown, Puerto Rico at 22:18 UTC. The event was offshore. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-09 2022-08-09 21:54:42 UTC | 2.1ml | 5 km SW of Volcano, Hawaii 19.409°, -155.277° | 0.4 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.1 earthquake 5 km SW of Volcano, Hawaii with origin time 21:54 UTC on August 9, 2022. 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. | ||||||||
2022-08-09 2022-08-09 21:47:38 UTC | 4.3mb | 232 km SW of Bandar Lampung, Indonesia -6.656°, 103.551° | 22.1 km | - | - | - | ✓ Reviewed | USGS → |
On August 9, 2022 at 21:47 UTC, a magnitude 4.3 earthquake struck 232 km SW of Bandar Lampung, Indonesia. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-09 2022-08-09 21:43:20 UTC | 2.1md | 2 km SW of Indios, Puerto Rico 17.982°, -66.835° | 16.6 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.1 earthquake was recorded 2 km SW of Indios, Puerto Rico on August 9, 2022 at 21:43 UTC. It arrived roughly 9 hours after a larger magnitude 3.8 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. | ||||||||
2022-08-09 2022-08-09 21:37:53 UTC | 3.9ml | 83 km S of San Pedro de Atacama, Chile -23.663°, -68.266° | 116.8 km | - | - | - | ✓ Reviewed | USGS → |
At 21:37 UTC on August 9, 2022, a magnitude 3.9 tremor occurred 83 km S of San Pedro de Atacama, Chile. The event was offshore. See the M3.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-09 2022-08-09 21:21:11 UTC | 4.6mb | 185 km WSW of Nikolski, Alaska 52.208°, -171.316° | 30.6 km | - | II | - | ✓ Reviewed | USGS → |
A magnitude 4.6 earthquake was recorded 185 km WSW of Nikolski, Alaska on August 9, 2022 at 21:21 UTC. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-09 2022-08-09 21:14:13 UTC | 2.1md | 6 km ENE of P?hala, Hawaii 19.222°, -155.421° | 33.2 km | - | - | - | Auto | USGS → |
On August 9, 2022 at 21:14 UTC, a magnitude 2.1 earthquake struck 6 km ENE of P?hala, Hawaii. Coming 6 hours after a magnitude 2.2 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-09 2022-08-09 21:13:34 UTC | 2.1ml | 31 km SW of Cantwell, Alaska 63.188°, -149.384° | 82.4 km | - | - | - | ✓ Reviewed | USGS → |
On August 9, 2022, worldwide seismic activity registered a magnitude 2.1 earthquake 31 km SW of Cantwell, Alaska at 21:13 UTC. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-09 2022-08-09 20:29:12 UTC | 2.4ml | 96 km S of Lowell Point, Alaska 59.205°, -149.577° | 11.2 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.4 earthquake was recorded 96 km S of Lowell Point, Alaska on August 9, 2022 at 20:29 UTC. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-09 2022-08-09 20:12:01 UTC | 2.3md | 4 km SSW of Indios, Puerto Rico 17.964°, -66.840° | 7.5 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.3 earthquake 4 km SSW of Indios, Puerto Rico with origin time 20:12 UTC on August 9, 2022. Coming 7 hours after a magnitude 3.8 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-09 2022-08-09 20:09:21 UTC | 2.3md | 2 km SW of Indios, Puerto Rico 17.974°, -66.836° | 16.2 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.3 seismic event took place 2 km SW of Indios, Puerto Rico on August 9, 2022 at 20:09 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.8 earthquake that occurred about 7 hours earlier. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-09 2022-08-09 20:08:37 UTC | 2.1md | 3 km SW of Indios, Puerto Rico 17.976°, -66.842° | 17.7 km | - | - | - | ✓ Reviewed | USGS → |
At 20:08 UTC on August 9, 2022, a magnitude 2.1 tremor occurred 3 km SW of Indios, Puerto Rico. It arrived roughly 7 hours after a larger magnitude 3.8 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. | ||||||||
2022-08-09 2022-08-09 20:07:56 UTC | 2.8ml | 55 km S of Whites City, New Mexico 31.676°, -104.405° | 7.8 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.8 earthquake 55 km S of Whites City, New Mexico at 20:07 UTC on August 9, 2022. The event was offshore. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-09 2022-08-09 19:37:40 UTC | 3.3ml | 57 km ENE of Nikolski, Alaska 53.131°, -168.069° | 32.4 km | - | - | - | ✓ Reviewed | USGS → |
August 9, 2022 brought a magnitude 3.3 earthquake 57 km ENE of Nikolski, Alaska, logged at 19:37 UTC. See the M3.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-09 2022-08-09 19:18:24 UTC | 2.1ml | 49 km NE of Pedro Bay, Alaska 60.052°, -153.401° | 145.6 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.1 earthquake 49 km NE of Pedro Bay, Alaska at 19:18 UTC on August 9, 2022. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-09 2022-08-09 19:11:06 UTC | 2.0md | 2 km SW of Indios, Puerto Rico 17.982°, -66.837° | 15.7 km | - | - | - | ✓ Reviewed | USGS → |
On August 9, 2022, worldwide seismic activity registered a magnitude 2.0 earthquake 2 km SW of Indios, Puerto Rico at 19:11 UTC. It arrived roughly 6 hours after a larger magnitude 3.8 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-09 2022-08-09 18:49:19 UTC | 4.2mb | South Sandwich Islands region -55.319°, -29.472° | 52.7 km | - | - | - | ✓ Reviewed | USGS → |
At 18:49 UTC on August 9, 2022, a magnitude 4.2 tremor occurred in the South Sandwich Islands region. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-09 2022-08-09 18:39:44 UTC | 5.0mb | South Sandwich Islands region -55.219°, -28.883° | 34.3 km | - | - | - | ✓ Reviewed | USGS → |
At 18:39 UTC on August 9, 2022, a magnitude 5.0 tremor occurred in the South Sandwich Islands region. See the M5.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-09 2022-08-09 18:32:01 UTC | 2.5ml | 40km WSW of Ludlow, CA 34.623°, -116.576° | 7.9 km | - | - | - | ✓ Reviewed | USGS → |
At 18:32 UTC on August 9, 2022, a magnitude 2.5 tremor occurred 40km WSW of Ludlow, CA. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-09 2022-08-09 18:26:31 UTC | 2.1ml | 56 km S of Whites City, New Mexico 31.672°, -104.492° | 7.3 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.1 event was detected 56 km S of Whites City, New Mexico on August 9, 2022, with origin time 18:26 UTC. Coming 2 hours after a magnitude 2.7 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-09 2022-08-09 18:20:08 UTC | 2.4md | 2 km SW of Indios, Puerto Rico 17.979°, -66.838° | 15.6 km | - | - | - | ✓ Reviewed | USGS → |
At 18:20 UTC on August 9, 2022, a magnitude 2.4 tremor occurred 2 km SW of Indios, Puerto Rico. It arrived roughly 5 hours after a larger magnitude 3.8 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-09 2022-08-09 18:11:57 UTC | 2.3md | 4 km SW of Indios, Puerto Rico 17.967°, -66.850° | 18.6 km | - | - | - | ✓ Reviewed | USGS → |
On August 9, 2022, worldwide seismic activity registered a magnitude 2.3 earthquake 4 km SW of Indios, Puerto Rico at 18:11 UTC. It arrived roughly 5 hours after a larger magnitude 3.8 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-09 2022-08-09 17:58:59 UTC | 2.8md | 3 km SSW of Indios, Puerto Rico 17.968°, -66.837° | 16.5 km | - | - | - | ✓ Reviewed | USGS → |
At 17:58 UTC on August 9, 2022, a magnitude 2.8 tremor occurred 3 km SSW of Indios, Puerto Rico. It arrived roughly 5 hours after a larger magnitude 3.8 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-09 2022-08-09 17:53:33 UTC | 5.2mww | West Chile Rise -41.279°, -87.586° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 5.2 earthquake near West Chile Rise with origin time 17:53 UTC on August 9, 2022. See the M5.2 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 9, 2022. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.