Earthquakes on December 1, 2022
345
EARTHQUAKES on December 1, 2022
24-hour UTC period · USGS data
LARGEST: M5.4 — central Mid-Atlantic Ridge
10 km deep
Elevated activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
3
M4.0–4.9
39
M3.0–3.9
10
M2.0–2.9
88
M1.0–1.9
205
Activity Summary
345
Total earthquakes
~250
Daily average
Elevated
Activity level
3
M5.0+ events
Geographic Breakdown
By US State
Significant Earthquakes (M4.5+)
5.4
central Mid-Atlantic Ridge
11:02 UTC · 10.0 km deep
5.1
76 km SE of Burica, Panama
13:30 UTC · 15.8 km deep
Felt by 1
5.1
southwest of Sumatra, Indonesia
08:29 UTC · 10.0 km deep
4.9
192 km ENE of Miyako, Japan
04:54 UTC · 10.0 km deep
4.8
12 km ESE of Aitape, Papua New Guinea
13:07 UTC · 38.6 km deep
4.8
south of the Kermadec Islands
12:48 UTC · 10.0 km deep
4.8
82 km SSW of Unalaska, Alaska
11:59 UTC · 43.7 km deep
Felt by 4
4.8
76 km SSE of Hihifo, Tonga
10:18 UTC · 71.0 km deep
Earthquake Map — December 1, 2022

All Earthquakes — December 1, 2022
Showing 30 of 140 (filtered from 345)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2022-12-01 2022-12-01 23:55:35 UTC | 2.4md | 3 km WSW of Fuig, Puerto Rico 17.970°, -66.946° | 9.9 km | - | - | - | ✓ Reviewed | USGS → |
On December 1, 2022 at 23:55 UTC, a magnitude 2.4 earthquake struck 3 km WSW of Fuig, Puerto Rico. This event falls inside the aftershock decay of a nearby magnitude 2.6 earthquake that occurred about 13 hours earlier. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-12-01 2022-12-01 23:51:14 UTC | 2.1md | 4 km WSW of Guánica, Puerto Rico 17.951°, -66.945° | 9.9 km | - | - | - | ✓ Reviewed | USGS → |
At 23:51 UTC on December 1, 2022, a magnitude 2.1 tremor occurred 4 km WSW of Guánica, Puerto Rico. Coming 13 hours after a magnitude 2.6 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. | ||||||||
2022-12-01 2022-12-01 23:40:54 UTC | 2.2md | 4 km WSW of Guánica, Puerto Rico 17.954°, -66.946° | 9.2 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.2 event was detected 4 km WSW of Guánica, Puerto Rico on December 1, 2022, with origin time 23:40 UTC. Coming 13 hours after a magnitude 2.6 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-12-01 2022-12-01 23:29:33 UTC | 4.2mb | 45 km NE of Bandar-e Lengeh, Iran 26.869°, 55.185° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.2 earthquake was recorded 45 km NE of Bandar-e Lengeh, Iran on December 1, 2022 at 23:29 UTC. This event falls inside the aftershock decay of a nearby magnitude 4.7 earthquake that occurred about 5 hours earlier. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-12-01 2022-12-01 22:54:58 UTC | 2.4md | 5 km SSW of Guánica, Puerto Rico 17.931°, -66.932° | 8.0 km | - | - | - | ✓ Reviewed | USGS → |
On December 1, 2022, worldwide seismic activity registered a magnitude 2.4 earthquake 5 km SSW of Guánica, Puerto Rico at 22:54 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.6 earthquake that occurred about 12 hours earlier. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-12-01 2022-12-01 22:31:27 UTC | 2.1ml | 2 km NNW of Ninilchik, Alaska 60.073°, -151.693° | 57.9 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.1 earthquake 2 km NNW of Ninilchik, Alaska came in on December 1, 2022 at 22:31 UTC. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-12-01 2022-12-01 22:19:55 UTC | 4.5mb | south of the Fiji Islands -23.387°, -179.524° | 543.2 km | - | - | - | ✓ Reviewed | USGS → |
On December 1, 2022, worldwide seismic activity registered a magnitude 4.5 earthquake south of the Fiji Islands at 22:19 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. | ||||||||
2022-12-01 2022-12-01 21:21:00 UTC | 2.2ml | 115 km SE of Akutan, Alaska 53.436°, -164.471° | 18.4 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.2 earthquake 115 km SE of Akutan, Alaska came in on December 1, 2022 at 21:21 UTC. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-12-01 2022-12-01 21:17:12 UTC | 2.6md | 6km E of Round Valley, CA 37.417°, -118.534° | 6.0 km | 4 | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.6 earthquake 6km E of Round Valley, CA with origin time 21:17 UTC on December 1, 2022. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-12-01 2022-12-01 20:53:36 UTC | 2.2ml | 63 km ESE of Ugashik, Alaska 57.374°, -156.370° | 88.4 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.2 seismic event took place 63 km ESE of Ugashik, Alaska on December 1, 2022 at 20:53 UTC. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-12-01 2022-12-01 20:39:49 UTC | 2.0ml | 52 km SSE of Whites City, New Mexico 31.715°, -104.265° | 7.3 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.0 seismic event took place 52 km SSE of Whites City, New Mexico on December 1, 2022 at 20:39 UTC. Coming 1 hours after a magnitude 2.7 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. | ||||||||
2022-12-01 2022-12-01 20:37:41 UTC | 2.1ml | 52 km SSE of Whites City, New Mexico 31.714°, -104.266° | 7.3 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.1 seismic event took place 52 km SSE of Whites City, New Mexico on December 1, 2022 at 20:37 UTC. It arrived roughly 1 hours after a larger magnitude 2.7 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-12-01 2022-12-01 20:36:21 UTC | 2.1md | 4 km WSW of Fuig, Puerto Rico 17.973°, -66.952° | 6.7 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.1 earthquake 4 km WSW of Fuig, Puerto Rico with origin time 20:36 UTC on December 1, 2022. It arrived roughly 10 hours after a larger magnitude 2.6 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-12-01 2022-12-01 20:05:57 UTC | 4.6mb | 13 km WSW of Talalora, Philippines 11.498°, 124.721° | 170.7 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.6 earthquake 13 km WSW of Talalora, Philippines with origin time 20:05 UTC on December 1, 2022. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-12-01 2022-12-01 19:27:01 UTC | 2.3ml | 38 km NNW of Toyah, Texas 31.614°, -103.996° | 8.9 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.3 earthquake 38 km NNW of Toyah, Texas came in on December 1, 2022 at 19:27 UTC. Coming 1 hours after a magnitude 2.7 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. | ||||||||
2022-12-01 2022-12-01 19:18:12 UTC | 3.1ml | 90 km SSW of Unalaska, Alaska 53.092°, -166.879° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.1 earthquake was recorded 90 km SSW of Unalaska, Alaska on December 1, 2022 at 19:18 UTC. It arrived roughly 7 hours after a larger magnitude 4.8 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-12-01 2022-12-01 19:14:59 UTC | 2.7ml | 54 km W of Mentone, Texas 31.699°, -104.171° | 6.1 km | - | - | - | ✓ Reviewed | USGS → |
At 19:14 UTC on December 1, 2022, a magnitude 2.7 tremor occurred 54 km W of Mentone, Texas. In the 72 hours after this event, the USGS recorded 3 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-12-01 2022-12-01 18:57:48 UTC | 2.0md | 4 km SSW of Indios, Puerto Rico 17.956°, -66.843° | 16.3 km | - | - | - | ✓ Reviewed | USGS → |
At 18:57 UTC on December 1, 2022, a magnitude 2.0 tremor occurred 4 km SSW of Indios, Puerto Rico. This event falls inside the aftershock decay of a nearby magnitude 2.6 earthquake that occurred about 8 hours earlier. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-12-01 2022-12-01 18:54:44 UTC | 4.3mb | 30 km WSW of F?rs?n, Iran 32.127°, 50.274° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.3 earthquake 30 km WSW of F?rs?n, Iran at 18:54 UTC on December 1, 2022. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-12-01 2022-12-01 18:47:07 UTC | 3.6ml | 17 km SSE of Pāhala, Hawaii 19.068°, -155.396° | 4.3 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 3.6 earthquake 17 km SSE of Pāhala, Hawaii at 18:47 UTC on December 1, 2022. It arrived roughly 11 hours after a larger magnitude 3.7 mainshock in the same 20 km area, placing it within the typical aftershock window. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M3.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-12-01 2022-12-01 18:47:04 UTC | 2.4ml | 7 km E of P?hala, Hawaii 19.191°, -155.406° | 30.0 km | - | - | - | Auto | USGS → |
The USGS recorded this magnitude 2.4 earthquake 7 km E of P?hala, Hawaii at 18:47 UTC on December 1, 2022. It arrived roughly 11 hours after a larger magnitude 3.7 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-12-01 2022-12-01 18:31:06 UTC | 4.5mb | 99 km NNE of Isangel, Vanuatu -18.678°, 169.534° | 7.9 km | - | - | - | ✓ Reviewed | USGS → |
At 18:31 UTC on December 1, 2022, a magnitude 4.5 tremor occurred 99 km NNE of Isangel, Vanuatu. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-12-01 2022-12-01 18:18:10 UTC | 4.7mb | 44 km NE of Bandar-e Lengeh, Iran 26.837°, 55.200° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
December 1, 2022 brought a magnitude 4.7 earthquake 44 km NE of Bandar-e Lengeh, Iran, logged at 18:18 UTC. The event was offshore. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-12-01 2022-12-01 18:11:06 UTC | 4.2mb | Pagan region, Northern Mariana Islands 18.765°, 145.708° | 162.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.2 earthquake in the Pagan region, Northern Mariana Islands with origin time 18:11 UTC on December 1, 2022. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-12-01 2022-12-01 18:01:15 UTC | 4.4mb | 105 km N of Isangel, Vanuatu -18.585°, 169.306° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.4 earthquake was recorded 105 km N of Isangel, Vanuatu on December 1, 2022 at 18:01 UTC. It arrived roughly 1 hours after a larger magnitude 4.5 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-12-01 2022-12-01 17:55:06 UTC | 2.6ml | 218 km WSW of Adak, Alaska 50.881°, -179.347° | 12.3 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.6 seismic event took place 218 km WSW of Adak, Alaska on December 1, 2022 at 17:55 UTC. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-12-01 2022-12-01 17:49:47 UTC | 2.0ml | 56 km NW of Toyah, Texas 31.605°, -104.280° | 6.5 km | - | - | - | ✓ Reviewed | USGS → |
December 1, 2022 brought a magnitude 2.0 earthquake 56 km NW of Toyah, Texas, logged at 17:49 UTC. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-12-01 2022-12-01 17:30:14 UTC | 2.1ml | 2 km W of Point MacKenzie, Alaska 61.361°, -150.017° | 36.5 km | 1 | - | - | ✓ Reviewed | USGS → |
December 1, 2022 brought a magnitude 2.1 earthquake 2 km W of Point MacKenzie, Alaska, logged at 17:30 UTC. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-12-01 2022-12-01 17:28:30 UTC | 4.5mb | 99 km N of Isangel, Vanuatu -18.656°, 169.428° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.5 earthquake 99 km N of Isangel, Vanuatu at 17:28 UTC on December 1, 2022. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-12-01 2022-12-01 17:20:46 UTC | 4.5mb | Vanuatu -18.647°, 169.412° | 16.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.5 event was detected near Vanuatu on December 1, 2022, with origin time 17:20 UTC. See the M4.5 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 1, 2022. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.