Earthquakes on December 17, 2020
301
EARTHQUAKES on December 17, 2020
24-hour UTC period · USGS data
53 km deep
Elevated activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
1
M4.0–4.9
29
M3.0–3.9
13
M2.0–2.9
65
M1.0–1.9
193
Activity Summary
301
Total earthquakes
~250
Daily average
Elevated
Activity level
1
M5.0+ events
Significant Earthquakes (M4.5+)
5.1
113 km S of Tondano, Indonesia
08:30 UTC · 53.3 km deep
4.9
45 km N of Yigo Village, Guam
18:04 UTC · 119.7 km deep
Felt by 10
4.9
31 km SSW of Sarangani, Philippines
12:38 UTC · 62.4 km deep
4.8
51 km N of Palekastro, Greece
13:36 UTC · 10.0 km deep
Felt by 2
4.7
198 km SSW of Pelabuhanratu, Indonesia
01:45 UTC · 10.0 km deep
4.6
Macquarie Island region
16:40 UTC · 10.0 km deep
4.6
47 km WSW of Atka, Alaska
16:32 UTC · 80.6 km deep
Felt by 1
4.6
96 km WSW of Itoman, Japan
10:18 UTC · 69.9 km deep
Felt by 1
Earthquake Map — December 17, 2020
All Earthquakes — December 17, 2020
Showing 30 of 108 (filtered from 301)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2020-12-17 2020-12-17 23:12:30 UTC | 2.4md | 5km SW of Round Valley, CA 37.385°, -118.635° | 11.5 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.4 earthquake was recorded 5km SW of Round Valley, CA on December 17, 2020 at 23:12 UTC. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-17 2020-12-17 23:03:11 UTC | 4.3mb | 26 km SE of Iwaki, Japan 36.879°, 141.087° | 81.9 km | 1 | - | - | ✓ Reviewed | USGS → |
This magnitude 4.3 event was detected 26 km SE of Iwaki, Japan on December 17, 2020, with origin time 23:03 UTC. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-17 2020-12-17 22:43:30 UTC | 2.9ml | 106 km SE of King Cove, Alaska 54.383°, -161.142° | 5.0 km | - | - | - | ✓ Reviewed | USGS → |
On December 17, 2020, worldwide seismic activity registered a magnitude 2.9 earthquake 106 km SE of King Cove, Alaska at 22:43 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-17 2020-12-17 22:39:21 UTC | 2.9md | 5 km SW of Tallaboa, Puerto Rico 17.953°, -66.747° | 16.0 km | - | - | - | ✓ Reviewed | USGS → |
At 22:39 UTC on December 17, 2020, a magnitude 2.9 tremor occurred 5 km SW of Tallaboa, Puerto Rico. Coming 2 hours after a magnitude 3.1 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-17 2020-12-17 22:34:11 UTC | 2.6md | 3 km S of Guánica, Puerto Rico 17.936°, -66.908° | 14.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.6 earthquake 3 km S of Guánica, Puerto Rico came in on December 17, 2020 at 22:34 UTC. It arrived roughly 2 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 M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-17 2020-12-17 22:06:01 UTC | 2.5ml | 25 km S of Stanley, Idaho 43.991°, -114.958° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.5 earthquake 25 km S of Stanley, Idaho at 22:06 UTC on December 17, 2020. Coming 5 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 M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-17 2020-12-17 21:59:57 UTC | 2.7ml | 61 km WNW of Ninilchik, Alaska 60.244°, -152.697° | 103.3 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.7 earthquake was recorded 61 km WNW of Ninilchik, Alaska on December 17, 2020 at 21:59 UTC. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-17 2020-12-17 21:12:07 UTC | 2.7ml | 22 km WSW of Atka, Alaska 52.126°, -174.516° | 213.6 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.7 earthquake 22 km WSW of Atka, Alaska with origin time 21:12 UTC on December 17, 2020. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-17 2020-12-17 21:09:58 UTC | 4.3mb | Owen Fracture Zone region 14.332°, 56.211° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.3 earthquake in the Owen Fracture Zone region came in on December 17, 2020 at 21:09 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-17 2020-12-17 20:52:00 UTC | 3.0ml | 28 km WSW of Nikolski, Alaska 52.803°, -169.213° | 117.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.0 earthquake was recorded 28 km WSW of Nikolski, Alaska on December 17, 2020 at 20:52 UTC. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-17 2020-12-17 20:51:10 UTC | 2.1ml | 125 km SSE of Sand Point, Alaska 54.250°, -159.997° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On December 17, 2020 at 20:51 UTC, a magnitude 2.1 earthquake struck 125 km SSE of Sand Point, Alaska. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-17 2020-12-17 20:38:24 UTC | 3.1md | 1 km NNW of Magas Arriba, Puerto Rico 18.026°, -66.774° | 12.0 km | 1 | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 3.1 earthquake 1 km NNW of Magas Arriba, Puerto Rico came in on December 17, 2020 at 20:38 UTC. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-17 2020-12-17 20:35:39 UTC | 2.3ml | 19 km S of Stanley, Idaho 44.039°, -114.927° | 1.9 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.3 event was detected 19 km S of Stanley, Idaho on December 17, 2020, with origin time 20:35 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.7 earthquake that occurred about 4 hours earlier. 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. | ||||||||
2020-12-17 2020-12-17 20:16:39 UTC | 2.6ml | 9 km NNW of Queets, Washington 47.621°, -124.380° | 25.7 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.6 earthquake was recorded 9 km NNW of Queets, Washington on December 17, 2020 at 20:16 UTC. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-17 2020-12-17 20:14:33 UTC | 2.4ml | 33 km NW of Stanley, Idaho 44.431°, -115.242° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.4 seismic event took place 33 km NW of Stanley, Idaho on December 17, 2020 at 20:14 UTC. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-17 2020-12-17 20:00:23 UTC | 2.3ml | 69 km ESE of Sand Point, Alaska 55.115°, -159.476° | 37.7 km | - | - | - | ✓ Reviewed | USGS → |
At 20:00 UTC on December 17, 2020, a magnitude 2.3 tremor occurred 69 km ESE of Sand Point, Alaska. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-17 2020-12-17 19:42:56 UTC | 2.3ml | 102 km SSE of Sand Point, Alaska 54.532°, -159.736° | 6.8 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.3 earthquake 102 km SSE of Sand Point, Alaska at 19:42 UTC on December 17, 2020. It arrived roughly 14 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. | ||||||||
2020-12-17 2020-12-17 19:41:55 UTC | 2.0ml | 100 km SSE of Sand Point, Alaska 54.540°, -159.753° | 11.5 km | - | - | - | ✓ Reviewed | USGS → |
On December 17, 2020 at 19:41 UTC, a magnitude 2.0 earthquake struck 100 km SSE of Sand Point, Alaska. This event falls inside the aftershock decay of a nearby magnitude 2.9 earthquake that occurred about 14 hours earlier. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-17 2020-12-17 19:34:18 UTC | 4.3mb | 84 km ESE of Isangel, Vanuatu -19.880°, 170.007° | 35.8 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.3 seismic event took place 84 km ESE of Isangel, Vanuatu on December 17, 2020 at 19:34 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-17 2020-12-17 19:24:11 UTC | 2.2ml | 9 km SE of Volcano, Hawaii 19.369°, -155.180° | 2.0 km | - | - | - | ✓ Reviewed | USGS → |
On December 17, 2020 at 19:24 UTC, a magnitude 2.2 earthquake struck 9 km SE of Volcano, Hawaii. Coming 1 hours after a magnitude 2.6 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 M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-17 2020-12-17 19:18:05 UTC | 2.4ml | Gulf of Alaska 57.173°, -143.150° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
December 17, 2020 brought a magnitude 2.4 earthquake near Gulf of Alaska, logged at 19:18 UTC. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-17 2020-12-17 19:04:58 UTC | 2.8ml | 93 km SSE of Sand Point, Alaska 54.625°, -159.728° | 22.6 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.8 event was detected 93 km SSE of Sand Point, Alaska on December 17, 2020, with origin time 19:04 UTC. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-17 2020-12-17 18:52:37 UTC | 2.0md | 14km W of Lakeport, CA 39.028°, -123.072° | 3.8 km | 1 | - | - | ✓ Reviewed | USGS → |
December 17, 2020 brought a magnitude 2.0 earthquake 14km W of Lakeport, CA, logged at 18:52 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-17 2020-12-17 18:29:54 UTC | 2.0ml | 100 km SSE of Sand Point, Alaska 54.507°, -159.862° | 18.9 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.0 earthquake was recorded 100 km SSE of Sand Point, Alaska on December 17, 2020 at 18:29 UTC. Coming 13 hours after a magnitude 2.9 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-17 2020-12-17 18:16:48 UTC | 3.8mb | 5 km ENE of Deoli, India 28.519°, 77.285° | 10.0 km | 82 | - | - | ✓ Reviewed | USGS → |
On December 17, 2020 at 18:16 UTC, a magnitude 3.8 earthquake struck 5 km ENE of Deoli, India. See the M3.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-17 2020-12-17 18:04:55 UTC | 4.9mb | 45 km N of Yigo Village, Guam 13.948°, 144.939° | 119.7 km | 10 | - | - | ✓ Reviewed | USGS → |
A magnitude 4.9 earthquake was recorded 45 km N of Yigo Village, Guam on December 17, 2020 at 18:04 UTC. The event was offshore. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-17 2020-12-17 18:03:33 UTC | 2.6ml | 6 km S of Volcano, Hawaii 19.385°, -155.238° | 2.0 km | - | - | - | ✓ Reviewed | USGS → |
On December 17, 2020, worldwide seismic activity registered a magnitude 2.6 earthquake 6 km S of Volcano, Hawaii at 18:03 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-17 2020-12-17 17:46:47 UTC | 4.4mb | 208 km E of Levuka, Fiji -17.766°, -178.740° | 514.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.4 earthquake 208 km E of Levuka, Fiji with origin time 17:46 UTC on December 17, 2020. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-17 2020-12-17 17:43:29 UTC | 3.3md | 58 km SE of Punta Cana, Dominican Republic 18.192°, -68.026° | 2.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 3.3 earthquake 58 km SE of Punta Cana, Dominican Republic with origin time 17:43 UTC on December 17, 2020. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M3.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-12-17 2020-12-17 17:42:51 UTC | 4.4mb | 148 km NE of Laikit, Laikit II (Dimembe), Indonesia 2.296°, 126.040° | 36.5 km | - | - | - | ✓ Reviewed | USGS → |
On December 17, 2020, worldwide seismic activity registered a magnitude 4.4 earthquake 148 km NE of Laikit, Laikit II (Dimembe), Indonesia at 17:42 UTC. The event was offshore. 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 17, 2020. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.