Earthquakes on October 19, 2020
406
EARTHQUAKES on October 19, 2020
24-hour UTC period · USGS data
28 km deep · 321 people felt it
Elevated activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
14
M4.0–4.9
65
M3.0–3.9
53
M2.0–2.9
64
M1.0–1.9
210
Activity Summary
406
Total earthquakes
~250
Daily average
Elevated
Activity level
14
M5.0+ events
Geographic Breakdown
Top Countries (International)
Significant Earthquakes (M4.5+)
7.6
2020 Sand Point, Alaska Earthquake
20:54 UTC · 28.4 km deep
Felt by 321
5.9
118 km SSE of Sand Point, Alaska
21:45 UTC · 20.8 km deep
5.9
144 km SSE of Sand Point, Alaska
21:45 UTC · 30.6 km deep
5.7
104 km SSE of Sand Point, Alaska
21:06 UTC · 26.2 km deep
5.7
114 km SSE of Sand Point, Alaska
21:05 UTC · 22.7 km deep
Felt by 2
5.6
191 km SW of Sungai Penuh, Indonesia
07:31 UTC · 20.0 km deep
5.5
114 km SSE of Sand Point, Alaska
21:32 UTC · 26.6 km deep
5.5
186 km SW of Sungai Penuh, Indonesia
07:47 UTC · 17.0 km deep
Earthquake Map — October 19, 2020

All Earthquakes — October 19, 2020
Showing 30 of 196 (filtered from 406)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2020-10-19 2020-10-19 23:56:45 UTC | 3.8mb | 99 km SSE of Sand Point, Alaska 54.568°, -159.697° | 22.2 km | - | - | - | ✓ Reviewed | USGS → |
At 23:56 UTC on October 19, 2020, a magnitude 3.8 tremor occurred 99 km SSE of Sand Point, Alaska. It arrived roughly 3 hours after a larger magnitude 7.6 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M3.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-19 2020-10-19 23:54:14 UTC | 3.3ml | 116 km SSE of Sand Point, Alaska 54.415°, -159.632° | 31.7 km | - | - | - | ✓ Reviewed | USGS → |
On October 19, 2020, worldwide seismic activity registered a magnitude 3.3 earthquake 116 km SSE of Sand Point, Alaska at 23:54 UTC. Coming 2 hours after a magnitude 5.9 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M3.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-19 2020-10-19 23:52:22 UTC | 3.4ml | 110 km SSE of Sand Point, Alaska 54.465°, -159.680° | 26.9 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.4 seismic event took place 110 km SSE of Sand Point, Alaska on October 19, 2020 at 23:52 UTC. It arrived roughly 3 hours after a larger magnitude 7.6 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-19 2020-10-19 23:50:13 UTC | 2.7ml | 101 km SE of Sand Point, Alaska 54.601°, -159.567° | 23.0 km | - | - | - | ✓ Reviewed | USGS → |
October 19, 2020 brought a magnitude 2.7 earthquake 101 km SE of Sand Point, Alaska, logged at 23:50 UTC. This event falls inside the aftershock decay of a nearby magnitude 7.6 earthquake that occurred about 3 hours earlier. The event was offshore. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-19 2020-10-19 23:48:24 UTC | 3.8ml | 113 km SSE of Sand Point, Alaska 54.395°, -159.828° | 19.8 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 3.8 earthquake 113 km SSE of Sand Point, Alaska at 23:48 UTC on October 19, 2020. This event falls inside the aftershock decay of a nearby magnitude 5.9 earthquake that occurred about 2 hours earlier. See the M3.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-19 2020-10-19 23:42:16 UTC | 4.9mb | 97 km SSE of Sand Point, Alaska 54.548°, -159.839° | 33.3 km | - | - | - | ✓ Reviewed | USGS → |
At 23:42 UTC on October 19, 2020, a magnitude 4.9 tremor occurred 97 km SSE of Sand Point, Alaska. Coming 3 hours after a magnitude 7.6 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-19 2020-10-19 23:41:02 UTC | 4.5mb | 109 km SSE of Sand Point, Alaska 54.468°, -159.696° | 27.3 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.5 earthquake was recorded 109 km SSE of Sand Point, Alaska on October 19, 2020 at 23:41 UTC. This event falls inside the aftershock decay of a nearby magnitude 7.6 earthquake that occurred about 3 hours earlier. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-19 2020-10-19 23:40:34 UTC | 2.6ml | 89 km SSE of Sand Point, Alaska 54.660°, -159.729° | 24.1 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.6 event was detected 89 km SSE of Sand Point, Alaska on October 19, 2020, with origin time 23:40 UTC. Coming 3 hours after a magnitude 7.6 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-19 2020-10-19 23:38:54 UTC | 3.8mb | 94 km SE of Sand Point, Alaska 54.662°, -159.605° | 52.8 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 3.8 event was detected 94 km SE of Sand Point, Alaska on October 19, 2020, with origin time 23:38 UTC. Coming 3 hours after a magnitude 7.6 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M3.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-19 2020-10-19 23:38:19 UTC | 3.5ml | 115 km SSE of Sand Point, Alaska 54.420°, -159.660° | 15.2 km | - | - | - | ✓ Reviewed | USGS → |
On October 19, 2020 at 23:38 UTC, a magnitude 3.5 earthquake struck 115 km SSE of Sand Point, Alaska. This event falls inside the aftershock decay of a nearby magnitude 5.9 earthquake that occurred about 2 hours earlier. See the M3.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-19 2020-10-19 23:38:08 UTC | 3.9mb | 180 km SE of Sand Point, Alaska 54.333°, -158.293° | 16.4 km | - | - | - | ✓ Reviewed | USGS → |
October 19, 2020 brought a magnitude 3.9 earthquake 180 km SE of Sand Point, Alaska, logged at 23:38 UTC. The event was offshore. See the M3.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-19 2020-10-19 23:37:41 UTC | 3.5ml | 111 km SSE of Sand Point, Alaska 54.448°, -159.698° | 21.3 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.5 earthquake was recorded 111 km SSE of Sand Point, Alaska on October 19, 2020 at 23:37 UTC. Coming 3 hours after a magnitude 7.6 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M3.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-19 2020-10-19 23:34:17 UTC | 3.1ml | 131 km SSE of Sand Point, Alaska 54.251°, -159.691° | 24.8 km | - | - | - | ✓ Reviewed | USGS → |
On October 19, 2020, worldwide seismic activity registered a magnitude 3.1 earthquake 131 km SSE of Sand Point, Alaska at 23:34 UTC. It arrived roughly 2 hours after a larger magnitude 5.9 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. | ||||||||
2020-10-19 2020-10-19 23:30:26 UTC | 3.5ml | 90 km SSE of Sand Point, Alaska 54.655°, -159.724° | 25.9 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 3.5 earthquake 90 km SSE of Sand Point, Alaska with origin time 23:30 UTC on October 19, 2020. It arrived roughly 3 hours after a larger magnitude 7.6 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M3.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-19 2020-10-19 23:27:13 UTC | 3.4ml | 75 km SE of Sand Point, Alaska 54.778°, -159.817° | 27.2 km | - | - | - | ✓ Reviewed | USGS → |
October 19, 2020 brought a magnitude 3.4 earthquake 75 km SE of Sand Point, Alaska, logged at 23:27 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.9 earthquake that occurred about 2 hours earlier. The event was offshore. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-19 2020-10-19 23:26:18 UTC | 3.4ml | 111 km SSE of Sand Point, Alaska 54.436°, -159.755° | 19.9 km | - | - | - | ✓ Reviewed | USGS → |
On October 19, 2020 at 23:26 UTC, a magnitude 3.4 earthquake struck 111 km SSE of Sand Point, Alaska. Coming 2 hours after a magnitude 5.9 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-19 2020-10-19 23:23:46 UTC | 3.1ml | 90 km SE of Sand Point, Alaska 54.699°, -159.626° | 20.0 km | - | - | - | ✓ Reviewed | USGS → |
At 23:23 UTC on October 19, 2020, a magnitude 3.1 tremor occurred 90 km SE of Sand Point, Alaska. This event falls inside the aftershock decay of a nearby magnitude 7.6 earthquake that occurred about 2 hours earlier. The event was offshore. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-19 2020-10-19 23:19:52 UTC | 3.2ml | 94 km SSE of Sand Point, Alaska 54.622°, -159.712° | 20.1 km | - | - | - | ✓ Reviewed | USGS → |
At 23:19 UTC on October 19, 2020, a magnitude 3.2 tremor occurred 94 km SSE of Sand Point, Alaska. It arrived roughly 2 hours after a larger magnitude 7.6 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-19 2020-10-19 23:17:06 UTC | 4.6mb | 136 km SSE of Sand Point, Alaska 54.176°, -159.813° | 10.7 km | - | - | - | ✓ Reviewed | USGS → |
On October 19, 2020, worldwide seismic activity registered a magnitude 4.6 earthquake 136 km SSE of Sand Point, Alaska at 23:17 UTC. Coming 2 hours after a magnitude 5.9 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-19 2020-10-19 23:11:57 UTC | 3.7mb | 113 km SSE of Sand Point, Alaska 54.422°, -159.734° | 29.7 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 3.7 earthquake 113 km SSE of Sand Point, Alaska with origin time 23:11 UTC on October 19, 2020. Coming 1 hours after a magnitude 5.9 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M3.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-19 2020-10-19 23:11:28 UTC | 2.6ml | 94 km SSE of Sand Point, Alaska 54.584°, -159.828° | 18.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.6 earthquake 94 km SSE of Sand Point, Alaska came in on October 19, 2020 at 23:11 UTC. It arrived roughly 2 hours after a larger magnitude 7.6 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-19 2020-10-19 23:09:39 UTC | 3.5ml | 104 km SSE of Sand Point, Alaska 54.499°, -159.774° | 21.9 km | - | - | - | ✓ Reviewed | USGS → |
On October 19, 2020, worldwide seismic activity registered a magnitude 3.5 earthquake 104 km SSE of Sand Point, Alaska at 23:09 UTC. This event falls inside the aftershock decay of a nearby magnitude 7.6 earthquake that occurred about 2 hours earlier. See the M3.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-19 2020-10-19 23:07:50 UTC | 3.2ml | 85 km SE of Sand Point, Alaska 54.703°, -159.744° | 22.2 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 3.2 earthquake 85 km SE of Sand Point, Alaska at 23:07 UTC on October 19, 2020. This event falls inside the aftershock decay of a nearby magnitude 7.6 earthquake that occurred about 2 hours earlier. The event was offshore. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-19 2020-10-19 23:04:23 UTC | 4.2mb | 100 km SSE of Sand Point, Alaska 54.577°, -159.664° | 26.9 km | - | - | - | ✓ Reviewed | USGS → |
At 23:04 UTC on October 19, 2020, a magnitude 4.2 tremor occurred 100 km SSE of Sand Point, Alaska. This event falls inside the aftershock decay of a nearby magnitude 7.6 earthquake that occurred about 2 hours earlier. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-19 2020-10-19 23:01:54 UTC | 2.7ml | 85 km SE of Sand Point, Alaska 54.762°, -159.619° | 25.6 km | - | - | - | ✓ Reviewed | USGS → |
On October 19, 2020 at 23:01 UTC, a magnitude 2.7 earthquake struck 85 km SE of Sand Point, Alaska. Coming 2 hours after a magnitude 7.6 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. | ||||||||
2020-10-19 2020-10-19 23:00:20 UTC | 3.2ml | 123 km SSE of Sand Point, Alaska 54.337°, -159.668° | 20.1 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 3.2 event was detected 123 km SSE of Sand Point, Alaska on October 19, 2020, with origin time 23:00 UTC. Coming 1 hours after a magnitude 5.9 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. | ||||||||
2020-10-19 2020-10-19 22:58:17 UTC | 2.9ml | 107 km SSE of Sand Point, Alaska 54.470°, -159.755° | 19.7 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.9 earthquake 107 km SSE of Sand Point, Alaska with origin time 22:58 UTC on October 19, 2020. It arrived roughly 2 hours after a larger magnitude 7.6 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. | ||||||||
2020-10-19 2020-10-19 22:57:19 UTC | 3.2ml | 95 km SSE of Sand Point, Alaska 54.611°, -159.706° | 26.1 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 3.2 earthquake 95 km SSE of Sand Point, Alaska came in on October 19, 2020 at 22:57 UTC. It arrived roughly 2 hours after a larger magnitude 7.6 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-19 2020-10-19 22:56:35 UTC | 3.1ml | 89 km SSE of Sand Point, Alaska 54.595°, -159.944° | 13.8 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 3.1 earthquake 89 km SSE of Sand Point, Alaska at 22:56 UTC on October 19, 2020. Coming 2 hours after a magnitude 5.7 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-19 2020-10-19 22:52:09 UTC | 3.7ml | 116 km SSE of Sand Point, Alaska 54.423°, -159.609° | 29.4 km | - | - | - | ✓ Reviewed | USGS → |
On October 19, 2020, worldwide seismic activity registered a magnitude 3.7 earthquake 116 km SSE of Sand Point, Alaska at 22:52 UTC. It arrived roughly 2 hours after a larger magnitude 7.6 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M3.7 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 19, 2020. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.