Earthquakes on February 27, 2021
311
EARTHQUAKES on February 27, 2021
24-hour UTC period · USGS data
LARGEST: M5.6 — 294 km E of Levuka, Fiji
552 km deep
Elevated activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
5
M4.0–4.9
31
M3.0–3.9
10
M2.0–2.9
61
M1.0–1.9
204
Activity Summary
311
Total earthquakes
~250
Daily average
Elevated
Activity level
5
M5.0+ events
Geographic Breakdown
Top Countries (International)
Significant Earthquakes (M4.5+)
5.6
294 km E of Levuka, Fiji
02:13 UTC · 552.1 km deep
5.3
5 km SSE of Point MacKenzie, Alaska
18:59 UTC · 46.0 km deep
5.3
5 km SSE of Point MacKenzie, Alaska
18:59 UTC · 46.0 km deep
Felt by 2,970
5.2
south of Tonga
20:14 UTC · 10.0 km deep
5.2
8 km SW of Álftanes, Iceland
08:07 UTC · 10.0 km deep
Felt by 23
4.9
Falkland Islands region
15:16 UTC · 10.7 km deep
Felt by 1
4.8
south of Panama
20:28 UTC · 10.0 km deep
4.8
19 km NNW of Turangi, New Zealand
11:42 UTC · 124.9 km deep
Earthquake Map — February 27, 2021
All Earthquakes — February 27, 2021
Showing 30 of 107 (filtered from 311)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2021-02-27 2021-02-27 23:47:41 UTC | 2.6ml | 53 km E of Pedro Bay, Alaska 59.729°, -153.163° | 105.9 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.6 earthquake 53 km E of Pedro Bay, Alaska at 23:47 UTC on February 27, 2021. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-27 2021-02-27 23:42:03 UTC | 2.1ml | 24 km NW of Stanley, Idaho 44.359°, -115.177° | 7.7 km | - | - | - | ✓ Reviewed | USGS → |
February 27, 2021 brought a magnitude 2.1 earthquake 24 km NW of Stanley, Idaho, logged at 23:42 UTC. Coming 23 hours after a magnitude 2.3 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. | ||||||||
2021-02-27 2021-02-27 23:01:24 UTC | 4.2mb | 128 km SW of Acajutla, El Salvador 12.669°, -90.544° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On February 27, 2021 at 23:01 UTC, a magnitude 4.2 earthquake struck 128 km SW of Acajutla, El Salvador. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-27 2021-02-27 22:42:17 UTC | 2.0ml | 11 km SE of Ratliff City, Oklahoma 34.383°, -97.417° | 5.4 km | - | - | - | ✓ Reviewed | USGS → |
February 27, 2021 brought a magnitude 2.0 earthquake 11 km SE of Ratliff City, Oklahoma, logged at 22:42 UTC. It arrived roughly 12 hours after a larger magnitude 2.3 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. | ||||||||
2021-02-27 2021-02-27 22:36:34 UTC | 4.4mb | 91 km W of San Antonio de los Cobres, Argentina -24.274°, -67.217° | 196.6 km | 1 | - | - | ✓ Reviewed | USGS → |
A magnitude 4.4 earthquake was recorded 91 km W of San Antonio de los Cobres, Argentina on February 27, 2021 at 22:36 UTC. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-27 2021-02-27 22:16:19 UTC | 4.4mb | 129 km W of Ternate, Indonesia 0.834°, 126.223° | 20.7 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.4 earthquake 129 km W of Ternate, Indonesia with origin time 22:16 UTC on February 27, 2021. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-27 2021-02-27 22:13:07 UTC | 4.3mwr | 77 km ESE of Sand Point, Alaska 54.959°, -159.471° | 25.3 km | 1 | - | - | ✓ Reviewed | USGS → |
February 27, 2021 brought a magnitude 4.3 earthquake 77 km ESE of Sand Point, Alaska, logged at 22:13 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-27 2021-02-27 21:56:52 UTC | 2.4ml | 220 km W of Adak, Alaska 51.968°, -179.831° | 66.9 km | - | - | - | ✓ Reviewed | USGS → |
On February 27, 2021, worldwide seismic activity registered a magnitude 2.4 earthquake 220 km W of Adak, Alaska at 21:56 UTC. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-27 2021-02-27 21:54:20 UTC | 2.4ml | 6km WSW of Manhattan Beach, CA 33.856°, -118.463° | 12.7 km | 17 | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.4 earthquake 6km WSW of Manhattan Beach, CA with origin time 21:54 UTC on February 27, 2021. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-27 2021-02-27 21:13:10 UTC | 4.1mb | 13 km NNE of Gura Teghii, Romania 45.594°, 26.496° | 130.3 km | 34 | - | - | ✓ Reviewed | USGS → |
On February 27, 2021, worldwide seismic activity registered a magnitude 4.1 earthquake 13 km NNE of Gura Teghii, Romania at 21:13 UTC. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-27 2021-02-27 20:39:46 UTC | 4.3mb | 50 km W of Pelabuhanratu, Indonesia -6.924°, 106.095° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On February 27, 2021 at 20:39 UTC, a magnitude 4.3 earthquake struck 50 km W of Pelabuhanratu, Indonesia. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-27 2021-02-27 20:28:33 UTC | 4.8mb | south of Panama 4.868°, -82.657° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.8 event was detected south of Panama on February 27, 2021, with origin time 20:28 UTC. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-27 2021-02-27 20:16:17 UTC | 4.4mb | 13 km NW of Cepitá, Colombia 6.850°, -73.053° | 143.8 km | - | - | - | ✓ Reviewed | USGS → |
On February 27, 2021, worldwide seismic activity registered a magnitude 4.4 earthquake 13 km NW of Cepitá, Colombia at 20:16 UTC. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-27 2021-02-27 20:15:18 UTC | 2.4md | 6 km SE of Maria Antonia, Puerto Rico 17.940°, -66.846° | 13.0 km | - | - | - | ✓ Reviewed | USGS → |
February 27, 2021 brought a magnitude 2.4 earthquake 6 km SE of Maria Antonia, Puerto Rico, logged at 20:15 UTC. It arrived roughly 17 hours after a larger magnitude 2.5 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. | ||||||||
2021-02-27 2021-02-27 20:14:17 UTC | 5.2mww | south of Tonga -24.467°, -175.647° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On February 27, 2021, worldwide seismic activity registered a magnitude 5.2 earthquake south of Tonga at 20:14 UTC. See the M5.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-27 2021-02-27 20:10:37 UTC | 2.9ml | south of Alaska 54.518°, -159.901° | 17.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.9 event was detected south of Alaska on February 27, 2021, with origin time 20:10 UTC. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-27 2021-02-27 20:03:45 UTC | 4.1mb | 104 km NNW of Lobujya, Nepal 28.840°, 86.469° | 15.4 km | - | - | - | ✓ Reviewed | USGS → |
At 20:03 UTC on February 27, 2021, a magnitude 4.1 tremor occurred 104 km NNW of Lobujya, Nepal. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-27 2021-02-27 19:30:07 UTC | 3.5ml | 206 km ESE of Nikolski, Alaska 51.957°, -166.289° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
February 27, 2021 brought a magnitude 3.5 earthquake 206 km ESE of Nikolski, Alaska, logged at 19:30 UTC. See the M3.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-27 2021-02-27 19:16:58 UTC | 2.6mb_lg | 13 km WNW of Crawford, Nebraska 42.709°, -103.568° | 5.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.6 event was detected 13 km WNW of Crawford, Nebraska on February 27, 2021, with origin time 19:16 UTC. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-27 2021-02-27 18:59:25 UTC | 5.3mww | 5 km SSE of Point MacKenzie, Alaska 61.319°, -149.933° | 46.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 5.3 earthquake was recorded 5 km SSE of Point MacKenzie, Alaska on February 27, 2021 at 18:59 UTC. In the 72 hours after this event, the USGS recorded 5 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M5.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-27 2021-02-27 18:59:25 UTC | 5.3mww | 5 km SSE of Point MacKenzie, Alaska 61.319°, -149.933° | 46.0 km | 2,970 | V | green | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 5.3 earthquake 5 km SSE of Point MacKenzie, Alaska with origin time 18:59 UTC on February 27, 2021. A tsunami evaluation was automatically initiated given the magnitude and location. In the 72 hours after this event, the USGS recorded 5 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M5.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-27 2021-02-27 18:31:21 UTC | 2.3ml | 7km WSW of Niland, CA 33.205°, -115.585° | 1.9 km | - | - | - | ✓ Reviewed | USGS → |
On February 27, 2021 at 18:31 UTC, a magnitude 2.3 earthquake struck 7km WSW of Niland, CA. 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 M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-27 2021-02-27 18:13:05 UTC | 2.1md | 3 km SW of P?hala, Hawaii 19.185°, -155.501° | 35.8 km | - | - | - | Auto | USGS → |
A magnitude 2.1 seismic event took place 3 km SW of P?hala, Hawaii on February 27, 2021 at 18:13 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.1 earthquake that occurred about 2 hours earlier. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-27 2021-02-27 18:04:32 UTC | 2.9ml | 7 km E of Atka, Alaska 52.187°, -174.099° | 183.5 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.9 earthquake 7 km E of Atka, Alaska came in on February 27, 2021 at 18:04 UTC. The event was offshore. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-27 2021-02-27 17:46:44 UTC | 2.2ml | 11 km SE of Ratliff City, Oklahoma 34.389°, -97.408° | 4.2 km | - | - | - | ✓ Reviewed | USGS → |
At 17:46 UTC on February 27, 2021, a magnitude 2.2 tremor occurred 11 km SE of Ratliff City, Oklahoma. It arrived roughly 7 hours after a larger magnitude 2.3 mainshock in the same 20 km area, placing it within the typical aftershock window. 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. | ||||||||
2021-02-27 2021-02-27 17:46:05 UTC | 2.8ml | 18km SSE of Shaver Lake, CA 36.941°, -119.274° | 33.5 km | 32 | - | - | ✓ Reviewed | USGS → |
A magnitude 2.8 earthquake was recorded 18km SSE of Shaver Lake, CA on February 27, 2021 at 17:46 UTC. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-27 2021-02-27 17:43:47 UTC | 3.2ml | 79 km SSW of Unalaska, Alaska 53.246°, -167.090° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 3.2 earthquake 79 km SSW of Unalaska, Alaska with origin time 17:43 UTC on February 27, 2021. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-27 2021-02-27 17:33:44 UTC | 2.5ml | 81 km ESE of Yakutat, Alaska 59.356°, -138.332° | 0.2 km | - | - | - | ✓ Reviewed | USGS → |
February 27, 2021 brought a magnitude 2.5 earthquake 81 km ESE of Yakutat, Alaska, logged at 17:33 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. | ||||||||
2021-02-27 2021-02-27 17:16:52 UTC | 4.3mb | 228 km SSW of Bengkulu, Indonesia -5.771°, 101.639° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.3 earthquake was recorded 228 km SSW of Bengkulu, Indonesia on February 27, 2021 at 17:16 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-27 2021-02-27 16:54:17 UTC | 2.3ml | 7 km NNW of Knik, Alaska 61.524°, -149.779° | 39.4 km | - | - | - | ✓ Reviewed | USGS → |
On February 27, 2021, worldwide seismic activity registered a magnitude 2.3 earthquake 7 km NNW of Knik, Alaska at 16:54 UTC. See the M2.3 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 27, 2021. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.