Earthquakes on February 24, 2023
271
EARTHQUAKES on February 24, 2023
24-hour UTC period · USGS data
10 km deep
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
1
M4.0–4.9
39
M3.0–3.9
12
M2.0–2.9
51
M1.0–1.9
168
Activity Summary
271
Total earthquakes
~250
Daily average
Normal
Activity level
1
M5.0+ events
Geographic Breakdown
By US State
Significant Earthquakes (M4.5+)
5.0
152 km SE of San Jose Village, Northern Mariana Islands
15:24 UTC · 10.0 km deep
4.9
South Sandwich Islands region
23:15 UTC · 10.0 km deep
4.9
192 km NE of Bitung, Indonesia
17:28 UTC · 35.3 km deep
4.8
south of the Kermadec Islands
14:57 UTC · 10.0 km deep
4.8
94 km SSE of King Cove, Alaska
11:50 UTC · 44.1 km deep
Felt by 1
4.8
163 km WNW of Panguna, Papua New Guinea
05:25 UTC · 141.5 km deep
4.7
51 km SE of Port Graham, Alaska
22:00 UTC · 41.7 km deep
Felt by 49
4.7
143 km SSW of Merizo Village, Guam
17:46 UTC · 10.0 km deep
Earthquake Map — February 24, 2023
All Earthquakes — February 24, 2023
Showing 30 of 103 (filtered from 271)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2023-02-24 2023-02-24 23:59:40 UTC | 3.4ml | 1 km ENE of Brynmawr, United Kingdom 51.805°, -3.159° | 10.2 km | 151 | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 3.4 earthquake 1 km ENE of Brynmawr, United Kingdom with origin time 23:59 UTC on February 24, 2023. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-02-24 2023-02-24 23:35:49 UTC | 2.4ml | 41 km WSW of Nanwalek, Alaska 59.161°, -152.536° | 59.3 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.4 earthquake 41 km WSW of Nanwalek, Alaska with origin time 23:35 UTC on February 24, 2023. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-02-24 2023-02-24 23:31:03 UTC | 4.2mb | 58 km NW of Taltal, Chile -25.048°, -70.908° | 24.1 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.2 earthquake 58 km NW of Taltal, Chile came in on February 24, 2023 at 23:31 UTC. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-02-24 2023-02-24 23:17:59 UTC | 4.2mb | South Sandwich Islands region -55.344°, -27.948° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.2 seismic event took place in the South Sandwich Islands region on February 24, 2023 at 23:17 UTC. This event falls inside the aftershock decay of a nearby magnitude 4.9 earthquake that occurred about 1 hours earlier. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-02-24 2023-02-24 23:15:11 UTC | 4.9mb | South Sandwich Islands region -55.278°, -27.961° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.9 earthquake was recorded in the South Sandwich Islands region on February 24, 2023 at 23:15 UTC. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-02-24 2023-02-24 22:39:47 UTC | 2.1ml | 50 km SE of Port Graham, Alaska 59.051°, -151.179° | 37.7 km | - | - | - | ✓ Reviewed | USGS → |
At 22:39 UTC on February 24, 2023, a magnitude 2.1 tremor occurred 50 km SE of Port Graham, Alaska. It arrived roughly 1 hours after a larger magnitude 4.7 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. | ||||||||
2023-02-24 2023-02-24 22:16:46 UTC | 4.6mb | Guam region 12.098°, 143.864° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
February 24, 2023 brought a magnitude 4.6 earthquake in the Guam region, logged at 22:16 UTC. It arrived roughly 5 hours after a larger magnitude 4.7 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-02-24 2023-02-24 22:06:26 UTC | 2.2ml | 53 km SE of Port Graham, Alaska 59.031°, -151.144° | 40.8 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.2 event was detected 53 km SE of Port Graham, Alaska on February 24, 2023, with origin time 22:06 UTC. This event falls inside the aftershock decay of a nearby magnitude 4.7 earthquake that occurred about 1 hours earlier. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-02-24 2023-02-24 22:00:44 UTC | 4.7mwr | 51 km SE of Port Graham, Alaska 59.028°, -151.193° | 41.7 km | 49 | III | green | ✓ Reviewed | USGS → |
This magnitude 4.7 event was detected 51 km SE of Port Graham, Alaska on February 24, 2023, with origin time 22:00 UTC. A tsunami evaluation was automatically initiated given the magnitude and location. In the 72 hours after this event, the USGS recorded 7 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-02-24 2023-02-24 21:53:17 UTC | 3.6ml | 224 km SE of Chignik, Alaska 55.073°, -155.564° | 9.6 km | - | I | - | ✓ Reviewed | USGS → |
A magnitude 3.6 earthquake was recorded 224 km SE of Chignik, Alaska on February 24, 2023 at 21:53 UTC. The event was offshore. See the M3.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-02-24 2023-02-24 21:49:00 UTC | 2.2ml | 46 km W of Anchor Point, Alaska 59.705°, -152.652° | 77.8 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.2 earthquake 46 km W of Anchor Point, Alaska came in on February 24, 2023 at 21:49 UTC. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-02-24 2023-02-24 21:15:46 UTC | 2.7ml | 258 km WSW of Adak, Alaska 51.220°, 179.788° | 28.9 km | - | - | - | ✓ Reviewed | USGS → |
February 24, 2023 brought a magnitude 2.7 earthquake 258 km WSW of Adak, Alaska, logged at 21:15 UTC. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-02-24 2023-02-24 21:05:16 UTC | 2.0ml | 12 km NE of Susitna North, Alaska 62.243°, -149.675° | 51.1 km | - | - | - | ✓ Reviewed | USGS → |
On February 24, 2023, worldwide seismic activity registered a magnitude 2.0 earthquake 12 km NE of Susitna North, Alaska at 21:05 UTC. It arrived roughly 7 hours after a larger magnitude 2.1 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. | ||||||||
2023-02-24 2023-02-24 21:02:46 UTC | 2.5ml | 104 km W of Big Lagoon, California 41.235°, -125.374° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.5 earthquake 104 km W of Big Lagoon, California came in on February 24, 2023 at 21:02 UTC. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-02-24 2023-02-24 20:32:37 UTC | 4.3mb | 71 km W of Murghob, Tajikistan 38.284°, 73.165° | 12.0 km | - | - | - | ✓ Reviewed | USGS → |
On February 24, 2023 at 20:32 UTC, a magnitude 4.3 earthquake struck 71 km W of Murghob, Tajikistan. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-02-24 2023-02-24 20:25:30 UTC | 4.5mwr | eastern Turkey 38.093°, 38.716° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.5 earthquake near eastern Turkey with origin time 20:25 UTC on February 24, 2023. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-02-24 2023-02-24 20:10:43 UTC | 4.2mb | 57 km WSW of Latakia, Syria 35.275°, 35.239° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
February 24, 2023 brought a magnitude 4.2 earthquake 57 km WSW of Latakia, Syria, logged at 20:10 UTC. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-02-24 2023-02-24 20:00:20 UTC | 4.3mb | 85 km ENE of Barcelona, Philippines 8.555°, 127.104° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.3 earthquake was recorded 85 km ENE of Barcelona, Philippines on February 24, 2023 at 20:00 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-02-24 2023-02-24 19:46:12 UTC | 3.1ml | 30 km N of Akhiok, Alaska 57.214°, -154.103° | 24.4 km | - | - | - | ✓ Reviewed | USGS → |
On February 24, 2023 at 19:46 UTC, a magnitude 3.1 earthquake struck 30 km N of Akhiok, Alaska. The event was offshore. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-02-24 2023-02-24 19:12:08 UTC | 2.6ml | 85 km NNW of Karluk, Alaska 58.232°, -155.172° | 3.2 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.6 earthquake 85 km NNW of Karluk, Alaska with origin time 19:12 UTC on February 24, 2023. Coming 2 hours after a magnitude 4.3 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 M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-02-24 2023-02-24 19:11:22 UTC | 2.1ml | 58 km SSW of Nelson Lagoon, Alaska 55.487°, -161.421° | 168.7 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.1 earthquake 58 km SSW of Nelson Lagoon, Alaska at 19:11 UTC on February 24, 2023. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-02-24 2023-02-24 18:42:38 UTC | 2.1ml | Fox Islands, Aleutian Islands, Alaska 53.870°, -165.646° | 69.2 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.1 event was detected near Fox Islands, Aleutian Islands, Alaska on February 24, 2023, with origin time 18:42 UTC. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-02-24 2023-02-24 18:36:41 UTC | 2.3ml | 9 km ENE of P?hala, Hawaii 19.241°, -155.400° | 32.3 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.3 earthquake 9 km ENE of P?hala, Hawaii at 18:36 UTC on February 24, 2023. It arrived roughly 6 hours after a larger magnitude 3.3 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. | ||||||||
2023-02-24 2023-02-24 18:06:14 UTC | 2.4ml | 14km SSW of Searles Valley, CA 35.645°, -117.451° | 7.1 km | - | - | - | ✓ Reviewed | USGS → |
On February 24, 2023 at 18:06 UTC, a magnitude 2.4 earthquake struck 14km SSW of Searles Valley, CA. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-02-24 2023-02-24 18:02:55 UTC | 2.1md | 8 km ENE of P?hala, Hawaii 19.235°, -155.400° | 31.8 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.1 earthquake 8 km ENE of P?hala, Hawaii with origin time 18:02 UTC on February 24, 2023. Coming 5 hours after a magnitude 3.3 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. | ||||||||
2023-02-24 2023-02-24 17:46:03 UTC | 4.7mb | 143 km SSW of Merizo Village, Guam 12.163°, 143.972° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.7 earthquake 143 km SSW of Merizo Village, Guam came in on February 24, 2023 at 17:46 UTC. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-02-24 2023-02-24 17:28:36 UTC | 4.9mww | 192 km NE of Bitung, Indonesia 2.865°, 126.130° | 35.3 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.9 earthquake 192 km NE of Bitung, Indonesia with origin time 17:28 UTC on February 24, 2023. The event was offshore. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-02-24 2023-02-24 17:28:06 UTC | 4.4mb | 298 km WNW of Houma, Tonga -20.269°, -177.998° | 526.9 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.4 seismic event took place 298 km WNW of Houma, Tonga on February 24, 2023 at 17:28 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. | ||||||||
2023-02-24 2023-02-24 17:25:56 UTC | 4.7mb | Fiji region -18.190°, -177.760° | 577.6 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.7 seismic event took place in the Fiji region on February 24, 2023 at 17:25 UTC. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-02-24 2023-02-24 17:20:00 UTC | 4.6mwr | 7 km NNE of Gürün, Turkey 38.786°, 37.303° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On February 24, 2023 at 17:20 UTC, a magnitude 4.6 earthquake struck 7 km NNE of Gürün, Turkey. 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 24, 2023. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.