Earthquakes on December 16, 2020
Magnitude Breakdown
Activity Summary
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
2 km SSE of Quequeña, Peru
17:48 UTC · 90.3 km deep
Felt by 44
203 km S of Sand Point, Alaska
05:49 UTC · 10.5 km deep
59 km WSW of Mendi, Papua New Guinea
16:08 UTC · 7.5 km deep
Felt by 1
124 km SW of Adak, Alaska
19:13 UTC · 41.8 km deep
Felt by 1
29 km SW of Sarangani, Philippines
10:30 UTC · 26.1 km deep
Felt by 1
33 km SSW of Kushiro, Japan
01:28 UTC · 50.1 km deep
Felt by 2
8 km NE of Jordán, Colombia
23:32 UTC · 153.6 km deep
Felt by 1
92 km SE of Pondaguitan, Philippines
21:44 UTC · 74.6 km deep
Earthquake Map — December 16, 2020

All Earthquakes — December 16, 2020
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2020-12-16 2020-12-16 23:35:53 UTC | 4.3mb | 74 km E of Meulaboh, Indonesia 4.109°, 96.799° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.3 earthquake 74 km E of Meulaboh, Indonesia with origin time 23:35 UTC on December 16, 2020. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-16 2020-12-16 23:32:30 UTC | 4.9mb | 8 km NE of Jordán, Colombia 6.784°, -73.044° | 153.6 km | 1 | - | - | ✓ Reviewed | USGS → |
This magnitude 4.9 event was detected 8 km NE of Jordán, Colombia on December 16, 2020, with origin time 23:32 UTC. The event was offshore. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-16 2020-12-16 23:18:19 UTC | 4.1mb | near the east coast of Honshu, Japan 36.015°, 140.059° | 77.6 km | - | - | - | ✓ Reviewed | USGS → |
On December 16, 2020, worldwide seismic activity registered a magnitude 4.1 earthquake near near the east coast of Honshu, Japan at 23:18 UTC. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-16 2020-12-16 23:09:01 UTC | 2.5ml | 142 km SSE of Sand Point, Alaska 54.174°, -159.553° | 21.8 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.5 event was detected 142 km SSE of Sand Point, Alaska on December 16, 2020, with origin time 23:09 UTC. It arrived roughly 6 hours after a larger magnitude 2.9 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-16 2020-12-16 22:56:12 UTC | 2.1ml | 38 km ENE of Adak, Alaska 51.987°, -176.099° | 139.5 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.1 seismic event took place 38 km ENE of Adak, Alaska on December 16, 2020 at 22:56 UTC. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-16 2020-12-16 22:23:34 UTC | 2.8ml | 57 km ESE of Nikolski, Alaska 52.659°, -168.151° | 32.4 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.8 earthquake 57 km ESE of Nikolski, Alaska came in on December 16, 2020 at 22:23 UTC. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-16 2020-12-16 21:53:19 UTC | 2.4ml | 43 km N of Tanana, Alaska 65.558°, -151.999° | 15.6 km | - | - | - | ✓ Reviewed | USGS → |
On December 16, 2020 at 21:53 UTC, a magnitude 2.4 earthquake struck 43 km N of Tanana, Alaska. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-16 2020-12-16 21:44:52 UTC | 4.8mww | 92 km SE of Pondaguitan, Philippines 5.877°, 126.863° | 74.6 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.8 earthquake 92 km SE of Pondaguitan, Philippines came in on December 16, 2020 at 21:44 UTC. The event was offshore. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-16 2020-12-16 21:42:11 UTC | 2.2ml | 118 km SSE of Sand Point, Alaska 54.297°, -160.111° | 15.1 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.2 earthquake 118 km SSE of Sand Point, Alaska at 21:42 UTC on December 16, 2020. This event falls inside the aftershock decay of a nearby magnitude 2.3 earthquake that occurred about 2 hours earlier. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-16 2020-12-16 21:39:24 UTC | 4.2mb | 246 km S of Pelabuhanratu, Indonesia -9.181°, 106.171° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.2 earthquake was recorded 246 km S of Pelabuhanratu, Indonesia on December 16, 2020 at 21:39 UTC. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-16 2020-12-16 21:12:36 UTC | 2.2ml | Alaska Peninsula 55.543°, -161.747° | 121.1 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.2 event was detected near Alaska Peninsula on December 16, 2020, with origin time 21:12 UTC. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-16 2020-12-16 21:11:47 UTC | 2.5ml | 106 km S of False Pass, Alaska 53.899°, -163.267° | 20.9 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.5 earthquake 106 km S of False Pass, Alaska came in on December 16, 2020 at 21:11 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.1 earthquake that occurred about 1 hours earlier. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-16 2020-12-16 21:05:17 UTC | 3.1ml | 105 km S of False Pass, Alaska 53.913°, -163.259° | 33.3 km | - | - | - | ✓ Reviewed | USGS → |
On December 16, 2020 at 21:05 UTC, a magnitude 3.1 earthquake struck 105 km S of False Pass, Alaska. The event was offshore. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-16 2020-12-16 21:00:47 UTC | 2.2md | 2 km SW of Indios, Puerto Rico 17.976°, -66.840° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.2 event was detected 2 km SW of Indios, Puerto Rico on December 16, 2020, with origin time 21:00 UTC. It arrived roughly 21 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 M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-16 2020-12-16 20:51:27 UTC | 4.5mb | 29 km S of Sarangani, Philippines 5.136°, 125.455° | 65.3 km | - | - | - | ✓ Reviewed | USGS → |
On December 16, 2020 at 20:51 UTC, a magnitude 4.5 earthquake struck 29 km S of Sarangani, Philippines. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-16 2020-12-16 20:35:20 UTC | 2.4ml | 31 km NW of Stanley, Idaho 44.415°, -115.223° | 11.5 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.4 earthquake was recorded 31 km NW of Stanley, Idaho on December 16, 2020 at 20:35 UTC. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-16 2020-12-16 20:13:11 UTC | 2.0ml | 133 km SW of Adak, Alaska 51.174°, -178.198° | 25.5 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.0 earthquake was recorded 133 km SW of Adak, Alaska on December 16, 2020 at 20:13 UTC. It arrived roughly 1 hours after a larger magnitude 5.0 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-16 2020-12-16 20:07:36 UTC | 3.7mb | Rat Islands, Aleutian Islands, Alaska 52.176°, 178.280° | 84.1 km | - | - | - | ✓ Reviewed | USGS → |
On December 16, 2020 at 20:07 UTC, a magnitude 3.7 earthquake struck near Rat Islands, Aleutian Islands, Alaska. See the M3.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-16 2020-12-16 19:58:05 UTC | 2.0ml | 33 km NE of Gabbs, Nevada 39.106°, -117.676° | 6.3 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.0 earthquake 33 km NE of Gabbs, Nevada with origin time 19:58 UTC on December 16, 2020. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-16 2020-12-16 19:53:41 UTC | 2.5ml | 57 km S of Sand Point, Alaska 54.822°, -160.376° | 24.3 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.5 seismic event took place 57 km S of Sand Point, Alaska on December 16, 2020 at 19:53 UTC. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-16 2020-12-16 19:50:25 UTC | 4.6mb | Fiji region -21.964°, -179.227° | 570.9 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.6 seismic event took place in the Fiji region on December 16, 2020 at 19:50 UTC. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-16 2020-12-16 19:46:46 UTC | 2.3ml | 24 km SSE of Mina, Nevada 38.170°, -118.053° | 6.5 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.3 earthquake 24 km SSE of Mina, Nevada came in on December 16, 2020 at 19:46 UTC. Coming 1 hours after a magnitude 2.8 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-16 2020-12-16 19:23:29 UTC | 2.3ml | 123 km SSE of Sand Point, Alaska 54.296°, -159.814° | 21.5 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.3 seismic event took place 123 km SSE of Sand Point, Alaska on December 16, 2020 at 19:23 UTC. It arrived roughly 9 hours after a larger magnitude 2.9 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. | ||||||||
2020-12-16 2020-12-16 19:22:49 UTC | 3.2ml | 136 km SW of Adak, Alaska 51.150°, -178.222° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 3.2 event was detected 136 km SW of Adak, Alaska on December 16, 2020, with origin time 19:22 UTC. This event falls inside the aftershock decay of a nearby magnitude 5.0 earthquake that occurred about 1 hours earlier. The event was offshore. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-16 2020-12-16 19:19:45 UTC | 2.8ml | 27 km S of Mina, Nevada 38.148°, -118.074° | 5.2 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.8 seismic event took place 27 km S of Mina, Nevada on December 16, 2020 at 19:19 UTC. In the 72 hours after this event, the USGS recorded 9 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-16 2020-12-16 19:13:19 UTC | 5.0mb | 124 km SW of Adak, Alaska 51.255°, -178.135° | 41.8 km | 1 | - | - | ✓ Reviewed | USGS → |
On December 16, 2020, worldwide seismic activity registered a magnitude 5.0 earthquake 124 km SW of Adak, Alaska at 19:13 UTC. The event was offshore. See the M5.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-16 2020-12-16 19:07:58 UTC | 4.4mb | 49 km SW of Sarangani, Philippines 5.040°, 125.201° | 42.5 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.4 earthquake 49 km SW of Sarangani, Philippines at 19:07 UTC on December 16, 2020. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-16 2020-12-16 18:53:20 UTC | 2.2ml | 105 km SSE of Sand Point, Alaska 54.455°, -159.913° | 6.3 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.2 earthquake 105 km SSE of Sand Point, Alaska came in on December 16, 2020 at 18:53 UTC. It arrived roughly 8 hours after a larger magnitude 2.9 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. | ||||||||
2020-12-16 2020-12-16 18:49:22 UTC | 2.2ml | 33 km NNE of Benton, California 38.076°, -118.287° | 3.2 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.2 seismic event took place 33 km NNE of Benton, California on December 16, 2020 at 18:49 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.6 earthquake that occurred about 18 hours earlier. 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. | ||||||||
2020-12-16 2020-12-16 18:37:47 UTC | 4.3mwr | 24 km SW of Ovalle, Chile -30.749°, -71.396° | 53.6 km | - | - | - | ✓ Reviewed | USGS → |
On December 16, 2020, worldwide seismic activity registered a magnitude 4.3 earthquake 24 km SW of Ovalle, Chile at 18:37 UTC. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
About This Page
This page shows all earthquakes recorded by the USGS Earthquake Hazards Program during the 24-hour UTC period on December 16, 2020. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.