Earthquakes on August 31, 2022
278
EARTHQUAKES on August 31, 2022
24-hour UTC period · USGS data
LARGEST: M5.4 — south of the Fiji Islands
10 km deep
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
3
M4.0–4.9
34
M3.0–3.9
20
M2.0–2.9
56
M1.0–1.9
165
Activity Summary
278
Total earthquakes
~250
Daily average
Normal
Activity level
3
M5.0+ events
Geographic Breakdown
By US State
Significant Earthquakes (M4.5+)
5.4
south of the Fiji Islands
21:45 UTC · 10.0 km deep
5.4
14 km NW of Megálo Chorió, Greece
10:10 UTC · 10.9 km deep
Felt by 60
5.0
135 km NW of Naha, Japan
03:04 UTC · 10.0 km deep
4.8
south of the Fiji Islands
07:45 UTC · 563.5 km deep
4.7
17 km SSW of Chóra, Greece
09:56 UTC · 10.0 km deep
Felt by 21
4.6
south of the Mariana Islands
17:14 UTC · 35.0 km deep
Felt by 1
4.6
South Sandwich Islands region
15:50 UTC · 10.0 km deep
4.6
17 km WNW of Megálo Chorió, Greece
14:02 UTC · 10.0 km deep
Earthquake Map — August 31, 2022
All Earthquakes — August 31, 2022
Showing 30 of 113 (filtered from 278)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2022-08-31 2022-08-31 23:28:49 UTC | 2.7md | 15km ESE of Yosemite Valley, CA 37.667°, -119.431° | 16.3 km | 4 | - | - | ✓ Reviewed | USGS → |
On August 31, 2022 at 23:28 UTC, a magnitude 2.7 earthquake struck 15km ESE of Yosemite Valley, CA. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-31 2022-08-31 23:24:56 UTC | 3.1md | 59 km ENE of Cruz Bay, U.S. Virgin Islands 18.601°, -64.304° | 38.9 km | - | - | - | ✓ Reviewed | USGS → |
On August 31, 2022 at 23:24 UTC, a magnitude 3.1 earthquake struck 59 km ENE of Cruz Bay, U.S. Virgin Islands. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-31 2022-08-31 23:08:35 UTC | 2.1ml | 15 km SSE of Sunnyside, Utah 39.431°, -110.291° | -3.5 km | - | - | - | ✓ Reviewed | USGS → |
August 31, 2022 brought a magnitude 2.1 earthquake 15 km SSE of Sunnyside, Utah, logged at 23:08 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 M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-31 2022-08-31 23:05:47 UTC | 2.3ml | 9 km E of P?hala, Hawaii 19.191°, -155.387° | 32.0 km | - | - | - | Auto | USGS → |
On August 31, 2022, worldwide seismic activity registered a magnitude 2.3 earthquake 9 km E of P?hala, Hawaii at 23:05 UTC. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-31 2022-08-31 22:41:44 UTC | 3.3ml | 8km S of Ferndale, CA 40.505°, -124.256° | 26.2 km | 19 | II | - | ✓ Reviewed | USGS → |
At 22:41 UTC on August 31, 2022, a magnitude 3.3 tremor occurred 8km S of Ferndale, CA. The event was offshore. See the M3.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-31 2022-08-31 22:27:30 UTC | 2.2md | 7km ENE of Bonadelle Ranchos-Madera Ranchos, CA 37.016°, -119.803° | -0.6 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.2 earthquake 7km ENE of Bonadelle Ranchos-Madera Ranchos, CA came in on August 31, 2022 at 22:27 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-31 2022-08-31 22:24:18 UTC | 3.0ml | 14 km NNE of Ta`?, American Samoa -14.109°, -169.469° | 9.4 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 3.0 earthquake 14 km NNE of Ta`?, American Samoa with origin time 22:24 UTC on August 31, 2022. This event falls inside the aftershock decay of a nearby magnitude 3.8 earthquake that occurred about 8 hours earlier. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-31 2022-08-31 22:20:31 UTC | 4.4mb | 98 km NE of Kalianget, Indonesia -6.370°, 114.512° | 538.4 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.4 earthquake 98 km NE of Kalianget, Indonesia with origin time 22:20 UTC on August 31, 2022. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-31 2022-08-31 22:00:39 UTC | 3.7ml | 16 km NNE of Ta`?, American Samoa -14.097°, -169.453° | 11.6 km | - | - | - | ✓ Reviewed | USGS → |
August 31, 2022 brought a magnitude 3.7 earthquake 16 km NNE of Ta`?, American Samoa, logged at 22:00 UTC. 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. See the M3.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-31 2022-08-31 21:55:09 UTC | 3.0ml | 15 km NNE of Ta`?, American Samoa -14.103°, -169.469° | 11.5 km | - | - | - | ✓ Reviewed | USGS → |
On August 31, 2022, worldwide seismic activity registered a magnitude 3.0 earthquake 15 km NNE of Ta`?, American Samoa at 21:55 UTC. 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 M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-31 2022-08-31 21:45:05 UTC | 5.4mww | south of the Fiji Islands -21.564°, 175.600° | 10.0 km | - | III | green | ✓ Reviewed | USGS → |
On August 31, 2022 at 21:45 UTC, a magnitude 5.4 earthquake struck south of the Fiji Islands. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. It is the largest earthquake currently listed for worldwide seismic activity on August 31, 2022. See the M5.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-31 2022-08-31 21:25:31 UTC | 2.1md | 4 km SSW of Indios, Puerto Rico 17.960°, -66.840° | 13.8 km | - | - | - | ✓ Reviewed | USGS → |
On August 31, 2022 at 21:25 UTC, a magnitude 2.1 earthquake struck 4 km SSW of Indios, Puerto Rico. This event falls inside the aftershock decay of a nearby magnitude 2.5 earthquake that occurred about 17 hours earlier. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-31 2022-08-31 21:24:23 UTC | 2.9md | 54 km N of Charlotte Amalie, U.S. Virgin Islands 18.826°, -65.016° | 23.8 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.9 seismic event took place 54 km N of Charlotte Amalie, U.S. Virgin Islands on August 31, 2022 at 21:24 UTC. The event was offshore. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-31 2022-08-31 21:16:32 UTC | 2.3ml | Rat Islands, Aleutian Islands, Alaska 51.874°, 177.750° | 107.1 km | - | - | - | ✓ Reviewed | USGS → |
At 21:16 UTC on August 31, 2022, a magnitude 2.3 tremor occurred near Rat Islands, Aleutian Islands, Alaska. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-31 2022-08-31 21:13:01 UTC | 2.6ml | 83km ESE of Maneadero, B.C., MX 31.562°, -115.711° | 8.5 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.6 earthquake was recorded 83km ESE of Maneadero, B.C., MX on August 31, 2022 at 21:13 UTC. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-31 2022-08-31 20:58:51 UTC | 2.7ml | 151 km SSE of King Cove, Alaska 53.844°, -161.271° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.7 event was detected 151 km SSE of King Cove, Alaska on August 31, 2022, with origin time 20:58 UTC. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-31 2022-08-31 20:41:43 UTC | 4.4mb | 91 km NNW of Finschhafen, Papua New Guinea -5.839°, 147.445° | 108.5 km | - | - | - | ✓ Reviewed | USGS → |
On August 31, 2022, worldwide seismic activity registered a magnitude 4.4 earthquake 91 km NNW of Finschhafen, Papua New Guinea at 20:41 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-31 2022-08-31 20:38:16 UTC | 2.4ml | 23 km SSW of Mammoth, Wyoming 44.781°, -110.811° | 6.2 km | - | - | - | ✓ Reviewed | USGS → |
On August 31, 2022 at 20:38 UTC, a magnitude 2.4 earthquake struck 23 km SSW of Mammoth, Wyoming. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-31 2022-08-31 20:25:15 UTC | 2.8ml | 17 km NNE of Ta`?, American Samoa -14.093°, -169.449° | 11.0 km | - | - | - | ✓ Reviewed | USGS → |
At 20:25 UTC on August 31, 2022, a magnitude 2.8 tremor occurred 17 km NNE of Ta`?, American Samoa. This event falls inside the aftershock decay of a nearby magnitude 3.8 earthquake that occurred about 6 hours earlier. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-31 2022-08-31 20:23:00 UTC | 4.3mb | 37 km SSE of Atocha, Bolivia -21.262°, -66.130° | 266.1 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.3 earthquake was recorded 37 km SSE of Atocha, Bolivia on August 31, 2022 at 20:23 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-31 2022-08-31 20:14:19 UTC | 4.2mb | 79 km SSW of Arica, Chile -19.107°, -70.661° | 43.1 km | - | - | - | ✓ Reviewed | USGS → |
At 20:14 UTC on August 31, 2022, a magnitude 4.2 tremor occurred 79 km SSW of Arica, Chile. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-31 2022-08-31 19:59:50 UTC | 2.9ml | 14 km NNE of Ta`?, American Samoa -14.115°, -169.464° | 10.1 km | - | - | - | ✓ Reviewed | USGS → |
August 31, 2022 brought a magnitude 2.9 earthquake 14 km NNE of Ta`?, American Samoa, logged at 19:59 UTC. Coming 5 hours after a magnitude 3.8 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-31 2022-08-31 19:46:44 UTC | 2.0ml | 33 km SE of Mina, Nevada 38.145°, -117.887° | 10.4 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.0 seismic event took place 33 km SE of Mina, Nevada on August 31, 2022 at 19:46 UTC. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-31 2022-08-31 19:12:42 UTC | 2.0ml | 16 km ESE of Lacomb, Oregon 44.542°, -122.545° | 12.1 km | 2 | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.0 earthquake 16 km ESE of Lacomb, Oregon came in on August 31, 2022 at 19:12 UTC. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-31 2022-08-31 19:02:03 UTC | 2.2md | Island of Hawaii, Hawaii 19.237°, -155.430° | 37.0 km | - | - | - | Auto | USGS → |
The USGS recorded this magnitude 2.2 earthquake near Island of Hawaii, Hawaii at 19:02 UTC on August 31, 2022. Coming 4 hours after a magnitude 2.3 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-31 2022-08-31 18:43:21 UTC | 3.5ml | 120 km SW of Nikolski, Alaska 52.252°, -170.237° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.5 earthquake was recorded 120 km SW of Nikolski, Alaska on August 31, 2022 at 18:43 UTC. The event was offshore. See the M3.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-31 2022-08-31 18:41:19 UTC | 3.0ml | 17 km NNE of Ta`?, American Samoa -14.092°, -169.452° | 11.7 km | - | - | - | ✓ Reviewed | USGS → |
At 18:41 UTC on August 31, 2022, a magnitude 3.0 tremor occurred 17 km NNE of Ta`?, American Samoa. It arrived roughly 4 hours after a larger magnitude 3.8 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-31 2022-08-31 18:10:12 UTC | 4.4mb | 152 km ESE of Kokopo, Papua New Guinea -4.967°, 153.498° | 72.2 km | - | - | - | ✓ Reviewed | USGS → |
At 18:10 UTC on August 31, 2022, a magnitude 4.4 tremor occurred 152 km ESE of Kokopo, Papua New Guinea. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-31 2022-08-31 17:47:51 UTC | 4.2mb | 79 km SE of Ishinomaki, Japan 38.009°, 142.046° | 59.6 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.2 earthquake 79 km SE of Ishinomaki, Japan at 17:47 UTC on August 31, 2022. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-31 2022-08-31 17:20:30 UTC | 2.2ml | Southern Alaska 59.778°, -152.254° | 69.0 km | - | - | - | ✓ Reviewed | USGS → |
On August 31, 2022 at 17:20 UTC, a magnitude 2.2 earthquake struck near Southern Alaska. 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 31, 2022. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.