Earthquakes on December 11, 2021
263
EARTHQUAKES on December 11, 2021
24-hour UTC period · USGS data
LARGEST: M5.7 — 42 km N of La Serena, Chile
45 km deep · 47 people felt it
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
3
M4.0–4.9
43
M3.0–3.9
20
M2.0–2.9
49
M1.0–1.9
148
Activity Summary
263
Total earthquakes
~250
Daily average
Normal
Activity level
3
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
5.7
42 km N of La Serena, Chile
14:54 UTC · 45.0 km deep
Felt by 47
5.4
248 km NE of Lospalos, Timor Leste
15:29 UTC · 13.0 km deep
5.1
South Sandwich Islands region
14:35 UTC · 66.2 km deep
4.8
59 km SSW of Shikotan, Russia
21:34 UTC · 50.5 km deep
4.8
28 km E of Zarand, Iran
18:56 UTC · 10.0 km deep
Felt by 2
4.8
Pagan region, Northern Mariana Islands
00:53 UTC · 125.7 km deep
4.7
western Indian-Antarctic Ridge
16:48 UTC · 10.0 km deep
4.6
Izu Islands, Japan region
21:56 UTC · 10.0 km deep
Earthquake Map — December 11, 2021

All Earthquakes — December 11, 2021
Showing 30 of 115 (filtered from 263)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2021-12-11 2021-12-11 23:38:32 UTC | 4.2mb | 10 km SE of Kakad Wari Dir Upper, Pakistan 34.919°, 72.137° | 67.3 km | 3 | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.2 earthquake 10 km SE of Kakad Wari Dir Upper, Pakistan at 23:38 UTC on December 11, 2021. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-11 2021-12-11 23:35:15 UTC | 2.0ml | 41 km E of Pedro Bay, Alaska 59.763°, -153.363° | 117.8 km | - | - | - | ✓ Reviewed | USGS → |
December 11, 2021 brought a magnitude 2.0 earthquake 41 km E of Pedro Bay, Alaska, logged at 23:35 UTC. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-11 2021-12-11 23:30:25 UTC | 2.8md | 1 km SSW of Cayey, Puerto Rico 18.101°, -66.173° | 18.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.8 earthquake 1 km SSW of Cayey, Puerto Rico came in on December 11, 2021 at 23:30 UTC. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-11 2021-12-11 23:09:27 UTC | 2.3ml | 6 km NNW of Central, Alaska 65.619°, -144.878° | 9.9 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.3 earthquake was recorded 6 km NNW of Central, Alaska on December 11, 2021 at 23:09 UTC. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-11 2021-12-11 23:08:04 UTC | 4.4mb | Izu Islands, Japan region 31.265°, 142.383° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On December 11, 2021, worldwide seismic activity registered a magnitude 4.4 earthquake in the Izu Islands, Japan region at 23:08 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-11 2021-12-11 22:46:28 UTC | 4.3mb | Kermadec Islands region -31.576°, -177.696° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.3 seismic event took place in the Kermadec Islands region on December 11, 2021 at 22:46 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-11 2021-12-11 22:45:22 UTC | 2.4ml | 14 km S of Volcano, Hawaii 19.308°, -155.245° | 2.3 km | - | - | - | ✓ Reviewed | USGS → |
December 11, 2021 brought a magnitude 2.4 earthquake 14 km S of Volcano, Hawaii, logged at 22:45 UTC. Coming 2 hours after a magnitude 2.4 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. | ||||||||
2021-12-11 2021-12-11 22:34:07 UTC | 4.1mb | 135 km SE of Iquique, Chile -20.905°, -69.075° | 116.3 km | 1 | - | - | ✓ Reviewed | USGS → |
On December 11, 2021 at 22:34 UTC, a magnitude 4.1 earthquake struck 135 km SE of Iquique, Chile. The event was offshore. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-11 2021-12-11 22:33:40 UTC | 2.2ml | 68 km SE of Unalaska, Alaska 53.401°, -165.879° | 29.2 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.2 event was detected 68 km SE of Unalaska, Alaska on December 11, 2021, with origin time 22:33 UTC. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-11 2021-12-11 22:27:58 UTC | 3.1md | Puerto Rico region 18.765°, -66.680° | 13.0 km | - | - | - | ✓ Reviewed | USGS → |
At 22:27 UTC on December 11, 2021, a magnitude 3.1 tremor occurred in the Puerto Rico region. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-11 2021-12-11 22:27:18 UTC | 4.3mb | 72 km SE of Katsuren-haebaru, Japan 25.940°, 128.454° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
December 11, 2021 brought a magnitude 4.3 earthquake 72 km SE of Katsuren-haebaru, Japan, logged at 22:27 UTC. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-11 2021-12-11 22:27:18 UTC | 4.0ml | 52 km SSW of Whites City, New Mexico 31.722°, -104.517° | 7.3 km | 1 | IV | - | ✓ Reviewed | USGS → |
December 11, 2021 brought a magnitude 4.0 earthquake 52 km SSW of Whites City, New Mexico, logged at 22:27 UTC. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-11 2021-12-11 22:26:20 UTC | 2.4md | 1 km S of P?hala, Hawaii 19.186°, -155.478° | 32.4 km | - | - | - | Auto | USGS → |
A magnitude 2.4 seismic event took place 1 km S of P?hala, Hawaii on December 11, 2021 at 22:26 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.7 earthquake that occurred about 3 hours earlier. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-11 2021-12-11 22:07:47 UTC | 2.4md | 1 km W of Indios, Puerto Rico 17.996°, -66.837° | 17.0 km | - | - | - | ✓ Reviewed | USGS → |
On December 11, 2021, worldwide seismic activity registered a magnitude 2.4 earthquake 1 km W of Indios, Puerto Rico at 22:07 UTC. Coming 13 hours after a magnitude 3.2 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-11 2021-12-11 22:04:10 UTC | 3.1ml | Rat Islands, Aleutian Islands, Alaska 51.965°, 178.221° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.1 earthquake was recorded near Rat Islands, Aleutian Islands, Alaska on December 11, 2021 at 22:04 UTC. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-11 2021-12-11 22:00:02 UTC | 4.5mb | 130 km W of La Libertad, Mexico 29.777°, -114.033° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.5 earthquake was recorded 130 km W of La Libertad, Mexico on December 11, 2021 at 22:00 UTC. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-11 2021-12-11 21:56:33 UTC | 4.6mb | Izu Islands, Japan region 31.222°, 142.149° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.6 earthquake in the Izu Islands, Japan region came in on December 11, 2021 at 21:56 UTC. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-11 2021-12-11 21:55:50 UTC | 4.3mb | 119 km W of La Libertad, Mexico 29.861°, -113.928° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On December 11, 2021 at 21:55 UTC, a magnitude 4.3 earthquake struck 119 km W of La Libertad, Mexico. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-11 2021-12-11 21:55:40 UTC | 2.0ml | 56 km SSW of Nanwalek, Alaska 58.919°, -152.411° | 73.3 km | - | - | - | ✓ Reviewed | USGS → |
On December 11, 2021 at 21:55 UTC, a magnitude 2.0 earthquake struck 56 km SSW of Nanwalek, Alaska. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-11 2021-12-11 21:44:07 UTC | 4.0mb | 257 km NE of Lospalos, Timor Leste -7.173°, 128.898° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On December 11, 2021 at 21:44 UTC, a magnitude 4.0 earthquake struck 257 km NE of Lospalos, Timor Leste. The event was offshore. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-11 2021-12-11 21:34:14 UTC | 4.8mb | 59 km SSW of Shikotan, Russia 43.315°, 146.398° | 50.5 km | - | - | - | ✓ Reviewed | USGS → |
On December 11, 2021, worldwide seismic activity registered a magnitude 4.8 earthquake 59 km SSW of Shikotan, Russia at 21:34 UTC. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-11 2021-12-11 21:12:13 UTC | 4.0mb | 157 km SE of Pondaguitan, Philippines 5.241°, 127.060° | 78.6 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.0 earthquake was recorded 157 km SE of Pondaguitan, Philippines on December 11, 2021 at 21:12 UTC. The event was offshore. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-11 2021-12-11 21:08:39 UTC | 3.4md | 50 km N of Brenas, Puerto Rico 18.917°, -66.298° | 46.0 km | - | - | - | ✓ Reviewed | USGS → |
December 11, 2021 brought a magnitude 3.4 earthquake 50 km N of Brenas, Puerto Rico, logged at 21:08 UTC. The event was offshore. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-11 2021-12-11 21:05:52 UTC | 2.4ml | 8 km ENE of P?hala, Hawaii 19.218°, -155.404° | 32.2 km | - | - | - | Auto | USGS → |
This magnitude 2.4 event was detected 8 km ENE of P?hala, Hawaii on December 11, 2021, with origin time 21:05 UTC. Coming 2 hours after a magnitude 2.7 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. | ||||||||
2021-12-11 2021-12-11 21:00:55 UTC | 4.1mb | 87 km SSW of El Huitusi, Mexico 24.778°, -109.098° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.1 earthquake was recorded 87 km SSW of El Huitusi, Mexico on December 11, 2021 at 21:00 UTC. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-11 2021-12-11 20:38:33 UTC | 4.0mb | 11 km WSW of Farkh?r, Afghanistan 36.518°, 69.747° | 212.4 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.0 earthquake 11 km WSW of Farkh?r, Afghanistan with origin time 20:38 UTC on December 11, 2021. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-11 2021-12-11 20:36:40 UTC | 2.6ml | 34 km NW of Stanley, Idaho 44.462°, -115.205° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.6 earthquake 34 km NW of Stanley, Idaho with origin time 20:36 UTC on December 11, 2021. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-11 2021-12-11 20:36:35 UTC | 2.1md | 0 km NW of P?hala, Hawaii 19.208°, -155.484° | 37.9 km | - | - | - | Auto | USGS → |
This magnitude 2.1 event was detected 0 km NW of P?hala, Hawaii on December 11, 2021, with origin time 20:36 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.7 earthquake that occurred about 1 hours earlier. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-11 2021-12-11 20:35:32 UTC | 2.0ml | 96 km SW of Atka, Alaska 51.606°, -175.221° | 25.3 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.0 earthquake was recorded 96 km SW of Atka, Alaska on December 11, 2021 at 20:35 UTC. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-11 2021-12-11 20:21:52 UTC | 2.1md | 21 km W of Volcano, Hawaii 19.464°, -155.438° | 1.2 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.1 earthquake 21 km W of Volcano, Hawaii with origin time 20:21 UTC on December 11, 2021. 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, 2021. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.