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Earthquakes on January 18, 2021

445
EARTHQUAKES on January 18, 2021
24-hour UTC period · USGS data
25 km deep
Elevated activity
compared to daily average (~250/day)

Magnitude Breakdown

M5.0+
3
M4.0–4.9
34
M3.0–3.9
17
M2.0–2.9
95
M1.0–1.9
296

Activity Summary

445
Total earthquakes
~250
Daily average
Elevated
Activity level
3
M5.0+ events

Geographic Breakdown

Earthquake Map — January 18, 2021

Map showing earthquake epicenter at 20.00°, 0.00°

All Earthquakes — January 18, 2021

Showing 30 of 149 (filtered from 445)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
Time ↓Mag ↕Location ↕Depth ↕Felt ↕MMIAlertStatusDetails
2021-01-18
2021-01-18 23:31:32 UTC
4.2mb
south of the Fiji Islands
-24.193°, -179.189°
514.8 km---✓ ReviewedUSGS →
This magnitude 4.2 event was detected south of the Fiji Islands on January 18, 2021, with origin time 23:31 UTC. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-01-18
2021-01-18 23:23:55 UTC
2.0ml
61 km N of Petersville, Alaska
63.045°, -150.953°
125.8 km---✓ ReviewedUSGS →
On January 18, 2021, worldwide seismic activity registered a magnitude 2.0 earthquake 61 km N of Petersville, Alaska at 23:23 UTC. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-01-18
2021-01-18 23:20:07 UTC
2.1ml
31 km SE of Mina, Nevada
38.155°, -117.907°
9.1 km---✓ ReviewedUSGS →
Reports of a magnitude 2.1 earthquake 31 km SE of Mina, Nevada came in on January 18, 2021 at 23:20 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.5 earthquake that occurred about 18 hours earlier. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-01-18
2021-01-18 23:10:52 UTC
3.4md
66 km N of Cruz Bay, U.S. Virgin Islands
18.932°, -64.803°
54.0 km---✓ ReviewedUSGS →
The USGS recorded this magnitude 3.4 earthquake 66 km N of Cruz Bay, U.S. Virgin Islands at 23:10 UTC on January 18, 2021. The event was offshore. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-01-18
2021-01-18 22:57:05 UTC
4.3mb
82 km ESE of Salamanca, Chile
-31.948°, -70.119°
104.4 km9--✓ ReviewedUSGS →
January 18, 2021 brought a magnitude 4.3 earthquake 82 km ESE of Salamanca, Chile, logged at 22:57 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-01-18
2021-01-18 22:56:07 UTC
3.0md
4 km SSE of Maria Antonia, Puerto Rico
17.945°, -66.873°
15.0 km---✓ ReviewedUSGS →
Seismographs logged a magnitude 3.0 earthquake 4 km SSE of Maria Antonia, Puerto Rico with origin time 22:56 UTC on January 18, 2021. This event falls inside the aftershock decay of a nearby magnitude 3.3 earthquake that occurred about 4 hours earlier. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-01-18
2021-01-18 22:37:25 UTC
3.7mb
110 km SSE of Sand Point, Alaska
54.424°, -159.829°
28.8 km---✓ ReviewedUSGS →
Reports of a magnitude 3.7 earthquake 110 km SSE of Sand Point, Alaska came in on January 18, 2021 at 22:37 UTC. See the M3.7 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-01-18
2021-01-18 22:19:32 UTC
2.9ml
28 km NNE of Sheridan, Wyoming
45.044°, -106.844°
0.0 km---✓ ReviewedUSGS →
The USGS recorded this magnitude 2.9 earthquake 28 km NNE of Sheridan, Wyoming at 22:19 UTC on January 18, 2021. 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.
2021-01-18
2021-01-18 22:11:12 UTC
2.7ml
17 km SE of Fern Forest, Hawaii
19.343°, -155.031°
3.2 km2--✓ ReviewedUSGS →
On January 18, 2021 at 22:11 UTC, a magnitude 2.7 earthquake struck 17 km SE of Fern Forest, Hawaii. 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.
2021-01-18
2021-01-18 22:02:24 UTC
2.4ml
86 km SSE of Sand Point, Alaska
54.650°, -159.861°
11.6 km---✓ ReviewedUSGS →
January 18, 2021 brought a magnitude 2.4 earthquake 86 km SSE of Sand Point, Alaska, logged at 22:02 UTC. Coming 2 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.
2021-01-18
2021-01-18 21:44:57 UTC
2.1md
19 km SSW of Guánica, Puerto Rico
17.803°, -66.947°
15.0 km---✓ ReviewedUSGS →
At 21:44 UTC on January 18, 2021, a magnitude 2.1 tremor occurred 19 km SSW of Guánica, Puerto Rico. This event falls inside the aftershock decay of a nearby magnitude 3.3 earthquake that occurred about 3 hours earlier. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-01-18
2021-01-18 21:43:21 UTC
3.5ml
48 km SSE of King Salmon, Alaska
58.326°, -156.203°
166.3 km---✓ ReviewedUSGS →
A magnitude 3.5 earthquake was recorded 48 km SSE of King Salmon, Alaska on January 18, 2021 at 21:43 UTC. See the M3.5 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-01-18
2021-01-18 21:33:52 UTC
4.0mb
south of Sumbawa, Indonesia
-11.330°, 117.778°
10.0 km---✓ ReviewedUSGS →
The USGS recorded this magnitude 4.0 earthquake south of Sumbawa, Indonesia at 21:33 UTC on January 18, 2021. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-01-18
2021-01-18 20:59:24 UTC
3.0ml
22 km ENE of Wright, Wyoming
43.853°, -105.254°
0.0 km---✓ ReviewedUSGS →
On January 18, 2021, worldwide seismic activity registered a magnitude 3.0 earthquake 22 km ENE of Wright, Wyoming at 20:59 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-01-18
2021-01-18 20:58:43 UTC
4.2mb
9 km NE of Coyuquilla Norte, Mexico
17.431°, -100.990°
23.5 km---✓ ReviewedUSGS →
Reports of a magnitude 4.2 earthquake 9 km NE of Coyuquilla Norte, Mexico came in on January 18, 2021 at 20:58 UTC. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-01-18
2021-01-18 20:55:33 UTC
3.2ml
8 km N of Naalehu, Hawaii
19.146°, -155.570°
-0.3 km17--✓ ReviewedUSGS →
January 18, 2021 brought a magnitude 3.2 earthquake 8 km N of Naalehu, Hawaii, logged at 20:55 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-01-18
2021-01-18 20:47:32 UTC
4.4mb
23 km ESE of ?funato, Japan
39.002°, 141.975°
59.3 km2--✓ ReviewedUSGS →
At 20:47 UTC on January 18, 2021, a magnitude 4.4 tremor occurred 23 km ESE of ?funato, Japan. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-01-18
2021-01-18 20:43:54 UTC
2.2ml
6 km NNE of Manhattan, Montana
45.912°, -111.299°
5.7 km---✓ ReviewedUSGS →
A magnitude 2.2 earthquake was recorded 6 km NNE of Manhattan, Montana on January 18, 2021 at 20:43 UTC. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-01-18
2021-01-18 20:37:27 UTC
2.5ml
73 km E of Nikolski, Alaska
52.825°, -167.783°
35.0 km---✓ ReviewedUSGS →
Reports of a magnitude 2.5 earthquake 73 km E of Nikolski, Alaska came in on January 18, 2021 at 20:37 UTC. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-01-18
2021-01-18 20:27:36 UTC
4.2mb
Owen Fracture Zone region
12.918°, 57.905°
10.0 km---✓ ReviewedUSGS →
A magnitude 4.2 seismic event took place in the Owen Fracture Zone region on January 18, 2021 at 20:27 UTC. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-01-18
2021-01-18 20:16:08 UTC
2.4ml
29 km S of Mina, Nevada
38.124°, -118.082°
5.0 km---✓ ReviewedUSGS →
On January 18, 2021 at 20:16 UTC, a magnitude 2.4 earthquake struck 29 km S of Mina, Nevada. It arrived roughly 15 hours after a larger magnitude 3.5 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.
2021-01-18
2021-01-18 20:14:51 UTC
4.4mb
Izu Islands, Japan region
30.561°, 141.779°
8.2 km---✓ ReviewedUSGS →
The USGS recorded this magnitude 4.4 earthquake in the Izu Islands, Japan region at 20:14 UTC on January 18, 2021. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-01-18
2021-01-18 20:09:55 UTC
2.0md
0 km SSE of Maria Antonia, Puerto Rico
17.973°, -66.886°
20.0 km---✓ ReviewedUSGS →
At 20:09 UTC on January 18, 2021, a magnitude 2.0 tremor occurred 0 km SSE of Maria Antonia, Puerto Rico. It arrived roughly 1 hours after a larger magnitude 3.3 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.
2021-01-18
2021-01-18 20:06:14 UTC
2.7md
6 km SSE of Maria Antonia, Puerto Rico
17.922°, -66.873°
14.0 km---✓ ReviewedUSGS →
A magnitude 2.7 earthquake was recorded 6 km SSE of Maria Antonia, Puerto Rico on January 18, 2021 at 20:06 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.3 earthquake that occurred about 1 hours earlier. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-01-18
2021-01-18 20:06:06 UTC
2.7ml
98 km SSE of Sand Point, Alaska
54.586°, -159.682°
24.1 km---✓ ReviewedUSGS →
Seismographs logged a magnitude 2.7 earthquake 98 km SSE of Sand Point, Alaska with origin time 20:06 UTC on January 18, 2021. Coming 6 hours after a magnitude 2.8 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-01-18
2021-01-18 20:02:38 UTC
2.1md
2 km SSE of Maria Antonia, Puerto Rico
17.953°, -66.881°
16.0 km---✓ ReviewedUSGS →
Seismographs logged a magnitude 2.1 earthquake 2 km SSE of Maria Antonia, Puerto Rico with origin time 20:02 UTC on January 18, 2021. It arrived roughly 1 hours after a larger magnitude 3.3 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.
2021-01-18
2021-01-18 19:44:02 UTC
2.5md
6 km ESE of La Parguera, Puerto Rico
17.962°, -66.987°
9.0 km---✓ ReviewedUSGS →
The USGS recorded this magnitude 2.5 earthquake 6 km ESE of La Parguera, Puerto Rico at 19:44 UTC on January 18, 2021. It arrived roughly 1 hours after a larger magnitude 3.3 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.
2021-01-18
2021-01-18 19:36:19 UTC
2.2md
2 km SSW of Indios, Puerto Rico
17.978°, -66.829°
14.0 km---✓ ReviewedUSGS →
Reports of a magnitude 2.2 earthquake 2 km SSW of Indios, Puerto Rico came in on January 18, 2021 at 19:36 UTC. It arrived roughly 1 hours after a larger magnitude 3.3 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.
2021-01-18
2021-01-18 19:35:48 UTC
2.0md
1 km SE of Yauco, Puerto Rico
18.024°, -66.836°
13.0 km---✓ ReviewedUSGS →
This magnitude 2.0 event was detected 1 km SE of Yauco, Puerto Rico on January 18, 2021, with origin time 19:35 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.3 earthquake that occurred about 1 hours earlier. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-01-18
2021-01-18 19:29:46 UTC
2.4md
5 km SSE of Maria Antonia, Puerto Rico
17.935°, -66.872°
16.0 km---✓ ReviewedUSGS →
Reports of a magnitude 2.4 earthquake 5 km SSE of Maria Antonia, Puerto Rico came in on January 18, 2021 at 19:29 UTC. It arrived roughly 1 hours after a larger magnitude 3.3 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.
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 January 18, 2021. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.