Earthquakes on December 27, 2021
226
EARTHQUAKES on December 27, 2021
24-hour UTC period · USGS data
LARGEST: M5.5 — 118 km E of ‘Ohonua, Tonga
11 km deep
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
4
M4.0–4.9
26
M3.0–3.9
11
M2.0–2.9
56
M1.0–1.9
129
Activity Summary
226
Total earthquakes
~250
Daily average
Normal
Activity level
4
M5.0+ events
Geographic Breakdown
Top Countries (International)
New Caledonia
2
South Sandwich Islands
2
Significant Earthquakes (M4.5+)
5.5
118 km E of ‘Ohonua, Tonga
11:34 UTC · 11.4 km deep
5.2
60 km SE of Gilgit, Pakistan
13:31 UTC · 10.0 km deep
Felt by 10
5.2
Volcano Islands, Japan region
00:11 UTC · 112.7 km deep
5.0
southern East Pacific Rise
09:44 UTC · 10.0 km deep
4.9
168 km SW of Bandar Lampung, Indonesia
08:32 UTC · 34.9 km deep
4.8
68 km WNW of Skardu, Pakistan
13:37 UTC · 10.0 km deep
Felt by 1
4.8
58 km N of Bandar Abbas, Iran
07:31 UTC · 10.0 km deep
Felt by 1
4.7
50 km E of Falam, Myanmar
20:13 UTC · 40.4 km deep
Earthquake Map — December 27, 2021

All Earthquakes — December 27, 2021
Showing 30 of 97 (filtered from 226)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2021-12-27 2021-12-27 23:46:59 UTC | 4.2mb | 277 km WSW of Meulaboh, Indonesia 3.025°, 93.889° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On December 27, 2021, worldwide seismic activity registered a magnitude 4.2 earthquake 277 km WSW of Meulaboh, Indonesia at 23:46 UTC. Coming 1 hours after a magnitude 4.5 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-27 2021-12-27 23:22:50 UTC | 2.3md | 6 km ESE of Elgin, South Carolina 34.155°, -80.729° | 0.7 km | 92 | - | - | ✓ Reviewed | USGS → |
December 27, 2021 brought a magnitude 2.3 earthquake 6 km ESE of Elgin, South Carolina, logged at 23:22 UTC. It arrived roughly 4 hours after a larger magnitude 3.3 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 M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-27 2021-12-27 23:12:06 UTC | 4.5mb | 272 km WSW of Meulaboh, Indonesia 3.044°, 93.934° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 23:12 UTC on December 27, 2021, a magnitude 4.5 tremor occurred 272 km WSW of Meulaboh, Indonesia. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-27 2021-12-27 23:11:23 UTC | 2.7ml | 227 km WSW of Adak, Alaska 51.321°, -179.797° | 13.5 km | - | - | - | ✓ Reviewed | USGS → |
On December 27, 2021, worldwide seismic activity registered a magnitude 2.7 earthquake 227 km WSW of Adak, Alaska at 23:11 UTC. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-27 2021-12-27 23:03:23 UTC | 2.0md | 6 km ENE of P?hala, Hawaii 19.227°, -155.423° | 35.3 km | - | - | - | Auto | USGS → |
On December 27, 2021 at 23:03 UTC, a magnitude 2.0 earthquake struck 6 km ENE of P?hala, Hawaii. It arrived roughly 20 hours after a larger magnitude 3.0 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-27 2021-12-27 23:01:25 UTC | 3.0ml | 80 km SE of Sand Point, Alaska 54.745°, -159.788° | 23.4 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.0 seismic event took place 80 km SE of Sand Point, Alaska on December 27, 2021 at 23:01 UTC. The event was offshore. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-27 2021-12-27 22:54:16 UTC | 2.2ml | 78 km SE of Sand Point, Alaska 54.781°, -159.756° | 25.3 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.2 event was detected 78 km SE of Sand Point, Alaska on December 27, 2021, with origin time 22:54 UTC. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-27 2021-12-27 22:38:21 UTC | 2.6md | 6 km SSW of Lugoff, South Carolina 34.175°, -80.716° | 1.3 km | 228 | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.6 earthquake 6 km SSW of Lugoff, South Carolina with origin time 22:38 UTC on December 27, 2021. This event falls inside the aftershock decay of a nearby magnitude 3.3 earthquake that occurred about 3 hours earlier. 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. | ||||||||
2021-12-27 2021-12-27 22:35:09 UTC | 2.2md | 1 km W of La Parguera, Puerto Rico 17.977°, -67.060° | 7.0 km | - | - | - | ✓ Reviewed | USGS → |
December 27, 2021 brought a magnitude 2.2 earthquake 1 km W of La Parguera, Puerto Rico, logged at 22:35 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.6 earthquake that occurred about 8 hours earlier. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-27 2021-12-27 22:10:38 UTC | 3.4md | 89 km NE of Punta Cana, Dominican Republic 19.090°, -67.740° | 3.0 km | - | - | - | ✓ Reviewed | USGS → |
On December 27, 2021, worldwide seismic activity registered a magnitude 3.4 earthquake 89 km NE of Punta Cana, Dominican Republic at 22:10 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-27 2021-12-27 21:35:42 UTC | 2.1ml | 8 km ENE of P?hala, Hawaii 19.230°, -155.408° | 31.5 km | - | - | - | Auto | USGS → |
The USGS recorded this magnitude 2.1 earthquake 8 km ENE of P?hala, Hawaii at 21:35 UTC on December 27, 2021. This event falls inside the aftershock decay of a nearby magnitude 3.0 earthquake that occurred about 18 hours earlier. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-27 2021-12-27 21:29:14 UTC | 4.2mb | 245 km ESE of Tadine, New Caledonia -22.687°, 169.927° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 21:29 UTC on December 27, 2021, a magnitude 4.2 tremor occurred 245 km ESE of Tadine, New Caledonia. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-27 2021-12-27 21:02:15 UTC | 2.0md | 48 km SE of Naalehu, Hawaii 18.823°, -155.203° | 7.8 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.0 seismic event took place 48 km SE of Naalehu, Hawaii on December 27, 2021 at 21:02 UTC. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-27 2021-12-27 20:43:55 UTC | 2.0ml | 74 km WSW of Adak, Alaska 51.530°, -177.557° | 58.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.0 earthquake 74 km WSW of Adak, Alaska with origin time 20:43 UTC on December 27, 2021. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-27 2021-12-27 20:22:24 UTC | 2.0ml | 60 km WSW of Akhiok, Alaska 56.710°, -155.071° | 63.3 km | - | - | - | ✓ Reviewed | USGS → |
On December 27, 2021, worldwide seismic activity registered a magnitude 2.0 earthquake 60 km WSW of Akhiok, Alaska at 20:22 UTC. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-27 2021-12-27 20:13:18 UTC | 4.7mb | 50 km E of Falam, Myanmar 22.934°, 94.165° | 40.4 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.7 earthquake 50 km E of Falam, Myanmar came in on December 27, 2021 at 20:13 UTC. The event was offshore. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-27 2021-12-27 20:13:12 UTC | 3.5ml | 103 km E of Chignik, Alaska 56.445°, -156.750° | 2.1 km | - | II | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 3.5 earthquake 103 km E of Chignik, Alaska with origin time 20:13 UTC on December 27, 2021. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M3.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-27 2021-12-27 19:44:55 UTC | 4.7mb | 249 km ESE of Tadine, New Caledonia -22.540°, 170.045° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.7 seismic event took place 249 km ESE of Tadine, New Caledonia on December 27, 2021 at 19:44 UTC. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-27 2021-12-27 19:40:58 UTC | 4.4mb | 64 km SE of Gilgit, Pakistan 35.556°, 74.874° | 51.7 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.4 seismic event took place 64 km SE of Gilgit, Pakistan on December 27, 2021 at 19:40 UTC. It arrived roughly 6 hours after a larger magnitude 5.2 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. | ||||||||
2021-12-27 2021-12-27 19:18:54 UTC | 3.3mlg | 5 km SSW of Lugoff, South Carolina 34.182°, -80.720° | 3.1 km | 3,168 | IV | - | ✓ Reviewed | USGS → |
At 19:18 UTC on December 27, 2021, a magnitude 3.3 tremor occurred 5 km SSW of Lugoff, South Carolina. 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. | ||||||||
2021-12-27 2021-12-27 19:08:55 UTC | 4.4mb | 3 km NNW of Asahi, Japan 35.748°, 140.630° | 54.0 km | - | - | - | ✓ Reviewed | USGS → |
December 27, 2021 brought a magnitude 4.4 earthquake 3 km NNW of Asahi, Japan, logged at 19:08 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-27 2021-12-27 19:04:14 UTC | 4.2mb | 143 km N of Calama, Chile -21.177°, -68.692° | 113.5 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.2 earthquake 143 km N of Calama, Chile at 19:04 UTC on December 27, 2021. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-27 2021-12-27 18:56:28 UTC | 2.0ml | 53 km SSW of Sand Point, Alaska 54.893°, -160.823° | 37.0 km | - | - | - | ✓ Reviewed | USGS → |
At 18:56 UTC on December 27, 2021, a magnitude 2.0 tremor occurred 53 km SSW of Sand Point, Alaska. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-27 2021-12-27 18:52:46 UTC | 4.4mb | 34 km SE of Jurm, Afghanistan 36.610°, 71.050° | 200.6 km | - | - | - | ✓ Reviewed | USGS → |
On December 27, 2021 at 18:52 UTC, a magnitude 4.4 earthquake struck 34 km SE of Jurm, Afghanistan. This is the deepest earthquake in the current dataset — an intermediate depth event. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-27 2021-12-27 18:31:25 UTC | 2.3md | 3 km WSW of Indios, Puerto Rico 17.977°, -66.849° | 14.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.3 event was detected 3 km WSW of Indios, Puerto Rico on December 27, 2021, with origin time 18:31 UTC. It arrived roughly 4 hours after a larger magnitude 2.6 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. | ||||||||
2021-12-27 2021-12-27 18:04:14 UTC | 2.9ml | 33 km SE of Sand Point, Alaska 55.136°, -160.098° | 16.2 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.9 earthquake was recorded 33 km SE of Sand Point, Alaska on December 27, 2021 at 18:04 UTC. The event was offshore. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-27 2021-12-27 17:48:37 UTC | 2.4ml | 104 km SSE of Sand Point, Alaska 54.514°, -159.709° | 24.9 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.4 earthquake 104 km SSE of Sand Point, Alaska with origin time 17:48 UTC on December 27, 2021. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-27 2021-12-27 17:14:45 UTC | 2.6md | 23km WNW of Lopez Point, CA 36.080°, -121.811° | 13.1 km | 5 | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.6 earthquake 23km WNW of Lopez Point, CA came in on December 27, 2021 at 17:14 UTC. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-27 2021-12-27 17:09:16 UTC | 2.7md | 4km NW of Pinnacles, CA 36.562°, -121.171° | 2.3 km | 4 | - | - | ✓ Reviewed | USGS → |
This magnitude 2.7 event was detected 4km NW of Pinnacles, CA on December 27, 2021, with origin time 17:09 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-12-27 2021-12-27 16:56:55 UTC | 2.7ml | 48 km W of Mentone, Texas 31.734°, -104.106° | 7.3 km | - | - | - | ✓ Reviewed | USGS → |
At 16:56 UTC on December 27, 2021, a magnitude 2.7 tremor occurred 48 km W of Mentone, Texas. Coming 16 hours after a magnitude 2.9 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.7 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 27, 2021. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.