Earthquakes on January 21, 2021
419
EARTHQUAKES on January 21, 2021
24-hour UTC period · USGS data
80 km deep · 75 people felt it
Elevated activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
2
M4.0–4.9
40
M3.0–3.9
35
M2.0–2.9
95
M1.0–1.9
247
Activity Summary
419
Total earthquakes
~250
Daily average
Elevated
Activity level
2
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
7.0
211 km SE of Pondaguitan, Philippines
12:23 UTC · 80.0 km deep
Felt by 75
5.0
1 km NE of Pérgamos, Cyprus
14:27 UTC · 62.9 km deep
Felt by 126
4.9
6 km SSW of Coronel Marcelino Maridueña, Ecuador
10:15 UTC · 90.2 km deep
Felt by 20
4.8
86 km WNW of Te Anau, New Zealand
13:51 UTC · 10.0 km deep
4.8
113 km NNW of Finschhafen, Papua New Guinea
02:06 UTC · 181.4 km deep
Felt by 1
4.8
44 km SW of Changuillo, Peru
00:27 UTC · 10.0 km deep
Felt by 1
4.7
2 km NNW of La Esperanza, Mexico
12:41 UTC · 86.7 km deep
4.7
201 km ESE of Sarangani, Philippines
12:38 UTC · 117.6 km deep
Earthquake Map — January 21, 2021
All Earthquakes — January 21, 2021
Showing 30 of 172 (filtered from 419)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2021-01-21 2021-01-21 23:56:36 UTC | 4.0mb | Pagan region, Northern Mariana Islands 18.344°, 145.529° | 169.3 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.0 seismic event took place in the Pagan region, Northern Mariana Islands on January 21, 2021 at 23:56 UTC. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-01-21 2021-01-21 23:43:47 UTC | 2.0md | 2 km SW of Indios, Puerto Rico 17.975°, -66.833° | 15.0 km | - | - | - | ✓ Reviewed | USGS → |
On January 21, 2021, worldwide seismic activity registered a magnitude 2.0 earthquake 2 km SW of Indios, Puerto Rico at 23:43 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.3 earthquake that occurred about 8 hours earlier. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-01-21 2021-01-21 23:35:17 UTC | 2.3ml | 104 km SSE of Sand Point, Alaska 54.488°, -159.803° | 13.3 km | - | - | - | ✓ Reviewed | USGS → |
On January 21, 2021 at 23:35 UTC, a magnitude 2.3 earthquake struck 104 km SSE of Sand Point, Alaska. Coming 22 hours after a magnitude 3.2 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. | ||||||||
2021-01-21 2021-01-21 23:22:53 UTC | 3.5md | 107 km N of Charlotte Amalie, U.S. Virgin Islands 19.311°, -64.944° | 39.0 km | - | - | - | ✓ Reviewed | USGS → |
On January 21, 2021 at 23:22 UTC, a magnitude 3.5 earthquake struck 107 km N of Charlotte Amalie, U.S. Virgin Islands. Coming 2 hours after a magnitude 3.6 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M3.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-01-21 2021-01-21 23:17:01 UTC | 2.1md | 10 km ENE of P?hala, Hawaii 19.224°, -155.380° | 31.6 km | - | - | - | Auto | USGS → |
Reports of a magnitude 2.1 earthquake 10 km ENE of P?hala, Hawaii came in on January 21, 2021 at 23:17 UTC. It arrived roughly 9 hours after a larger magnitude 2.9 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. | ||||||||
2021-01-21 2021-01-21 23:10:14 UTC | 2.3ml | 40 km SW of Arctic Village, Alaska 67.885°, -146.270° | 9.5 km | 1 | - | - | ✓ Reviewed | USGS → |
A magnitude 2.3 earthquake was recorded 40 km SW of Arctic Village, Alaska on January 21, 2021 at 23:10 UTC. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-01-21 2021-01-21 22:33:07 UTC | 4.5mb | 285 km S of ‘Ohonua, Tonga -23.894°, -175.262° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.5 earthquake was recorded 285 km S of ‘Ohonua, Tonga on January 21, 2021 at 22:33 UTC. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-01-21 2021-01-21 22:29:51 UTC | 3.7md | 115 km NE of Miches, Dominican Republic 19.802°, -68.360° | 36.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 3.7 earthquake 115 km NE of Miches, Dominican Republic at 22:29 UTC on January 21, 2021. The event was offshore. See the M3.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-01-21 2021-01-21 22:23:28 UTC | 4.3mb | 61 km N of Alotau, Papua New Guinea -9.763°, 150.477° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.3 earthquake 61 km N of Alotau, Papua New Guinea came in on January 21, 2021 at 22:23 UTC. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-01-21 2021-01-21 22:13:40 UTC | 4.0mb | 220 km SE of Pondaguitan, Philippines 4.921°, 127.549° | 121.9 km | - | - | - | ✓ Reviewed | USGS → |
January 21, 2021 brought a magnitude 4.0 earthquake 220 km SE of Pondaguitan, Philippines, logged at 22:13 UTC. It arrived roughly 10 hours after a larger magnitude 7.0 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-01-21 2021-01-21 22:12:19 UTC | 3.5md | 78 km NNE of Luquillo, Puerto Rico 19.036°, -65.447° | 55.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.5 earthquake was recorded 78 km NNE of Luquillo, Puerto Rico on January 21, 2021 at 22:12 UTC. See the M3.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-01-21 2021-01-21 22:04:24 UTC | 4.4mb | 4 km SSE of Yotsukaid?, Japan 35.616°, 140.185° | 63.9 km | 1 | - | - | ✓ Reviewed | USGS → |
On January 21, 2021 at 22:04 UTC, a magnitude 4.4 earthquake struck 4 km SSE of Yotsukaid?, Japan. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-01-21 2021-01-21 21:45:18 UTC | 4.3mb | 14 km SSW of Sarangani, Philippines 5.274°, 125.434° | 10.0 km | 2 | - | - | ✓ Reviewed | USGS → |
A magnitude 4.3 seismic event took place 14 km SSW of Sarangani, Philippines on January 21, 2021 at 21:45 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-01-21 2021-01-21 21:22:25 UTC | 3.6md | 100 km N of Charlotte Amalie, U.S. Virgin Islands 19.249°, -64.986° | 56.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.6 seismic event took place 100 km N of Charlotte Amalie, U.S. Virgin Islands on January 21, 2021 at 21:22 UTC. It arrived roughly 1 hours after a larger magnitude 3.6 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M3.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-01-21 2021-01-21 21:11:07 UTC | 2.2ml | 116 km ENE of Ouzinkie, Alaska 58.341°, -150.687° | 20.5 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.2 earthquake 116 km ENE of Ouzinkie, Alaska at 21:11 UTC on January 21, 2021. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-01-21 2021-01-21 21:01:31 UTC | 3.6md | 107 km N of Charlotte Amalie, U.S. Virgin Islands 19.309°, -64.903° | 36.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 3.6 event was detected 107 km N of Charlotte Amalie, U.S. Virgin Islands on January 21, 2021, with origin time 21:01 UTC. The event was offshore. See the M3.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-01-21 2021-01-21 20:56:38 UTC | 2.2md | 13km W of Toms Place, CA 37.567°, -118.826° | 3.6 km | - | - | - | ✓ Reviewed | USGS → |
On January 21, 2021, worldwide seismic activity registered a magnitude 2.2 earthquake 13km W of Toms Place, CA at 20:56 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.6 earthquake that occurred about 1 hours earlier. 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. | ||||||||
2021-01-21 2021-01-21 20:41:32 UTC | 3.1ml | 78 km SE of Sand Point, Alaska 54.787°, -159.732° | 24.4 km | - | - | - | ✓ Reviewed | USGS → |
At 20:41 UTC on January 21, 2021, a magnitude 3.1 tremor occurred 78 km SE of Sand Point, Alaska. This event falls inside the aftershock decay of a nearby magnitude 3.6 earthquake that occurred about 3 hours earlier. The event was offshore. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-01-21 2021-01-21 20:34:09 UTC | 2.6md | 4km E of Mammoth Lakes, CA 37.636°, -118.928° | 5.7 km | 3 | - | - | ✓ Reviewed | USGS → |
On January 21, 2021, worldwide seismic activity registered a magnitude 2.6 earthquake 4km E of Mammoth Lakes, CA at 20:34 UTC. In the 72 hours after this event, the USGS recorded 10 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-01-21 2021-01-21 19:47:57 UTC | 4.5mb | 88 km WSW of Cabra, Philippines 13.521°, 119.325° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.5 earthquake 88 km WSW of Cabra, Philippines with origin time 19:47 UTC on January 21, 2021. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-01-21 2021-01-21 19:34:26 UTC | 4.5mb | 52 km SE of Xunchang, China 28.080°, 105.040° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On January 21, 2021, worldwide seismic activity registered a magnitude 4.5 earthquake 52 km SE of Xunchang, China at 19:34 UTC. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-01-21 2021-01-21 19:29:47 UTC | 2.6md | 11 km SSE of Guánica, Puerto Rico 17.879°, -66.867° | 12.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.6 earthquake 11 km SSE of Guánica, Puerto Rico with origin time 19:29 UTC on January 21, 2021. Coming 4 hours after a magnitude 3.3 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-01-21 2021-01-21 19:29:16 UTC | 2.5ml | 60 km SE of Pope-Vannoy Landing, Alaska 59.234°, -153.627° | 99.6 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.5 event was detected 60 km SE of Pope-Vannoy Landing, Alaska on January 21, 2021, with origin time 19:29 UTC. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-01-21 2021-01-21 19:25:59 UTC | 2.4md | 0 km E of Magas Arriba, Puerto Rico 18.017°, -66.762° | 8.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.4 seismic event took place 0 km E of Magas Arriba, Puerto Rico on January 21, 2021 at 19:25 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. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-01-21 2021-01-21 19:15:17 UTC | 2.9ml | 21 km S of Antelope Valley-Crestview, Wyoming 44.037°, -105.438° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.9 seismic event took place 21 km S of Antelope Valley-Crestview, Wyoming on January 21, 2021 at 19:15 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. | ||||||||
2021-01-21 2021-01-21 18:56:23 UTC | 3.0md | 54 km W of Rincón, Puerto Rico 18.300°, -67.768° | 13.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 3.0 earthquake 54 km W of Rincón, Puerto Rico came in on January 21, 2021 at 18:56 UTC. The event was offshore. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-01-21 2021-01-21 18:54:12 UTC | 4.4mb | 115 km E of Taltal, Chile -25.437°, -69.340° | 90.3 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.4 earthquake was recorded 115 km E of Taltal, Chile on January 21, 2021 at 18:54 UTC. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-01-21 2021-01-21 18:52:29 UTC | 2.1ml | 61 km SE of Denali National Park, Alaska 63.214°, -150.725° | 129.2 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.1 earthquake was recorded 61 km SE of Denali National Park, Alaska on January 21, 2021 at 18:52 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.1 earthquake that occurred about 4 hours earlier. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-01-21 2021-01-21 18:51:46 UTC | 2.2ml | 20km W of Delta, B.C., MX 32.332°, -115.401° | 2.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.2 earthquake 20km W of Delta, B.C., MX with origin time 18:51 UTC on January 21, 2021. 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. | ||||||||
2021-01-21 2021-01-21 18:47:41 UTC | 2.1md | 9 km ENE of P?hala, Hawaii 19.226°, -155.391° | 32.2 km | - | - | - | Auto | USGS → |
A magnitude 2.1 seismic event took place 9 km ENE of P?hala, Hawaii on January 21, 2021 at 18:47 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.9 earthquake that occurred about 5 hours earlier. See the M2.1 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 21, 2021. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.