Earthquakes on October 21, 2022
292
EARTHQUAKES on October 21, 2022
24-hour UTC period · USGS data
LARGEST: M5.0 — 116 km W of Pangai, Tonga
114 km deep
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
2
M4.0–4.9
38
M3.0–3.9
15
M2.0–2.9
54
M1.0–1.9
183
Activity Summary
292
Total earthquakes
~250
Daily average
Normal
Activity level
2
M5.0+ events
Significant Earthquakes (M4.5+)
5.0
116 km W of Pangai, Tonga
09:18 UTC · 114.1 km deep
5.0
137 km ESE of Neiafu, Tonga
03:56 UTC · 10.0 km deep
4.9
Banda Sea
17:57 UTC · 144.0 km deep
4.9
19 km ESE of Namie, Japan
06:19 UTC · 40.7 km deep
Felt by 1
4.9
Southwest Indian Ridge
02:24 UTC · 10.0 km deep
4.8
Owen Fracture Zone region
20:19 UTC · 10.0 km deep
Felt by 1
4.6
204 km WSW of Bandar Lampung, Indonesia
22:04 UTC · 21.6 km deep
4.6
77 km S of Boca Chica, Panama
19:44 UTC · 10.0 km deep
Felt by 1
Earthquake Map — October 21, 2022

All Earthquakes — October 21, 2022
Showing 30 of 109 (filtered from 292)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2022-10-21 2022-10-21 23:40:05 UTC | 3.3ml | 6 km S of Pāhala, Hawaii 19.143°, -155.486° | 13.0 km | 2 | III | - | ✓ Reviewed | USGS → |
Reports of a magnitude 3.3 earthquake 6 km S of Pāhala, Hawaii came in on October 21, 2022 at 23:40 UTC. The event was offshore. See the M3.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-10-21 2022-10-21 23:40:05 UTC | 2.5md | 4 km S of Magas Arriba, Puerto Rico 17.980°, -66.776° | 11.4 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.5 earthquake 4 km S of Magas Arriba, Puerto Rico came in on October 21, 2022 at 23:40 UTC. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-10-21 2022-10-21 23:39:23 UTC | 3.1ml | 2 km SSW of P?hala, Hawaii 19.186°, -155.486° | 31.9 km | - | - | - | Auto | USGS → |
At 23:39 UTC on October 21, 2022, a magnitude 3.1 tremor occurred 2 km SSW of P?hala, Hawaii. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-10-21 2022-10-21 23:20:57 UTC | 2.0ml | 11 km ENE of Fox, Alaska 64.992°, -147.379° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.0 earthquake 11 km ENE of Fox, Alaska with origin time 23:20 UTC on October 21, 2022. 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. | ||||||||
2022-10-21 2022-10-21 23:18:19 UTC | 2.8ml | 8 km ENE of Pāhala, Hawaii 19.236°, -155.405° | 31.4 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.8 seismic event took place 8 km ENE of Pāhala, Hawaii on October 21, 2022 at 23:18 UTC. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-10-21 2022-10-21 23:05:02 UTC | 3.1ml | 187 km SSW of Adak, Alaska 50.332°, -177.716° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On October 21, 2022 at 23:05 UTC, a magnitude 3.1 earthquake struck 187 km SSW of Adak, Alaska. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-10-21 2022-10-21 23:00:54 UTC | 3.0md | 70 km N of Brenas, Puerto Rico 19.102°, -66.439° | 25.8 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 3.0 event was detected 70 km N of Brenas, Puerto Rico on October 21, 2022, with origin time 23:00 UTC. The event was offshore. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-10-21 2022-10-21 22:04:04 UTC | 4.6mb | 204 km WSW of Bandar Lampung, Indonesia -6.306°, 103.638° | 21.6 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.6 event was detected 204 km WSW of Bandar Lampung, Indonesia on October 21, 2022, with origin time 22:04 UTC. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-10-21 2022-10-21 21:45:56 UTC | 2.9ml | 111 km SSE of Sand Point, Alaska 54.480°, -159.601° | 30.3 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.9 earthquake 111 km SSE of Sand Point, Alaska came in on October 21, 2022 at 21:45 UTC. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-10-21 2022-10-21 21:29:02 UTC | 2.1ml | 4 km ENE of Sterling, Alaska 60.547°, -150.679° | 35.6 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.1 earthquake 4 km ENE of Sterling, Alaska at 21:29 UTC on October 21, 2022. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-10-21 2022-10-21 21:26:22 UTC | 4.3mb | 49 km NW of Abra Pampa, Argentina -22.367°, -65.992° | 269.8 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.3 earthquake 49 km NW of Abra Pampa, Argentina came in on October 21, 2022 at 21:26 UTC. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-10-21 2022-10-21 21:21:39 UTC | 3.9mb | south of the Aleutian Islands 50.485°, -169.874° | 18.8 km | - | - | - | ✓ Reviewed | USGS → |
On October 21, 2022 at 21:21 UTC, a magnitude 3.9 earthquake struck south of the Aleutian Islands. See the M3.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-10-21 2022-10-21 21:12:24 UTC | 2.2md | 5 km WSW of Guánica, Puerto Rico 17.944°, -66.953° | 11.6 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.2 seismic event took place 5 km WSW of Guánica, Puerto Rico on October 21, 2022 at 21:12 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.0 earthquake that occurred about 14 hours earlier. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-10-21 2022-10-21 20:57:43 UTC | 2.0ml | 260 km W of Adak, Alaska 51.913°, 179.588° | 5.3 km | - | - | - | ✓ Reviewed | USGS → |
On October 21, 2022 at 20:57 UTC, a magnitude 2.0 earthquake struck 260 km W of Adak, Alaska. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-10-21 2022-10-21 20:57:35 UTC | 3.1ml | western Texas 31.682°, -104.396° | 7.4 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.1 earthquake was recorded near western Texas on October 21, 2022 at 20:57 UTC. It arrived roughly 1 hours after a larger magnitude 3.7 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-10-21 2022-10-21 20:44:23 UTC | 4.1mb | Rat Islands, Aleutian Islands, Alaska 51.769°, 178.361° | 109.5 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.1 earthquake near Rat Islands, Aleutian Islands, Alaska came in on October 21, 2022 at 20:44 UTC. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-10-21 2022-10-21 20:36:30 UTC | 4.3mb | 86 km ENE of Sabang, Indonesia 6.246°, 96.011° | 232.8 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.3 seismic event took place 86 km ENE of Sabang, Indonesia on October 21, 2022 at 20:36 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-10-21 2022-10-21 20:20:38 UTC | 4.4mb | 128 km ENE of Tobelo, Indonesia 2.157°, 129.078° | 9.4 km | - | - | - | ✓ Reviewed | USGS → |
On October 21, 2022 at 20:20 UTC, a magnitude 4.4 earthquake struck 128 km ENE of Tobelo, Indonesia. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-10-21 2022-10-21 20:19:07 UTC | 4.8mb | Owen Fracture Zone region 11.911°, 57.969° | 10.0 km | 1 | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.8 earthquake in the Owen Fracture Zone region at 20:19 UTC on October 21, 2022. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-10-21 2022-10-21 20:11:09 UTC | 2.1ml | 20 km WNW of Stanley, Idaho 44.286°, -115.177° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.1 event was detected 20 km WNW of Stanley, Idaho on October 21, 2022, with origin time 20:11 UTC. It arrived roughly 19 hours after a larger magnitude 2.2 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-10-21 2022-10-21 19:57:58 UTC | 3.7ml | western Texas 31.672°, -104.402° | 6.7 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 3.7 earthquake near western Texas with origin time 19:57 UTC on October 21, 2022. See the M3.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-10-21 2022-10-21 19:57:58 UTC | 3.5mwr | western Texas 31.683°, -104.419° | 5.0 km | 1 | IV | - | ✓ Reviewed | USGS → |
At 19:57 UTC on October 21, 2022, a magnitude 3.5 tremor occurred near western Texas. See the M3.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-10-21 2022-10-21 19:51:35 UTC | 2.6ml | 47 km NNW of Petersville, Alaska 62.865°, -151.210° | 106.7 km | - | - | - | ✓ Reviewed | USGS → |
On October 21, 2022, worldwide seismic activity registered a magnitude 2.6 earthquake 47 km NNW of Petersville, Alaska at 19:51 UTC. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-10-21 2022-10-21 19:44:44 UTC | 4.6mb | 77 km S of Boca Chica, Panama 7.525°, -82.163° | 10.0 km | 1 | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.6 earthquake 77 km S of Boca Chica, Panama came in on October 21, 2022 at 19:44 UTC. The event was offshore. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-10-21 2022-10-21 19:40:29 UTC | 2.0ml | 55 km S of Whites City, New Mexico 31.677°, -104.398° | 7.0 km | - | - | - | ✓ Reviewed | USGS → |
On October 21, 2022, worldwide seismic activity registered a magnitude 2.0 earthquake 55 km S of Whites City, New Mexico at 19:40 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.1 earthquake that occurred about 1 hours earlier. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-10-21 2022-10-21 19:38:34 UTC | 4.4mb | 84 km NNE of Shikotan, Russia 44.528°, 147.040° | 136.5 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.4 earthquake was recorded 84 km NNE of Shikotan, Russia on October 21, 2022 at 19:38 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-10-21 2022-10-21 19:21:14 UTC | 3.1ml | 56 km S of Whites City, New Mexico 31.667°, -104.400° | 6.9 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 3.1 earthquake 56 km S of Whites City, New Mexico with origin time 19:21 UTC on October 21, 2022. The event was offshore. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-10-21 2022-10-21 19:16:23 UTC | 4.5mb | Kermadec Islands region -28.339°, -177.339° | 9.6 km | - | - | - | ✓ Reviewed | USGS → |
On October 21, 2022 at 19:16 UTC, a magnitude 4.5 earthquake struck in the Kermadec Islands region. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-10-21 2022-10-21 19:10:26 UTC | 4.4mb | Kermadec Islands, New Zealand -29.918°, -177.425° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.4 earthquake near Kermadec Islands, New Zealand with origin time 19:10 UTC on October 21, 2022. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-10-21 2022-10-21 19:06:33 UTC | 2.0ml | 11 km ENE of P?hala, Hawaii 19.244°, -155.379° | 32.1 km | - | - | - | Auto | USGS → |
A magnitude 2.0 earthquake was recorded 11 km ENE of P?hala, Hawaii on October 21, 2022 at 19:06 UTC. Coming 15 hours after a magnitude 2.8 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. 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 21, 2022. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.