Earthquakes on October 23, 2022
286
EARTHQUAKES on October 23, 2022
24-hour UTC period · USGS data
LARGEST: M5.1 — 90 km WNW of Zangguy, China
10 km deep
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
3
M4.0–4.9
34
M3.0–3.9
8
M2.0–2.9
61
M1.0–1.9
180
Activity Summary
286
Total earthquakes
~250
Daily average
Normal
Activity level
3
M5.0+ events
Significant Earthquakes (M4.5+)
5.1
90 km WNW of Zangguy, China
15:06 UTC · 10.0 km deep
5.1
Halmahera, Indonesia
02:15 UTC · 231.7 km deep
5.1
Antofagasta, Chile
02:08 UTC · 108.0 km deep
Felt by 5
4.9
Izu Islands, Japan region
20:09 UTC · 12.8 km deep
4.9
Bonin Islands, Japan region
11:00 UTC · 521.0 km deep
4.7
85 km WNW of Zangguy, China
14:53 UTC · 10.0 km deep
4.7
13 km NNW of Otra Banda, Dominican Republic
05:05 UTC · 119.0 km deep
Felt by 18
4.6
Fiji region
19:19 UTC · 542.2 km deep
Earthquake Map — October 23, 2022
All Earthquakes — October 23, 2022
Showing 30 of 106 (filtered from 286)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2022-10-23 2022-10-23 23:43:18 UTC | 2.0md | 7 km ENE of P?hala, Hawaii 19.235°, -155.420° | 31.8 km | - | - | - | Auto | USGS → |
This magnitude 2.0 event was detected 7 km ENE of P?hala, Hawaii on October 23, 2022, with origin time 23:43 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. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-10-23 2022-10-23 23:40:19 UTC | 2.1md | 2 km W of P?hala, Hawaii 19.200°, -155.501° | 33.4 km | - | - | - | Auto | USGS → |
Seismographs logged a magnitude 2.1 earthquake 2 km W of P?hala, Hawaii with origin time 23:40 UTC on October 23, 2022. Coming 14 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. | ||||||||
2022-10-23 2022-10-23 23:35:26 UTC | 2.3ml | 22 km WNW of Volcano, Hawaii 19.498°, -155.437° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
On October 23, 2022 at 23:35 UTC, a magnitude 2.3 earthquake struck 22 km WNW of Volcano, Hawaii. This event falls inside the aftershock decay of a nearby magnitude 2.6 earthquake that occurred about 13 hours earlier. 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. | ||||||||
2022-10-23 2022-10-23 23:23:46 UTC | 2.2ml | 22 km WNW of Volcano, Hawaii 19.498°, -155.441° | -0.3 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.2 earthquake was recorded 22 km WNW of Volcano, Hawaii on October 23, 2022 at 23:23 UTC. It arrived roughly 13 hours after a larger magnitude 2.6 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 M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-10-23 2022-10-23 23:07:17 UTC | 4.3mb | 50 km NNW of Tilichiki, Russia 60.816°, 165.574° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.3 earthquake was recorded 50 km NNW of Tilichiki, Russia on October 23, 2022 at 23:07 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-10-23 2022-10-23 22:58:10 UTC | 4.2mb | 80 km WNW of Zangguy, China 37.508°, 77.897° | 19.0 km | - | - | - | ✓ Reviewed | USGS → |
On October 23, 2022 at 22:58 UTC, a magnitude 4.2 earthquake struck 80 km WNW of Zangguy, China. It arrived roughly 8 hours after a larger magnitude 5.1 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-10-23 2022-10-23 22:51:28 UTC | 4.1mb | Izu Islands, Japan region 31.369°, 141.702° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On October 23, 2022, worldwide seismic activity registered a magnitude 4.1 earthquake in the Izu Islands, Japan region at 22:51 UTC. It arrived roughly 3 hours after a larger magnitude 4.9 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-10-23 2022-10-23 22:38:31 UTC | 2.2md | 2 km N of Guayanilla, Puerto Rico 18.041°, -66.788° | 17.8 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.2 earthquake 2 km N of Guayanilla, Puerto Rico at 22:38 UTC on October 23, 2022. It arrived roughly 1 hours after a larger magnitude 2.5 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. | ||||||||
2022-10-23 2022-10-23 22:35:41 UTC | 4.4mb | Izu Islands, Japan region 31.351°, 141.841° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On October 23, 2022, worldwide seismic activity registered a magnitude 4.4 earthquake in the Izu Islands, Japan region at 22:35 UTC. This event falls inside the aftershock decay of a nearby magnitude 4.9 earthquake that occurred about 2 hours earlier. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-10-23 2022-10-23 22:31:03 UTC | 2.5md | 2 km N of Guayanilla, Puerto Rico 18.040°, -66.790° | 18.2 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.5 earthquake 2 km N of Guayanilla, Puerto Rico with origin time 22:31 UTC on October 23, 2022. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-10-23 2022-10-23 21:55:41 UTC | 2.2md | 1 km N of Guayanilla, Puerto Rico 18.035°, -66.790° | 17.9 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.2 earthquake 1 km N of Guayanilla, Puerto Rico came in on October 23, 2022 at 21:55 UTC. Coming 16 hours after a magnitude 2.5 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-10-23 2022-10-23 21:22:02 UTC | 4.4mb | 34 km W of Los Varela, Argentina -27.975°, -66.219° | 155.8 km | - | - | - | ✓ Reviewed | USGS → |
At 21:22 UTC on October 23, 2022, a magnitude 4.4 tremor occurred 34 km W of Los Varela, Argentina. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-10-23 2022-10-23 21:18:54 UTC | 2.2ml | western Texas 31.615°, -104.101° | 6.9 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.2 earthquake near western Texas with origin time 21:18 UTC on October 23, 2022. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-10-23 2022-10-23 21:07:46 UTC | 2.4ml | 5 km NNE of Toyah, Texas 31.358°, -103.761° | 9.7 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.4 event was detected 5 km NNE of Toyah, Texas on October 23, 2022, with origin time 21:07 UTC. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-10-23 2022-10-23 20:49:21 UTC | 2.0ml | 69 km W of Karluk, Alaska 57.684°, -155.602° | 81.3 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.0 seismic event took place 69 km W of Karluk, Alaska on October 23, 2022 at 20:49 UTC. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-10-23 2022-10-23 20:33:47 UTC | 2.6ml | 22 km NE of Ouzinkie, Alaska 58.073°, -152.259° | 33.9 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.6 seismic event took place 22 km NE of Ouzinkie, Alaska on October 23, 2022 at 20:33 UTC. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-10-23 2022-10-23 20:09:07 UTC | 4.9mww | Izu Islands, Japan region 31.350°, 141.803° | 12.8 km | - | - | - | ✓ Reviewed | USGS → |
On October 23, 2022, worldwide seismic activity registered a magnitude 4.9 earthquake in the Izu Islands, Japan region at 20:09 UTC. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-10-23 2022-10-23 19:46:38 UTC | 4.0mb | 72 km SSE of Burica, Panama 7.458°, -82.561° | 10.0 km | 1 | - | - | ✓ Reviewed | USGS → |
This magnitude 4.0 event was detected 72 km SSE of Burica, Panama on October 23, 2022, with origin time 19:46 UTC. It arrived roughly 19 hours after a larger magnitude 4.4 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-10-23 2022-10-23 19:41:09 UTC | 2.9md | Puerto Rico region 17.959°, -66.971° | 7.8 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.9 event was detected in the Puerto Rico region on October 23, 2022, with origin time 19:41 UTC. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-10-23 2022-10-23 19:35:38 UTC | 4.3mb | 183 km WSW of Abepura, Indonesia -2.924°, 139.012° | 42.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.3 earthquake 183 km WSW of Abepura, Indonesia with origin time 19:35 UTC on October 23, 2022. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-10-23 2022-10-23 19:28:44 UTC | 2.8ml | 48 km SW of Skwentna, Alaska 61.643°, -151.960° | 113.3 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.8 earthquake was recorded 48 km SW of Skwentna, Alaska on October 23, 2022 at 19:28 UTC. The event was offshore. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-10-23 2022-10-23 19:19:59 UTC | 4.6mb | Fiji region -20.474°, -178.440° | 542.2 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.6 earthquake in the Fiji region came in on October 23, 2022 at 19:19 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. | ||||||||
2022-10-23 2022-10-23 19:14:51 UTC | 2.5ml | 13 km WSW of Solomon, Alaska 64.532°, -164.726° | 6.8 km | - | - | - | ✓ Reviewed | USGS → |
On October 23, 2022, worldwide seismic activity registered a magnitude 2.5 earthquake 13 km WSW of Solomon, Alaska at 19:14 UTC. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-10-23 2022-10-23 19:01:25 UTC | 3.0md | 4 km NW of Hormigueros, Puerto Rico 18.165°, -67.157° | 25.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 3.0 earthquake 4 km NW of Hormigueros, Puerto Rico at 19:01 UTC on October 23, 2022. The event was offshore. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-10-23 2022-10-23 18:23:32 UTC | 2.0ml | 14 km W of Solomon, Alaska 64.583°, -164.743° | 1.8 km | - | - | - | ✓ Reviewed | USGS → |
October 23, 2022 brought a magnitude 2.0 earthquake 14 km W of Solomon, Alaska, logged at 18:23 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-10-23 2022-10-23 18:17:14 UTC | 2.1md | 2 km S of P?hala, Hawaii 19.184°, -155.478° | 32.4 km | - | - | - | Auto | USGS → |
A magnitude 2.1 seismic event took place 2 km S of P?hala, Hawaii on October 23, 2022 at 18:17 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.7 earthquake that occurred about 9 hours earlier. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-10-23 2022-10-23 18:16:23 UTC | 4.1mw | 3km SSE of Fortuna, CA 40.578°, -124.140° | 28.4 km | 529 | III | green | ✓ Reviewed | USGS → |
At 18:16 UTC on October 23, 2022, a magnitude 4.1 tremor occurred 3km SSE of Fortuna, CA. A tsunami evaluation was automatically initiated given the magnitude and location. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-10-23 2022-10-23 18:02:54 UTC | 2.0ml | 52 km S of Kaktovik, Alaska 69.669°, -143.413° | 21.6 km | - | - | - | ✓ Reviewed | USGS → |
On October 23, 2022 at 18:02 UTC, a magnitude 2.0 earthquake struck 52 km S of Kaktovik, Alaska. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-10-23 2022-10-23 18:02:43 UTC | 3.3ml | 14 km ENE of Wright, Wyoming 43.800°, -105.327° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
October 23, 2022 brought a magnitude 3.3 earthquake 14 km ENE of Wright, Wyoming, logged at 18:02 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M3.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-10-23 2022-10-23 17:34:38 UTC | 2.0md | 12 km ENE of P?hala, Hawaii 19.225°, -155.365° | 33.8 km | - | - | - | Auto | USGS → |
At 17:34 UTC on October 23, 2022, a magnitude 2.0 tremor occurred 12 km ENE of P?hala, Hawaii. This event falls inside the aftershock decay of a nearby magnitude 2.7 earthquake that occurred about 8 hours earlier. See the M2.0 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 October 23, 2022. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.