Earthquakes on October 22, 2021
257
EARTHQUAKES on October 22, 2021
24-hour UTC period · USGS data
10 km deep · 4 people felt it
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
3
M4.0–4.9
28
M3.0–3.9
13
M2.0–2.9
49
M1.0–1.9
164
Activity Summary
257
Total earthquakes
~250
Daily average
Normal
Activity level
3
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
5.4
Federated States of Micronesia region
07:27 UTC · 10.0 km deep
Felt by 4
5.0
southwestern Siberia, Russia
23:03 UTC · 10.0 km deep
Felt by 4
5.0
121 km S of Hihifo, Tonga
21:59 UTC · 75.1 km deep
4.9
53 km SSW of Dampit, Indonesia
02:21 UTC · 72.9 km deep
Felt by 9
4.8
South Sandwich Islands region
21:57 UTC · 35.0 km deep
4.8
southern Mid-Atlantic Ridge
02:09 UTC · 10.0 km deep
4.6
244 km NNE of Wala, New Caledonia
17:31 UTC · 10.0 km deep
4.6
75 km ESE of Palca, Peru
11:06 UTC · 3.4 km deep
Earthquake Map — October 22, 2021

All Earthquakes — October 22, 2021
Showing 30 of 93 (filtered from 257)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2021-10-22 2021-10-22 23:55:22 UTC | 3.4ml | 57 km S of Whites City, New Mexico 31.660°, -104.429° | 6.2 km | - | IV | - | ✓ Reviewed | USGS → |
On October 22, 2021, worldwide seismic activity registered a magnitude 3.4 earthquake 57 km S of Whites City, New Mexico at 23:55 UTC. The event was offshore. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-22 2021-10-22 23:51:51 UTC | 2.4ml | 89 km SSE of King Cove, Alaska 54.382°, -161.567° | 25.6 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.4 event was detected 89 km SSE of King Cove, Alaska on October 22, 2021, with origin time 23:51 UTC. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-22 2021-10-22 23:13:34 UTC | 2.4ml | 103 km SW of Akhiok, Alaska 56.401°, -155.536° | 1.2 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.4 earthquake 103 km SW of Akhiok, Alaska came in on October 22, 2021 at 23:13 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-22 2021-10-22 23:05:04 UTC | 2.2ml | 56 km S of Whites City, New Mexico 31.669°, -104.374° | 7.1 km | - | - | - | ✓ Reviewed | USGS → |
On October 22, 2021 at 23:05 UTC, a magnitude 2.2 earthquake struck 56 km S of Whites City, New Mexico. This event falls inside the aftershock decay of a nearby magnitude 2.5 earthquake that occurred about 20 hours earlier. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-22 2021-10-22 23:03:01 UTC | 5.0mb | southwestern Siberia, Russia 51.420°, 91.803° | 10.0 km | 4 | - | - | ✓ Reviewed | USGS → |
A magnitude 5.0 earthquake was recorded near southwestern Siberia, Russia on October 22, 2021 at 23:03 UTC. See the M5.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-22 2021-10-22 22:33:45 UTC | 2.3ml | 18 km NNE of Hermleigh, Texas 32.775°, -100.662° | 7.8 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.3 earthquake 18 km NNE of Hermleigh, Texas with origin time 22:33 UTC on October 22, 2021. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-22 2021-10-22 22:30:21 UTC | 2.0ml | 76 km N of Aleneva, Alaska 58.746°, -152.810° | 74.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.0 earthquake 76 km N of Aleneva, Alaska came in on October 22, 2021 at 22:30 UTC. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-22 2021-10-22 22:27:07 UTC | 2.3md | 5 km ENE of P?hala, Hawaii 19.217°, -155.431° | 34.3 km | - | - | - | Auto | USGS → |
The USGS recorded this magnitude 2.3 earthquake 5 km ENE of P?hala, Hawaii at 22:27 UTC on October 22, 2021. Coming 18 hours after a magnitude 2.9 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-22 2021-10-22 22:24:13 UTC | 4.4mb | Kalimantan, Indonesia -1.510°, 115.813° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 22:24 UTC on October 22, 2021, a magnitude 4.4 tremor occurred near Kalimantan, Indonesia. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-22 2021-10-22 22:20:58 UTC | 3.2md | 49 km W of Rincón, Puerto Rico 18.265°, -67.707° | 82.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.2 seismic event took place 49 km W of Rincón, Puerto Rico on October 22, 2021 at 22:20 UTC. The event was offshore. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-22 2021-10-22 21:59:46 UTC | 5.0mb | 121 km S of Hihifo, Tonga -17.040°, -173.968° | 75.1 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 5.0 earthquake 121 km S of Hihifo, Tonga with origin time 21:59 UTC on October 22, 2021. The event was offshore. See the M5.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-22 2021-10-22 21:57:46 UTC | 4.8mb | South Sandwich Islands region -57.346°, -25.685° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
At 21:57 UTC on October 22, 2021, a magnitude 4.8 tremor occurred in the South Sandwich Islands region. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-22 2021-10-22 21:30:17 UTC | 3.7md | 95 km NNE of Punta Cana, Dominican Republic 19.333°, -67.952° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 3.7 earthquake 95 km NNE of Punta Cana, Dominican Republic with origin time 21:30 UTC on October 22, 2021. See the M3.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-22 2021-10-22 21:14:19 UTC | 3.4ml | 5km WNW of Toms Place, CA 37.586°, -118.732° | 8.9 km | 20 | II | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 3.4 earthquake 5km WNW of Toms Place, CA at 21:14 UTC on October 22, 2021. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-22 2021-10-22 20:56:50 UTC | 4.0mb | 209 km NE of Gisborne, New Zealand -37.413°, 179.798° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
October 22, 2021 brought a magnitude 4.0 earthquake 209 km NE of Gisborne, New Zealand, logged at 20:56 UTC. The event was offshore. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-22 2021-10-22 20:55:05 UTC | 2.2ml | 75 km WNW of Petersville, Alaska 62.683°, -152.176° | 7.8 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.2 earthquake was recorded 75 km WNW of Petersville, Alaska on October 22, 2021 at 20:55 UTC. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-22 2021-10-22 20:50:16 UTC | 2.6ml | 119 km E of Chignik, Alaska 56.345°, -156.480° | 42.9 km | - | - | - | ✓ Reviewed | USGS → |
On October 22, 2021 at 20:50 UTC, a magnitude 2.6 earthquake struck 119 km E of Chignik, Alaska. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-22 2021-10-22 20:31:37 UTC | 4.2mb | Banda Sea -6.870°, 130.117° | 81.1 km | - | - | - | ✓ Reviewed | USGS → |
At 20:31 UTC on October 22, 2021, a magnitude 4.2 tremor occurred near Banda Sea. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-22 2021-10-22 20:29:15 UTC | 2.6ml | Central Alaska 64.421°, -146.745° | 7.6 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.6 earthquake was recorded near Central Alaska on October 22, 2021 at 20:29 UTC. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-22 2021-10-22 19:44:53 UTC | 4.4mb | 1 km WSW of Minalabac, Philippines 13.565°, 123.174° | 40.6 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.4 earthquake 1 km WSW of Minalabac, Philippines at 19:44 UTC on October 22, 2021. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-22 2021-10-22 19:10:10 UTC | 4.0mb | 189 km ENE of Gisborne, New Zealand -37.807°, 179.887° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On October 22, 2021 at 19:10 UTC, a magnitude 4.0 earthquake struck 189 km ENE of Gisborne, New Zealand. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-22 2021-10-22 17:52:45 UTC | 4.3mb | 297 km N of Saipan, Northern Mariana Islands 17.895°, 145.519° | 311.6 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.3 seismic event took place 297 km N of Saipan, Northern Mariana Islands on October 22, 2021 at 17:52 UTC. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-22 2021-10-22 17:31:32 UTC | 4.6mb | 244 km NNE of Wala, New Caledonia -17.864°, 164.917° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.6 event was detected 244 km NNE of Wala, New Caledonia on October 22, 2021, with origin time 17:31 UTC. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-22 2021-10-22 17:30:53 UTC | 4.2mb | 109 km SSE of Lata, Solomon Islands -11.622°, 166.211° | 124.2 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.2 earthquake 109 km SSE of Lata, Solomon Islands at 17:30 UTC on October 22, 2021. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-22 2021-10-22 17:17:07 UTC | 4.1mb | 245 km ENE of Levuka, Fiji -17.361°, -178.486° | 528.2 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.1 seismic event took place 245 km ENE of Levuka, Fiji on October 22, 2021 at 17:17 UTC. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-22 2021-10-22 17:16:50 UTC | 2.4ml | 10 km E of P?hala, Hawaii 19.218°, -155.377° | 30.7 km | - | - | - | Auto | USGS → |
On October 22, 2021 at 17:16 UTC, a magnitude 2.4 earthquake struck 10 km E of P?hala, Hawaii. It arrived roughly 13 hours after a larger magnitude 2.9 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-22 2021-10-22 17:14:15 UTC | 3.3ml | Haiti region 18.841°, -74.115° | 10.0 km | 1 | - | - | ✓ Reviewed | USGS → |
This magnitude 3.3 event was detected in the Haiti region on October 22, 2021, with origin time 17:14 UTC. See the M3.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-22 2021-10-22 17:12:50 UTC | 4.3mb | Crete, Greece 35.116°, 25.291° | 10.0 km | 4 | - | - | ✓ Reviewed | USGS → |
October 22, 2021 brought a magnitude 4.3 earthquake near Crete, Greece, logged at 17:12 UTC. This event falls inside the aftershock decay of a nearby magnitude 4.5 earthquake that occurred about 7 hours earlier. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-22 2021-10-22 17:06:37 UTC | 2.2ml | 6 km NW of Stanley, Idaho 44.264°, -114.996° | 6.1 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.2 seismic event took place 6 km NW of Stanley, Idaho on October 22, 2021 at 17:06 UTC. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-22 2021-10-22 17:01:14 UTC | 4.3mb | 68 km WSW of Sungai Penuh, Indonesia -2.232°, 100.802° | 58.3 km | - | - | - | ✓ Reviewed | USGS → |
On October 22, 2021 at 17:01 UTC, a magnitude 4.3 earthquake struck 68 km WSW of Sungai Penuh, Indonesia. See the M4.3 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 22, 2021. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.