Earthquakes on December 30, 2021
232
EARTHQUAKES on December 30, 2021
24-hour UTC period · USGS data
LARGEST: M5.7 — South Sandwich Islands region
41 km deep
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
6
M4.0–4.9
44
M3.0–3.9
6
M2.0–2.9
54
M1.0–1.9
122
Activity Summary
232
Total earthquakes
~250
Daily average
Normal
Activity level
6
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
5.7
South Sandwich Islands region
04:58 UTC · 41.0 km deep
5.5
157 km SSE of Tondano, Indonesia
13:13 UTC · 42.0 km deep
5.3
73 km SW of Yonakuni, Japan
06:47 UTC · 20.9 km deep
Felt by 6
5.1
Kermadec Islands region
19:19 UTC · 10.0 km deep
5.1
Fiji region
00:19 UTC · 586.4 km deep
5.0
47 km SW of Karluk, Alaska
13:24 UTC · 58.6 km deep
Felt by 6
4.9
Kermadec Islands region
21:17 UTC · 10.0 km deep
4.9
115 km ENE of Iquique, Chile
16:37 UTC · 102.1 km deep
Felt by 8
Earthquake Map — December 30, 2021
All Earthquakes — December 30, 2021
Showing 30 of 110 (filtered from 232)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2021-12-30 2021-12-30 23:40:34 UTC | 2.2ml | 10 km ESE of Talkeetna, Alaska 62.291°, -149.928° | 2.0 km | - | - | - | ✓ Reviewed | USGS → |
On December 30, 2021 at 23:40 UTC, a magnitude 2.2 earthquake struck 10 km ESE of Talkeetna, Alaska. 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. | ||||||||
2021-12-30 2021-12-30 23:22:38 UTC | 4.2mb | Izu Islands, Japan region 30.977°, 142.370° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.2 seismic event took place in the Izu Islands, Japan region on December 30, 2021 at 23:22 UTC. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-30 2021-12-30 23:21:43 UTC | 2.0ml | 24 km WNW of Stanley, Idaho 44.309°, -115.212° | 13.3 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.0 earthquake 24 km WNW of Stanley, Idaho with origin time 23:21 UTC on December 30, 2021. It arrived roughly 2 hours after a larger magnitude 2.7 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-30 2021-12-30 23:12:00 UTC | 2.6md | 9km WSW of Petrolia, CA 40.282°, -124.379° | 21.7 km | - | - | - | ✓ Reviewed | USGS → |
On December 30, 2021 at 23:12 UTC, a magnitude 2.6 earthquake struck 9km WSW of Petrolia, CA. This event falls inside the aftershock decay of a nearby magnitude 2.6 earthquake that occurred about 11 hours earlier. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-30 2021-12-30 22:51:50 UTC | 2.5md | 23km W of Petrolia, CA 40.296°, -124.552° | 19.7 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.5 earthquake 23km W of Petrolia, CA with origin time 22:51 UTC on December 30, 2021. It arrived roughly 7 hours after a larger magnitude 2.7 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-30 2021-12-30 22:31:54 UTC | 2.2ml | 34 km SW of Manley Hot Springs, Alaska 64.761°, -151.106° | 17.4 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.2 earthquake was recorded 34 km SW of Manley Hot Springs, Alaska on December 30, 2021 at 22:31 UTC. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-30 2021-12-30 22:30:37 UTC | 2.7ml | 14 km SSE of Buffalo, Wyoming 44.220°, -106.651° | 5.0 km | - | - | - | ✓ Reviewed | USGS → |
On December 30, 2021, worldwide seismic activity registered a magnitude 2.7 earthquake 14 km SSE of Buffalo, Wyoming at 22:30 UTC. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-30 2021-12-30 21:55:46 UTC | 2.0md | 2 km SSW of P?hala, Hawaii 19.182°, -155.490° | 34.3 km | - | - | - | Auto | USGS → |
This magnitude 2.0 event was detected 2 km SSW of P?hala, Hawaii on December 30, 2021, with origin time 21:55 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.4 earthquake that occurred about 1 hours earlier. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-30 2021-12-30 21:55:02 UTC | 4.1mb | 6 km SW of Palaióchora, Greece 35.186°, 23.636° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.1 earthquake was recorded 6 km SW of Palaióchora, Greece on December 30, 2021 at 21:55 UTC. The event was offshore. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-30 2021-12-30 21:47:29 UTC | 2.7ml | 20 km WNW of Stanley, Idaho 44.301°, -115.164° | 10.0 km | 1 | - | - | ✓ Reviewed | USGS → |
At 21:47 UTC on December 30, 2021, a magnitude 2.7 tremor occurred 20 km WNW of Stanley, Idaho. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-30 2021-12-30 21:17:58 UTC | 4.9mb | Kermadec Islands region -28.861°, -176.529° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.9 event was detected in the Kermadec Islands region on December 30, 2021, with origin time 21:17 UTC. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-30 2021-12-30 21:08:17 UTC | 4.5mb | 113 km WNW of Rabaul, Papua New Guinea -3.756°, 151.241° | 2.7 km | - | - | - | ✓ Reviewed | USGS → |
On December 30, 2021, worldwide seismic activity registered a magnitude 4.5 earthquake 113 km WNW of Rabaul, Papua New Guinea at 21:08 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-30 2021-12-30 21:02:56 UTC | 2.3md | 0 km NNE of P?hala, Hawaii 19.208°, -155.476° | 32.4 km | - | - | - | Auto | USGS → |
The USGS recorded this magnitude 2.3 earthquake 0 km NNE of P?hala, Hawaii at 21:02 UTC on December 30, 2021. This event falls inside the aftershock decay of a nearby magnitude 2.4 earthquake that occurred about 1 hours earlier. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-30 2021-12-30 21:01:34 UTC | 2.4md | 3 km NE of P?hala, Hawaii 19.224°, -155.450° | 33.0 km | - | - | - | Auto | USGS → |
Seismographs logged a magnitude 2.4 earthquake 3 km NE of P?hala, Hawaii with origin time 21:01 UTC on December 30, 2021. 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 M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-30 2021-12-30 20:54:10 UTC | 2.2md | 15 km SSE of Sunnyside, Utah 39.426°, -110.298° | -2.8 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.2 seismic event took place 15 km SSE of Sunnyside, Utah on December 30, 2021 at 20:54 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. | ||||||||
2021-12-30 2021-12-30 20:53:09 UTC | 3.2ml | 20 km SSE of Wright, Wyoming 43.581°, -105.385° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
On December 30, 2021, worldwide seismic activity registered a magnitude 3.2 earthquake 20 km SSE of Wright, Wyoming at 20:53 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-30 2021-12-30 20:47:46 UTC | 2.9ml | 66 km SSE of King Cove, Alaska 54.515°, -161.892° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.9 seismic event took place 66 km SSE of King Cove, Alaska on December 30, 2021 at 20:47 UTC. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-30 2021-12-30 20:30:24 UTC | 4.8mb | 65 km NNE of Finschhafen, Papua New Guinea -6.006°, 148.067° | 72.8 km | - | - | - | ✓ Reviewed | USGS → |
December 30, 2021 brought a magnitude 4.8 earthquake 65 km NNE of Finschhafen, Papua New Guinea, logged at 20:30 UTC. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-30 2021-12-30 20:11:30 UTC | 3.3ml | 64 km WNW of Tanana, Alaska 65.416°, -153.341° | 12.2 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 3.3 earthquake 64 km WNW of Tanana, Alaska with origin time 20:11 UTC on December 30, 2021. See the M3.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-30 2021-12-30 19:55:34 UTC | 2.4md | 10km WNW of The Geysers, CA 38.825°, -122.850° | 2.2 km | - | - | - | ✓ Reviewed | USGS → |
On December 30, 2021, worldwide seismic activity registered a magnitude 2.4 earthquake 10km WNW of The Geysers, CA at 19:55 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-30 2021-12-30 19:39:33 UTC | 4.2mb | 26 km ENE of Severo-Kuril’sk, Russia 50.724°, 156.499° | 104.2 km | - | - | - | ✓ Reviewed | USGS → |
December 30, 2021 brought a magnitude 4.2 earthquake 26 km ENE of Severo-Kuril’sk, Russia, logged at 19:39 UTC. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-30 2021-12-30 19:29:09 UTC | 4.7mb | Kermadec Islands region -29.044°, -176.076° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On December 30, 2021 at 19:29 UTC, a magnitude 4.7 earthquake struck in the Kermadec Islands region. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-30 2021-12-30 19:21:07 UTC | 2.9mb_lg | 6 km E of Manchester, Oklahoma 37.004°, -97.967° | 5.0 km | 1 | - | - | ✓ Reviewed | USGS → |
December 30, 2021 brought a magnitude 2.9 earthquake 6 km E of Manchester, Oklahoma, logged at 19:21 UTC. The event was offshore. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-30 2021-12-30 19:19:29 UTC | 5.1mb | Kermadec Islands region -28.773°, -176.347° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On December 30, 2021, worldwide seismic activity registered a magnitude 5.1 earthquake in the Kermadec Islands region at 19:19 UTC. See the M5.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-30 2021-12-30 19:19:16 UTC | 4.5mb | off the east coast of Honshu, Japan 33.195°, 142.588° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 19:19 UTC on December 30, 2021, a magnitude 4.5 tremor occurred near off the east coast of Honshu, Japan. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-30 2021-12-30 19:11:56 UTC | 2.4md | 6 km ESE of Elgin, South Carolina 34.148°, -80.731° | 3.8 km | 87 | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.4 earthquake 6 km ESE of Elgin, South Carolina came in on December 30, 2021 at 19:11 UTC. Coming 7 hours after a magnitude 2.5 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 M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-30 2021-12-30 18:31:32 UTC | 4.6mb | 255 km S of Sinabang, Indonesia 0.186°, 96.659° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.6 earthquake 255 km S of Sinabang, Indonesia came in on December 30, 2021 at 18:31 UTC. The event was offshore. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-30 2021-12-30 18:28:07 UTC | 2.4ml | 61 km WNW of Happy Valley, Alaska 60.123°, -152.773° | 111.9 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.4 seismic event took place 61 km WNW of Happy Valley, Alaska on December 30, 2021 at 18:28 UTC. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-30 2021-12-30 18:09:04 UTC | 4.7mb | Mauritius - Reunion region -20.044°, 66.511° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.7 earthquake was recorded in the Mauritius - Reunion region on December 30, 2021 at 18:09 UTC. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-30 2021-12-30 18:07:07 UTC | 2.9md | 12km SE of Mineral, CA 40.273°, -121.472° | 7.6 km | 3 | - | - | ✓ Reviewed | USGS → |
This magnitude 2.9 event was detected 12km SE of Mineral, CA on December 30, 2021, with origin time 18:07 UTC. The event was offshore. See the M2.9 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 30, 2021. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.