Earthquakes on August 12, 2022
294
EARTHQUAKES on August 12, 2022
24-hour UTC period · USGS data
LARGEST: M5.4 — South Sandwich Islands region
47 km deep
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
4
M4.0–4.9
35
M3.0–3.9
13
M2.0–2.9
76
M1.0–1.9
166
Activity Summary
294
Total earthquakes
~250
Daily average
Normal
Activity level
4
M5.0+ events
Geographic Breakdown
By US State
Significant Earthquakes (M4.5+)
5.4
South Sandwich Islands region
06:18 UTC · 46.7 km deep
5.2
180 km NW of T?krah, Libya
21:31 UTC · 16.0 km deep
Felt by 4
5.2
10 km E of Zirándaro de los Chávez, Mexico
08:17 UTC · 71.7 km deep
Felt by 15
5.0
South Sandwich Islands region
07:42 UTC · 39.5 km deep
4.6
8 km SSW of Bantiqui, Philippines
22:49 UTC · 10.8 km deep
4.6
30 km SSE of Hasaki, Japan
12:11 UTC · 38.7 km deep
4.6
44 km WSW of Ashk?sham, Afghanistan
08:09 UTC · 143.4 km deep
4.6
161 km ESE of Biak, Indonesia
03:13 UTC · 35.5 km deep
Earthquake Map — August 12, 2022
All Earthquakes — August 12, 2022
Showing 30 of 128 (filtered from 294)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2022-08-12 2022-08-12 23:56:43 UTC | 2.6ml | 105 km SE of Sand Point, Alaska 54.557°, -159.552° | 32.7 km | - | - | - | ✓ Reviewed | USGS → |
August 12, 2022 brought a magnitude 2.6 earthquake 105 km SE of Sand Point, Alaska, logged at 23:56 UTC. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-12 2022-08-12 23:49:58 UTC | 3.1ml | 63 km W of Anchor Point, Alaska 59.853°, -152.951° | 111.1 km | 1 | - | - | ✓ Reviewed | USGS → |
A magnitude 3.1 seismic event took place 63 km W of Anchor Point, Alaska on August 12, 2022 at 23:49 UTC. The event was offshore. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-12 2022-08-12 23:36:00 UTC | 2.5ml | 77 km SE of False Pass, Alaska 54.318°, -162.636° | 24.7 km | - | - | - | ✓ Reviewed | USGS → |
At 23:36 UTC on August 12, 2022, a magnitude 2.5 tremor occurred 77 km SE of False Pass, Alaska. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-12 2022-08-12 23:28:36 UTC | 2.1md | 4 km ESE of Tallaboa Alta, Puerto Rico 18.036°, -66.663° | 17.8 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.1 event was detected 4 km ESE of Tallaboa Alta, Puerto Rico on August 12, 2022, with origin time 23:28 UTC. Coming 18 hours after a magnitude 2.8 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. | ||||||||
2022-08-12 2022-08-12 23:24:24 UTC | 2.4md | 5 km SSW of P?hala, Hawaii 19.159°, -155.500° | 34.2 km | - | - | - | Auto | USGS → |
Seismographs logged a magnitude 2.4 earthquake 5 km SSW of P?hala, Hawaii with origin time 23:24 UTC on August 12, 2022. This event falls inside the aftershock decay of a nearby magnitude 2.7 earthquake that occurred about 16 hours earlier. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-12 2022-08-12 23:16:21 UTC | 2.2md | 11 km ENE of P?hala, Hawaii 19.244°, -155.376° | 32.5 km | - | - | - | Auto | USGS → |
Reports of a magnitude 2.2 earthquake 11 km ENE of P?hala, Hawaii came in on August 12, 2022 at 23:16 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.7 earthquake that occurred about 16 hours earlier. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-12 2022-08-12 22:49:49 UTC | 4.6mb | 8 km SSW of Bantiqui, Philippines 10.856°, 124.379° | 10.8 km | - | - | - | ✓ Reviewed | USGS → |
At 22:49 UTC on August 12, 2022, a magnitude 4.6 tremor occurred 8 km SSW of Bantiqui, Philippines. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-12 2022-08-12 22:32:20 UTC | 2.7ml | 56 km S of Whites City, New Mexico 31.669°, -104.382° | 7.9 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.7 earthquake 56 km S of Whites City, New Mexico with origin time 22:32 UTC on August 12, 2022. Coming 19 hours after a magnitude 2.9 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. | ||||||||
2022-08-12 2022-08-12 21:31:50 UTC | 5.2mww | 180 km NW of T?krah, Libya 33.523°, 19.044° | 16.0 km | 4 | - | - | ✓ Reviewed | USGS → |
A magnitude 5.2 earthquake was recorded 180 km NW of T?krah, Libya on August 12, 2022 at 21:31 UTC. The event was offshore. See the M5.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-12 2022-08-12 21:24:58 UTC | 2.1ml | 3 km S of P?hala, Hawaii 19.174°, -155.481° | 31.0 km | - | - | - | Auto | USGS → |
Reports of a magnitude 2.1 earthquake 3 km S of P?hala, Hawaii came in on August 12, 2022 at 21:24 UTC. It arrived roughly 14 hours after a larger magnitude 2.7 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. | ||||||||
2022-08-12 2022-08-12 21:19:03 UTC | 3.0md | 14 km WNW of Rincón, Puerto Rico 18.397°, -67.370° | 13.3 km | 1 | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 3.0 earthquake 14 km WNW of Rincón, Puerto Rico with origin time 21:19 UTC on August 12, 2022. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-12 2022-08-12 21:04:24 UTC | 2.5md | Puerto Rico region 17.985°, -66.837° | 16.5 km | - | - | - | ✓ Reviewed | USGS → |
August 12, 2022 brought a magnitude 2.5 earthquake in the Puerto Rico region, logged at 21:04 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.1 earthquake that occurred about 19 hours earlier. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-12 2022-08-12 20:56:44 UTC | 2.5md | 5km W of Walker, CA 38.511°, -119.541° | 3.1 km | 2 | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.5 earthquake 5km W of Walker, CA at 20:56 UTC on August 12, 2022. It arrived roughly 17 hours after a larger magnitude 3.5 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 M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-12 2022-08-12 20:45:41 UTC | 4.2mb | 18 km N of Opotiki, New Zealand -37.845°, 177.289° | 79.5 km | - | - | - | ✓ Reviewed | USGS → |
August 12, 2022 brought a magnitude 4.2 earthquake 18 km N of Opotiki, New Zealand, logged at 20:45 UTC. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-12 2022-08-12 20:00:04 UTC | 4.0mb | 148 km W of Yachats, Oregon 44.483°, -125.948° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.0 earthquake 148 km W of Yachats, Oregon came in on August 12, 2022 at 20:00 UTC. The event was offshore. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-12 2022-08-12 19:54:11 UTC | 3.1ml | 68 km SW of Atka, Alaska 51.747°, -174.876° | 43.2 km | - | - | - | ✓ Reviewed | USGS → |
August 12, 2022 brought a magnitude 3.1 earthquake 68 km SW of Atka, Alaska, logged at 19:54 UTC. The event was offshore. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-12 2022-08-12 19:14:42 UTC | 3.1ml | off the coast of Oregon 43.292°, -126.667° | 14.8 km | - | - | - | ✓ Reviewed | USGS → |
On August 12, 2022 at 19:14 UTC, a magnitude 3.1 earthquake struck near off the coast of Oregon. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-12 2022-08-12 19:08:00 UTC | 4.3mwr | 85 km NNE of Antofagasta, Chile -22.980°, -69.983° | 47.9 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.3 seismic event took place 85 km NNE of Antofagasta, Chile on August 12, 2022 at 19:08 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-12 2022-08-12 19:01:25 UTC | 2.3ml | 89 km WSW of Preston, Nevada 38.650°, -116.035° | 6.1 km | - | - | - | ✓ Reviewed | USGS → |
On August 12, 2022 at 19:01 UTC, a magnitude 2.3 earthquake struck 89 km WSW of Preston, Nevada. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-12 2022-08-12 18:28:42 UTC | 2.6ml | 88 km SE of Akutan, Alaska 53.583°, -164.803° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
On August 12, 2022 at 18:28 UTC, a magnitude 2.6 earthquake struck 88 km SE of Akutan, Alaska. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-12 2022-08-12 18:25:47 UTC | 2.0ml | 10 km WSW of Westbrook, Texas 32.319°, -101.112° | 6.3 km | - | - | - | ✓ Reviewed | USGS → |
On August 12, 2022, worldwide seismic activity registered a magnitude 2.0 earthquake 10 km WSW of Westbrook, Texas at 18:25 UTC. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-12 2022-08-12 18:21:10 UTC | 4.2mb | 18 km SSW of Rasht, Iran 37.116°, 49.533° | 10.0 km | 2 | - | - | ✓ Reviewed | USGS → |
On August 12, 2022 at 18:21 UTC, a magnitude 4.2 earthquake struck 18 km SSW of Rasht, Iran. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-12 2022-08-12 18:07:22 UTC | 2.2ml | 87 km NNW of Karluk, Alaska 58.328°, -154.821° | 97.4 km | - | - | - | ✓ Reviewed | USGS → |
August 12, 2022 brought a magnitude 2.2 earthquake 87 km NNW of Karluk, Alaska, logged at 18:07 UTC. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-12 2022-08-12 18:02:17 UTC | 3.7mb | 345 km W of Adak, Alaska 51.770°, 178.378° | 102.0 km | - | - | - | ✓ Reviewed | USGS → |
On August 12, 2022 at 18:02 UTC, a magnitude 3.7 earthquake struck 345 km W of Adak, Alaska. The event was offshore. See the M3.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-12 2022-08-12 17:44:15 UTC | 4.0mb | Mariana Islands region 18.715°, 147.203° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.0 seismic event took place in the Mariana Islands region on August 12, 2022 at 17:44 UTC. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-12 2022-08-12 17:35:38 UTC | 4.3mb | Southern Xinjiang, China 40.952°, 77.991° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
August 12, 2022 brought a magnitude 4.3 earthquake near Southern Xinjiang, China, logged at 17:35 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-12 2022-08-12 17:21:28 UTC | 2.1md | 12 km ENE of P?hala, Hawaii 19.257°, -155.380° | 30.6 km | - | - | - | Auto | USGS → |
This magnitude 2.1 event was detected 12 km ENE of P?hala, Hawaii on August 12, 2022, with origin time 17:21 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.7 earthquake that occurred about 10 hours earlier. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-12 2022-08-12 17:01:53 UTC | 2.1ml | 35 km W of Denali Park, Alaska 63.678°, -149.620° | 121.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.1 earthquake 35 km W of Denali Park, Alaska came in on August 12, 2022 at 17:01 UTC. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-12 2022-08-12 16:47:46 UTC | 2.8ml | 68 km E of Port Alsworth, Alaska 60.144°, -153.093° | 108.0 km | - | - | - | ✓ Reviewed | USGS → |
August 12, 2022 brought a magnitude 2.8 earthquake 68 km E of Port Alsworth, Alaska, logged at 16:47 UTC. The event was offshore. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-12 2022-08-12 16:37:27 UTC | 2.6ml | 61 km S of Adak, Alaska 51.328°, -176.516° | 36.6 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.6 earthquake was recorded 61 km S of Adak, Alaska on August 12, 2022 at 16:37 UTC. The event was offshore. See the M2.6 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 12, 2022. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.