Earthquakes on February 9, 2021
339
EARTHQUAKES on February 9, 2021
24-hour UTC period · USGS data
53 km deep · 2 people felt it
Elevated activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
7
M4.0–4.9
38
M3.0–3.9
21
M2.0–2.9
58
M1.0–1.9
215
Activity Summary
339
Total earthquakes
~250
Daily average
Elevated
Activity level
7
M5.0+ events
Significant Earthquakes (M4.5+)
5.6
110 km SSW of Kokopo, Papua New Guinea
02:55 UTC · 53.0 km deep
Felt by 2
5.3
Izu Islands, Japan region
07:07 UTC · 64.5 km deep
Felt by 1
5.2
Banda Sea
07:24 UTC · 159.5 km deep
5.1
61 km N of Segunda Jerusalén - Azunguillo, Peru
01:40 UTC · 20.7 km deep
Felt by 5
5.0
southeast Indian Ridge
22:35 UTC · 10.0 km deep
5.0
western Indian-Antarctic Ridge
22:29 UTC · 10.0 km deep
5.0
51 km ESE of Koshima, Japan
03:39 UTC · 35.0 km deep
04.9
western Indian-Antarctic Ridge
23:57 UTC · 10.0 km deep
Earthquake Map — February 9, 2021
All Earthquakes — February 9, 2021
Showing 30 of 124 (filtered from 339)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2021-02-09 2021-02-09 23:57:40 UTC | 4.9mb | western Indian-Antarctic Ridge -50.111°, 119.849° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.9 earthquake near western Indian-Antarctic Ridge came in on February 9, 2021 at 23:57 UTC. This event falls inside the aftershock decay of a nearby magnitude 5.0 earthquake that occurred about 1 hours earlier. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-09 2021-02-09 23:26:47 UTC | 2.0ml | 30 km SSE of Mina, Nevada 38.138°, -117.957° | 13.7 km | - | - | - | Auto | USGS → |
A magnitude 2.0 seismic event took place 30 km SSE of Mina, Nevada on February 9, 2021 at 23:26 UTC. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-09 2021-02-09 23:25:47 UTC | 4.5mb | 59 km NW of Sake, Democratic Republic of the Congo -1.190°, 28.671° | 10.0 km | 1 | - | - | ✓ Reviewed | USGS → |
A magnitude 4.5 earthquake was recorded 59 km NW of Sake, Democratic Republic of the Congo on February 9, 2021 at 23:25 UTC. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-09 2021-02-09 22:58:15 UTC | 2.6md | 7 km ESE of Pole Ojea, Puerto Rico 17.943°, -67.122° | 9.0 km | - | - | - | ✓ Reviewed | USGS → |
On February 9, 2021 at 22:58 UTC, a magnitude 2.6 earthquake struck 7 km ESE of Pole Ojea, Puerto Rico. Coming 22 hours after a magnitude 2.9 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. | ||||||||
2021-02-09 2021-02-09 22:37:46 UTC | 2.3ml | 8 km ENE of P?hala, Hawaii 19.221°, -155.396° | 31.5 km | - | - | - | Auto | USGS → |
Reports of a magnitude 2.3 earthquake 8 km ENE of P?hala, Hawaii came in on February 9, 2021 at 22:37 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.8 earthquake that occurred about 1 hours earlier. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-09 2021-02-09 22:35:02 UTC | 5.0mb | southeast Indian Ridge -42.258°, 88.430° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 22:35 UTC on February 9, 2021, a magnitude 5.0 tremor occurred near southeast Indian Ridge. See the M5.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-09 2021-02-09 22:29:48 UTC | 5.0mb | western Indian-Antarctic Ridge -50.113°, 119.735° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 5.0 earthquake near western Indian-Antarctic Ridge at 22:29 UTC on February 9, 2021. See the M5.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-09 2021-02-09 22:28:37 UTC | 2.8md | 9 km ENE of P?hala, Hawaii 19.232°, -155.392° | 32.6 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.8 earthquake 9 km ENE of P?hala, Hawaii with origin time 22:28 UTC on February 9, 2021. 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 M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-09 2021-02-09 21:31:30 UTC | 2.6ml | 109 km SSE of Sand Point, Alaska 54.415°, -159.912° | 20.4 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.6 earthquake was recorded 109 km SSE of Sand Point, Alaska on February 9, 2021 at 21:31 UTC. It arrived roughly 13 hours after a larger magnitude 3.1 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-09 2021-02-09 20:44:37 UTC | 4.3mb | 35 km S of Singkil, Indonesia 1.969°, 97.738° | 47.4 km | - | - | - | ✓ Reviewed | USGS → |
At 20:44 UTC on February 9, 2021, a magnitude 4.3 tremor occurred 35 km S of Singkil, Indonesia. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-09 2021-02-09 20:43:57 UTC | 2.0ml | 54 km S of King Cove, Alaska 54.574°, -162.398° | 53.0 km | - | - | - | ✓ Reviewed | USGS → |
February 9, 2021 brought a magnitude 2.0 earthquake 54 km S of King Cove, Alaska, logged at 20:43 UTC. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-09 2021-02-09 20:40:33 UTC | 3.1ml | 81 km ESE of Sand Point, Alaska 55.058°, -159.308° | 9.5 km | - | - | - | ✓ Reviewed | USGS → |
At 20:40 UTC on February 9, 2021, a magnitude 3.1 tremor occurred 81 km ESE of Sand Point, Alaska. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-09 2021-02-09 20:13:47 UTC | 2.6ml | 65 km NNW of Atka, Alaska 52.707°, -174.688° | 194.7 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.6 earthquake 65 km NNW of Atka, Alaska with origin time 20:13 UTC on February 9, 2021. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-09 2021-02-09 20:03:36 UTC | 2.1ml | 4 km SE of Healy, Alaska 63.823°, -148.902° | 8.3 km | - | - | - | ✓ Reviewed | USGS → |
February 9, 2021 brought a magnitude 2.1 earthquake 4 km SE of Healy, Alaska, logged at 20:03 UTC. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-09 2021-02-09 19:57:43 UTC | 2.5ml | 75 km SSW of Adak, Alaska 51.254°, -177.085° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.5 earthquake 75 km SSW of Adak, Alaska came in on February 9, 2021 at 19:57 UTC. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-09 2021-02-09 19:48:49 UTC | 4.6mb | southeast of the Loyalty Islands -22.761°, 171.825° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.6 event was detected southeast of the Loyalty Islands on February 9, 2021, with origin time 19:48 UTC. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-09 2021-02-09 19:32:29 UTC | 3.6ml | 30 km S of Denali National Park, Alaska 63.269°, -151.768° | 13.2 km | - | IV | - | ✓ Reviewed | USGS → |
On February 9, 2021 at 19:32 UTC, a magnitude 3.6 earthquake struck 30 km S of Denali National Park, Alaska. The event was offshore. See the M3.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-09 2021-02-09 19:29:18 UTC | 4.4mb | 50 km E of Port-Olry, Vanuatu -15.088°, 167.543° | 138.4 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.4 earthquake 50 km E of Port-Olry, Vanuatu came in on February 9, 2021 at 19:29 UTC. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-09 2021-02-09 19:22:12 UTC | 4.0mb | 281 km WNW of Haveluloto, Tonga -20.474°, -177.815° | 501.2 km | - | - | - | ✓ Reviewed | USGS → |
On February 9, 2021, worldwide seismic activity registered a magnitude 4.0 earthquake 281 km WNW of Haveluloto, Tonga at 19:22 UTC. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-09 2021-02-09 18:58:31 UTC | 2.7md | 8km ESE of Fremont, CA 37.527°, -121.895° | 6.9 km | 145 | - | - | ✓ Reviewed | USGS → |
A magnitude 2.7 seismic event took place 8km ESE of Fremont, CA on February 9, 2021 at 18:58 UTC. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-09 2021-02-09 18:47:12 UTC | 2.9md | 0 km S of Magas Arriba, Puerto Rico 18.010°, -66.770° | 14.0 km | 1 | - | - | ✓ Reviewed | USGS → |
A magnitude 2.9 seismic event took place 0 km S of Magas Arriba, Puerto Rico on February 9, 2021 at 18:47 UTC. The event was offshore. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-09 2021-02-09 18:29:50 UTC | 2.6ml | 136 km SSE of Sand Point, Alaska 54.206°, -159.677° | 24.1 km | - | - | - | ✓ Reviewed | USGS → |
On February 9, 2021, worldwide seismic activity registered a magnitude 2.6 earthquake 136 km SSE of Sand Point, Alaska at 18:29 UTC. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-09 2021-02-09 18:23:10 UTC | 2.9md | 26 km N of Tierras Nuevas Poniente, Puerto Rico 18.703°, -66.459° | 16.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.9 earthquake 26 km N of Tierras Nuevas Poniente, Puerto Rico came in on February 9, 2021 at 18:23 UTC. The event was offshore. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-09 2021-02-09 18:23:03 UTC | 3.2ml | 7 km NNE of Kinney, Minnesota 47.581°, -92.708° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
On February 9, 2021, worldwide seismic activity registered a magnitude 3.2 earthquake 7 km NNE of Kinney, Minnesota at 18:23 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. | ||||||||
2021-02-09 2021-02-09 18:17:17 UTC | 2.0ml | 25 km E of Honaunau-Napoopoo, Hawaii 19.427°, -155.624° | 0.1 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.0 earthquake 25 km E of Honaunau-Napoopoo, Hawaii at 18:17 UTC on February 9, 2021. This event falls inside the aftershock decay of a nearby magnitude 2.8 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 M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-09 2021-02-09 18:10:51 UTC | 2.8ml | 26 km E of Honaunau-Napoopoo, Hawaii 19.425°, -155.611° | -1.5 km | 2 | - | - | ✓ Reviewed | USGS → |
On February 9, 2021, worldwide seismic activity registered a magnitude 2.8 earthquake 26 km E of Honaunau-Napoopoo, Hawaii at 18:10 UTC. This is the shallowest earthquake in the current dataset — a shallow crustal event. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-09 2021-02-09 17:41:54 UTC | 2.6md | 61km W of Petrolia, CA 40.352°, -125.001° | 15.1 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.6 event was detected 61km W of Petrolia, CA on February 9, 2021, with origin time 17:41 UTC. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-09 2021-02-09 17:35:54 UTC | 2.7ml | 113 km SSE of Sand Point, Alaska 54.431°, -159.682° | 29.3 km | - | - | - | ✓ Reviewed | USGS → |
At 17:35 UTC on February 9, 2021, a magnitude 2.7 tremor occurred 113 km SSE of Sand Point, Alaska. Coming 9 hours after a magnitude 3.1 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. | ||||||||
2021-02-09 2021-02-09 17:13:02 UTC | 4.2mb | Pagan region, Northern Mariana Islands 18.319°, 145.695° | 191.4 km | - | - | - | ✓ Reviewed | USGS → |
February 9, 2021 brought a magnitude 4.2 earthquake in the Pagan region, Northern Mariana Islands, logged at 17:13 UTC. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-09 2021-02-09 16:57:58 UTC | 4.9mb | South Sandwich Islands region -60.082°, -23.786° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.9 seismic event took place in the South Sandwich Islands region on February 9, 2021 at 16:57 UTC. See the M4.9 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 February 9, 2021. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.