Earthquakes on November 21, 2020
403
EARTHQUAKES on November 21, 2020
24-hour UTC period · USGS data
LARGEST: M5.5 — 42 km SW of Ovalle, Chile
51 km deep · 32 people felt it
Elevated activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
1
M4.0–4.9
30
M3.0–3.9
16
M2.0–2.9
94
M1.0–1.9
262
Activity Summary
403
Total earthquakes
~250
Daily average
Elevated
Activity level
1
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
5.5
42 km SW of Ovalle, Chile
02:11 UTC · 51.0 km deep
Felt by 32
4.9
56 km SSW of Bengkulu, Indonesia
16:58 UTC · 46.2 km deep
4.8
Kermadec Islands region
12:49 UTC · 10.0 km deep
4.8
Easter Island region
02:27 UTC · 10.0 km deep
4.7
off the west coast of the South Island of New Zealand
18:00 UTC · 10.0 km deep
4.7
9 km SSE of Sarangani, Philippines
13:11 UTC · 178.4 km deep
4.7
100 km SSE of Hihifo, Tonga
03:47 UTC · 83.2 km deep
4.7
162 km S of Sofifi, Indonesia
02:25 UTC · 19.8 km deep
Earthquake Map — November 21, 2020
All Earthquakes — November 21, 2020
Showing 30 of 141 (filtered from 403)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2020-11-21 2020-11-21 23:55:16 UTC | 2.5ml | 94 km SSE of Sand Point, Alaska 54.618°, -159.725° | 14.6 km | - | - | - | ✓ Reviewed | USGS → |
On November 21, 2020 at 23:55 UTC, a magnitude 2.5 earthquake struck 94 km SSE of Sand Point, Alaska. This event falls inside the aftershock decay of a nearby magnitude 3.2 earthquake that occurred about 1 hours earlier. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-11-21 2020-11-21 23:48:11 UTC | 3.3ml | 142 km SSE of Sand Point, Alaska 54.125°, -159.805° | 22.8 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 3.3 earthquake 142 km SSE of Sand Point, Alaska at 23:48 UTC on November 21, 2020. See the M3.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-11-21 2020-11-21 23:44:25 UTC | 2.2ml | 8 km WNW of Eagle River, Alaska 61.361°, -149.700° | 16.8 km | 2 | - | - | ✓ Reviewed | USGS → |
At 23:44 UTC on November 21, 2020, a magnitude 2.2 tremor occurred 8 km WNW of Eagle River, Alaska. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-11-21 2020-11-21 23:08:58 UTC | 2.2ml | 96 km SSE of Sand Point, Alaska 54.608°, -159.686° | 26.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.2 earthquake 96 km SSE of Sand Point, Alaska at 23:08 UTC on November 21, 2020. It arrived roughly 1 hours after a larger magnitude 3.2 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-11-21 2020-11-21 22:56:34 UTC | 2.3ml | 96 km SE of Sand Point, Alaska 54.655°, -159.569° | 37.7 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.3 earthquake 96 km SE of Sand Point, Alaska at 22:56 UTC on November 21, 2020. This event falls inside the aftershock decay of a nearby magnitude 3.2 earthquake that occurred about 1 hours earlier. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-11-21 2020-11-21 22:42:53 UTC | 3.2ml | 91 km SSE of Sand Point, Alaska 54.640°, -159.742° | 21.1 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.2 seismic event took place 91 km SSE of Sand Point, Alaska on November 21, 2020 at 22:42 UTC. In the 72 hours after this event, the USGS recorded 3 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-11-21 2020-11-21 21:51:33 UTC | 2.3ml | 102 km SE of Sand Point, Alaska 54.609°, -159.512° | 38.8 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.3 event was detected 102 km SE of Sand Point, Alaska on November 21, 2020, with origin time 21:51 UTC. Coming 1 hours after a magnitude 3.2 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-11-21 2020-11-21 21:49:21 UTC | 4.5mb | 128 km NW of Rikaze, China 30.188°, 88.100° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
November 21, 2020 brought a magnitude 4.5 earthquake 128 km NW of Rikaze, China, logged at 21:49 UTC. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-11-21 2020-11-21 21:46:16 UTC | 2.9ml | 91 km SSE of Sand Point, Alaska 54.623°, -159.784° | 20.9 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.9 seismic event took place 91 km SSE of Sand Point, Alaska on November 21, 2020 at 21:46 UTC. It arrived roughly 1 hours after a larger magnitude 3.2 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. | ||||||||
2020-11-21 2020-11-21 21:33:04 UTC | 2.6ml | 46 km ESE of Pedro Bay, Alaska 59.600°, -153.377° | 120.2 km | - | - | - | ✓ Reviewed | USGS → |
On November 21, 2020, worldwide seismic activity registered a magnitude 2.6 earthquake 46 km ESE of Pedro Bay, Alaska at 21:33 UTC. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-11-21 2020-11-21 21:25:50 UTC | 4.3mb | 237 km NNW of Manado, Indonesia 3.413°, 123.906° | 409.2 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.3 event was detected 237 km NNW of Manado, Indonesia on November 21, 2020, with origin time 21:25 UTC. This is the deepest earthquake in the current dataset — a deep-focus event. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-11-21 2020-11-21 21:18:33 UTC | 4.6mb | Mid-Indian Ridge -36.470°, 78.957° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.6 seismic event took place near Mid-Indian Ridge on November 21, 2020 at 21:18 UTC. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-11-21 2020-11-21 20:55:03 UTC | 3.2ml | 99 km SSE of Sand Point, Alaska 54.543°, -159.770° | 24.5 km | - | - | - | ✓ Reviewed | USGS → |
November 21, 2020 brought a magnitude 3.2 earthquake 99 km SSE of Sand Point, Alaska, logged at 20:55 UTC. In the 72 hours after this event, the USGS recorded 5 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-11-21 2020-11-21 20:51:04 UTC | 2.4md | 6 km SSW of Guánica, Puerto Rico 17.913°, -66.925° | 11.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.4 earthquake 6 km SSW of Guánica, Puerto Rico with origin time 20:51 UTC on November 21, 2020. This event falls inside the aftershock decay of a nearby magnitude 3.0 earthquake that occurred about 12 hours earlier. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-11-21 2020-11-21 20:20:14 UTC | 2.0md | 15km SW of Toms Place, CA 37.479°, -118.816° | 3.4 km | - | - | - | ✓ Reviewed | USGS → |
On November 21, 2020, worldwide seismic activity registered a magnitude 2.0 earthquake 15km SW of Toms Place, CA at 20:20 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. | ||||||||
2020-11-21 2020-11-21 20:17:06 UTC | 2.0md | 8km NE of Big Pine, CA 37.224°, -118.236° | 14.8 km | - | - | - | ✓ Reviewed | USGS → |
At 20:17 UTC on November 21, 2020, a magnitude 2.0 tremor occurred 8km NE of Big Pine, CA. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-11-21 2020-11-21 20:15:39 UTC | 2.3ml | 84 km SSE of Sand Point, Alaska 54.681°, -159.844° | 8.4 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.3 earthquake 84 km SSE of Sand Point, Alaska came in on November 21, 2020 at 20:15 UTC. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-11-21 2020-11-21 20:15:03 UTC | 4.3mb | 10 km NE of Seoni, India 22.141°, 79.634° | 10.0 km | 6 | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.3 earthquake 10 km NE of Seoni, India came in on November 21, 2020 at 20:15 UTC. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-11-21 2020-11-21 20:07:24 UTC | 3.1ml | 208 km SE of Nikolski, Alaska 51.875°, -166.347° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 3.1 earthquake 208 km SE of Nikolski, Alaska with origin time 20:07 UTC on November 21, 2020. The event was offshore. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-11-21 2020-11-21 20:05:59 UTC | 4.0mb | 53 km E of Hachinohe, Japan 40.522°, 142.127° | 57.9 km | - | - | - | ✓ Reviewed | USGS → |
November 21, 2020 brought a magnitude 4.0 earthquake 53 km E of Hachinohe, Japan, logged at 20:05 UTC. The event was offshore. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-11-21 2020-11-21 19:34:34 UTC | 2.1ml | 34 km SE of Mina, Nevada 38.168°, -117.839° | 6.7 km | - | - | - | ✓ Reviewed | USGS → |
On November 21, 2020 at 19:34 UTC, a magnitude 2.1 earthquake struck 34 km SE of Mina, Nevada. It arrived roughly 15 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 M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-11-21 2020-11-21 19:24:24 UTC | 2.2md | 4 km SSW of La Parguera, Puerto Rico 17.942°, -67.064° | 11.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.2 earthquake 4 km SSW of La Parguera, Puerto Rico with origin time 19:24 UTC on November 21, 2020. It arrived roughly 10 hours after a larger magnitude 3.0 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-11-21 2020-11-21 19:19:04 UTC | 2.0ml | 39 km NW of Ninilchik, Alaska 60.298°, -152.173° | 90.1 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.0 event was detected 39 km NW of Ninilchik, Alaska on November 21, 2020, with origin time 19:19 UTC. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-11-21 2020-11-21 19:03:32 UTC | 2.1md | 3 km WSW of Indios, Puerto Rico 17.980°, -66.849° | 18.0 km | - | - | - | ✓ Reviewed | USGS → |
November 21, 2020 brought a magnitude 2.1 earthquake 3 km WSW of Indios, Puerto Rico, logged at 19:03 UTC. Coming 10 hours after a magnitude 3.0 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-11-21 2020-11-21 19:00:19 UTC | 4.1mb | south of the Fiji Islands -23.965°, -177.013° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 19:00 UTC on November 21, 2020, a magnitude 4.1 tremor occurred south of the Fiji Islands. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-11-21 2020-11-21 18:58:27 UTC | 2.1md | 7 km WSW of La Parguera, Puerto Rico 17.946°, -67.108° | 7.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.1 earthquake 7 km WSW of La Parguera, Puerto Rico at 18:58 UTC on November 21, 2020. This event falls inside the aftershock decay of a nearby magnitude 3.0 earthquake that occurred about 10 hours earlier. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-11-21 2020-11-21 18:48:19 UTC | 4.2mb | 214 km W of Panguna, Papua New Guinea -6.492°, 153.555° | 18.4 km | - | - | - | ✓ Reviewed | USGS → |
On November 21, 2020 at 18:48 UTC, a magnitude 4.2 earthquake struck 214 km W of Panguna, Papua New Guinea. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-11-21 2020-11-21 18:47:26 UTC | 2.1ml | 10 km NNE of Quinlan, Oklahoma 36.535°, -98.988° | 7.0 km | - | - | - | ✓ Reviewed | USGS → |
On November 21, 2020 at 18:47 UTC, a magnitude 2.1 earthquake struck 10 km NNE of Quinlan, Oklahoma. In the 72 hours after this event, the USGS recorded 8 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-11-21 2020-11-21 18:31:11 UTC | 4.2mb | 94 km NW of Coquimbo, Chile -29.316°, -71.992° | 29.6 km | 2 | - | - | ✓ Reviewed | USGS → |
A magnitude 4.2 earthquake was recorded 94 km NW of Coquimbo, Chile on November 21, 2020 at 18:31 UTC. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-11-21 2020-11-21 18:27:21 UTC | 2.0ml | 29 km WNW of Petersville, Alaska 62.612°, -151.286° | 86.2 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.0 earthquake 29 km WNW of Petersville, Alaska came in on November 21, 2020 at 18:27 UTC. 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 November 21, 2020. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.