Earthquakes on February 26, 2021
339
EARTHQUAKES on February 26, 2021
24-hour UTC period · USGS data
LARGEST: M5.8 — southeast Indian Ridge
10 km deep
Elevated activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
5
M4.0–4.9
44
M3.0–3.9
8
M2.0–2.9
56
M1.0–1.9
226
Activity Summary
339
Total earthquakes
~250
Daily average
Elevated
Activity level
5
M5.0+ events
Geographic Breakdown
By US State
Significant Earthquakes (M4.5+)
5.8
southeast Indian Ridge
11:58 UTC · 10.0 km deep
5.4
117 km SSW of Colonia, Micronesia
07:46 UTC · 10.0 km deep
5.1
112 km SSW of Colonia, Micronesia
07:34 UTC · 10.0 km deep
Felt by 3
5.0
95 km WNW of Port-Vila, Vanuatu
11:21 UTC · 10.0 km deep
Felt by 2
5.0
150 km S of Sofifi, Indonesia
11:02 UTC · 10.0 km deep
4.9
105 km S of Colonia, Micronesia
08:38 UTC · 10.0 km deep
4.8
5 km SSW of Mosfellsbær, Iceland
22:38 UTC · 10.0 km deep
Felt by 6
4.8
central Mid-Atlantic Ridge
02:43 UTC · 10.0 km deep
Earthquake Map — February 26, 2021
All Earthquakes — February 26, 2021
Showing 30 of 113 (filtered from 339)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2021-02-26 2021-02-26 23:20:13 UTC | 4.2mwr | 106 km E of Iquique, Chile -20.350°, -69.138° | 108.2 km | 4 | - | - | ✓ Reviewed | USGS → |
At 23:20 UTC on February 26, 2021, a magnitude 4.2 tremor occurred 106 km E of Iquique, Chile. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-26 2021-02-26 23:13:34 UTC | 2.2md | 13km WNW of Calistoga, CA 38.636°, -122.705° | 6.5 km | 1 | - | - | ✓ Reviewed | USGS → |
On February 26, 2021, worldwide seismic activity registered a magnitude 2.2 earthquake 13km WNW of Calistoga, CA at 23:13 UTC. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-26 2021-02-26 22:38:46 UTC | 4.8mb | 5 km SSW of Mosfellsbær, Iceland 64.119°, -21.753° | 10.0 km | 6 | - | - | ✓ Reviewed | USGS → |
This magnitude 4.8 event was detected 5 km SSW of Mosfellsbær, Iceland on February 26, 2021, with origin time 22:38 UTC. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-26 2021-02-26 22:04:23 UTC | 2.0md | 8km NNW of Chester, CA 40.379°, -121.264° | 4.5 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.0 earthquake 8km NNW of Chester, CA at 22:04 UTC on February 26, 2021. 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. | ||||||||
2021-02-26 2021-02-26 21:35:19 UTC | 4.1mb | 30 km SSW of Ashk?sham, Afghanistan 36.417°, 71.460° | 117.9 km | - | - | - | ✓ Reviewed | USGS → |
On February 26, 2021, worldwide seismic activity registered a magnitude 4.1 earthquake 30 km SSW of Ashk?sham, Afghanistan at 21:35 UTC. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-26 2021-02-26 21:30:24 UTC | 2.6ml | 101 km SSE of Sand Point, Alaska 54.529°, -159.759° | 16.7 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.6 earthquake was recorded 101 km SSE of Sand Point, Alaska on February 26, 2021 at 21:30 UTC. Coming 12 hours after a magnitude 2.7 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. | ||||||||
2021-02-26 2021-02-26 21:28:58 UTC | 3.7ml | 255 km W of Adak, Alaska 51.605°, 179.689° | 82.5 km | - | - | - | ✓ Reviewed | USGS → |
February 26, 2021 brought a magnitude 3.7 earthquake 255 km W of Adak, Alaska, logged at 21:28 UTC. The event was offshore. See the M3.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-26 2021-02-26 21:19:49 UTC | 2.8md | 4 km SSW of Guánica, Puerto Rico 17.931°, -66.920° | 13.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.8 earthquake was recorded 4 km SSW of Guánica, Puerto Rico on February 26, 2021 at 21:19 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.0 earthquake that occurred about 17 hours earlier. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-26 2021-02-26 21:12:06 UTC | 2.1ml | 12 km SE of Ratliff City, Oklahoma 34.362°, -97.423° | 6.4 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.1 seismic event took place 12 km SE of Ratliff City, Oklahoma on February 26, 2021 at 21:12 UTC. Coming 6 hours after a magnitude 2.8 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. | ||||||||
2021-02-26 2021-02-26 20:51:50 UTC | 3.0ml | 3km E of Simi Valley, CA 34.270°, -118.705° | 10.9 km | 1,486 | III | - | ✓ Reviewed | USGS → |
At 20:51 UTC on February 26, 2021, a magnitude 3.0 tremor occurred 3km E of Simi Valley, CA. The event was offshore. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-26 2021-02-26 20:05:22 UTC | 4.0mb | 125 km S of Kandrian, Papua New Guinea -7.328°, 149.720° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.0 event was detected 125 km S of Kandrian, Papua New Guinea on February 26, 2021, with origin time 20:05 UTC. The event was offshore. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-26 2021-02-26 19:44:10 UTC | 4.5mb | 174 km S of Tomohon, Indonesia -0.254°, 124.629° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 19:44 UTC on February 26, 2021, a magnitude 4.5 tremor occurred 174 km S of Tomohon, Indonesia. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-26 2021-02-26 19:27:15 UTC | 3.7ml | 29 km SSE of Mina, Nevada 38.148°, -117.969° | 10.5 km | 3 | III | - | ✓ Reviewed | USGS → |
On February 26, 2021 at 19:27 UTC, a magnitude 3.7 earthquake struck 29 km SSE of Mina, Nevada. 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 M3.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-26 2021-02-26 19:17:53 UTC | 2.1md | 1 km NNE of Tallaboa, Puerto Rico 18.010°, -66.707° | 11.0 km | - | - | - | ✓ Reviewed | USGS → |
At 19:17 UTC on February 26, 2021, a magnitude 2.1 tremor occurred 1 km NNE of Tallaboa, Puerto Rico. Coming 15 hours after a magnitude 3.0 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-26 2021-02-26 18:25:19 UTC | 2.4ml | 52 km SSW of Whites City, New Mexico 31.737°, -104.588° | 5.8 km | - | - | - | ✓ Reviewed | USGS → |
On February 26, 2021 at 18:25 UTC, a magnitude 2.4 earthquake struck 52 km SSW of Whites City, New Mexico. Coming 7 hours after a magnitude 3.2 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-26 2021-02-26 18:25:07 UTC | 2.5ml | 21 km ENE of Fox River, Alaska 59.962°, -150.629° | 1.5 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.5 earthquake 21 km ENE of Fox River, Alaska at 18:25 UTC on February 26, 2021. 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. | ||||||||
2021-02-26 2021-02-26 18:05:43 UTC | 2.4ml | 15km SSW of Olancha, CA 36.156°, -118.075° | 2.7 km | - | - | - | ✓ Reviewed | USGS → |
At 18:05 UTC on February 26, 2021, a magnitude 2.4 tremor occurred 15km SSW of Olancha, CA. 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. | ||||||||
2021-02-26 2021-02-26 18:00:34 UTC | 2.0ml | 74 km WSW of Adak, Alaska 51.592°, -177.615° | 66.4 km | - | - | - | ✓ Reviewed | USGS → |
On February 26, 2021 at 18:00 UTC, a magnitude 2.0 earthquake struck 74 km WSW of Adak, Alaska. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-26 2021-02-26 17:56:21 UTC | 3.0ml | 12 km NNE of Chisholm, Minnesota 47.594°, -92.843° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 3.0 earthquake 12 km NNE of Chisholm, Minnesota at 17:56 UTC on February 26, 2021. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-26 2021-02-26 17:42:48 UTC | 4.4mb | southeast of the Loyalty Islands -23.109°, 171.681° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.4 earthquake was recorded southeast of the Loyalty Islands on February 26, 2021 at 17:42 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-26 2021-02-26 17:22:17 UTC | 2.7ml | 8 km NNE of Bradley, Oklahoma 34.951°, -97.669° | 11.2 km | 1 | - | - | ✓ Reviewed | USGS → |
On February 26, 2021 at 17:22 UTC, a magnitude 2.7 earthquake struck 8 km NNE of Bradley, Oklahoma. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-26 2021-02-26 17:19:34 UTC | 4.2mb | 22 km NW of Ternate, Indonesia 0.916°, 127.225° | 171.7 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.2 earthquake 22 km NW of Ternate, Indonesia at 17:19 UTC on February 26, 2021. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-26 2021-02-26 17:03:48 UTC | 4.6mwr | 89 km ENE of Namie, Japan 37.716°, 141.971° | 52.5 km | 1 | - | - | ✓ Reviewed | USGS → |
February 26, 2021 brought a magnitude 4.6 earthquake 89 km ENE of Namie, Japan, logged at 17:03 UTC. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-26 2021-02-26 16:49:58 UTC | 2.3md | 2 km W of Indios, Puerto Rico 17.995°, -66.840° | 15.0 km | - | - | - | ✓ Reviewed | USGS → |
On February 26, 2021 at 16:49 UTC, a magnitude 2.3 earthquake struck 2 km W of Indios, Puerto Rico. It arrived roughly 12 hours after a larger magnitude 3.0 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. | ||||||||
2021-02-26 2021-02-26 16:48:32 UTC | 4.2mb | 8 km SW of Hafnarfjörður, Iceland 64.007°, -22.057° | 10.0 km | 2 | - | - | ✓ Reviewed | USGS → |
This magnitude 4.2 event was detected 8 km SW of Hafnarfjörður, Iceland on February 26, 2021, with origin time 16:48 UTC. It arrived roughly 5 hours after a larger magnitude 4.5 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-26 2021-02-26 16:25:00 UTC | 4.1mb | 76 km SSE of Ierápetra, Greece 34.337°, 25.916° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 16:25 UTC on February 26, 2021, a magnitude 4.1 tremor occurred 76 km SSE of Ierápetra, Greece. Coming 1 hours after a magnitude 4.3 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-26 2021-02-26 16:21:33 UTC | 2.0md | 7 km ENE of P?hala, Hawaii 19.236°, -155.412° | 32.4 km | - | - | - | Auto | USGS → |
Reports of a magnitude 2.0 earthquake 7 km ENE of P?hala, Hawaii came in on February 26, 2021 at 16:21 UTC. Coming 14 hours after a magnitude 2.3 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. | ||||||||
2021-02-26 2021-02-26 16:10:13 UTC | 2.5ml | 13 km ENE of Gardendale, Texas 32.066°, -102.246° | 8.4 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.5 event was detected 13 km ENE of Gardendale, Texas on February 26, 2021, with origin time 16:10 UTC. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-26 2021-02-26 15:46:44 UTC | 4.3mb | 73 km SSE of Ierápetra, Greece 34.364°, 25.913° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.3 earthquake 73 km SSE of Ierápetra, Greece came in on February 26, 2021 at 15:46 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-02-26 2021-02-26 15:33:28 UTC | 4.6mb | 30 km ESE of Namie, Japan 37.333°, 141.291° | 66.8 km | - | - | - | ✓ Reviewed | USGS → |
On February 26, 2021 at 15:33 UTC, a magnitude 4.6 earthquake struck 30 km ESE of Namie, Japan. See the M4.6 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 26, 2021. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.