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Earthquakes on February 23, 2024

272
EARTHQUAKES on February 23, 2024
24-hour UTC period · USGS data
10 km deep
Normal activity
compared 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

Geographic Breakdown

Earthquake Map — February 23, 2024

Map showing earthquake epicenter at 20.00°, 0.00°

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 MMIAlertStatusDetails
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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 km1--✓ ReviewedUSGS →
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 km11--✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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 km1--✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---AutoUSGS →
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 km171IIIgreen✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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-✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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 km15III-✓ ReviewedUSGS →
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.