Earthquakes on December 19, 2021
250
EARTHQUAKES on December 19, 2021
24-hour UTC period · USGS data
LARGEST: M6.2 — 85 km W of Labasa, Fiji
10 km deep · 18 people felt it
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
4
M4.0–4.9
26
M3.0–3.9
11
M2.0–2.9
46
M1.0–1.9
163
Activity Summary
250
Total earthquakes
~250
Daily average
Normal
Activity level
4
M5.0+ events
Significant Earthquakes (M4.5+)
6.2
85 km W of Labasa, Fiji
16:28 UTC · 10.0 km deep
Felt by 18
5.5
53 km NW of Sainyabuli, Laos
21:06 UTC · 10.0 km deep
Felt by 27
5.1
225 km N of Bamboo Flat, India
03:19 UTC · 10.0 km deep
5.0
South Sandwich Islands region
08:09 UTC · 35.0 km deep
4.9
58 km NE of Isangel, Vanuatu
12:40 UTC · 36.0 km deep
Felt by 2
4.7
14 km WNW of Tocopilla, Chile
21:35 UTC · 36.8 km deep
Felt by 1
4.6
Solomon Islands
16:11 UTC · 5.0 km deep
4.6
32 km ENE of Pemenang, Indonesia
15:49 UTC · 11.9 km deep
Earthquake Map — December 19, 2021
All Earthquakes — December 19, 2021
Showing 30 of 87 (filtered from 250)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2021-12-19 2021-12-19 23:18:05 UTC | 3.8ml | 165 km SE of Chignik, Alaska 55.155°, -156.713° | 3.2 km | - | I | - | ✓ Reviewed | USGS → |
On December 19, 2021 at 23:18 UTC, a magnitude 3.8 earthquake struck 165 km SE of Chignik, Alaska. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M3.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-19 2021-12-19 23:04:37 UTC | 2.3ml | 6 km ENE of P?hala, Hawaii 19.216°, -155.414° | 32.9 km | - | - | - | Auto | USGS → |
On December 19, 2021 at 23:04 UTC, a magnitude 2.3 earthquake struck 6 km ENE of P?hala, Hawaii. It arrived roughly 9 hours after a larger magnitude 2.8 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. | ||||||||
2021-12-19 2021-12-19 22:52:52 UTC | 4.0mb | 6 km WSW of Antirrio, Greece 38.313°, 21.689° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
December 19, 2021 brought a magnitude 4.0 earthquake 6 km WSW of Antirrio, Greece, logged at 22:52 UTC. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-19 2021-12-19 22:15:46 UTC | 2.4ml | 55 km NW of Toyah, Texas 31.655°, -104.223° | 8.1 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.4 seismic event took place 55 km NW of Toyah, Texas on December 19, 2021 at 22:15 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.5 earthquake that occurred about 1 hours earlier. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-19 2021-12-19 22:05:38 UTC | 2.5ml | 55 km NW of Toyah, Texas 31.652°, -104.223° | 8.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.5 earthquake 55 km NW of Toyah, Texas with origin time 22:05 UTC on December 19, 2021. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-19 2021-12-19 21:55:53 UTC | 2.1ml | 42 km WNW of Mentasta Lake, Alaska 63.111°, -144.500° | 7.4 km | - | - | - | ✓ Reviewed | USGS → |
December 19, 2021 brought a magnitude 2.1 earthquake 42 km WNW of Mentasta Lake, Alaska, logged at 21:55 UTC. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-19 2021-12-19 21:55:38 UTC | 3.4md | 51 km N of Charlotte Amalie, U.S. Virgin Islands 18.806°, -64.951° | 59.0 km | - | - | - | ✓ Reviewed | USGS → |
On December 19, 2021, worldwide seismic activity registered a magnitude 3.4 earthquake 51 km N of Charlotte Amalie, U.S. Virgin Islands at 21:55 UTC. The event was offshore. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-19 2021-12-19 21:35:39 UTC | 4.7mwr | 14 km WNW of Tocopilla, Chile -22.056°, -70.332° | 36.8 km | 1 | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.7 earthquake 14 km WNW of Tocopilla, Chile at 21:35 UTC on December 19, 2021. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-19 2021-12-19 21:16:59 UTC | 4.5mb | 72 km SSE of Labasa, Fiji -17.076°, 179.514° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On December 19, 2021, worldwide seismic activity registered a magnitude 4.5 earthquake 72 km SSE of Labasa, Fiji at 21:16 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-19 2021-12-19 21:08:28 UTC | 2.3ml | 6 km ENE of P?hala, Hawaii 19.219°, -155.417° | 33.3 km | - | - | - | Auto | USGS → |
A magnitude 2.3 earthquake was recorded 6 km ENE of P?hala, Hawaii on December 19, 2021 at 21:08 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.8 earthquake that occurred about 7 hours earlier. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-19 2021-12-19 21:06:15 UTC | 5.5mww | 53 km NW of Sainyabuli, Laos 19.561°, 101.311° | 10.0 km | 27 | VI | green | ✓ Reviewed | USGS → |
A magnitude 5.5 earthquake was recorded 53 km NW of Sainyabuli, Laos on December 19, 2021 at 21:06 UTC. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. The event was offshore. See the M5.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-19 2021-12-19 21:00:56 UTC | 2.6ml | 69 km S of Kaktovik, Alaska 69.505°, -143.704° | 28.1 km | - | - | - | ✓ Reviewed | USGS → |
On December 19, 2021 at 21:00 UTC, a magnitude 2.6 earthquake struck 69 km S of Kaktovik, Alaska. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-19 2021-12-19 20:52:00 UTC | 2.1ml | 13 km N of Stanley, Idaho 44.339°, -114.957° | 5.6 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.1 earthquake 13 km N of Stanley, Idaho with origin time 20:52 UTC on December 19, 2021. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-19 2021-12-19 20:41:13 UTC | 2.8ml | 9 km ENE of Sleepy Hollow, Wyoming 44.286°, -105.314° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.8 earthquake 9 km ENE of Sleepy Hollow, Wyoming at 20:41 UTC on December 19, 2021. 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. | ||||||||
2021-12-19 2021-12-19 20:22:08 UTC | 3.2ml | 14 km SE of Wright, Wyoming 43.663°, -105.352° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 3.2 earthquake 14 km SE of Wright, Wyoming at 20:22 UTC on December 19, 2021. Coming 1 hours after a magnitude 3.5 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 M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-19 2021-12-19 19:09:54 UTC | 2.3ml | 58 km NNW of Yakutat, Alaska 60.048°, -140.021° | 1.8 km | - | - | - | ✓ Reviewed | USGS → |
On December 19, 2021, worldwide seismic activity registered a magnitude 2.3 earthquake 58 km NNW of Yakutat, Alaska at 19:09 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-19 2021-12-19 19:07:35 UTC | 3.5ml | 13 km E of Wright, Wyoming 43.753°, -105.326° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.5 earthquake was recorded 13 km E of Wright, Wyoming on December 19, 2021 at 19:07 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M3.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-19 2021-12-19 18:58:04 UTC | 2.1md | 5 km ENE of P?hala, Hawaii 19.215°, -155.427° | 33.3 km | - | - | - | Auto | USGS → |
A magnitude 2.1 earthquake was recorded 5 km ENE of P?hala, Hawaii on December 19, 2021 at 18:58 UTC. It arrived roughly 5 hours after a larger magnitude 2.8 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. | ||||||||
2021-12-19 2021-12-19 18:26:01 UTC | 3.2ml | 160 km SE of Chignik, Alaska 55.148°, -156.856° | 0.4 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 3.2 event was detected 160 km SE of Chignik, Alaska on December 19, 2021, with origin time 18:26 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. | ||||||||
2021-12-19 2021-12-19 17:45:52 UTC | 2.4md | 3 km E of Junction City, Illinois 38.577°, -89.086° | 12.5 km | 4 | - | - | ✓ Reviewed | USGS → |
This magnitude 2.4 event was detected 3 km E of Junction City, Illinois on December 19, 2021, with origin time 17:45 UTC. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-19 2021-12-19 17:44:47 UTC | 2.9ml | 54 km NE of Kobuk, Alaska 67.316°, -156.179° | 2.1 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.9 earthquake was recorded 54 km NE of Kobuk, Alaska on December 19, 2021 at 17:44 UTC. In the 72 hours after this event, the USGS recorded 3 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-19 2021-12-19 16:45:53 UTC | 2.9ml | 57 km WNW of Ninilchik, Alaska 60.284°, -152.582° | 98.4 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.9 earthquake 57 km WNW of Ninilchik, Alaska with origin time 16:45 UTC on December 19, 2021. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-19 2021-12-19 16:28:22 UTC | 6.2mww | 85 km W of Labasa, Fiji -16.314°, 178.578° | 10.0 km | 18 | V | green | ✓ Reviewed | USGS → |
On December 19, 2021 at 16:28 UTC, a magnitude 6.2 earthquake struck 85 km W of Labasa, Fiji. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. It is the largest earthquake currently listed for worldwide seismic activity on December 19, 2021. See the M6.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-19 2021-12-19 16:23:16 UTC | 2.2ml | 54 km E of Pedro Bay, Alaska 59.721°, -153.146° | 102.8 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.2 earthquake 54 km E of Pedro Bay, Alaska with origin time 16:23 UTC on December 19, 2021. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-19 2021-12-19 16:11:47 UTC | 4.6mb | Solomon Islands -11.490°, 162.706° | 5.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.6 event was detected near Solomon Islands on December 19, 2021, with origin time 16:11 UTC. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-19 2021-12-19 16:07:50 UTC | 2.0ml | 61 km S of Shungnak, Alaska 66.351°, -157.405° | 10.2 km | - | - | - | ✓ Reviewed | USGS → |
At 16:07 UTC on December 19, 2021, a magnitude 2.0 tremor occurred 61 km S of Shungnak, Alaska. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-19 2021-12-19 15:59:56 UTC | 2.3ml | 55 km S of Whites City, New Mexico 31.679°, -104.405° | 6.7 km | - | - | - | ✓ Reviewed | USGS → |
At 15:59 UTC on December 19, 2021, a magnitude 2.3 tremor occurred 55 km S of Whites City, New Mexico. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-19 2021-12-19 15:49:54 UTC | 4.6mb | 32 km ENE of Pemenang, Indonesia -8.292°, 116.377° | 11.9 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.6 earthquake 32 km ENE of Pemenang, Indonesia came in on December 19, 2021 at 15:49 UTC. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-19 2021-12-19 15:38:23 UTC | 2.3md | 52 km ESE of Naalehu, Hawaii 18.832°, -155.143° | 12.2 km | - | - | - | ✓ Reviewed | USGS → |
On December 19, 2021 at 15:38 UTC, a magnitude 2.3 earthquake struck 52 km ESE of Naalehu, Hawaii. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-19 2021-12-19 15:32:39 UTC | 3.4ml | 72 km N of White Mountain, Alaska 65.323°, -163.138° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 15:32 UTC on December 19, 2021, a magnitude 3.4 tremor occurred 72 km N of White Mountain, Alaska. In the 72 hours after this event, the USGS recorded 4 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M3.4 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, 2021. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.