Earthquakes on December 22, 2020
259
EARTHQUAKES on December 22, 2020
24-hour UTC period · USGS data
LARGEST: M5.4 — west of Macquarie Island
10 km deep
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
2
M4.0–4.9
34
M3.0–3.9
7
M2.0–2.9
55
M1.0–1.9
161
Activity Summary
259
Total earthquakes
~250
Daily average
Normal
Activity level
2
M5.0+ events
Significant Earthquakes (M4.5+)
5.4
west of Macquarie Island
01:47 UTC · 10.0 km deep
5.0
9 km NE of Santa Monica, Philippines
13:37 UTC · 55.0 km deep
Felt by 1
4.9
129 km NNW of Naze, Japan
18:24 UTC · 9.9 km deep
4.9
Greenland Sea
02:25 UTC · 10.0 km deep
4.9
29 km SW of Sarangani, Philippines
01:19 UTC · 53.3 km deep
4.9
21 km ENE of Nahr?n, Afghanistan
01:01 UTC · 26.1 km deep
4.8
37 km SE of Namie, Japan
17:04 UTC · 29.1 km deep
Felt by 1
4.7
Mariana Islands region
20:50 UTC · 10.0 km deep
Earthquake Map — December 22, 2020

All Earthquakes — December 22, 2020
Showing 30 of 98 (filtered from 259)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2020-12-22 2020-12-22 23:59:47 UTC | 2.4ml | 110 km SSE of Sand Point, Alaska 54.392°, -159.962° | 6.8 km | - | - | - | ✓ Reviewed | USGS → |
December 22, 2020 brought a magnitude 2.4 earthquake 110 km SSE of Sand Point, Alaska, logged at 23:59 UTC. Coming 9 hours after a magnitude 3.4 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-22 2020-12-22 23:58:40 UTC | 2.4ml | 1 km ENE of Quinton, Oklahoma 35.130°, -95.357° | 6.8 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.4 seismic event took place 1 km ENE of Quinton, Oklahoma on December 22, 2020 at 23:58 UTC. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-22 2020-12-22 23:28:59 UTC | 2.9md | 24 km W of Rincón, Puerto Rico 18.352°, -67.481° | 18.0 km | - | - | - | ✓ Reviewed | USGS → |
On December 22, 2020, worldwide seismic activity registered a magnitude 2.9 earthquake 24 km W of Rincón, Puerto Rico at 23:28 UTC. The event was offshore. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-22 2020-12-22 23:28:06 UTC | 2.0ml | Central Alaska 62.227°, -147.853° | 38.2 km | - | - | - | ✓ Reviewed | USGS → |
On December 22, 2020, worldwide seismic activity registered a magnitude 2.0 earthquake near Central Alaska at 23:28 UTC. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-22 2020-12-22 22:49:34 UTC | 2.3ml | Alaska Peninsula 55.027°, -159.474° | 6.2 km | - | - | - | ✓ Reviewed | USGS → |
December 22, 2020 brought a magnitude 2.3 earthquake near Alaska Peninsula, logged at 22:49 UTC. It arrived roughly 20 hours after a larger magnitude 2.4 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-22 2020-12-22 22:45:01 UTC | 4.6mb | 105 km SE of Shimoda, Japan 34.002°, 139.746° | 118.1 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.6 seismic event took place 105 km SE of Shimoda, Japan on December 22, 2020 at 22:45 UTC. The event was offshore. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-22 2020-12-22 22:25:16 UTC | 2.7ml | 112 km SSE of Sand Point, Alaska 54.383°, -159.907° | 22.2 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.7 earthquake was recorded 112 km SSE of Sand Point, Alaska on December 22, 2020 at 22:25 UTC. It arrived roughly 8 hours after a larger magnitude 3.4 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-22 2020-12-22 21:58:38 UTC | 2.2md | 1km WNW of The Geysers, CA 38.779°, -122.764° | 1.4 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.2 earthquake 1km WNW of The Geysers, CA came in on December 22, 2020 at 21:58 UTC. 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. | ||||||||
2020-12-22 2020-12-22 21:56:36 UTC | 2.0ml | 12 km NNE of Sprague, Washington 47.399°, -117.902° | -0.4 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.0 earthquake was recorded 12 km NNE of Sprague, Washington on December 22, 2020 at 21:56 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. | ||||||||
2020-12-22 2020-12-22 21:48:36 UTC | 4.2mb | 125 km E of Sarangani, Philippines 5.256°, 126.586° | 72.1 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.2 earthquake 125 km E of Sarangani, Philippines with origin time 21:48 UTC on December 22, 2020. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-22 2020-12-22 21:24:12 UTC | 2.3ml | 114 km SSE of Sand Point, Alaska 54.357°, -159.952° | 15.9 km | - | - | - | ✓ Reviewed | USGS → |
On December 22, 2020 at 21:24 UTC, a magnitude 2.3 earthquake struck 114 km SSE of Sand Point, Alaska. This event falls inside the aftershock decay of a nearby magnitude 3.4 earthquake that occurred about 7 hours earlier. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-22 2020-12-22 21:03:11 UTC | 2.9ml | 15 km SE of Wright, Wyoming 43.645°, -105.365° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
At 21:03 UTC on December 22, 2020, a magnitude 2.9 tremor occurred 15 km SE of Wright, Wyoming. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-22 2020-12-22 20:50:50 UTC | 4.7mb | Mariana Islands region 17.074°, 147.804° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.7 earthquake in the Mariana Islands region came in on December 22, 2020 at 20:50 UTC. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-22 2020-12-22 20:47:59 UTC | 2.6ml | 60 km SW of Unalaska, Alaska 53.450°, -167.103° | 18.4 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.6 earthquake 60 km SW of Unalaska, Alaska with origin time 20:47 UTC on December 22, 2020. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-22 2020-12-22 20:28:11 UTC | 2.1md | 5 km S of Indios, Puerto Rico 17.946°, -66.824° | 11.0 km | - | - | - | ✓ Reviewed | USGS → |
December 22, 2020 brought a magnitude 2.1 earthquake 5 km S of Indios, Puerto Rico, logged at 20:28 UTC. Coming 17 hours after a magnitude 2.4 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-22 2020-12-22 20:27:23 UTC | 4.5mb | 7 km NNW of Scoglitti, Italy 36.955°, 14.407° | 23.0 km | 18 | - | - | ✓ Reviewed | USGS → |
December 22, 2020 brought a magnitude 4.5 earthquake 7 km NNW of Scoglitti, Italy, logged at 20:27 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-22 2020-12-22 19:33:53 UTC | 2.0ml | Southern Alaska 61.912°, -150.924° | 68.8 km | - | - | - | ✓ Reviewed | USGS → |
At 19:33 UTC on December 22, 2020, a magnitude 2.0 tremor occurred near Southern Alaska. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-22 2020-12-22 19:33:39 UTC | 2.2md | 10 km E of P?hala, Hawaii 19.209°, -155.379° | 30.2 km | - | - | - | Auto | USGS → |
The USGS recorded this magnitude 2.2 earthquake 10 km E of P?hala, Hawaii at 19:33 UTC on December 22, 2020. It arrived roughly 1 hours after a larger magnitude 2.3 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. | ||||||||
2020-12-22 2020-12-22 19:07:00 UTC | 2.4md | 4km NNW of Redwood Valley, CA 39.304°, -123.214° | 6.7 km | 6 | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.4 earthquake 4km NNW of Redwood Valley, CA at 19:07 UTC on December 22, 2020. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-22 2020-12-22 18:41:39 UTC | 2.3ml | 4 km S of P?hala, Hawaii 19.165°, -155.472° | 32.3 km | - | - | - | Auto | USGS → |
Reports of a magnitude 2.3 earthquake 4 km S of P?hala, Hawaii came in on December 22, 2020 at 18:41 UTC. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-22 2020-12-22 18:24:35 UTC | 4.9mww | 129 km NNW of Naze, Japan 29.402°, 128.862° | 9.9 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.9 earthquake 129 km NNW of Naze, Japan with origin time 18:24 UTC on December 22, 2020. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-22 2020-12-22 17:54:45 UTC | 2.0ml | 54 km W of Anchor Point, Alaska 59.795°, -152.806° | 87.7 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.0 earthquake 54 km W of Anchor Point, Alaska at 17:54 UTC on December 22, 2020. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-22 2020-12-22 17:53:50 UTC | 3.5md | 52 km NNE of Cruz Bay, U.S. Virgin Islands 18.768°, -64.594° | 32.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 3.5 event was detected 52 km NNE of Cruz Bay, U.S. Virgin Islands on December 22, 2020, with origin time 17:53 UTC. See the M3.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-22 2020-12-22 17:34:40 UTC | 2.1ml | Island of Hawaii, Hawaii 19.396°, -155.286° | 0.3 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.1 earthquake was recorded near Island of Hawaii, Hawaii on December 22, 2020 at 17:34 UTC. It arrived roughly 12 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 M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-22 2020-12-22 17:23:57 UTC | 4.3mb | 139 km N of Neiafu, Tonga -17.391°, -173.899° | 548.5 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.3 earthquake 139 km N of Neiafu, Tonga at 17:23 UTC on December 22, 2020. 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. | ||||||||
2020-12-22 2020-12-22 17:21:53 UTC | 2.3md | 5 km NE of Greenback, Tennessee 35.689°, -84.127° | 11.4 km | 3 | - | - | ✓ Reviewed | USGS → |
A magnitude 2.3 seismic event took place 5 km NE of Greenback, Tennessee on December 22, 2020 at 17:21 UTC. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-22 2020-12-22 17:04:07 UTC | 4.8mb | 37 km SE of Namie, Japan 37.233°, 141.283° | 29.1 km | 1 | - | - | ✓ Reviewed | USGS → |
This magnitude 4.8 event was detected 37 km SE of Namie, Japan on December 22, 2020, with origin time 17:04 UTC. The event was offshore. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-22 2020-12-22 16:59:40 UTC | 2.4ml | 113 km SSE of Sand Point, Alaska 54.429°, -159.695° | 26.2 km | - | - | - | ✓ Reviewed | USGS → |
On December 22, 2020 at 16:59 UTC, a magnitude 2.4 earthquake struck 113 km SSE of Sand Point, Alaska. 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. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-22 2020-12-22 16:37:28 UTC | 2.6ml | 27 km S of Mina, Nevada 38.145°, -118.105° | 1.2 km | - | - | - | ✓ Reviewed | USGS → |
On December 22, 2020, worldwide seismic activity registered a magnitude 2.6 earthquake 27 km S of Mina, Nevada at 16:37 UTC. In the 72 hours after this event, the USGS recorded 10 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-22 2020-12-22 16:35:34 UTC | 4.1mb | 40 km S of Yuzhno-Kurilsk, Russia 43.670°, 145.773° | 117.1 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.1 seismic event took place 40 km S of Yuzhno-Kurilsk, Russia on December 22, 2020 at 16:35 UTC. The event was offshore. See the M4.1 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 22, 2020. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.