Earthquakes on April 15, 2024
262
EARTHQUAKES on April 15, 2024
24-hour UTC period · USGS data
LARGEST: M5.9 — 147 km SE of Koshima, Japan
8 km deep · 2 people felt it
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
2
M4.0–4.9
31
M3.0–3.9
14
M2.0–2.9
40
M1.0–1.9
175
Activity Summary
262
Total earthquakes
~250
Daily average
Normal
Activity level
2
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
5.9
147 km SE of Koshima, Japan
22:38 UTC · 7.6 km deep
Felt by 2
5.4
106 km SSW of Kokopo, Papua New Guinea
10:43 UTC · 72.0 km deep
4.7
100 km SSE of Ierápetra, Greece
06:06 UTC · 31.6 km deep
4.6
43 km SW of Attu Station, Alaska
18:17 UTC · 26.8 km deep
Felt by 2
4.6
Mid-Indian Ridge
16:51 UTC · 10.0 km deep
4.6
Mid-Indian Ridge
16:40 UTC · 10.0 km deep
4.6
120 km ESE of Pangai, Tonga
15:28 UTC · 10.0 km deep
4.6
South Sandwich Islands region
07:00 UTC · 35.0 km deep
Earthquake Map — April 15, 2024

All Earthquakes — April 15, 2024
Showing 30 of 87 (filtered from 262)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2024-04-15 2024-04-15 23:45:34 UTC | 2.0ml | 84 km W of Adak, Alaska 51.879°, -177.868° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On April 15, 2024 at 23:45 UTC, a magnitude 2.0 earthquake struck 84 km W of Adak, Alaska. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-15 2024-04-15 23:28:39 UTC | 2.9ml | 163 km S of False Pass, Alaska 53.386°, -163.550° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.9 seismic event took place 163 km S of False Pass, Alaska on April 15, 2024 at 23:28 UTC. It arrived roughly 1 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 M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-15 2024-04-15 23:15:45 UTC | 2.8ml | Rat Islands, Aleutian Islands, Alaska 51.410°, 178.776° | 43.6 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.8 earthquake was recorded near Rat Islands, Aleutian Islands, Alaska on April 15, 2024 at 23:15 UTC. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-15 2024-04-15 23:11:20 UTC | 3.0ml | 161 km S of False Pass, Alaska 53.401°, -163.526° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 3.0 earthquake 161 km S of False Pass, Alaska at 23:11 UTC on April 15, 2024. The event was offshore. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-15 2024-04-15 23:11:02 UTC | 2.3md | 8 km N of Avenal, CA 36.078°, -120.143° | 8.1 km | 1 | - | - | ✓ Reviewed | USGS → |
At 23:11 UTC on April 15, 2024, a magnitude 2.3 tremor occurred 8 km N of Avenal, CA. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-15 2024-04-15 22:41:59 UTC | 4.5mb | 81 km W of San Antonio de los Cobres, Argentina -24.342°, -67.113° | 171.8 km | - | - | - | ✓ Reviewed | USGS → |
On April 15, 2024 at 22:41 UTC, a magnitude 4.5 earthquake struck 81 km W of San Antonio de los Cobres, Argentina. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-15 2024-04-15 22:40:13 UTC | 2.1ml | 17 km NE of Hermleigh, Texas 32.760°, -100.638° | 10.3 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.1 earthquake 17 km NE of Hermleigh, Texas with origin time 22:40 UTC on April 15, 2024. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-15 2024-04-15 22:38:56 UTC | 5.9mww | 147 km SE of Koshima, Japan 29.440°, 131.762° | 7.6 km | 2 | III | green | ✓ Reviewed | USGS → |
On April 15, 2024 at 22:38 UTC, a magnitude 5.9 earthquake struck 147 km SE of Koshima, Japan. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. It is the largest earthquake currently listed for worldwide seismic activity on April 15, 2024. See the M5.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-15 2024-04-15 21:57:35 UTC | 4.3mb | 23 km SW of Vanimo, Papua New Guinea -2.820°, 141.139° | 22.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.3 earthquake 23 km SW of Vanimo, Papua New Guinea came in on April 15, 2024 at 21:57 UTC. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-15 2024-04-15 21:57:23 UTC | 2.5ml | 21 km ENE of Falls City, Texas 29.067°, -97.824° | 7.0 km | 1 | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.5 earthquake 21 km ENE of Falls City, Texas came in on April 15, 2024 at 21:57 UTC. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-15 2024-04-15 21:42:20 UTC | 3.0ml | 79 km ESE of Ugashik, Alaska 57.308°, -156.123° | 6.1 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 3.0 event was detected 79 km ESE of Ugashik, Alaska on April 15, 2024, with origin time 21:42 UTC. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-15 2024-04-15 21:22:06 UTC | 3.4md | 97 km NNE of Cruz Bay, U.S. Virgin Islands 19.188°, -64.588° | 20.9 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.4 seismic event took place 97 km NNE of Cruz Bay, U.S. Virgin Islands on April 15, 2024 at 21:22 UTC. Coming 1 hours after a magnitude 3.8 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-15 2024-04-15 21:02:58 UTC | 2.5ml | 37 km NW of Valdez, Alaska 61.345°, -146.895° | 15.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.5 seismic event took place 37 km NW of Valdez, Alaska on April 15, 2024 at 21:02 UTC. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-15 2024-04-15 20:57:58 UTC | 3.8md | 99 km N of Cruz Bay, U.S. Virgin Islands 19.221°, -64.649° | 23.0 km | - | - | - | ✓ Reviewed | USGS → |
On April 15, 2024, worldwide seismic activity registered a magnitude 3.8 earthquake 99 km N of Cruz Bay, U.S. Virgin Islands at 20:57 UTC. The event was offshore. See the M3.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-15 2024-04-15 20:07:06 UTC | 3.3ml | 9 km E of Wright, Wyoming 43.754°, -105.368° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
On April 15, 2024 at 20:07 UTC, a magnitude 3.3 earthquake struck 9 km E of Wright, Wyoming. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M3.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-15 2024-04-15 19:47:10 UTC | 2.9ml | 67 km SSE of Unalaska, Alaska 53.334°, -166.078° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
April 15, 2024 brought a magnitude 2.9 earthquake 67 km SSE of Unalaska, Alaska, logged at 19:47 UTC. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-15 2024-04-15 19:18:39 UTC | 2.6ml | 17 km SW of Salcha, Alaska 64.393°, -147.108° | 13.8 km | - | - | - | ✓ Reviewed | USGS → |
At 19:18 UTC on April 15, 2024, a magnitude 2.6 tremor occurred 17 km SW of Salcha, Alaska. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-15 2024-04-15 19:16:22 UTC | 2.0ml | 17 km WNW of Karluk, Alaska 57.609°, -154.744° | 64.4 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.0 earthquake was recorded 17 km WNW of Karluk, Alaska on April 15, 2024 at 19:16 UTC. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-15 2024-04-15 19:13:27 UTC | 3.4ml | 56 km ENE of Pedro Bay, Alaska 59.968°, -153.173° | 112.9 km | - | - | - | ✓ Reviewed | USGS → |
April 15, 2024 brought a magnitude 3.4 earthquake 56 km ENE of Pedro Bay, Alaska, logged at 19:13 UTC. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-15 2024-04-15 18:53:59 UTC | 2.7ml | 15 km SSE of Honaunau-Napoopoo, Hawaii 19.332°, -155.790° | 7.2 km | - | - | - | ✓ Reviewed | USGS → |
On April 15, 2024, worldwide seismic activity registered a magnitude 2.7 earthquake 15 km SSE of Honaunau-Napoopoo, Hawaii at 18:53 UTC. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-15 2024-04-15 18:47:44 UTC | 4.0mwr | 16 km ENE of Hualien City, Taiwan 24.013°, 121.762° | 38.4 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.0 earthquake was recorded 16 km ENE of Hualien City, Taiwan on April 15, 2024 at 18:47 UTC. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-15 2024-04-15 18:28:43 UTC | 2.0md | 7 km SSE of Pāhala, Hawaii 19.137°, -155.453° | 32.1 km | - | - | - | Auto | USGS → |
April 15, 2024 brought a magnitude 2.0 earthquake 7 km SSE of Pāhala, Hawaii, logged at 18:28 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.2 earthquake that occurred about 1 hours earlier. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-15 2024-04-15 18:27:13 UTC | 4.3mb | 272 km NE of Lospalos, Timor Leste -6.886°, 128.851° | 13.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.3 seismic event took place 272 km NE of Lospalos, Timor Leste on April 15, 2024 at 18:27 UTC. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-15 2024-04-15 18:17:01 UTC | 4.6mb | 43 km SW of Attu Station, Alaska 52.563°, 172.738° | 26.8 km | 2 | II | - | ✓ Reviewed | USGS → |
On April 15, 2024, worldwide seismic activity registered a magnitude 4.6 earthquake 43 km SW of Attu Station, Alaska at 18:17 UTC. The event was offshore. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-15 2024-04-15 18:16:44 UTC | 3.2ml | 5 km S of Pāhala, Hawaii 19.151°, -155.468° | 32.9 km | 4 | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 3.2 earthquake 5 km S of Pāhala, Hawaii with origin time 18:16 UTC on April 15, 2024. The event was offshore. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-15 2024-04-15 18:10:01 UTC | 2.2ml | 57 km S of Whites City, New Mexico 31.655°, -104.382° | 5.0 km | - | - | - | ✓ Reviewed | USGS → |
April 15, 2024 brought a magnitude 2.2 earthquake 57 km S of Whites City, New Mexico, logged at 18:10 UTC. It arrived roughly 17 hours after a larger magnitude 3.3 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. | ||||||||
2024-04-15 2024-04-15 17:56:50 UTC | 4.4mb | Mid-Indian Ridge -15.306°, 67.103° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.4 earthquake was recorded near Mid-Indian Ridge on April 15, 2024 at 17:56 UTC. Coming 1 hours after a magnitude 4.6 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-15 2024-04-15 17:48:58 UTC | 3.7md | 33 km E of Miches, Dominican Republic 18.970°, -68.732° | 4.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 3.7 earthquake 33 km E of Miches, Dominican Republic at 17:48 UTC on April 15, 2024. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M3.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-15 2024-04-15 17:48:22 UTC | 2.4ml | 180 km SSE of Old Harbor, Alaska 55.800°, -151.824° | 11.9 km | - | - | - | ✓ Reviewed | USGS → |
On April 15, 2024 at 17:48 UTC, a magnitude 2.4 earthquake struck 180 km SSE of Old Harbor, Alaska. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-15 2024-04-15 17:39:45 UTC | 2.1ml | 41 km E of Adak, Alaska 51.847°, -176.036° | 75.2 km | - | - | - | ✓ Reviewed | USGS → |
On April 15, 2024, worldwide seismic activity registered a magnitude 2.1 earthquake 41 km E of Adak, Alaska at 17:39 UTC. The event was offshore. See the M2.1 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 April 15, 2024. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.