Earthquakes on December 13, 2021
233
EARTHQUAKES on December 13, 2021
24-hour UTC period · USGS data
167 km deep · 15 people felt it
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
7
M4.0–4.9
32
M3.0–3.9
6
M2.0–2.9
50
M1.0–1.9
138
Activity Summary
233
Total earthquakes
~250
Daily average
Normal
Activity level
7
M5.0+ events
Geographic Breakdown
By US State
Significant Earthquakes (M4.5+)
5.7
3 km SSE of El Pacayal, Mexico
07:03 UTC · 167.0 km deep
Felt by 15
5.5
Mindoro, Philippines
09:12 UTC · 133.4 km deep
Felt by 31
5.4
southeast of Easter Island
21:44 UTC · 10.0 km deep
5.3
241 km E of Tadine, New Caledonia
11:44 UTC · 24.7 km deep
5.0
153 km SSW of Kokopo, Papua New Guinea
11:12 UTC · 27.8 km deep
5.0
137 km SSW of Gambiran Satu, Indonesia
05:46 UTC · 54.9 km deep
Felt by 5
5.0
south of the Fiji Islands
00:36 UTC · 561.5 km deep
4.8
South Sandwich Islands region
14:03 UTC · 24.1 km deep
Earthquake Map — December 13, 2021

All Earthquakes — December 13, 2021
Showing 30 of 95 (filtered from 233)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2021-12-13 2021-12-13 23:40:29 UTC | 4.5mb | 47 km SW of Puerto El Triunfo, El Salvador 12.944°, -88.815° | 59.9 km | - | - | - | ✓ Reviewed | USGS → |
At 23:40 UTC on December 13, 2021, a magnitude 4.5 tremor occurred 47 km SW of Puerto El Triunfo, El Salvador. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-13 2021-12-13 23:25:59 UTC | 4.4md | 59 km WNW of The Bottom, Bonaire, Saint Eustatius and Saba 17.822°, -63.768° | 143.0 km | 1 | - | - | ✓ Reviewed | USGS → |
On December 13, 2021 at 23:25 UTC, a magnitude 4.4 earthquake struck 59 km WNW of The Bottom, Bonaire, Saint Eustatius and Saba . See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-13 2021-12-13 23:25:18 UTC | 2.2ml | 39 km ENE of Pedro Bay, Alaska 59.901°, -153.442° | 132.1 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.2 seismic event took place 39 km ENE of Pedro Bay, Alaska on December 13, 2021 at 23:25 UTC. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-13 2021-12-13 23:07:33 UTC | 2.1ml | 73 km SE of Unalaska, Alaska 53.461°, -165.671° | 21.4 km | - | - | - | ✓ Reviewed | USGS → |
On December 13, 2021 at 23:07 UTC, a magnitude 2.1 earthquake struck 73 km SE of Unalaska, Alaska. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-13 2021-12-13 22:34:51 UTC | 2.8ml | 221 km SE of Chiniak, Alaska 56.450°, -149.328° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.8 earthquake 221 km SE of Chiniak, Alaska came in on December 13, 2021 at 22:34 UTC. The event was offshore. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-13 2021-12-13 22:19:19 UTC | 3.1ml | 23 km S of Atka, Alaska 51.989°, -174.134° | 178.4 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 3.1 earthquake 23 km S of Atka, Alaska with origin time 22:19 UTC on December 13, 2021. The event was offshore. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-13 2021-12-13 22:12:17 UTC | 2.2md | 16km SW of Toms Place, CA 37.468°, -118.812° | 6.0 km | 1 | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.2 earthquake 16km SW of Toms Place, CA with origin time 22:12 UTC on December 13, 2021. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-13 2021-12-13 21:48:15 UTC | 2.2md | 3km SSW of Half Moon Bay, CA 37.437°, -122.441° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.2 earthquake was recorded 3km SSW of Half Moon Bay, CA on December 13, 2021 at 21:48 UTC. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-13 2021-12-13 21:44:58 UTC | 5.4mww | southeast of Easter Island -37.138°, -95.188° | 10.0 km | - | - | green | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 5.4 earthquake southeast of Easter Island with origin time 21:44 UTC on December 13, 2021. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. See the M5.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-13 2021-12-13 21:14:06 UTC | 4.5mb | 164 km NNE of Palu, Indonesia 0.367°, 120.626° | 72.9 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.5 earthquake 164 km NNE of Palu, Indonesia at 21:14 UTC on December 13, 2021. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-13 2021-12-13 20:30:47 UTC | 2.9ml | 15 km SW of Nanwalek, Alaska 59.272°, -152.133° | 61.1 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.9 event was detected 15 km SW of Nanwalek, Alaska on December 13, 2021, with origin time 20:30 UTC. The event was offshore. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-13 2021-12-13 19:33:12 UTC | 4.3mb | South Sandwich Islands region -58.610°, -23.634° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.3 event was detected in the South Sandwich Islands region on December 13, 2021, with origin time 19:33 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-13 2021-12-13 19:32:44 UTC | 2.7ml | 42 km SSE of False Pass, Alaska 54.483°, -163.241° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On December 13, 2021 at 19:32 UTC, a magnitude 2.7 earthquake struck 42 km SSE of False Pass, Alaska. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-13 2021-12-13 19:26:05 UTC | 4.3mb | 256 km S of Sinabang, Indonesia 0.181°, 96.682° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.3 earthquake 256 km S of Sinabang, Indonesia came in on December 13, 2021 at 19:26 UTC. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-13 2021-12-13 18:45:34 UTC | 4.1mb | 227 km ENE of Lospalos, Timor Leste -7.638°, 128.859° | 110.6 km | - | - | - | ✓ Reviewed | USGS → |
At 18:45 UTC on December 13, 2021, a magnitude 4.1 tremor occurred 227 km ENE of Lospalos, Timor Leste. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-13 2021-12-13 18:43:18 UTC | 2.1ml | 57 km S of Whites City, New Mexico 31.661°, -104.362° | 8.6 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.1 earthquake was recorded 57 km S of Whites City, New Mexico on December 13, 2021 at 18:43 UTC. It arrived roughly 6 hours after a larger magnitude 2.6 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-13 2021-12-13 18:36:14 UTC | 4.6mb | Izu Islands, Japan region 31.039°, 142.343° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On December 13, 2021 at 18:36 UTC, a magnitude 4.6 earthquake struck in the Izu Islands, Japan region. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-13 2021-12-13 18:33:20 UTC | 4.6mb | 45 km ENE of Santa Monica, Philippines 10.181°, 126.421° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.6 earthquake was recorded 45 km ENE of Santa Monica, Philippines on December 13, 2021 at 18:33 UTC. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-13 2021-12-13 18:11:02 UTC | 2.1md | 4 km S of Princeton, Canada 49.419°, -120.516° | -0.4 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.1 event was detected 4 km S of Princeton, Canada on December 13, 2021, with origin time 18:11 UTC. 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. | ||||||||
2021-12-13 2021-12-13 18:08:58 UTC | 4.2mb | 242 km SE of Sarangani, Philippines 4.077°, 127.205° | 58.4 km | - | - | - | ✓ Reviewed | USGS → |
December 13, 2021 brought a magnitude 4.2 earthquake 242 km SE of Sarangani, Philippines, logged at 18:08 UTC. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-13 2021-12-13 18:05:42 UTC | 4.5mb | 286 km W of Haveluloto, Tonga -20.680°, -177.919° | 521.7 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.5 event was detected 286 km W of Haveluloto, Tonga on December 13, 2021, with origin time 18:05 UTC. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-13 2021-12-13 17:51:38 UTC | 4.4mb | 55 km SSW of Acarí, Peru -15.851°, -74.889° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.4 earthquake was recorded 55 km SSW of Acarí, Peru on December 13, 2021 at 17:51 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-13 2021-12-13 17:48:00 UTC | 4.6mb | south of the Fiji Islands -22.793°, -179.380° | 563.8 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.6 earthquake south of the Fiji Islands with origin time 17:48 UTC on December 13, 2021. This is the deepest earthquake in the current dataset — a deep-focus event. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-13 2021-12-13 17:30:54 UTC | 2.6ml | 76 km SSW of Adak, Alaska 51.261°, -177.149° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
At 17:30 UTC on December 13, 2021, a magnitude 2.6 tremor occurred 76 km SSW of Adak, Alaska. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-13 2021-12-13 16:25:11 UTC | 4.4mb | South Sandwich Islands region -57.386°, -25.418° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.4 earthquake in the South Sandwich Islands region with origin time 16:25 UTC on December 13, 2021. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-13 2021-12-13 16:23:38 UTC | 4.5mb | 42 km E of Pondaguitan, Philippines 6.379°, 126.558° | 47.3 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.5 earthquake 42 km E of Pondaguitan, Philippines came in on December 13, 2021 at 16:23 UTC. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-13 2021-12-13 16:07:54 UTC | 2.1md | 6 km NE of P?hala, Hawaii 19.238°, -155.425° | 31.0 km | - | - | - | Auto | USGS → |
Reports of a magnitude 2.1 earthquake 6 km NE of P?hala, Hawaii came in on December 13, 2021 at 16:07 UTC. Coming 11 hours after a magnitude 2.7 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. | ||||||||
2021-12-13 2021-12-13 15:55:32 UTC | 2.0ml | 54 km NW of Toyah, Texas 31.648°, -104.216° | 6.1 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.0 earthquake 54 km NW of Toyah, Texas with origin time 15:55 UTC on December 13, 2021. Coming 15 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 M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-13 2021-12-13 15:43:50 UTC | 2.6ml | 129 km SSE of Sand Point, Alaska 54.304°, -159.563° | 24.4 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.6 earthquake 129 km SSE of Sand Point, Alaska at 15:43 UTC on December 13, 2021. This event falls inside the aftershock decay of a nearby magnitude 3.2 earthquake that occurred about 1 hours earlier. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-13 2021-12-13 15:16:03 UTC | 4.4mb | 57 km NNE of Kon Tum, Vietnam 14.851°, 108.156° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On December 13, 2021, worldwide seismic activity registered a magnitude 4.4 earthquake 57 km NNE of Kon Tum, Vietnam at 15:16 UTC. See the M4.4 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 13, 2021. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.