Earthquakes on October 22, 2020
423
EARTHQUAKES on October 22, 2020
24-hour UTC period · USGS data
244 km deep
Elevated activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
3
M4.0–4.9
31
M3.0–3.9
58
M2.0–2.9
76
M1.0–1.9
255
Activity Summary
423
Total earthquakes
~250
Daily average
Elevated
Activity level
3
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
5.8
150 km WNW of Haveluloto, Tonga
08:24 UTC · 244.0 km deep
5.3
49 km WNW of Jiangyou, China
03:03 UTC · 10.0 km deep
Felt by 3
5.0
Reykjanes Ridge
23:06 UTC · 10.0 km deep
4.9
South Shetland Islands
19:19 UTC · 10.0 km deep
4.9
South Shetland Islands
05:40 UTC · 10.0 km deep
4.8
113 km W of Kirakira, Solomon Islands
01:57 UTC · 10.0 km deep
4.7
Reykjanes Ridge
12:00 UTC · 10.0 km deep
4.7
71 km SW of Ishigaki, Japan
07:14 UTC · 31.5 km deep
Earthquake Map — October 22, 2020
All Earthquakes — October 22, 2020
Showing 30 of 168 (filtered from 423)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2020-10-22 2020-10-22 23:57:09 UTC | 3.2ml | 130 km SE of Sand Point, Alaska 54.420°, -159.230° | 29.6 km | - | - | - | ✓ Reviewed | USGS → |
On October 22, 2020, worldwide seismic activity registered a magnitude 3.2 earthquake 130 km SE of Sand Point, Alaska at 23:57 UTC. The event was offshore. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-22 2020-10-22 23:42:52 UTC | 2.7ml | 79 km SE of Sand Point, Alaska 54.850°, -159.584° | 24.7 km | - | - | - | ✓ Reviewed | USGS → |
On October 22, 2020 at 23:42 UTC, a magnitude 2.7 earthquake struck 79 km SE of Sand Point, Alaska. Coming 7 hours after a magnitude 3.5 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-22 2020-10-22 23:39:15 UTC | 2.4ml | 8 km NW of Susitna, Alaska 61.597°, -150.621° | 49.6 km | - | - | - | ✓ Reviewed | USGS → |
October 22, 2020 brought a magnitude 2.4 earthquake 8 km NW of Susitna, Alaska, logged at 23:39 UTC. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-22 2020-10-22 23:06:32 UTC | 5.0mww | Reykjanes Ridge 52.708°, -35.003° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 5.0 earthquake near Reykjanes Ridge with origin time 23:06 UTC on October 22, 2020. See the M5.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-22 2020-10-22 23:03:03 UTC | 3.0ml | 23km NW of Ludlow, CA 34.861°, -116.340° | 5.1 km | - | - | - | ✓ Reviewed | USGS → |
On October 22, 2020, worldwide seismic activity registered a magnitude 3.0 earthquake 23km NW of Ludlow, CA at 23:03 UTC. It arrived roughly 14 hours after a larger magnitude 3.3 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-22 2020-10-22 22:59:32 UTC | 2.3ml | 10 km NNW of Perry, Oklahoma 36.371°, -97.339° | 6.7 km | 1 | - | - | ✓ Reviewed | USGS → |
On October 22, 2020 at 22:59 UTC, a magnitude 2.3 earthquake struck 10 km NNW of Perry, Oklahoma. Coming 18 hours after a magnitude 3.1 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. | ||||||||
2020-10-22 2020-10-22 22:58:13 UTC | 2.8ml | 129 km SSE of Sand Point, Alaska 54.264°, -159.734° | 19.9 km | - | - | - | ✓ Reviewed | USGS → |
On October 22, 2020, worldwide seismic activity registered a magnitude 2.8 earthquake 129 km SSE of Sand Point, Alaska at 22:58 UTC. This event falls inside the aftershock decay of a nearby magnitude 4.0 earthquake that occurred about 17 hours earlier. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-22 2020-10-22 22:55:29 UTC | 3.2ml | 113 km SSE of Sand Point, Alaska 54.429°, -159.694° | 20.2 km | - | - | - | ✓ Reviewed | USGS → |
At 22:55 UTC on October 22, 2020, a magnitude 3.2 tremor occurred 113 km SSE of Sand Point, Alaska. This event falls inside the aftershock decay of a nearby magnitude 4.0 earthquake that occurred about 17 hours earlier. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-22 2020-10-22 22:48:38 UTC | 2.9ml | 93 km SSE of Sand Point, Alaska 54.634°, -159.687° | 24.4 km | - | - | - | ✓ Reviewed | USGS → |
At 22:48 UTC on October 22, 2020, a magnitude 2.9 tremor occurred 93 km SSE of Sand Point, Alaska. This event falls inside the aftershock decay of a nearby magnitude 3.5 earthquake that occurred about 6 hours earlier. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-22 2020-10-22 22:37:31 UTC | 3.1md | 3 km SSW of Indios, Puerto Rico 17.969°, -66.834° | 11.0 km | 1 | - | - | ✓ Reviewed | USGS → |
A magnitude 3.1 earthquake was recorded 3 km SSW of Indios, Puerto Rico on October 22, 2020 at 22:37 UTC. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-22 2020-10-22 22:24:53 UTC | 4.3mb | West Chile Rise -44.670°, -81.267° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.3 earthquake near West Chile Rise at 22:24 UTC on October 22, 2020. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-22 2020-10-22 21:54:26 UTC | 2.0ml | 61 km SE of Pope-Vannoy Landing, Alaska 59.242°, -153.611° | 114.3 km | - | - | - | ✓ Reviewed | USGS → |
At 21:54 UTC on October 22, 2020, a magnitude 2.0 tremor occurred 61 km SE of Pope-Vannoy Landing, Alaska. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-22 2020-10-22 21:40:02 UTC | 3.6mb | 115 km SSE of Sand Point, Alaska 54.370°, -159.851° | 19.4 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 3.6 earthquake 115 km SSE of Sand Point, Alaska with origin time 21:40 UTC on October 22, 2020. 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 M3.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-22 2020-10-22 21:37:56 UTC | 2.2ml | 8km SW of Niland, CA 33.194°, -115.582° | 3.4 km | 1 | - | - | ✓ Reviewed | USGS → |
On October 22, 2020, worldwide seismic activity registered a magnitude 2.2 earthquake 8km SW of Niland, CA at 21:37 UTC. Coming 1 hours after a magnitude 3.9 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 M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-22 2020-10-22 21:30:53 UTC | 2.8ml | south of Alaska 54.541°, -159.855° | 21.8 km | - | - | - | ✓ Reviewed | USGS → |
At 21:30 UTC on October 22, 2020, a magnitude 2.8 tremor occurred south of Alaska. Coming 14 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. | ||||||||
2020-10-22 2020-10-22 21:26:55 UTC | 2.9ml | 116 km SSE of Sand Point, Alaska 54.370°, -159.787° | 31.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.9 earthquake 116 km SSE of Sand Point, Alaska at 21:26 UTC on October 22, 2020. Coming 16 hours after a magnitude 4.0 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-22 2020-10-22 21:22:03 UTC | 2.8ml | 7km SW of Niland, CA 33.198°, -115.580° | 2.6 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.8 earthquake 7km SW of Niland, CA with origin time 21:22 UTC on October 22, 2020. It arrived roughly 1 hours after a larger magnitude 3.9 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 M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-22 2020-10-22 21:20:27 UTC | 2.9ml | south of Alaska 54.460°, -159.776° | 24.9 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.9 event was detected south of Alaska on October 22, 2020, with origin time 21:20 UTC. It arrived roughly 15 hours after a larger magnitude 4.0 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-22 2020-10-22 21:18:32 UTC | 3.2ml | 114 km SSE of Sand Point, Alaska 54.437°, -159.636° | 53.4 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 3.2 earthquake 114 km SSE of Sand Point, Alaska at 21:18 UTC on October 22, 2020. Coming 15 hours after a magnitude 4.0 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. | ||||||||
2020-10-22 2020-10-22 21:14:47 UTC | 2.8ml | 88 km SE of Sand Point, Alaska 54.694°, -159.692° | 29.7 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.8 earthquake 88 km SE of Sand Point, Alaska at 21:14 UTC on October 22, 2020. It arrived roughly 4 hours after a larger magnitude 3.5 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-22 2020-10-22 21:07:39 UTC | 2.5ml | 7km SW of Niland, CA 33.201°, -115.581° | 3.4 km | - | - | - | ✓ Reviewed | USGS → |
At 21:07 UTC on October 22, 2020, a magnitude 2.5 tremor occurred 7km SW of Niland, CA. This event falls inside the aftershock decay of a nearby magnitude 3.9 earthquake that occurred about 1 hours earlier. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-22 2020-10-22 21:07:38 UTC | 2.2ml | 7km SW of Niland, CA 33.203°, -115.576° | 3.5 km | - | - | - | ✓ Reviewed | USGS → |
At 21:07 UTC on October 22, 2020, a magnitude 2.2 tremor occurred 7km SW of Niland, CA. It arrived roughly 1 hours after a larger magnitude 3.9 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. | ||||||||
2020-10-22 2020-10-22 21:07:12 UTC | 3.9mb | 83 km NNE of Tocopilla, Chile -21.383°, -69.912° | 53.1 km | 2 | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 3.9 earthquake 83 km NNE of Tocopilla, Chile at 21:07 UTC on October 22, 2020. See the M3.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-22 2020-10-22 21:03:29 UTC | 2.0ml | 7km WSW of Niland, CA 33.205°, -115.584° | 3.9 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.0 earthquake 7km WSW of Niland, CA with origin time 21:03 UTC on October 22, 2020. It arrived roughly 1 hours after a larger magnitude 3.9 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 M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-22 2020-10-22 21:02:39 UTC | 2.7ml | 101 km SE of Sand Point, Alaska 54.598°, -159.560° | 21.3 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.7 earthquake was recorded 101 km SE of Sand Point, Alaska on October 22, 2020 at 21:02 UTC. It arrived roughly 4 hours after a larger magnitude 3.5 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-22 2020-10-22 21:02:16 UTC | 2.7ml | 8km WSW of Niland, CA 33.206°, -115.590° | 2.2 km | 3 | - | - | ✓ Reviewed | USGS → |
October 22, 2020 brought a magnitude 2.7 earthquake 8km WSW of Niland, CA, logged at 21:02 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.9 earthquake that occurred about 1 hours earlier. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-22 2020-10-22 21:01:40 UTC | 2.7ml | 8km SW of Niland, CA 33.202°, -115.586° | 2.3 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.7 seismic event took place 8km SW of Niland, CA on October 22, 2020 at 21:01 UTC. It arrived roughly 1 hours after a larger magnitude 3.9 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 M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-22 2020-10-22 20:59:26 UTC | 3.9mw | 8km SW of Niland, CA 33.200°, -115.585° | 3.0 km | 29 | V | - | ✓ Reviewed | USGS → |
At 20:59 UTC on October 22, 2020, a magnitude 3.9 tremor occurred 8km SW of Niland, CA. In the 72 hours after this event, the USGS recorded 26 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M3.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-22 2020-10-22 20:52:26 UTC | 2.3ml | 8km SW of Niland, CA 33.197°, -115.584° | 2.4 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.3 earthquake was recorded 8km SW of Niland, CA on October 22, 2020 at 20:52 UTC. 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. 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. | ||||||||
2020-10-22 2020-10-22 20:45:28 UTC | 2.5ml | 8km SW of Niland, CA 33.192°, -115.580° | 3.2 km | - | - | - | ✓ Reviewed | USGS → |
On October 22, 2020, worldwide seismic activity registered a magnitude 2.5 earthquake 8km SW of Niland, CA at 20:45 UTC. In the 72 hours after this event, the USGS recorded 29 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M2.5 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, 2020. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.