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Earthquakes on December 21, 2022

312
EARTHQUAKES on December 21, 2022
24-hour UTC period · USGS data
10 km deep
Elevated activity
compared to daily average (~250/day)

Magnitude Breakdown

M5.0+
5
M4.0–4.9
29
M3.0–3.9
16
M2.0–2.9
88
M1.0–1.9
174

Activity Summary

312
Total earthquakes
~250
Daily average
Elevated
Activity level
5
M5.0+ events

Geographic Breakdown

Top Countries (International)

Earthquake Map — December 21, 2022

Map showing earthquake epicenter at 20.00°, 0.00°

All Earthquakes — December 21, 2022

Showing 30 of 138 (filtered from 312)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
Time Mag Location Depth Felt MMIAlertStatusDetails
2022-12-21
2022-12-21 23:37:44 UTC
2.0ml
53 km NNE of Kobuk, Alaska
67.316°, -156.231°
13.9 km---✓ ReviewedUSGS →
At 23:37 UTC on December 21, 2022, a magnitude 2.0 tremor occurred 53 km NNE of Kobuk, Alaska. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
2022-12-21
2022-12-21 23:36:22 UTC
2.9ml
107 km SSE of Akhiok, Alaska
56.142°, -153.207°
22.9 km---✓ ReviewedUSGS →
On December 21, 2022, worldwide seismic activity registered a magnitude 2.9 earthquake 107 km SSE of Akhiok, Alaska at 23:36 UTC. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data.
2022-12-21
2022-12-21 23:11:11 UTC
2.0md
4 km SSW of P?hala, Hawaii
19.164°, -155.490°
33.0 km---AutoUSGS →
A magnitude 2.0 seismic event took place 4 km SSW of P?hala, Hawaii on December 21, 2022 at 23:11 UTC. Coming 17 hours after a magnitude 3.4 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.
2022-12-21
2022-12-21 23:04:16 UTC
2.4md
9km SW of Ferndale, CA
40.530°, -124.351°
17.3 km---✓ ReviewedUSGS →
The USGS recorded this magnitude 2.4 earthquake 9km SW of Ferndale, CA at 23:04 UTC on December 21, 2022. This event falls inside the aftershock decay of a nearby magnitude 3.0 earthquake that occurred about 22 hours earlier. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data.
2022-12-21
2022-12-21 22:52:23 UTC
2.4md
4km SSE of Ferndale, CA
40.539°, -124.245°
23.1 km1--✓ ReviewedUSGS →
December 21, 2022 brought a magnitude 2.4 earthquake 4km SSE of Ferndale, CA, logged at 22:52 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.3 earthquake that occurred about 6 hours earlier. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data.
2022-12-21
2022-12-21 22:49:54 UTC
4.5mb
South Sandwich Islands region
-57.768°, -25.206°
35.0 km---✓ ReviewedUSGS →
A magnitude 4.5 seismic event took place in the South Sandwich Islands region on December 21, 2022 at 22:49 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data.
2022-12-21
2022-12-21 21:58:44 UTC
2.3ml
13km E of Little Lake, CA
35.932°, -117.761°
7.5 km---✓ ReviewedUSGS →
Reports of a magnitude 2.3 earthquake 13km E of Little Lake, CA came in on December 21, 2022 at 21:58 UTC. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data.
2022-12-21
2022-12-21 21:40:04 UTC
3.1md
4 km E of La Parguera, Puerto Rico
17.968°, -67.000°
6.0 km---✓ ReviewedUSGS →
Seismographs logged a magnitude 3.1 earthquake 4 km E of La Parguera, Puerto Rico with origin time 21:40 UTC on December 21, 2022. The event was offshore. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
2022-12-21
2022-12-21 21:18:27 UTC
4.2mb
7 km SSW of Kuningan, Indonesia
-7.037°, 108.461°
11.7 km1--✓ ReviewedUSGS →
December 21, 2022 brought a magnitude 4.2 earthquake 7 km SSW of Kuningan, Indonesia, logged at 21:18 UTC. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2022-12-21
2022-12-21 21:09:06 UTC
5.1mb
Kermadec Islands region
-31.347°, -178.418°
28.0 km---✓ ReviewedUSGS →
On December 21, 2022, worldwide seismic activity registered a magnitude 5.1 earthquake in the Kermadec Islands region at 21:09 UTC. See the M5.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
2022-12-21
2022-12-21 20:56:12 UTC
2.6md
13km NE of Hydesville, CA
40.638°, -124.008°
18.3 km7--✓ ReviewedUSGS →
On December 21, 2022, worldwide seismic activity registered a magnitude 2.6 earthquake 13km NE of Hydesville, CA at 20:56 UTC. It arrived roughly 4 hours after a larger magnitude 3.3 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data.
2022-12-21
2022-12-21 20:53:24 UTC
2.1md
12km ENE of Fortuna, CA
40.649°, -124.025°
19.5 km---✓ ReviewedUSGS →
At 20:53 UTC on December 21, 2022, a magnitude 2.1 tremor occurred 12km ENE of Fortuna, CA. It arrived roughly 4 hours after a larger magnitude 3.3 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
2022-12-21
2022-12-21 20:44:28 UTC
4.7mb
off the coast of Ecuador
1.388°, -85.261°
10.0 km---✓ ReviewedUSGS →
A magnitude 4.7 earthquake was recorded near off the coast of Ecuador on December 21, 2022 at 20:44 UTC. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data.
2022-12-21
2022-12-21 20:19:35 UTC
3.2ml
17 km N of Ninilchik, Alaska
60.200°, -151.726°
67.0 km1--✓ ReviewedUSGS →
December 21, 2022 brought a magnitude 3.2 earthquake 17 km N of Ninilchik, Alaska, logged at 20:19 UTC. The event was offshore. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2022-12-21
2022-12-21 20:05:35 UTC
2.1ml
50 km NW of Toyah, Texas
31.609°, -104.199°
6.1 km---✓ ReviewedUSGS →
A magnitude 2.1 earthquake was recorded 50 km NW of Toyah, Texas on December 21, 2022 at 20:05 UTC. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
2022-12-21
2022-12-21 20:00:20 UTC
2.4md
5 km ESE of Punta Santiago, Puerto Rico
18.155°, -65.697°
17.8 km---✓ ReviewedUSGS →
A magnitude 2.4 seismic event took place 5 km ESE of Punta Santiago, Puerto Rico on December 21, 2022 at 20:00 UTC. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data.
2022-12-21
2022-12-21 19:45:28 UTC
2.4md
23km WSW of Petrolia, CA
40.275°, -124.553°
6.3 km---✓ ReviewedUSGS →
Reports of a magnitude 2.4 earthquake 23km WSW of Petrolia, CA came in on December 21, 2022 at 19:45 UTC. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data.
2022-12-21
2022-12-21 19:33:15 UTC
4.2mb
26 km SE of Jurm, Afghanistan
36.718°, 71.073°
221.4 km---✓ ReviewedUSGS →
On December 21, 2022 at 19:33 UTC, a magnitude 4.2 earthquake struck 26 km SE of Jurm, Afghanistan. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2022-12-21
2022-12-21 19:22:34 UTC
2.4ml
60 km ESE of Pope-Vannoy Landing, Alaska
59.313°, -153.537°
98.3 km---✓ ReviewedUSGS →
A magnitude 2.4 earthquake was recorded 60 km ESE of Pope-Vannoy Landing, Alaska on December 21, 2022 at 19:22 UTC. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data.
2022-12-21
2022-12-21 19:02:29 UTC
2.2ml
5 km SSW of Pāhala, Hawaii
19.152°, -155.494°
31.9 km---✓ ReviewedUSGS →
A magnitude 2.2 earthquake was recorded 5 km SSW of Pāhala, Hawaii on December 21, 2022 at 19:02 UTC. It arrived roughly 13 hours after a larger magnitude 3.4 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.
2022-12-21
2022-12-21 18:53:54 UTC
4.9mb
21 km SE of Riosucio, Colombia
7.311°, -76.974°
39.7 km---✓ ReviewedUSGS →
The USGS recorded this magnitude 4.9 earthquake 21 km SE of Riosucio, Colombia at 18:53 UTC on December 21, 2022. The event was offshore. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data.
2022-12-21
2022-12-21 18:30:30 UTC
3.1ml
251 km W of Adak, Alaska
51.719°, 179.723°
95.8 km---✓ ReviewedUSGS →
On December 21, 2022, worldwide seismic activity registered a magnitude 3.1 earthquake 251 km W of Adak, Alaska at 18:30 UTC. The event was offshore. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
2022-12-21
2022-12-21 18:14:52 UTC
2.0ml
55 km SE of Adak, Alaska
51.534°, -176.048°
29.2 km---✓ ReviewedUSGS →
The USGS recorded this magnitude 2.0 earthquake 55 km SE of Adak, Alaska at 18:14 UTC on December 21, 2022. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
2022-12-21
2022-12-21 17:59:17 UTC
2.2md
5km NNE of Hydesville, CA
40.592°, -124.085°
21.3 km---✓ ReviewedUSGS →
On December 21, 2022, worldwide seismic activity registered a magnitude 2.2 earthquake 5km NNE of Hydesville, CA at 17:59 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.3 earthquake that occurred about 2 hours earlier. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2022-12-21
2022-12-21 17:58:00 UTC
4.9mb
Kuril Islands
47.425°, 152.256°
117.0 km---✓ ReviewedUSGS →
This magnitude 4.9 event was detected near Kuril Islands on December 21, 2022, with origin time 17:58 UTC. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data.
2022-12-21
2022-12-21 17:42:25 UTC
3.8mwr
22 km NW of Stanley, Idaho
44.343°, -115.165°
10.0 km9III-✓ ReviewedUSGS →
At 17:42 UTC on December 21, 2022, a magnitude 3.8 tremor occurred 22 km NW of Stanley, Idaho. The event was offshore. See the M3.8 event page for the full report, ShakeMap, and citizen-reported intensity data.
2022-12-21
2022-12-21 17:33:11 UTC
4.6mb
65 km SW of Atocha, Bolivia
-21.409°, -66.593°
225.3 km---✓ ReviewedUSGS →
At 17:33 UTC on December 21, 2022, a magnitude 4.6 tremor occurred 65 km SW of Atocha, Bolivia. The event was offshore. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data.
2022-12-21
2022-12-21 17:12:40 UTC
3.3ml
204 km WSW of Adak, Alaska
51.515°, -179.531°
65.7 km---✓ ReviewedUSGS →
Reports of a magnitude 3.3 earthquake 204 km WSW of Adak, Alaska came in on December 21, 2022 at 17:12 UTC. See the M3.3 event page for the full report, ShakeMap, and citizen-reported intensity data.
2022-12-21
2022-12-21 17:12:18 UTC
2.3md
7km SSW of Ferndale, CA
40.524°, -124.310°
17.4 km2--✓ ReviewedUSGS →
At 17:12 UTC on December 21, 2022, a magnitude 2.3 tremor occurred 7km SSW of Ferndale, CA. This event falls inside the aftershock decay of a nearby magnitude 3.0 earthquake that occurred about 16 hours earlier. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data.
2022-12-21
2022-12-21 17:02:21 UTC
2.2ml
31 km SSW of Atka, Alaska
51.920°, -174.323°
32.8 km---✓ ReviewedUSGS →
This magnitude 2.2 event was detected 31 km SSW of Atka, Alaska on December 21, 2022, with origin time 17:02 UTC. See the M2.2 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 21, 2022. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.