Earthquakes on February 23, 2024
272
EARTHQUAKES on February 23, 2024
24-hour UTC period · USGS data
LARGEST: M6.3 — southern East Pacific Rise
10 km deep
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
5
M4.0–4.9
39
M3.0–3.9
12
M2.0–2.9
52
M1.0–1.9
164
Activity Summary
272
Total earthquakes
~250
Daily average
Normal
Activity level
5
M5.0+ events
Significant Earthquakes (M4.5+)
6.3
southern East Pacific Rise
01:51 UTC · 10.0 km deep
5.3
216 km SE of Kushimoto, Japan
23:10 UTC · 404.1 km deep
Felt by 1
5.3
158 km SSE of Teluk Dalam, Indonesia
07:46 UTC · 20.0 km deep
5.3
67 km NW of Fangale’ounga, Tonga
07:32 UTC · 114.7 km deep
5.0
131 km W of Aykol, China
22:58 UTC · 10.0 km deep
Felt by 11
4.9
Kuril Islands
00:10 UTC · 35.0 km deep
4.8
70 km NW of San Alejandro, Peru
14:07 UTC · 10.0 km deep
4.7
89 km SSE of Pangai, Tonga
15:39 UTC · 10.0 km deep
Earthquake Map — February 23, 2024

All Earthquakes — February 23, 2024
Showing 30 of 108 (filtered from 272)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2024-02-23 2024-02-23 23:55:22 UTC | 2.2ml | 57 km NE of Chignik, Alaska 56.659°, -157.752° | 72.7 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.2 earthquake 57 km NE of Chignik, Alaska came in on February 23, 2024 at 23:55 UTC. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-02-23 2024-02-23 23:51:16 UTC | 4.6mb | 140 km E of Bitung, Indonesia 1.561°, 126.382° | 43.1 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.6 seismic event took place 140 km E of Bitung, Indonesia on February 23, 2024 at 23:51 UTC. The event was offshore. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-02-23 2024-02-23 23:48:56 UTC | 2.3ml | 47 km WNW of Karluk, Alaska 57.665°, -155.226° | 62.9 km | - | - | - | ✓ Reviewed | USGS → |
At 23:48 UTC on February 23, 2024, a magnitude 2.3 tremor occurred 47 km WNW of Karluk, Alaska. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-02-23 2024-02-23 23:33:53 UTC | 2.9ml | 50 km SSW of Atka, Alaska 51.767°, -174.444° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.9 earthquake 50 km SSW of Atka, Alaska came in on February 23, 2024 at 23:33 UTC. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-02-23 2024-02-23 23:19:54 UTC | 4.6mb | 185 km SSE of ‘Ohonua, Tonga -22.786°, -174.056° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
February 23, 2024 brought a magnitude 4.6 earthquake 185 km SSE of ‘Ohonua, Tonga, logged at 23:19 UTC. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-02-23 2024-02-23 23:10:43 UTC | 5.3mww | 216 km SE of Kushimoto, Japan 32.166°, 137.498° | 404.1 km | 1 | - | - | ✓ Reviewed | USGS → |
A magnitude 5.3 earthquake was recorded 216 km SE of Kushimoto, Japan on February 23, 2024 at 23:10 UTC. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M5.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-02-23 2024-02-23 22:58:56 UTC | 5.0mww | 131 km W of Aykol, China 41.064°, 78.585° | 10.0 km | 11 | - | - | ✓ Reviewed | USGS → |
At 22:58 UTC on February 23, 2024, a magnitude 5.0 tremor occurred 131 km W of Aykol, China. The event was offshore. See the M5.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-02-23 2024-02-23 22:36:08 UTC | 4.4mb | 104 km NW of Chauk, Myanmar 21.546°, 94.088° | 66.5 km | - | - | - | ✓ Reviewed | USGS → |
On February 23, 2024 at 22:36 UTC, a magnitude 4.4 earthquake struck 104 km NW of Chauk, Myanmar. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-02-23 2024-02-23 22:06:46 UTC | 4.2mb | 61 km NW of Kandrian, Papua New Guinea -5.858°, 149.117° | 96.9 km | - | - | - | ✓ Reviewed | USGS → |
At 22:06 UTC on February 23, 2024, a magnitude 4.2 tremor occurred 61 km NW of Kandrian, Papua New Guinea. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-02-23 2024-02-23 22:05:44 UTC | 2.4ml | 14 km W of Healy, Alaska 63.832°, -149.261° | 119.5 km | 1 | - | - | ✓ Reviewed | USGS → |
A magnitude 2.4 earthquake was recorded 14 km W of Healy, Alaska on February 23, 2024 at 22:05 UTC. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-02-23 2024-02-23 21:31:33 UTC | 2.1ml | 32 km NNW of Challis, Idaho 44.763°, -114.421° | 3.7 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.1 earthquake was recorded 32 km NNW of Challis, Idaho on February 23, 2024 at 21:31 UTC. 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. | ||||||||
2024-02-23 2024-02-23 21:29:10 UTC | 4.1mb | 201 km ENE of Levuka, Fiji -17.575°, -178.852° | 561.6 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.1 seismic event took place 201 km ENE of Levuka, Fiji on February 23, 2024 at 21:29 UTC. This is the deepest earthquake in the current dataset — a deep-focus event. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-02-23 2024-02-23 21:16:21 UTC | 2.2ml | 28 km W of Old Harbor, Alaska 57.182°, -153.774° | 48.7 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.2 seismic event took place 28 km W of Old Harbor, Alaska on February 23, 2024 at 21:16 UTC. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-02-23 2024-02-23 21:06:29 UTC | 2.6ml | 55 km WNW of Adak, Alaska 52.023°, -177.404° | 90.2 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.6 event was detected 55 km WNW of Adak, Alaska on February 23, 2024, with origin time 21:06 UTC. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-02-23 2024-02-23 20:07:00 UTC | 3.1ml | 13 km SW of Colstrip, Montana 45.806°, -106.755° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
On February 23, 2024, worldwide seismic activity registered a magnitude 3.1 earthquake 13 km SW of Colstrip, Montana at 20:07 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-02-23 2024-02-23 19:47:14 UTC | 4.5mb | 132 km E of Bitung, Indonesia 1.489°, 126.314° | 41.0 km | - | - | - | ✓ Reviewed | USGS → |
On February 23, 2024, worldwide seismic activity registered a magnitude 4.5 earthquake 132 km E of Bitung, Indonesia at 19:47 UTC. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-02-23 2024-02-23 19:04:34 UTC | 2.3md | 10 km E of Pāhala, Hawaii 19.211°, -155.374° | 33.0 km | - | - | - | Auto | USGS → |
A magnitude 2.3 earthquake was recorded 10 km E of Pāhala, Hawaii on February 23, 2024 at 19:04 UTC. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-02-23 2024-02-23 18:43:56 UTC | 4.4mwr | 52 km NE of Chase, Alaska 62.810°, -149.431° | 66.3 km | 171 | III | green | ✓ Reviewed | USGS → |
A magnitude 4.4 earthquake was recorded 52 km NE of Chase, Alaska on February 23, 2024 at 18:43 UTC. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-02-23 2024-02-23 18:08:37 UTC | 2.5ml | 78 km SE of King Cove, Alaska 54.644°, -161.334° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.5 seismic event took place 78 km SE of King Cove, Alaska on February 23, 2024 at 18:08 UTC. Coming 3 hours after a magnitude 3.4 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-02-23 2024-02-23 17:13:27 UTC | 4.3mb | 98 km NNW of San Antonio de los Cobres, Argentina -23.409°, -66.713° | 206.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.3 earthquake was recorded 98 km NNW of San Antonio de los Cobres, Argentina on February 23, 2024 at 17:13 UTC. This event falls inside the aftershock decay of a nearby magnitude 4.4 earthquake that occurred about 1 hours earlier. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-02-23 2024-02-23 17:12:00 UTC | 4.4mb | 85 km NNW of San Antonio de los Cobres, Argentina -23.501°, -66.627° | 203.8 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.4 earthquake 85 km NNW of San Antonio de los Cobres, Argentina with origin time 17:12 UTC on February 23, 2024. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-02-23 2024-02-23 16:55:35 UTC | 2.3ml | 37 km W of Akhiok, Alaska 56.963°, -154.788° | 2.1 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.3 earthquake 37 km W of Akhiok, Alaska at 16:55 UTC on February 23, 2024. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-02-23 2024-02-23 16:55:11 UTC | 2.2ml | 35 km SSW of Trapper Creek, Alaska 62.029°, -150.510° | 53.2 km | - | - | - | ✓ Reviewed | USGS → |
February 23, 2024 brought a magnitude 2.2 earthquake 35 km SSW of Trapper Creek, Alaska, logged at 16:55 UTC. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-02-23 2024-02-23 16:45:26 UTC | 2.0ml | 78 km SSE of Adak, Alaska 51.187°, -176.400° | 25.2 km | - | - | - | ✓ Reviewed | USGS → |
At 16:45 UTC on February 23, 2024, a magnitude 2.0 tremor occurred 78 km SSE of Adak, Alaska. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-02-23 2024-02-23 16:11:06 UTC | 3.0md | 27 km WNW of San Antonio, Puerto Rico 18.631°, -67.319° | 15.2 km | - | - | - | ✓ Reviewed | USGS → |
At 16:11 UTC on February 23, 2024, a magnitude 3.0 tremor occurred 27 km WNW of San Antonio, Puerto Rico. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-02-23 2024-02-23 15:51:43 UTC | 2.4ml | 54 km NE of Chenega, Alaska 60.442°, -147.377° | 13.7 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.4 earthquake 54 km NE of Chenega, Alaska with origin time 15:51 UTC on February 23, 2024. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-02-23 2024-02-23 15:48:29 UTC | 2.1ml | 45 km NW of Toyah, Texas 31.571°, -104.172° | 7.5 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.1 event was detected 45 km NW of Toyah, Texas on February 23, 2024, with origin time 15:48 UTC. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-02-23 2024-02-23 15:45:36 UTC | 4.4mb | 74 km WNW of Atka, Alaska 52.540°, -175.132° | 150.2 km | - | II | - | ✓ Reviewed | USGS → |
On February 23, 2024, worldwide seismic activity registered a magnitude 4.4 earthquake 74 km WNW of Atka, Alaska at 15:45 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-02-23 2024-02-23 15:39:02 UTC | 4.7mb | 89 km SSE of Pangai, Tonga -20.585°, -174.091° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.7 earthquake 89 km SSE of Pangai, Tonga came in on February 23, 2024 at 15:39 UTC. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-02-23 2024-02-23 15:19:32 UTC | 3.5ml | 2 km ESE of Falls City, Texas 28.977°, -97.990° | 7.7 km | 15 | III | - | ✓ Reviewed | USGS → |
This magnitude 3.5 event was detected 2 km ESE of Falls City, Texas on February 23, 2024, with origin time 15:19 UTC. See the M3.5 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 23, 2024. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.