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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 activity
compared 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

Geographic Breakdown

Top Countries (International)

Northern Mariana Islands
3

Earthquake Map — August 23, 2022

Map showing earthquake epicenter at 20.00°, 0.00°

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 MMIAlertStatusDetails
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---AutoUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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 km5--✓ ReviewedUSGS →
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 km1--✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---AutoUSGS →
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---AutoUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---AutoUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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 km1--✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---AutoUSGS →
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---✓ ReviewedUSGS →
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.