Earthquakes on January 28, 2021
346
EARTHQUAKES on January 28, 2021
24-hour UTC period · USGS data
10 km deep
Elevated activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
1
M4.0–4.9
28
M3.0–3.9
10
M2.0–2.9
93
M1.0–1.9
214
Activity Summary
346
Total earthquakes
~250
Daily average
Elevated
Activity level
1
M5.0+ events
Significant Earthquakes (M4.5+)
5.0
152 km W of Panguna, Papua New Guinea
06:03 UTC · 10.0 km deep
4.9
42 km SSW of Champerico, Guatemala
10:38 UTC · 33.4 km deep
4.8
southern Mid-Atlantic Ridge
00:51 UTC · 10.0 km deep
4.7
216 km SE of Pondaguitan, Philippines
07:57 UTC · 126.7 km deep
4.6
37 km ESE of Ichinohe, Japan
19:24 UTC · 69.2 km deep
4.6
84 km ENE of Shikotan, Russia
18:51 UTC · 67.5 km deep
4.6
60 km NE of ?uraabad, Azerbaijan
17:06 UTC · 35.0 km deep
Felt by 1
4.6
77 km WSW of Haveluloto, Tonga
16:49 UTC · 140.6 km deep
Earthquake Map — January 28, 2021
All Earthquakes — January 28, 2021
Showing 30 of 132 (filtered from 346)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2021-01-28 2021-01-28 23:50:16 UTC | 2.1ml | 66 km ENE of Pedro Bay, Alaska 60.087°, -153.079° | 124.5 km | - | - | - | ✓ Reviewed | USGS → |
On January 28, 2021, worldwide seismic activity registered a magnitude 2.1 earthquake 66 km ENE of Pedro Bay, Alaska at 23:50 UTC. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-01-28 2021-01-28 23:37:35 UTC | 2.0md | 10 km E of P?hala, Hawaii 19.221°, -155.383° | 29.6 km | - | - | - | Auto | USGS → |
At 23:37 UTC on January 28, 2021, a magnitude 2.0 tremor occurred 10 km E of P?hala, Hawaii. It arrived roughly 12 hours after a larger magnitude 2.4 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-01-28 2021-01-28 23:27:50 UTC | 2.7ml | 21 km WNW of Stanley, Idaho 44.285°, -115.186° | 13.1 km | 12 | - | - | ✓ Reviewed | USGS → |
This magnitude 2.7 event was detected 21 km WNW of Stanley, Idaho on January 28, 2021, with origin time 23:27 UTC. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-01-28 2021-01-28 23:17:25 UTC | 2.2ml | 50 km SW of Skwentna, Alaska 61.649°, -152.013° | 100.3 km | - | - | - | ✓ Reviewed | USGS → |
On January 28, 2021 at 23:17 UTC, a magnitude 2.2 earthquake struck 50 km SW of Skwentna, Alaska. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-01-28 2021-01-28 22:57:36 UTC | 2.3ml | 35 km SE of Mina, Nevada 38.173°, -117.816° | 10.4 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.3 seismic event took place 35 km SE of Mina, Nevada on January 28, 2021 at 22:57 UTC. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-01-28 2021-01-28 22:42:52 UTC | 3.5ml | 25 km E of Susitna North, Alaska 62.159°, -149.360° | 38.9 km | 10 | - | - | ✓ Reviewed | USGS → |
A magnitude 3.5 earthquake was recorded 25 km E of Susitna North, Alaska on January 28, 2021 at 22:42 UTC. The event was offshore. See the M3.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-01-28 2021-01-28 22:39:42 UTC | 4.1mb | Fiji region -18.541°, -177.711° | 618.5 km | - | - | - | ✓ Reviewed | USGS → |
On January 28, 2021, worldwide seismic activity registered a magnitude 4.1 earthquake in the Fiji region at 22:39 UTC. This is the deepest earthquake in the current dataset — a deep-focus event. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-01-28 2021-01-28 21:52:36 UTC | 4.2mb | 103 km W of Buala, Solomon Islands -8.100°, 158.652° | 98.5 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.2 earthquake 103 km W of Buala, Solomon Islands with origin time 21:52 UTC on January 28, 2021. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-01-28 2021-01-28 21:30:20 UTC | 2.0ml | 24 km WSW of Akhiok, Alaska 56.862°, -154.534° | 8.2 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.0 earthquake 24 km WSW of Akhiok, Alaska at 21:30 UTC on January 28, 2021. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-01-28 2021-01-28 20:48:06 UTC | 2.7md | 9 km SSE of Maria Antonia, Puerto Rico 17.900°, -66.844° | 16.0 km | - | - | - | ✓ Reviewed | USGS → |
At 20:48 UTC on January 28, 2021, a magnitude 2.7 tremor occurred 9 km SSE of Maria Antonia, Puerto Rico. Coming 8 hours after a magnitude 2.9 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. | ||||||||
2021-01-28 2021-01-28 20:43:34 UTC | 2.1md | 1 km N of Indios, Puerto Rico 18.006°, -66.817° | 14.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.1 event was detected 1 km N of Indios, Puerto Rico on January 28, 2021, with origin time 20:43 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.9 earthquake that occurred about 8 hours earlier. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-01-28 2021-01-28 20:39:43 UTC | 2.5md | 24 km SE of Emajagua, Puerto Rico 17.854°, -65.705° | 18.0 km | - | - | - | ✓ Reviewed | USGS → |
On January 28, 2021 at 20:39 UTC, a magnitude 2.5 earthquake struck 24 km SE of Emajagua, Puerto Rico. It arrived roughly 15 hours after a larger magnitude 2.7 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-01-28 2021-01-28 20:22:07 UTC | 2.2ml | 72 km ESE of Sand Point, Alaska 55.005°, -159.529° | 6.6 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.2 earthquake was recorded 72 km ESE of Sand Point, Alaska on January 28, 2021 at 20:22 UTC. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-01-28 2021-01-28 20:21:09 UTC | 2.0md | 6 km E of P?hala, Hawaii 19.213°, -155.415° | 33.4 km | - | - | - | Auto | USGS → |
On January 28, 2021, worldwide seismic activity registered a magnitude 2.0 earthquake 6 km E of P?hala, Hawaii at 20:21 UTC. It arrived roughly 9 hours after a larger magnitude 2.4 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-01-28 2021-01-28 19:49:22 UTC | 2.3ml | 3 km S of P?hala, Hawaii 19.169°, -155.481° | 33.5 km | - | - | - | Auto | USGS → |
A magnitude 2.3 earthquake was recorded 3 km S of P?hala, Hawaii on January 28, 2021 at 19:49 UTC. Coming 8 hours after a magnitude 2.4 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. | ||||||||
2021-01-28 2021-01-28 19:43:10 UTC | 3.3md | 94 km N of San Antonio, Puerto Rico 19.331°, -67.244° | 25.0 km | - | - | - | ✓ Reviewed | USGS → |
At 19:43 UTC on January 28, 2021, a magnitude 3.3 tremor occurred 94 km N of San Antonio, Puerto Rico. The event was offshore. See the M3.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-01-28 2021-01-28 19:24:26 UTC | 4.6mb | 37 km ESE of Ichinohe, Japan 40.083°, 141.697° | 69.2 km | - | - | - | ✓ Reviewed | USGS → |
At 19:24 UTC on January 28, 2021, a magnitude 4.6 tremor occurred 37 km ESE of Ichinohe, Japan. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-01-28 2021-01-28 19:09:21 UTC | 2.5mb_lg | 11 km NNE of Odessa, Texas 31.931°, -102.307° | 2.5 km | 10 | - | - | ✓ Reviewed | USGS → |
January 28, 2021 brought a magnitude 2.5 earthquake 11 km NNE of Odessa, Texas, logged at 19:09 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-01-28 2021-01-28 19:05:19 UTC | 2.4mb_lg | 11 km SE of Gardendale, Texas 31.941°, -102.299° | 3.3 km | 1 | - | - | ✓ Reviewed | USGS → |
At 19:05 UTC on January 28, 2021, a magnitude 2.4 tremor occurred 11 km SE of Gardendale, Texas. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-01-28 2021-01-28 19:00:50 UTC | 2.2md | 4 km SSE of Guánica, Puerto Rico 17.931°, -66.897° | 12.0 km | - | - | - | ✓ Reviewed | USGS → |
On January 28, 2021, worldwide seismic activity registered a magnitude 2.2 earthquake 4 km SSE of Guánica, Puerto Rico at 19:00 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.9 earthquake that occurred about 6 hours earlier. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-01-28 2021-01-28 18:53:30 UTC | 2.1md | 11 km ENE of P?hala, Hawaii 19.236°, -155.379° | 31.7 km | - | - | - | Auto | USGS → |
At 18:53 UTC on January 28, 2021, a magnitude 2.1 tremor occurred 11 km ENE of P?hala, Hawaii. Coming 7 hours after a magnitude 2.4 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. | ||||||||
2021-01-28 2021-01-28 18:51:50 UTC | 4.6mb | 84 km ENE of Shikotan, Russia 44.180°, 147.639° | 67.5 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.6 earthquake 84 km ENE of Shikotan, Russia at 18:51 UTC on January 28, 2021. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-01-28 2021-01-28 18:49:49 UTC | 4.3mwr | 2 km NW of Santafé, Spain 37.202°, -3.742° | 10.0 km | 1 | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.3 earthquake 2 km NW of Santafé, Spain came in on January 28, 2021 at 18:49 UTC. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-01-28 2021-01-28 18:40:13 UTC | 4.4mb | 116 km SW of Bam, Iran 28.279°, 57.620° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 18:40 UTC on January 28, 2021, a magnitude 4.4 tremor occurred 116 km SW of Bam, Iran. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-01-28 2021-01-28 18:35:01 UTC | 2.2md | Island of Hawaii, Hawaii 19.202°, -155.421° | 36.2 km | - | - | - | Auto | USGS → |
At 18:35 UTC on January 28, 2021, a magnitude 2.2 tremor occurred near Island of Hawaii, Hawaii. It arrived roughly 7 hours after a larger magnitude 2.4 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. | ||||||||
2021-01-28 2021-01-28 18:32:19 UTC | 2.8ml | 76 km SW of False Pass, Alaska 54.435°, -164.345° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.8 earthquake 76 km SW of False Pass, Alaska with origin time 18:32 UTC on January 28, 2021. The event was offshore. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-01-28 2021-01-28 18:32:00 UTC | 2.1md | 2 km NNW of Greenbrier, Arkansas 35.256°, -92.395° | 8.6 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.1 earthquake 2 km NNW of Greenbrier, Arkansas came in on January 28, 2021 at 18:32 UTC. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-01-28 2021-01-28 18:30:52 UTC | 2.1ml | 134 km WSW of Adak, Alaska 51.318°, -178.365° | 20.1 km | - | - | - | ✓ Reviewed | USGS → |
At 18:30 UTC on January 28, 2021, a magnitude 2.1 tremor occurred 134 km WSW of Adak, Alaska. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-01-28 2021-01-28 18:24:08 UTC | 4.3mb | 65 km ESE of Iwaki, Japan 36.892°, 141.590° | 39.4 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.3 seismic event took place 65 km ESE of Iwaki, Japan on January 28, 2021 at 18:24 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-01-28 2021-01-28 18:18:48 UTC | 3.1ml | 3 km N of Mountain Iron, Minnesota 47.565°, -92.619° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 3.1 event was detected 3 km N of Mountain Iron, Minnesota on January 28, 2021, with origin time 18:18 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M3.1 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 January 28, 2021. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.