Earthquakes on December 23, 2020
280
EARTHQUAKES on December 23, 2020
24-hour UTC period · USGS data
11 km deep · 20 people felt it
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
4
M4.0–4.9
28
M3.0–3.9
13
M2.0–2.9
80
M1.0–1.9
155
Activity Summary
280
Total earthquakes
~250
Daily average
Normal
Activity level
4
M5.0+ events
Significant Earthquakes (M4.5+)
6.1
90 km SW of Angaur State, Palau
18:11 UTC · 11.0 km deep
Felt by 20
5.7
northern East Pacific Rise
00:51 UTC · 10.0 km deep
5.7
northern East Pacific Rise
00:45 UTC · 10.0 km deep
5.2
149 km WSW of Bengkulu, Indonesia
22:19 UTC · 10.0 km deep
4.9
south of Alaska
15:47 UTC · 10.0 km deep
4.8
14 km NNE of Kamárai, Greece
14:58 UTC · 10.0 km deep
Felt by 4
4.8
east of the Kuril Islands
04:02 UTC · 10.0 km deep
4.8
northern East Pacific Rise
00:53 UTC · 10.0 km deep
Earthquake Map — December 23, 2020
All Earthquakes — December 23, 2020
Showing 30 of 125 (filtered from 280)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2020-12-23 2020-12-23 23:58:25 UTC | 2.4ml | 95 km SSE of Sand Point, Alaska 54.617°, -159.696° | 14.2 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.4 earthquake 95 km SSE of Sand Point, Alaska came in on December 23, 2020 at 23:58 UTC. Coming 23 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. | ||||||||
2020-12-23 2020-12-23 23:51:50 UTC | 4.2mb | Southern Qinghai, China 34.070°, 98.242° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.2 earthquake near Southern Qinghai, China came in on December 23, 2020 at 23:51 UTC. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-23 2020-12-23 23:42:41 UTC | 2.1ml | 13 km N of Girdwood, Alaska 61.064°, -149.202° | 16.6 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.1 seismic event took place 13 km N of Girdwood, Alaska on December 23, 2020 at 23:42 UTC. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-23 2020-12-23 23:41:28 UTC | 2.3ml | 121 km SSE of Sand Point, Alaska 54.292°, -159.965° | 13.2 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.3 event was detected 121 km SSE of Sand Point, Alaska on December 23, 2020, with origin time 23:41 UTC. Coming 15 hours after a magnitude 4.4 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. | ||||||||
2020-12-23 2020-12-23 23:33:23 UTC | 4.3mb | Izu Islands, Japan region 31.901°, 141.614° | 17.3 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.3 earthquake in the Izu Islands, Japan region with origin time 23:33 UTC on December 23, 2020. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-23 2020-12-23 23:27:37 UTC | 2.6md | 8 km ESE of Pole Ojea, Puerto Rico 17.933°, -67.118° | 9.0 km | - | - | - | ✓ Reviewed | USGS → |
December 23, 2020 brought a magnitude 2.6 earthquake 8 km ESE of Pole Ojea, Puerto Rico, logged at 23:27 UTC. It arrived roughly 23 hours after a larger magnitude 3.0 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-23 2020-12-23 23:02:35 UTC | 2.3ml | 71 km WNW of Karluk, Alaska 57.919°, -155.463° | 7.8 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.3 earthquake 71 km WNW of Karluk, Alaska came in on December 23, 2020 at 23:02 UTC. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-23 2020-12-23 22:37:59 UTC | 3.4md | 105 km N of San Juan, Puerto Rico 19.414°, -65.966° | 13.0 km | 2 | - | - | ✓ Reviewed | USGS → |
At 22:37 UTC on December 23, 2020, a magnitude 3.4 tremor occurred 105 km N of San Juan, Puerto Rico. The event was offshore. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-23 2020-12-23 22:32:43 UTC | 2.3ml | 54 km SSE of Sand Point, Alaska 54.921°, -160.032° | 13.5 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.3 seismic event took place 54 km SSE of Sand Point, Alaska on December 23, 2020 at 22:32 UTC. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-23 2020-12-23 22:29:11 UTC | 3.1ml | 253 km WSW of Adak, Alaska 51.049°, 179.959° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
December 23, 2020 brought a magnitude 3.1 earthquake 253 km WSW of Adak, Alaska, logged at 22:29 UTC. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-23 2020-12-23 22:27:52 UTC | 4.3mb | 154 km WSW of Bengkulu, Indonesia -4.477°, 101.046° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On December 23, 2020, worldwide seismic activity registered a magnitude 4.3 earthquake 154 km WSW of Bengkulu, Indonesia at 22:27 UTC. Coming 1 hours after a magnitude 5.2 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-23 2020-12-23 22:22:19 UTC | 3.3ml | 18km W of Delta, B.C., MX 32.336°, -115.379° | 15.2 km | 1 | - | - | ✓ Reviewed | USGS → |
This magnitude 3.3 event was detected 18km W of Delta, B.C., MX on December 23, 2020, with origin time 22:22 UTC. The event was offshore. See the M3.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-23 2020-12-23 22:19:53 UTC | 5.2mb | 149 km WSW of Bengkulu, Indonesia -4.437°, 101.076° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On December 23, 2020, worldwide seismic activity registered a magnitude 5.2 earthquake 149 km WSW of Bengkulu, Indonesia at 22:19 UTC. See the M5.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-23 2020-12-23 22:02:17 UTC | 2.1ml | 23 km S of Port Graham, Alaska 59.148°, -151.756° | 48.4 km | - | - | - | ✓ Reviewed | USGS → |
December 23, 2020 brought a magnitude 2.1 earthquake 23 km S of Port Graham, Alaska, logged at 22:02 UTC. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-23 2020-12-23 22:02:07 UTC | 2.2md | 6 km SSE of P?hala, Hawaii 19.151°, -155.452° | 30.1 km | - | - | - | Auto | USGS → |
This magnitude 2.2 event was detected 6 km SSE of P?hala, Hawaii on December 23, 2020, with origin time 22:02 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.7 earthquake that occurred about 19 hours earlier. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-23 2020-12-23 21:58:39 UTC | 2.2md | 9 km E of P?hala, Hawaii 19.208°, -155.389° | 31.4 km | - | - | - | Auto | USGS → |
On December 23, 2020 at 21:58 UTC, a magnitude 2.2 earthquake struck 9 km E of P?hala, Hawaii. This event falls inside the aftershock decay of a nearby magnitude 2.7 earthquake that occurred about 19 hours earlier. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-23 2020-12-23 21:57:04 UTC | 2.2ml | 9 km NNE of Quinlan, Oklahoma 36.529°, -98.984° | 7.6 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.2 earthquake 9 km NNE of Quinlan, Oklahoma at 21:57 UTC on December 23, 2020. It arrived roughly 1 hours after a larger magnitude 3.1 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. | ||||||||
2020-12-23 2020-12-23 21:52:40 UTC | 2.3md | 5 km SW of Guánica, Puerto Rico 17.933°, -66.937° | 15.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.3 earthquake 5 km SW of Guánica, Puerto Rico at 21:52 UTC on December 23, 2020. Coming 4 hours after a magnitude 3.6 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-23 2020-12-23 21:42:43 UTC | 2.3ml | 9 km NE of Quinlan, Oklahoma 36.526°, -98.983° | 7.3 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.3 event was detected 9 km NE of Quinlan, Oklahoma on December 23, 2020, with origin time 21:42 UTC. It arrived roughly 1 hours after a larger magnitude 3.1 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-23 2020-12-23 21:28:14 UTC | 3.1ml | 10 km NNE of Quinlan, Oklahoma 36.534°, -98.984° | 7.0 km | 3 | - | - | ✓ Reviewed | USGS → |
A magnitude 3.1 seismic event took place 10 km NNE of Quinlan, Oklahoma on December 23, 2020 at 21:28 UTC. In the 72 hours after this event, the USGS recorded 6 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-23 2020-12-23 21:20:06 UTC | 3.0md | 54 km N of Isabela, Puerto Rico 18.995°, -66.972° | 6.0 km | - | - | - | ✓ Reviewed | USGS → |
On December 23, 2020, worldwide seismic activity registered a magnitude 3.0 earthquake 54 km N of Isabela, Puerto Rico at 21:20 UTC. The event was offshore. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-23 2020-12-23 21:05:25 UTC | 2.5ml | 5km SW of Alberto Oviedo Mota, B.C., MX 32.203°, -115.211° | 16.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.5 earthquake was recorded 5km SW of Alberto Oviedo Mota, B.C., MX on December 23, 2020 at 21:05 UTC. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-23 2020-12-23 20:53:35 UTC | 2.4ml | 70 km W of Tyonek, Alaska 61.141°, -152.440° | 125.2 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.4 seismic event took place 70 km W of Tyonek, Alaska on December 23, 2020 at 20:53 UTC. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-23 2020-12-23 20:02:26 UTC | 4.3mb | 4 km NNE of Kamárai, Greece 38.340°, 22.011° | 16.7 km | 1 | - | - | ✓ Reviewed | USGS → |
At 20:02 UTC on December 23, 2020, a magnitude 4.3 tremor occurred 4 km NNE of Kamárai, Greece. It arrived roughly 5 hours after a larger magnitude 4.8 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-23 2020-12-23 19:45:29 UTC | 3.2md | 6 km SSE of Indios, Puerto Rico 17.936°, -66.806° | 9.0 km | 1 | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 3.2 earthquake 6 km SSE of Indios, Puerto Rico came in on December 23, 2020 at 19:45 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.6 earthquake that occurred about 2 hours earlier. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-23 2020-12-23 19:43:53 UTC | 4.6mb | 89 km NNW of Tual, Indonesia -4.857°, 132.506° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
December 23, 2020 brought a magnitude 4.6 earthquake 89 km NNW of Tual, Indonesia, logged at 19:43 UTC. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-23 2020-12-23 19:17:04 UTC | 2.4md | 4 km SSE of Maria Antonia, Puerto Rico 17.945°, -66.867° | 9.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.4 earthquake 4 km SSE of Maria Antonia, Puerto Rico at 19:17 UTC on December 23, 2020. It arrived roughly 2 hours after a larger magnitude 3.6 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-23 2020-12-23 19:04:16 UTC | 2.1md | 7 km ESE of P?hala, Hawaii 19.171°, -155.421° | 30.9 km | - | - | - | Auto | USGS → |
Reports of a magnitude 2.1 earthquake 7 km ESE of P?hala, Hawaii came in on December 23, 2020 at 19:04 UTC. Coming 16 hours after a magnitude 2.7 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-23 2020-12-23 19:00:03 UTC | 2.6ml | 98 km SSE of Sand Point, Alaska 54.572°, -159.732° | 20.6 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.6 earthquake 98 km SSE of Sand Point, Alaska with origin time 19:00 UTC on December 23, 2020. Coming 7 hours after a magnitude 2.9 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-23 2020-12-23 18:59:27 UTC | 2.1ml | 35 km SE of Mina, Nevada 38.154°, -117.840° | 7.1 km | - | - | - | ✓ Reviewed | USGS → |
On December 23, 2020 at 18:59 UTC, a magnitude 2.1 earthquake struck 35 km SE of Mina, Nevada. Coming 18 hours after a magnitude 2.3 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. | ||||||||
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 23, 2020. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.