Earthquakes on December 11, 2020
341
EARTHQUAKES on December 11, 2020
24-hour UTC period · USGS data
LARGEST: M5.1 — south of the Kermadec Islands
43 km deep
Elevated activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
2
M4.0–4.9
25
M3.0–3.9
11
M2.0–2.9
78
M1.0–1.9
225
Activity Summary
341
Total earthquakes
~250
Daily average
Elevated
Activity level
2
M5.0+ events
Significant Earthquakes (M4.5+)
5.1
south of the Kermadec Islands
15:30 UTC · 43.5 km deep
5.1
southwestern Ryukyu Islands, Japan
09:48 UTC · 19.5 km deep
4.9
87 km SSE of Panguna, Papua New Guinea
01:31 UTC · 70.6 km deep
4.8
Vanuatu region
13:15 UTC · 10.0 km deep
4.8
95 km S of Hirara, Japan
12:58 UTC · 26.6 km deep
4.7
24 km SSW of Ger?sh, Iran
20:47 UTC · 10.0 km deep
4.7
274 km E of Levuka, Fiji
14:25 UTC · 511.7 km deep
4.7
Kermadec Islands region
11:16 UTC · 10.0 km deep
Earthquake Map — December 11, 2020
All Earthquakes — December 11, 2020
Showing 30 of 116 (filtered from 341)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2020-12-11 2020-12-11 23:33:00 UTC | 3.0ml | 98 km SSW of Nikolski, Alaska 52.094°, -169.299° | 30.9 km | - | - | - | ✓ Reviewed | USGS → |
At 23:33 UTC on December 11, 2020, a magnitude 3.0 tremor occurred 98 km SSW of Nikolski, Alaska. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-11 2020-12-11 23:16:02 UTC | 2.2md | 5km SSW of San Ardo, CA 35.979°, -120.927° | 11.3 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.2 earthquake 5km SSW of San Ardo, CA at 23:16 UTC on December 11, 2020. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-11 2020-12-11 22:51:30 UTC | 2.3md | 3 km WSW of Tallaboa, Puerto Rico 17.983°, -66.745° | 14.0 km | - | - | - | ✓ Reviewed | USGS → |
On December 11, 2020 at 22:51 UTC, a magnitude 2.3 earthquake struck 3 km WSW of Tallaboa, Puerto Rico. Coming 5 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. | ||||||||
2020-12-11 2020-12-11 22:45:10 UTC | 2.3md | 3 km SE of Magas Arriba, Puerto Rico 17.998°, -66.748° | 13.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.3 earthquake 3 km SE of Magas Arriba, Puerto Rico came in on December 11, 2020 at 22:45 UTC. It arrived roughly 5 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 M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-11 2020-12-11 22:35:07 UTC | 2.3md | 6 km E of La Parguera, Puerto Rico 17.966°, -66.984° | 8.0 km | - | - | - | ✓ Reviewed | USGS → |
At 22:35 UTC on December 11, 2020, a magnitude 2.3 tremor occurred 6 km E of La Parguera, Puerto Rico. Coming 5 hours after a magnitude 3.0 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. | ||||||||
2020-12-11 2020-12-11 22:11:38 UTC | 4.4mwr | 86 km S of Arica, Chile -19.250°, -70.234° | 51.7 km | 13 | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.4 earthquake 86 km S of Arica, Chile came in on December 11, 2020 at 22:11 UTC. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-11 2020-12-11 22:09:36 UTC | 2.0ml | 58 km ESE of Whittier, Alaska 60.596°, -147.682° | 6.3 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.0 earthquake was recorded 58 km ESE of Whittier, Alaska on December 11, 2020 at 22:09 UTC. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-11 2020-12-11 22:01:46 UTC | 2.0ml | 63 km SSE of Akutan, Alaska 53.622°, -165.341° | 13.3 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.0 earthquake 63 km SSE of Akutan, Alaska with origin time 22:01 UTC on December 11, 2020. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-11 2020-12-11 21:55:18 UTC | 4.3mb | south of the Fiji Islands -24.183°, 179.019° | 532.2 km | - | - | - | ✓ Reviewed | USGS → |
On December 11, 2020 at 21:55 UTC, a magnitude 4.3 earthquake struck south of the Fiji Islands. 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. | ||||||||
2020-12-11 2020-12-11 21:32:22 UTC | 2.3ml | 180 km WSW of Adak, Alaska 51.528°, -179.190° | 74.4 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.3 event was detected 180 km WSW of Adak, Alaska on December 11, 2020, with origin time 21:32 UTC. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-11 2020-12-11 21:09:59 UTC | 3.2md | 83 km N of Arecibo, Puerto Rico 19.215°, -66.592° | 26.0 km | - | - | - | ✓ Reviewed | USGS → |
On December 11, 2020, worldwide seismic activity registered a magnitude 3.2 earthquake 83 km N of Arecibo, Puerto Rico at 21:09 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. The event was offshore. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-11 2020-12-11 20:50:28 UTC | 3.2md | 75 km N of Arecibo, Puerto Rico 19.146°, -66.622° | 19.0 km | - | - | - | ✓ Reviewed | USGS → |
On December 11, 2020 at 20:50 UTC, a magnitude 3.2 earthquake struck 75 km N of Arecibo, Puerto Rico. The event was offshore. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-11 2020-12-11 20:47:53 UTC | 4.7mb | 24 km SSW of Ger?sh, Iran 27.461°, 54.044° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.7 earthquake 24 km SSW of Ger?sh, Iran at 20:47 UTC on December 11, 2020. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-11 2020-12-11 20:13:48 UTC | 2.1md | 5 km E of La Parguera, Puerto Rico 17.980°, -66.991° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
December 11, 2020 brought a magnitude 2.1 earthquake 5 km E of La Parguera, Puerto Rico, logged at 20:13 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.0 earthquake that occurred about 3 hours earlier. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-11 2020-12-11 19:57:29 UTC | 4.6mb | South Georgia Island region -55.330°, -36.099° | 16.5 km | - | - | - | ✓ Reviewed | USGS → |
On December 11, 2020 at 19:57 UTC, a magnitude 4.6 earthquake struck in the South Georgia Island region. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-11 2020-12-11 19:40:31 UTC | 3.6ml | 46 km NNW of Stanley, Idaho 44.583°, -115.229° | 11.0 km | 7 | III | - | ✓ Reviewed | USGS → |
Reports of a magnitude 3.6 earthquake 46 km NNW of Stanley, Idaho came in on December 11, 2020 at 19:40 UTC. See the M3.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-11 2020-12-11 19:36:51 UTC | 2.2ml | 85 km S of False Pass, Alaska 54.086°, -163.406° | 25.4 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.2 earthquake was recorded 85 km S of False Pass, Alaska on December 11, 2020 at 19:36 UTC. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-11 2020-12-11 18:51:33 UTC | 2.3ml | 5 km SE of Leilani Estates, Hawaii 19.435°, -154.881° | 6.1 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.3 earthquake 5 km SE of Leilani Estates, Hawaii with origin time 18:51 UTC on December 11, 2020. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-11 2020-12-11 18:46:28 UTC | 2.2ml | 78 km S of Sand Point, Alaska 54.640°, -160.635° | 25.5 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.2 earthquake 78 km S of Sand Point, Alaska with origin time 18:46 UTC on December 11, 2020. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-11 2020-12-11 18:36:43 UTC | 2.7ml | 38 km SE of Mina, Nevada 38.186°, -117.759° | 10.6 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.7 earthquake 38 km SE of Mina, Nevada came in on December 11, 2020 at 18:36 UTC. In the 72 hours after this event, the USGS recorded 6 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-11 2020-12-11 18:35:44 UTC | 3.2ml | 79 km SSW of Kaktovik, Alaska 69.433°, -144.033° | 10.9 km | - | III | - | ✓ Reviewed | USGS → |
A magnitude 3.2 earthquake was recorded 79 km SSW of Kaktovik, Alaska on December 11, 2020 at 18:35 UTC. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-11 2020-12-11 18:30:10 UTC | 2.8ml | Minnesota 47.449°, -93.011° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
On December 11, 2020 at 18:30 UTC, a magnitude 2.8 earthquake struck near Minnesota. 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. | ||||||||
2020-12-11 2020-12-11 18:29:12 UTC | 2.0ml | 73 km SE of King Cove, Alaska 54.656°, -161.421° | 21.1 km | - | - | - | ✓ Reviewed | USGS → |
On December 11, 2020, worldwide seismic activity registered a magnitude 2.0 earthquake 73 km SE of King Cove, Alaska at 18:29 UTC. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-11 2020-12-11 18:28:09 UTC | 2.3ml | 1 km S of P?hala, Hawaii 19.189°, -155.480° | 30.3 km | - | - | - | Auto | USGS → |
The USGS recorded this magnitude 2.3 earthquake 1 km S of P?hala, Hawaii at 18:28 UTC on December 11, 2020. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-11 2020-12-11 18:15:10 UTC | 2.0md | 4 km SSE of P?hala, Hawaii 19.166°, -155.469° | 33.7 km | - | - | - | Auto | USGS → |
On December 11, 2020 at 18:15 UTC, a magnitude 2.0 earthquake struck 4 km SSE of P?hala, Hawaii. Coming 7 hours after a magnitude 2.3 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-11 2020-12-11 18:14:49 UTC | 2.8ml | 99 km SSE of Sand Point, Alaska 54.565°, -159.707° | 19.4 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.8 earthquake was recorded 99 km SSE of Sand Point, Alaska on December 11, 2020 at 18:14 UTC. Coming 1 hours after a magnitude 4.4 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. | ||||||||
2020-12-11 2020-12-11 18:11:03 UTC | 2.9md | 3 km SSW of Guánica, Puerto Rico 17.945°, -66.921° | 13.0 km | - | - | - | ✓ Reviewed | USGS → |
December 11, 2020 brought a magnitude 2.9 earthquake 3 km SSW of Guánica, Puerto Rico, logged at 18:11 UTC. It arrived roughly 1 hours after a larger magnitude 3.0 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. | ||||||||
2020-12-11 2020-12-11 17:45:15 UTC | 2.6ml | 9 km WSW of Knik, Alaska 61.439°, -149.896° | 30.0 km | - | - | - | ✓ Reviewed | USGS → |
On December 11, 2020, worldwide seismic activity registered a magnitude 2.6 earthquake 9 km WSW of Knik, Alaska at 17:45 UTC. Coming 6 hours after a magnitude 3.3 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. | ||||||||
2020-12-11 2020-12-11 17:32:31 UTC | 4.6mb | 122 km E of Neiafu, Tonga -18.745°, -172.822° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.6 earthquake was recorded 122 km E of Neiafu, Tonga on December 11, 2020 at 17:32 UTC. The event was offshore. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-11 2020-12-11 17:28:06 UTC | 2.1ml | 97 km ESE of Chenega, Alaska 59.717°, -146.407° | 0.6 km | - | - | - | ✓ Reviewed | USGS → |
December 11, 2020 brought a magnitude 2.1 earthquake 97 km ESE of Chenega, Alaska, logged at 17:28 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.1 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 11, 2020. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.