Earthquakes on February 4, 2021
265
EARTHQUAKES on February 4, 2021
24-hour UTC period · USGS data
11 km deep
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
7
M4.0–4.9
36
M3.0–3.9
4
M2.0–2.9
61
M1.0–1.9
157
Activity Summary
265
Total earthquakes
~250
Daily average
Normal
Activity level
7
M5.0+ events
Geographic Breakdown
Top Countries (International)
Significant Earthquakes (M4.5+)
5.7
southeast of the Loyalty Islands
12:14 UTC · 11.0 km deep
5.4
123 km N of Basco, Philippines
08:14 UTC · 10.0 km deep
Felt by 2
5.2
142 km WSW of San Nicolas, Philippines
07:48 UTC · 10.0 km deep
5.1
35 km NE of Paracale, Philippines
22:00 UTC · 10.0 km deep
Felt by 8
5.1
104 km NNE of Lobujya, Nepal
05:06 UTC · 10.0 km deep
Felt by 1
5.0
112 km SE of Isangel, Vanuatu
23:48 UTC · 40.7 km deep
5.0
94 km S of Kuril’sk, Russia
19:27 UTC · 82.5 km deep
4.9
southeast of the Loyalty Islands
12:21 UTC · 10.0 km deep
Earthquake Map — February 4, 2021
All Earthquakes — February 4, 2021
Showing 30 of 108 (filtered from 265)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2021-02-04 2021-02-04 23:57:26 UTC | 4.7mb | 191 km SE of Alo, Wallis and Futuna -15.651°, -176.981° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On February 4, 2021 at 23:57 UTC, a magnitude 4.7 earthquake struck 191 km SE of Alo, Wallis and Futuna. The event was offshore. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-04 2021-02-04 23:53:52 UTC | 4.5mb | Kermadec Islands region -31.615°, -177.962° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.5 event was detected in the Kermadec Islands region on February 4, 2021, with origin time 23:53 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-04 2021-02-04 23:52:33 UTC | 2.2ml | 24 km NNW of Morenci, Arizona 33.293°, -109.433° | 0.0 km | 6 | - | - | ✓ Reviewed | USGS → |
A magnitude 2.2 earthquake was recorded 24 km NNW of Morenci, Arizona on February 4, 2021 at 23:52 UTC. 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. | ||||||||
2021-02-04 2021-02-04 23:49:52 UTC | 3.0md | 22 km NNE of Luquillo, Puerto Rico 18.569°, -65.646° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 3.0 earthquake 22 km NNE of Luquillo, Puerto Rico came in on February 4, 2021 at 23:49 UTC. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-04 2021-02-04 23:49:49 UTC | 4.8mb | 52 km SW of Santa Teresa, Philippines 11.902°, 120.781° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
February 4, 2021 brought a magnitude 4.8 earthquake 52 km SW of Santa Teresa, Philippines, logged at 23:49 UTC. The event was offshore. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-04 2021-02-04 23:48:56 UTC | 5.0mb | 112 km SE of Isangel, Vanuatu -20.178°, 170.114° | 40.7 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 5.0 earthquake 112 km SE of Isangel, Vanuatu at 23:48 UTC on February 4, 2021. The event was offshore. See the M5.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-04 2021-02-04 23:40:52 UTC | 2.2ml | 30 km SE of Mina, Nevada 38.178°, -117.892° | 5.8 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.2 earthquake 30 km SE of Mina, Nevada with origin time 23:40 UTC on February 4, 2021. This event falls inside the aftershock decay of a nearby magnitude 2.9 earthquake that occurred about 9 hours earlier. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-04 2021-02-04 23:30:02 UTC | 4.5mb | 26 km NE of Sabang Indan, Philippines 14.381°, 123.094° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.5 earthquake 26 km NE of Sabang Indan, Philippines came in on February 4, 2021 at 23:30 UTC. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-04 2021-02-04 22:52:52 UTC | 2.2md | 6 km SSE of Guánica, Puerto Rico 17.914°, -66.888° | 15.0 km | - | - | - | ✓ Reviewed | USGS → |
On February 4, 2021, worldwide seismic activity registered a magnitude 2.2 earthquake 6 km SSE of Guánica, Puerto Rico at 22:52 UTC. Coming 10 hours after a magnitude 3.1 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-04 2021-02-04 22:08:40 UTC | 4.5mb | 38 km NE of Sabang Indan, Philippines 14.485°, 123.149° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.5 seismic event took place 38 km NE of Sabang Indan, Philippines on February 4, 2021 at 22:08 UTC. It arrived roughly 1 hours after a larger magnitude 5.1 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-04 2021-02-04 22:00:43 UTC | 5.1mww | 35 km NE of Paracale, Philippines 14.545°, 122.976° | 10.0 km | 8 | - | - | ✓ Reviewed | USGS → |
On February 4, 2021, worldwide seismic activity registered a magnitude 5.1 earthquake 35 km NE of Paracale, Philippines at 22:00 UTC. The event was offshore. See the M5.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-04 2021-02-04 21:16:49 UTC | 2.2ml | 88 km ESE of Sand Point, Alaska 54.910°, -159.326° | 13.2 km | - | - | - | ✓ Reviewed | USGS → |
At 21:16 UTC on February 4, 2021, a magnitude 2.2 tremor occurred 88 km ESE of Sand Point, Alaska. It arrived roughly 1 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. | ||||||||
2021-02-04 2021-02-04 21:16:17 UTC | 2.3md | 4 km E of P?hala, Hawaii 19.211°, -155.436° | 33.4 km | - | - | - | Auto | USGS → |
This magnitude 2.3 event was detected 4 km E of P?hala, Hawaii on February 4, 2021, with origin time 21:16 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.4 earthquake that occurred about 16 hours earlier. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-04 2021-02-04 20:53:52 UTC | 4.6mb | 81 km SW of Kokopo, Papua New Guinea -4.851°, 151.738° | 143.2 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.6 earthquake 81 km SW of Kokopo, Papua New Guinea with origin time 20:53 UTC on February 4, 2021. The event was offshore. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-04 2021-02-04 20:41:53 UTC | 2.2md | 12km WSW of Saratoga, CA 37.240°, -122.151° | 9.6 km | 2 | - | - | ✓ Reviewed | USGS → |
February 4, 2021 brought a magnitude 2.2 earthquake 12km WSW of Saratoga, CA, logged at 20:41 UTC. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-04 2021-02-04 20:37:46 UTC | 2.1ml | 24km NNE of Ensenada, B.C., MX 32.061°, -116.499° | 20.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.1 earthquake 24km NNE of Ensenada, B.C., MX with origin time 20:37 UTC on February 4, 2021. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-04 2021-02-04 20:24:44 UTC | 2.4ml | 75 km ESE of Sand Point, Alaska 55.011°, -159.459° | 4.3 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.4 seismic event took place 75 km ESE of Sand Point, Alaska on February 4, 2021 at 20:24 UTC. 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. | ||||||||
2021-02-04 2021-02-04 19:50:05 UTC | 2.6ml | 54 km WNW of Happy Valley, Alaska 60.083°, -152.680° | 106.8 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.6 earthquake 54 km WNW of Happy Valley, Alaska came in on February 4, 2021 at 19:50 UTC. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-04 2021-02-04 19:32:35 UTC | 4.5mb | 141 km NE of Tual, Indonesia -4.865°, 133.774° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
February 4, 2021 brought a magnitude 4.5 earthquake 141 km NE of Tual, Indonesia, logged at 19:32 UTC. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-04 2021-02-04 19:29:54 UTC | 2.2ml | 75 km SSE of Igiugig, Alaska 58.753°, -155.206° | 142.2 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.2 earthquake 75 km SSE of Igiugig, Alaska at 19:29 UTC on February 4, 2021. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-04 2021-02-04 19:27:37 UTC | 5.0mb | 94 km S of Kuril’sk, Russia 44.392°, 147.677° | 82.5 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 5.0 event was detected 94 km S of Kuril’sk, Russia on February 4, 2021, with origin time 19:27 UTC. The event was offshore. See the M5.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-04 2021-02-04 19:14:18 UTC | 2.4ml | 6 km E of P?hala, Hawaii 19.212°, -155.420° | 35.7 km | - | - | - | Auto | USGS → |
A magnitude 2.4 earthquake was recorded 6 km E of P?hala, Hawaii on February 4, 2021 at 19:14 UTC. Coming 14 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 M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-04 2021-02-04 18:59:29 UTC | 2.1md | 6 km E of P?hala, Hawaii 19.209°, -155.419° | 35.6 km | - | - | - | Auto | USGS → |
February 4, 2021 brought a magnitude 2.1 earthquake 6 km E of P?hala, Hawaii, logged at 18:59 UTC. It arrived roughly 14 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 M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-04 2021-02-04 18:56:43 UTC | 2.1md | 5 km E of P?hala, Hawaii 19.208°, -155.424° | 35.3 km | - | - | - | Auto | USGS → |
A magnitude 2.1 seismic event took place 5 km E of P?hala, Hawaii on February 4, 2021 at 18:56 UTC. Coming 14 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 M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-04 2021-02-04 18:41:14 UTC | 2.3md | 5 km ENE of P?hala, Hawaii 19.218°, -155.428° | 35.4 km | - | - | - | Auto | USGS → |
On February 4, 2021, worldwide seismic activity registered a magnitude 2.3 earthquake 5 km ENE of P?hala, Hawaii at 18:41 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.4 earthquake that occurred about 14 hours earlier. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-04 2021-02-04 18:36:26 UTC | 4.3mb | 13 km WSW of Venustiano Carranza (Peña Blanca), Mexico 17.575°, -94.862° | 129.4 km | - | - | - | ✓ Reviewed | USGS → |
On February 4, 2021 at 18:36 UTC, a magnitude 4.3 earthquake struck 13 km WSW of Venustiano Carranza (Peña Blanca), Mexico. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-04 2021-02-04 18:30:41 UTC | 4.4mb | 124 km NW of Panguna, Papua New Guinea -5.640°, 154.582° | 144.1 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.4 earthquake 124 km NW of Panguna, Papua New Guinea at 18:30 UTC on February 4, 2021. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-04 2021-02-04 17:51:41 UTC | 4.6mb | 54 km WSW of Gizo, Solomon Islands -8.270°, 156.375° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On February 4, 2021, worldwide seismic activity registered a magnitude 4.6 earthquake 54 km WSW of Gizo, Solomon Islands at 17:51 UTC. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-04 2021-02-04 17:46:09 UTC | 4.2mb | Fiji region -20.434°, -178.031° | 408.4 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.2 earthquake in the Fiji region at 17:46 UTC on February 4, 2021. 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. | ||||||||
2021-02-04 2021-02-04 17:21:58 UTC | 2.8ml | 110 km SSE of Sand Point, Alaska 54.452°, -159.732° | 19.2 km | - | - | - | ✓ Reviewed | USGS → |
February 4, 2021 brought a magnitude 2.8 earthquake 110 km SSE of Sand Point, Alaska, logged at 17:21 UTC. See the M2.8 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 4, 2021. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.