Earthquakes on February 28, 2021
296
EARTHQUAKES on February 28, 2021
24-hour UTC period · USGS data
LARGEST: M5.9 — 86 km W of Port-Vila, Vanuatu
11 km deep · 12 people felt it
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
9
M4.0–4.9
35
M3.0–3.9
16
M2.0–2.9
74
M1.0–1.9
162
Activity Summary
296
Total earthquakes
~250
Daily average
Normal
Activity level
9
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
5.9
86 km W of Port-Vila, Vanuatu
23:37 UTC · 11.0 km deep
Felt by 12
5.7
southeast of the Loyalty Islands
20:37 UTC · 11.0 km deep
05.5
78 km SW of Islay (Matarani), Peru
02:16 UTC · 14.0 km deep
Felt by 3
5.4
185 km WSW of Adak, Alaska
10:44 UTC · 22.0 km deep
Felt by 2
5.2
239 km W of Hihifo, Tonga
03:31 UTC · 26.0 km deep
5.1
235 km S of Mata-Utu, Wallis and Futuna
06:11 UTC · 26.0 km deep
5.1
49 km ESE of Koseda, Japan
14:30 UTC · 30.2 km deep
5.0
southeast of the Loyalty Islands
21:17 UTC · 35.0 km deep
Earthquake Map — February 28, 2021
All Earthquakes — February 28, 2021
Showing 30 of 134 (filtered from 296)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2021-02-28 2021-02-28 23:56:57 UTC | 2.2ml | 51 km NW of Toyah, Texas 31.591°, -104.230° | 7.3 km | - | - | - | ✓ Reviewed | USGS → |
On February 28, 2021, worldwide seismic activity registered a magnitude 2.2 earthquake 51 km NW of Toyah, Texas at 23:56 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.2 earthquake that occurred about 2 hours earlier. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-28 2021-02-28 23:52:34 UTC | 4.5mb | 102 km NNW of Curup, Indonesia -2.640°, 102.112° | 169.7 km | - | - | - | ✓ Reviewed | USGS → |
On February 28, 2021 at 23:52 UTC, a magnitude 4.5 earthquake struck 102 km NNW of Curup, Indonesia. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-28 2021-02-28 23:51:31 UTC | 2.1ml | 67 km ESE of Nikolski, Alaska 52.759°, -167.911° | 16.1 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.1 seismic event took place 67 km ESE of Nikolski, Alaska on February 28, 2021 at 23:51 UTC. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-28 2021-02-28 23:37:15 UTC | 5.9mww | 86 km W of Port-Vila, Vanuatu -17.723°, 167.496° | 11.0 km | 12 | IV | green | ✓ Reviewed | USGS → |
On February 28, 2021 at 23:37 UTC, a magnitude 5.9 earthquake struck 86 km W of Port-Vila, Vanuatu. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. It is the largest earthquake currently listed for worldwide seismic activity on February 28, 2021. See the M5.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-28 2021-02-28 23:33:37 UTC | 2.0ml | 30 km SE of Mina, Nevada 38.169°, -117.902° | 11.2 km | - | - | - | ✓ Reviewed | USGS → |
February 28, 2021 brought a magnitude 2.0 earthquake 30 km SE of Mina, Nevada, logged at 23:33 UTC. It arrived roughly 1 hours after a larger magnitude 2.8 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. | ||||||||
2021-02-28 2021-02-28 23:32:57 UTC | 2.8ml | 30 km SE of Mina, Nevada 38.169°, -117.899° | 11.6 km | - | - | - | ✓ Reviewed | USGS → |
On February 28, 2021, worldwide seismic activity registered a magnitude 2.8 earthquake 30 km SE of Mina, Nevada at 23:32 UTC. In the 72 hours after this event, the USGS recorded 4 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. | ||||||||
2021-02-28 2021-02-28 22:51:23 UTC | 4.5mb | 3 km NE of Telafas, Philippines 6.653°, 124.997° | 11.4 km | 1 | - | - | ✓ Reviewed | USGS → |
A magnitude 4.5 earthquake was recorded 3 km NE of Telafas, Philippines on February 28, 2021 at 22:51 UTC. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-28 2021-02-28 22:39:29 UTC | 2.0ml | 50 km ESE of Pedro Bay, Alaska 59.579°, -153.312° | 99.9 km | - | - | - | ✓ Reviewed | USGS → |
On February 28, 2021 at 22:39 UTC, a magnitude 2.0 earthquake struck 50 km ESE of Pedro Bay, Alaska. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-28 2021-02-28 22:28:21 UTC | 2.5md | 4 km SSW of Indios, Puerto Rico 17.954°, -66.841° | 14.0 km | - | - | - | ✓ Reviewed | USGS → |
At 22:28 UTC on February 28, 2021, a magnitude 2.5 tremor occurred 4 km SSW of Indios, Puerto Rico. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-28 2021-02-28 22:27:20 UTC | 4.5mb | Kepulauan Babar, Indonesia -7.264°, 129.156° | 108.9 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.5 earthquake near Kepulauan Babar, Indonesia with origin time 22:27 UTC on February 28, 2021. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-28 2021-02-28 22:22:59 UTC | 2.3ml | 52 km SSW of Whites City, New Mexico 31.726°, -104.550° | 6.7 km | - | - | - | ✓ Reviewed | USGS → |
On February 28, 2021 at 22:22 UTC, a magnitude 2.3 earthquake struck 52 km SSW of Whites City, New Mexico. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-28 2021-02-28 22:09:38 UTC | 2.1ml | 4 km SSW of Princeton, Canada 49.419°, -120.535° | -0.5 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.1 earthquake 4 km SSW of Princeton, Canada at 22:09 UTC on February 28, 2021. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-28 2021-02-28 22:09:29 UTC | 4.3mb | southeast of the Loyalty Islands -23.307°, 172.382° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.3 earthquake was recorded southeast of the Loyalty Islands on February 28, 2021 at 22:09 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-28 2021-02-28 22:08:55 UTC | 2.3ml | 31 km SSE of False Pass, Alaska 54.581°, -163.313° | 11.5 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.3 earthquake was recorded 31 km SSE of False Pass, Alaska on February 28, 2021 at 22:08 UTC. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-28 2021-02-28 22:00:42 UTC | 3.2ml | 54 km S of Whites City, New Mexico 31.688°, -104.301° | 6.6 km | 1 | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 3.2 earthquake 54 km S of Whites City, New Mexico with origin time 22:00 UTC on February 28, 2021. The event was offshore. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-28 2021-02-28 21:50:17 UTC | 2.3ml | 108 km SSE of Sand Point, Alaska 54.504°, -159.607° | 28.2 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.3 earthquake 108 km SSE of Sand Point, Alaska with origin time 21:50 UTC on February 28, 2021. Coming 15 hours after a magnitude 3.1 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. | ||||||||
2021-02-28 2021-02-28 21:48:45 UTC | 2.2md | 6 km ESE of La Parguera, Puerto Rico 17.947°, -66.996° | 9.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.2 seismic event took place 6 km ESE of La Parguera, Puerto Rico on February 28, 2021 at 21:48 UTC. Coming 3 hours after a magnitude 2.4 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. | ||||||||
2021-02-28 2021-02-28 21:45:03 UTC | 2.3ml | 2 km SE of Meno, Oklahoma 36.369°, -98.156° | 7.8 km | 2 | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.3 earthquake 2 km SE of Meno, Oklahoma came in on February 28, 2021 at 21:45 UTC. It arrived roughly 1 hours after a larger magnitude 3.7 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-28 2021-02-28 21:41:37 UTC | 2.4ml | 52 km NW of Toyah, Texas 31.598°, -104.231° | 6.6 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.4 earthquake 52 km NW of Toyah, Texas at 21:41 UTC on February 28, 2021. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-28 2021-02-28 21:38:38 UTC | 3.7ml | 3 km SE of Meno, Oklahoma 36.363°, -98.155° | 7.2 km | 30 | IV | - | ✓ Reviewed | USGS → |
Reports of a magnitude 3.7 earthquake 3 km SE of Meno, Oklahoma came in on February 28, 2021 at 21:38 UTC. The event was offshore. See the M3.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-28 2021-02-28 21:38:06 UTC | 2.0md | 5 km SSE of Maria Antonia, Puerto Rico 17.933°, -66.871° | 13.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.0 seismic event took place 5 km SSE of Maria Antonia, Puerto Rico on February 28, 2021 at 21:38 UTC. Coming 4 hours after a magnitude 2.4 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-28 2021-02-28 21:36:38 UTC | 2.2ml | 38 km NW of Stanley, Idaho 44.497°, -115.214° | 4.7 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.2 earthquake was recorded 38 km NW of Stanley, Idaho on February 28, 2021 at 21:36 UTC. Coming 10 hours after a magnitude 2.4 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. 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. | ||||||||
2021-02-28 2021-02-28 21:27:05 UTC | 4.7mb | South Sandwich Islands region -56.780°, -26.551° | 118.8 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.7 earthquake was recorded in the South Sandwich Islands region on February 28, 2021 at 21:27 UTC. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-28 2021-02-28 21:23:50 UTC | 4.9mb | southeast of the Loyalty Islands -22.844°, 172.366° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
February 28, 2021 brought a magnitude 4.9 earthquake southeast of the Loyalty Islands, logged at 21:23 UTC. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-28 2021-02-28 21:17:52 UTC | 5.0mb | southeast of the Loyalty Islands -22.450°, 172.232° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 5.0 earthquake southeast of the Loyalty Islands came in on February 28, 2021 at 21:17 UTC. See the M5.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-28 2021-02-28 21:04:22 UTC | 2.3ml | 57 km WNW of Akhiok, Alaska 57.120°, -155.054° | 58.2 km | - | - | - | ✓ Reviewed | USGS → |
On February 28, 2021, worldwide seismic activity registered a magnitude 2.3 earthquake 57 km WNW of Akhiok, Alaska at 21:04 UTC. It arrived roughly 17 hours after a larger magnitude 2.4 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-28 2021-02-28 20:56:22 UTC | 3.2ml | 14 km ENE of Gardendale, Texas 32.068°, -102.241° | 8.8 km | 21 | - | - | ✓ Reviewed | USGS → |
On February 28, 2021, worldwide seismic activity registered a magnitude 3.2 earthquake 14 km ENE of Gardendale, Texas at 20:56 UTC. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-28 2021-02-28 20:55:47 UTC | 4.4mb | 237 km E of Levuka, Fiji -17.915°, -178.449° | 571.2 km | - | - | - | ✓ Reviewed | USGS → |
February 28, 2021 brought a magnitude 4.4 earthquake 237 km E of Levuka, Fiji, logged at 20:55 UTC. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-28 2021-02-28 20:53:36 UTC | 2.8ml | 14 km S of Volcano, Hawaii 19.309°, -155.209° | 1.5 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.8 earthquake 14 km S of Volcano, Hawaii at 20:53 UTC on February 28, 2021. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-28 2021-02-28 20:37:37 UTC | 5.7mww | southeast of the Loyalty Islands -22.761°, 172.541° | 11.0 km | - | - | green | ✓ Reviewed | USGS → |
A magnitude 5.7 earthquake was recorded southeast of the Loyalty Islands on February 28, 2021 at 20:37 UTC. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. See the M5.7 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 28, 2021. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.