Earthquakes on August 23, 2022
293
EARTHQUAKES on August 23, 2022
24-hour UTC period · USGS data
45 km deep · 55 people felt it
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
7
M4.0–4.9
32
M3.0–3.9
27
M2.0–2.9
67
M1.0–1.9
160
Activity Summary
293
Total earthquakes
~250
Daily average
Normal
Activity level
7
M5.0+ events
Significant Earthquakes (M4.5+)
6.2
119 km S of Pagar Alam, Indonesia
14:31 UTC · 45.3 km deep
Felt by 55
5.9
Balleny Islands region
18:41 UTC · 10.0 km deep
5.4
Pacific-Antarctic Ridge
11:53 UTC · 10.0 km deep
5.4
Pacific-Antarctic Ridge
10:25 UTC · 10.0 km deep
5.1
183 km WSW of Bandar Lampung, Indonesia
19:46 UTC · 25.6 km deep
Felt by 1
5.1
87 km SSE of Pangai, Tonga
16:29 UTC · 17.1 km deep
5.0
153 km W of Tual, Indonesia
13:39 UTC · 87.8 km deep
4.8
43 km NNE of Kon Tum, Vietnam
07:08 UTC · 10.0 km deep
Felt by 5
Earthquake Map — August 23, 2022

All Earthquakes — August 23, 2022
Showing 30 of 133 (filtered from 293)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2022-08-23 2022-08-23 23:59:40 UTC | 2.1md | 11 km NE of P?hala, Hawaii 19.266°, -155.392° | 33.1 km | - | - | - | Auto | USGS → |
A magnitude 2.1 earthquake was recorded 11 km NE of P?hala, Hawaii on August 23, 2022 at 23:59 UTC. This event falls inside the aftershock decay of a nearby magnitude 4.0 earthquake that occurred about 19 hours earlier. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-23 2022-08-23 23:51:25 UTC | 2.5md | 1 km NW of Rincón, Puerto Rico 18.351°, -67.265° | 85.8 km | - | - | - | ✓ Reviewed | USGS → |
On August 23, 2022 at 23:51 UTC, a magnitude 2.5 earthquake struck 1 km NW of Rincón, Puerto Rico. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-23 2022-08-23 23:41:58 UTC | 2.7ml | 138 km WNW of Adak, Alaska 52.177°, -178.591° | 167.2 km | - | - | - | ✓ Reviewed | USGS → |
August 23, 2022 brought a magnitude 2.7 earthquake 138 km WNW of Adak, Alaska, logged at 23:41 UTC. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-23 2022-08-23 23:26:55 UTC | 4.2mb | 240 km E of Levuka, Fiji -18.092°, -178.407° | 579.6 km | - | - | - | ✓ Reviewed | USGS → |
On August 23, 2022, worldwide seismic activity registered a magnitude 4.2 earthquake 240 km E of Levuka, Fiji at 23:26 UTC. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-23 2022-08-23 22:58:44 UTC | 3.0ml | 21 km SSE of Waimea, Hawaii 19.861°, -155.566° | 24.2 km | 5 | - | - | ✓ Reviewed | USGS → |
On August 23, 2022, worldwide seismic activity registered a magnitude 3.0 earthquake 21 km SSE of Waimea, Hawaii at 22:58 UTC. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-23 2022-08-23 22:29:41 UTC | 2.7ml | 4 km S of Turtmann, Switzerland 46.260°, 7.700° | 8.2 km | 1 | - | - | ✓ Reviewed | USGS → |
On August 23, 2022 at 22:29 UTC, a magnitude 2.7 earthquake struck 4 km S of Turtmann, Switzerland. The event was offshore. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-23 2022-08-23 22:27:13 UTC | 2.6ml | 38 km SSE of False Pass, Alaska 54.519°, -163.258° | 16.4 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.6 earthquake 38 km SSE of False Pass, Alaska at 22:27 UTC on August 23, 2022. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-23 2022-08-23 22:22:51 UTC | 2.6ml | 55 km E of Juneau, Alaska 58.372°, -133.479° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.6 event was detected 55 km E of Juneau, Alaska on August 23, 2022, with origin time 22:22 UTC. Coming 5 hours after a magnitude 2.7 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. 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. | ||||||||
2022-08-23 2022-08-23 22:18:12 UTC | 2.9ml | 8 km NE of Ta`?, American Samoa -14.168°, -169.466° | 11.6 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.9 earthquake 8 km NE of Ta`?, American Samoa came in on August 23, 2022 at 22:18 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.7 earthquake that occurred about 20 hours earlier. The event was offshore. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-23 2022-08-23 22:16:37 UTC | 2.9ml | 9 km E of P?hala, Hawaii 19.193°, -155.385° | 32.3 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.9 event was detected 9 km E of P?hala, Hawaii on August 23, 2022, with origin time 22:16 UTC. It arrived roughly 17 hours after a larger magnitude 4.0 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-23 2022-08-23 22:09:16 UTC | 3.0md | 21 km W of Saint Croix, U.S. Virgin Islands 17.732°, -64.949° | 10.8 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 3.0 earthquake 21 km W of Saint Croix, U.S. Virgin Islands with origin time 22:09 UTC on August 23, 2022. The event was offshore. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-23 2022-08-23 22:00:56 UTC | 2.8ml | 9 km NNE of Ta`?, American Samoa -14.159°, -169.467° | 10.7 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.8 earthquake was recorded 9 km NNE of Ta`?, American Samoa on August 23, 2022 at 22:00 UTC. Coming 20 hours after a magnitude 3.7 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-23 2022-08-23 21:29:21 UTC | 4.4mb | Vanuatu region -14.428°, 172.672° | 605.7 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.4 earthquake in the Vanuatu region with origin time 21:29 UTC on August 23, 2022. This is the deepest earthquake in the current dataset — a deep-focus event. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-23 2022-08-23 21:11:15 UTC | 2.3ml | 5 km SSW of P?hala, Hawaii 19.159°, -155.501° | 33.8 km | - | - | - | Auto | USGS → |
August 23, 2022 brought a magnitude 2.3 earthquake 5 km SSW of P?hala, Hawaii, logged at 21:11 UTC. It arrived roughly 16 hours after a larger magnitude 4.0 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-23 2022-08-23 20:48:31 UTC | 2.3ml | 2 km S of P?hala, Hawaii 19.179°, -155.475° | 31.4 km | - | - | - | Auto | USGS → |
This magnitude 2.3 event was detected 2 km S of P?hala, Hawaii on August 23, 2022, with origin time 20:48 UTC. This event falls inside the aftershock decay of a nearby magnitude 4.0 earthquake that occurred about 16 hours earlier. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-23 2022-08-23 20:23:52 UTC | 2.3ml | 50 km E of Juneau, Alaska 58.352°, -133.568° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.3 earthquake was recorded 50 km E of Juneau, Alaska on August 23, 2022 at 20:23 UTC. Coming 3 hours after a magnitude 2.7 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. 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. | ||||||||
2022-08-23 2022-08-23 20:20:49 UTC | 3.2ml | 13 km NNE of Ta`?, American Samoa -14.128°, -169.461° | 14.5 km | - | - | - | ✓ Reviewed | USGS → |
On August 23, 2022, worldwide seismic activity registered a magnitude 3.2 earthquake 13 km NNE of Ta`?, American Samoa at 20:20 UTC. Coming 19 hours after a magnitude 3.7 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-23 2022-08-23 20:20:40 UTC | 2.4ml | 4 km SSE of P?hala, Hawaii 19.167°, -155.461° | 31.7 km | - | - | - | Auto | USGS → |
Reports of a magnitude 2.4 earthquake 4 km SSE of P?hala, Hawaii came in on August 23, 2022 at 20:20 UTC. This event falls inside the aftershock decay of a nearby magnitude 4.0 earthquake that occurred about 15 hours earlier. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-23 2022-08-23 20:18:01 UTC | 2.0ml | 86km E of Maneadero, B.C., MX 31.568°, -115.680° | 5.1 km | - | - | - | ✓ Reviewed | USGS → |
At 20:18 UTC on August 23, 2022, a magnitude 2.0 tremor occurred 86km E of Maneadero, B.C., MX. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-23 2022-08-23 20:08:50 UTC | 2.8ml | 18 km NNE of Ta`?, American Samoa -14.094°, -169.427° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.8 earthquake 18 km NNE of Ta`?, American Samoa with origin time 20:08 UTC on August 23, 2022. It arrived roughly 18 hours after a larger magnitude 3.7 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. | ||||||||
2022-08-23 2022-08-23 19:57:49 UTC | 2.5ml | 135 km WNW of Yakutat, Alaska 60.199°, -141.765° | 7.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.5 earthquake was recorded 135 km WNW of Yakutat, Alaska on August 23, 2022 at 19:57 UTC. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-23 2022-08-23 19:46:51 UTC | 5.1mb | 183 km WSW of Bandar Lampung, Indonesia -6.227°, 103.806° | 25.6 km | 1 | - | - | ✓ Reviewed | USGS → |
At 19:46 UTC on August 23, 2022, a magnitude 5.1 tremor occurred 183 km WSW of Bandar Lampung, Indonesia. See the M5.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-23 2022-08-23 19:39:41 UTC | 4.6mb | Ryukyu Islands, Japan 26.996°, 127.274° | 108.8 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.6 seismic event took place near Ryukyu Islands, Japan on August 23, 2022 at 19:39 UTC. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-23 2022-08-23 19:29:42 UTC | 2.0ml | 20 km WNW of Stanley, Idaho 44.311°, -115.157° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.0 earthquake 20 km WNW of Stanley, Idaho came in on August 23, 2022 at 19:29 UTC. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-23 2022-08-23 18:45:09 UTC | 4.6mb | Kermadec Islands region -31.308°, 179.956° | 397.6 km | - | - | - | ✓ Reviewed | USGS → |
August 23, 2022 brought a magnitude 4.6 earthquake in the Kermadec Islands region, logged at 18:45 UTC. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-23 2022-08-23 18:41:30 UTC | 5.9mww | Balleny Islands region -62.155°, 161.443° | 10.0 km | - | - | green | ✓ Reviewed | USGS → |
A magnitude 5.9 earthquake was recorded in the Balleny Islands region on August 23, 2022 at 18:41 UTC. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. See the M5.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-23 2022-08-23 18:34:10 UTC | 2.3ml | 46 km NE of Adak, Alaska 52.117°, -176.078° | 214.3 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.3 earthquake 46 km NE of Adak, Alaska with origin time 18:34 UTC on August 23, 2022. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-23 2022-08-23 18:33:04 UTC | 4.3mb | 230 km N of Saipan, Northern Mariana Islands 17.298°, 145.763° | 171.2 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.3 event was detected 230 km N of Saipan, Northern Mariana Islands on August 23, 2022, with origin time 18:33 UTC. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-23 2022-08-23 18:13:52 UTC | 2.2ml | 9 km ENE of P?hala, Hawaii 19.233°, -155.391° | 35.1 km | - | - | - | Auto | USGS → |
On August 23, 2022, worldwide seismic activity registered a magnitude 2.2 earthquake 9 km ENE of P?hala, Hawaii at 18:13 UTC. Coming 13 hours after a magnitude 4.0 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. | ||||||||
2022-08-23 2022-08-23 17:53:01 UTC | 4.6mb | Balleny Islands region -61.904°, 161.476° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On August 23, 2022 at 17:53 UTC, a magnitude 4.6 earthquake struck in the Balleny Islands region. See the M4.6 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 23, 2022. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.