Earthquakes on December 19, 2020
323
EARTHQUAKES on December 19, 2020
24-hour UTC period · USGS data
LARGEST: M5.2 — Off the coast of Aisen, Chile
10 km deep
Elevated activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
2
M4.0–4.9
28
M3.0–3.9
14
M2.0–2.9
94
M1.0–1.9
185
Activity Summary
323
Total earthquakes
~250
Daily average
Elevated
Activity level
2
M5.0+ events
Geographic Breakdown
Top Countries (International)
Significant Earthquakes (M4.5+)
5.2
Off the coast of Aisen, Chile
15:47 UTC · 10.0 km deep
5.0
89 km SSE of Sand Point, Alaska
00:10 UTC · 32.7 km deep
Felt by 2
4.9
South Sandwich Islands region
14:42 UTC · 75.7 km deep
4.8
99 km SE of Naze, Japan
07:04 UTC · 10.0 km deep
4.7
49 km E of Sulangan, Philippines
20:40 UTC · 10.0 km deep
4.7
114 km NW of Lautoka, Fiji
17:34 UTC · 10.0 km deep
4.7
24 km SW of Barinitas, Venezuela
06:48 UTC · 11.9 km deep
4.7
Izu Islands, Japan region
05:02 UTC · 10.0 km deep
Earthquake Map — December 19, 2020

All Earthquakes — December 19, 2020
Showing 30 of 138 (filtered from 323)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2020-12-19 2020-12-19 23:44:27 UTC | 2.4md | Puerto Rico region 17.956°, -66.747° | 17.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.4 event was detected in the Puerto Rico region on December 19, 2020, with origin time 23:44 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.6 earthquake that occurred about 8 hours earlier. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-19 2020-12-19 22:39:55 UTC | 4.5mb | 70 km WNW of San Antonio de los Cobres, Argentina -23.934°, -66.935° | 217.2 km | - | - | - | ✓ Reviewed | USGS → |
At 22:39 UTC on December 19, 2020, a magnitude 4.5 tremor occurred 70 km WNW of San Antonio de los Cobres, Argentina. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-19 2020-12-19 21:41:03 UTC | 4.2mb | 127 km WSW of Nikolski, Alaska 52.374°, -170.498° | 53.5 km | - | - | - | ✓ Reviewed | USGS → |
On December 19, 2020, worldwide seismic activity registered a magnitude 4.2 earthquake 127 km WSW of Nikolski, Alaska at 21:41 UTC. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-19 2020-12-19 21:32:17 UTC | 2.3ml | 142 km SSE of Sand Point, Alaska 54.100°, -159.915° | 24.4 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.3 earthquake 142 km SSE of Sand Point, Alaska at 21:32 UTC on December 19, 2020. This event falls inside the aftershock decay of a nearby magnitude 2.4 earthquake that occurred about 10 hours earlier. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-19 2020-12-19 21:12:00 UTC | 2.2mb_lg | 4 km NE of Eastborough, Kansas 37.716°, -97.226° | 5.3 km | 50 | - | - | ✓ Reviewed | USGS → |
On December 19, 2020, worldwide seismic activity registered a magnitude 2.2 earthquake 4 km NE of Eastborough, Kansas at 21:12 UTC. It arrived roughly 2 hours after a larger magnitude 3.4 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-19 2020-12-19 21:06:13 UTC | 2.0ml | 20 km WNW of Stanley, Idaho 44.284°, -115.179° | 9.7 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.0 seismic event took place 20 km WNW of Stanley, Idaho on December 19, 2020 at 21:06 UTC. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-19 2020-12-19 21:05:12 UTC | 2.5ml | 108 km SSE of Sand Point, Alaska 54.482°, -159.697° | 20.3 km | - | - | - | ✓ Reviewed | USGS → |
On December 19, 2020, worldwide seismic activity registered a magnitude 2.5 earthquake 108 km SSE of Sand Point, Alaska at 21:05 UTC. It arrived roughly 21 hours after a larger magnitude 5.0 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-19 2020-12-19 20:58:26 UTC | 4.6mb | 52 km W of Ambunti, Papua New Guinea -4.199°, 142.349° | 108.2 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.6 seismic event took place 52 km W of Ambunti, Papua New Guinea on December 19, 2020 at 20:58 UTC. The event was offshore. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-19 2020-12-19 20:40:54 UTC | 4.7mb | 49 km E of Sulangan, Philippines 10.849°, 126.273° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 20:40 UTC on December 19, 2020, a magnitude 4.7 tremor occurred 49 km E of Sulangan, Philippines. The event was offshore. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-19 2020-12-19 20:37:54 UTC | 2.5ml | 63 km ENE of Adak, Alaska 52.099°, -175.787° | 217.2 km | - | - | - | ✓ Reviewed | USGS → |
At 20:37 UTC on December 19, 2020, a magnitude 2.5 tremor occurred 63 km ENE of Adak, Alaska. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-19 2020-12-19 20:35:47 UTC | 2.3md | 12 km SSE of Guánica, Puerto Rico 17.866°, -66.875° | 11.0 km | - | - | - | ✓ Reviewed | USGS → |
On December 19, 2020, worldwide seismic activity registered a magnitude 2.3 earthquake 12 km SSE of Guánica, Puerto Rico at 20:35 UTC. Coming 6 hours after a magnitude 2.7 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. | ||||||||
2020-12-19 2020-12-19 20:00:19 UTC | 3.3md | 5 km SE of Pájaros, Puerto Rico 18.334°, -66.177° | 62.0 km | 2 | - | - | ✓ Reviewed | USGS → |
At 20:00 UTC on December 19, 2020, a magnitude 3.3 tremor occurred 5 km SE of Pájaros, Puerto Rico. The event was offshore. See the M3.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-19 2020-12-19 19:53:12 UTC | 3.2ml | 236 km W of Ferndale, California 40.371°, -127.034° | 13.2 km | 1 | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 3.2 earthquake 236 km W of Ferndale, California at 19:53 UTC on December 19, 2020. The event was offshore. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-19 2020-12-19 19:49:46 UTC | 4.0mb | 219 km NE of Lospalos, Timor Leste -7.225°, 128.508° | 148.4 km | - | - | - | ✓ Reviewed | USGS → |
December 19, 2020 brought a magnitude 4.0 earthquake 219 km NE of Lospalos, Timor Leste, logged at 19:49 UTC. The event was offshore. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-19 2020-12-19 19:46:45 UTC | 2.9ml | 96 km SSE of Sand Point, Alaska 54.583°, -159.764° | 21.6 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.9 earthquake 96 km SSE of Sand Point, Alaska at 19:46 UTC on December 19, 2020. It arrived roughly 20 hours after a larger magnitude 5.0 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. | ||||||||
2020-12-19 2020-12-19 19:40:24 UTC | 2.3ml | 38 km SE of Mina, Nevada 38.190°, -117.745° | 11.1 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.3 event was detected 38 km SE of Mina, Nevada on December 19, 2020, with origin time 19:40 UTC. Coming 12 hours after a magnitude 2.5 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. | ||||||||
2020-12-19 2020-12-19 19:29:41 UTC | 4.2mb | Banda Sea -6.823°, 130.054° | 155.9 km | - | - | - | ✓ Reviewed | USGS → |
At 19:29 UTC on December 19, 2020, 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. | ||||||||
2020-12-19 2020-12-19 19:18:18 UTC | 2.5mb_lg | 3 km NE of Eastborough, Kansas 37.715°, -97.237° | 7.8 km | 170 | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.5 earthquake 3 km NE of Eastborough, Kansas at 19:18 UTC on December 19, 2020. Coming 1 hours after a magnitude 3.4 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-19 2020-12-19 18:58:03 UTC | 2.2ml | 18 km S of Volcano, Hawaii 19.278°, -155.209° | 0.8 km | - | - | - | ✓ Reviewed | USGS → |
At 18:58 UTC on December 19, 2020, a magnitude 2.2 tremor occurred 18 km S of Volcano, Hawaii. This event falls inside the aftershock decay of a nearby magnitude 3.1 earthquake that occurred about 16 hours earlier. 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. | ||||||||
2020-12-19 2020-12-19 18:52:23 UTC | 3.4mb_lg | 5 km NE of Eastborough, Kansas 37.721°, -97.215° | 5.0 km | 388 | - | - | ✓ Reviewed | USGS → |
On December 19, 2020 at 18:52 UTC, a magnitude 3.4 earthquake struck 5 km NE of Eastborough, Kansas. The event was offshore. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-19 2020-12-19 18:47:54 UTC | 3.4mwr | 4 km NE of Eastborough, Kansas 37.716°, -97.228° | 5.0 km | 805 | IV | - | ✓ Reviewed | USGS → |
A magnitude 3.4 earthquake was recorded 4 km NE of Eastborough, Kansas on December 19, 2020 at 18:47 UTC. The event was offshore. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-19 2020-12-19 18:47:53 UTC | 2.6ml | 103 km ESE of Akutan, Alaska 53.881°, -164.259° | 19.1 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.6 earthquake 103 km ESE of Akutan, Alaska at 18:47 UTC on December 19, 2020. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-19 2020-12-19 18:40:47 UTC | 3.1ml | Andreanof Islands, Aleutian Islands, Alaska 52.048°, -173.132° | 128.4 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 3.1 event was detected near Andreanof Islands, Aleutian Islands, Alaska on December 19, 2020, with origin time 18:40 UTC. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-19 2020-12-19 18:40:46 UTC | 2.7mb_lg | 2 km ENE of Eastborough, Kansas 37.697°, -97.233° | 5.0 km | 175 | - | - | ✓ Reviewed | USGS → |
A magnitude 2.7 earthquake was recorded 2 km ENE of Eastborough, Kansas on December 19, 2020 at 18:40 UTC. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-19 2020-12-19 18:40:10 UTC | 2.9ml | 23km NNE of San Ardo, CA 36.194°, -120.770° | 7.7 km | 6 | - | - | ✓ Reviewed | USGS → |
This magnitude 2.9 event was detected 23km NNE of San Ardo, CA on December 19, 2020, with origin time 18:40 UTC. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-19 2020-12-19 18:26:20 UTC | 3.1ml | 87 km SSE of Akutan, Alaska 53.394°, -165.338° | 34.7 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 3.1 earthquake 87 km SSE of Akutan, Alaska came in on December 19, 2020 at 18:26 UTC. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-19 2020-12-19 17:48:01 UTC | 2.4md | 10 km E of P?hala, Hawaii 19.219°, -155.378° | 32.4 km | 2 | - | - | ✓ Reviewed | USGS → |
At 17:48 UTC on December 19, 2020, a magnitude 2.4 tremor occurred 10 km E of P?hala, Hawaii. Coming 17 hours after a magnitude 3.3 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-19 2020-12-19 17:45:54 UTC | 2.6ml | 25 km S of Mina, Nevada 38.158°, -118.098° | 4.8 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.6 event was detected 25 km S of Mina, Nevada on December 19, 2020, with origin time 17:45 UTC. Coming 1 hours after a magnitude 3.0 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 M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-19 2020-12-19 17:43:34 UTC | 2.5ml | 261 km SW of Yakutat, Alaska 57.862°, -142.870° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.5 event was detected 261 km SW of Yakutat, Alaska on December 19, 2020, with origin time 17:43 UTC. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-19 2020-12-19 17:43:19 UTC | 3.0ml | 26 km S of Mina, Nevada 38.156°, -118.101° | 4.8 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.0 earthquake was recorded 26 km S of Mina, Nevada on December 19, 2020 at 17:43 UTC. In the 72 hours after this event, the USGS recorded 11 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M3.0 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 December 19, 2020. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.