Earthquakes on April 9, 2025
229
EARTHQUAKES on April 9, 2025
24-hour UTC period · USGS data
LARGEST: M5.4 — central Mid-Atlantic Ridge
10 km deep
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
5
M4.0–4.9
36
M3.0–3.9
8
M2.0–2.9
43
M1.0–1.9
137
Activity Summary
229
Total earthquakes
~250
Daily average
Normal
Activity level
5
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
5.4
central Mid-Atlantic Ridge
07:39 UTC · 10.0 km deep
5.1
Mid-Indian Ridge
20:42 UTC · 10.0 km deep
5.0
209 km NNW of Tobelo, Indonesia
15:21 UTC · 31.6 km deep
5.0
167 km ESE of Kimbe, Papua New Guinea
08:29 UTC · 10.0 km deep
5.0
23 km SSE of Yilan, Taiwan
01:53 UTC · 69.0 km deep
Felt by 51
4.9
south of the Fiji Islands
17:25 UTC · 361.2 km deep
4.9
128 km ESE of Kimbe, Papua New Guinea
08:44 UTC · 10.0 km deep
4.8
210 km NNW of Tobelo, Indonesia
07:25 UTC · 42.2 km deep
Earthquake Map — April 9, 2025
All Earthquakes — April 9, 2025
Showing 30 of 92 (filtered from 229)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2025-04-09 2025-04-09 23:33:22 UTC | 4.5mb | 8 km W of Kamaishi, Japan 39.272°, 141.768° | 65.4 km | 1 | - | - | ✓ Reviewed | USGS → |
On April 9, 2025, worldwide seismic activity registered a magnitude 4.5 earthquake 8 km W of Kamaishi, Japan at 23:33 UTC. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-04-09 2025-04-09 23:15:25 UTC | 2.2ml | 127 km WSW of Akhiok, Alaska 56.340°, -155.935° | 22.7 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.2 earthquake was recorded 127 km WSW of Akhiok, Alaska on April 9, 2025 at 23:15 UTC. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-04-09 2025-04-09 22:55:48 UTC | 4.2mb | South Sandwich Islands region -60.693°, -25.093° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.2 earthquake in the South Sandwich Islands region with origin time 22:55 UTC on April 9, 2025. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-04-09 2025-04-09 22:30:13 UTC | 4.1mb | 49 km ESE of Los Andes, Chile -32.960°, -70.091° | 113.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.1 earthquake 49 km ESE of Los Andes, Chile came in on April 9, 2025 at 22:30 UTC. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-04-09 2025-04-09 22:14:31 UTC | 2.0ml | 154 km W of Adak, Alaska 51.652°, -178.839° | 86.3 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.0 event was detected 154 km W of Adak, Alaska on April 9, 2025, with origin time 22:14 UTC. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-04-09 2025-04-09 21:53:21 UTC | 2.5ml | 92 km SSW of Unalaska, Alaska 53.094°, -166.993° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.5 seismic event took place 92 km SSW of Unalaska, Alaska on April 9, 2025 at 21:53 UTC. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-04-09 2025-04-09 21:52:14 UTC | 4.7mb | north of Ascension Island -1.257°, -12.957° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.7 seismic event took place north of Ascension Island on April 9, 2025 at 21:52 UTC. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-04-09 2025-04-09 21:49:16 UTC | 2.3md | 1 km NE of Indios, Puerto Rico 18.003°, -66.809° | 15.0 km | - | - | - | ✓ Reviewed | USGS → |
At 21:49 UTC on April 9, 2025, a magnitude 2.3 tremor occurred 1 km NE of Indios, Puerto Rico. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-04-09 2025-04-09 21:37:58 UTC | 2.6ml | 32 km S of Skwentna, Alaska 61.707°, -151.503° | 4.7 km | - | - | - | ✓ Reviewed | USGS → |
At 21:37 UTC on April 9, 2025, a magnitude 2.6 tremor occurred 32 km S of Skwentna, Alaska. 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. | ||||||||
2025-04-09 2025-04-09 21:21:42 UTC | 2.4ml | 36 km SSW of Los Ybanez, Texas 32.447°, -102.132° | 5.9 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.4 earthquake 36 km SSW of Los Ybanez, Texas with origin time 21:21 UTC on April 9, 2025. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-04-09 2025-04-09 21:21:32 UTC | 2.2ml | 68 km NNW of Rachel, Nevada 38.231°, -115.996° | 3.1 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.2 earthquake 68 km NNW of Rachel, Nevada with origin time 21:21 UTC on April 9, 2025. 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. | ||||||||
2025-04-09 2025-04-09 20:47:42 UTC | 2.0ml | 13 km WSW of Atka, Alaska 52.147°, -174.377° | 5.2 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.0 earthquake 13 km WSW of Atka, Alaska came in on April 9, 2025 at 20:47 UTC. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-04-09 2025-04-09 20:46:35 UTC | 4.5mb | 168 km NE of Lospalos, Timor Leste -7.588°, 128.207° | 179.2 km | - | - | - | ✓ Reviewed | USGS → |
At 20:46 UTC on April 9, 2025, a magnitude 4.5 tremor occurred 168 km NE of Lospalos, Timor Leste. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-04-09 2025-04-09 20:42:46 UTC | 5.1mww | Mid-Indian Ridge -21.968°, 69.055° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 5.1 earthquake was recorded near Mid-Indian Ridge on April 9, 2025 at 20:42 UTC. See the M5.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-04-09 2025-04-09 20:38:39 UTC | 4.2mb | 18 km NE of Limbuhan, Philippines 12.000°, 124.167° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On April 9, 2025, worldwide seismic activity registered a magnitude 4.2 earthquake 18 km NE of Limbuhan, Philippines at 20:38 UTC. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-04-09 2025-04-09 20:13:21 UTC | 3.9mb | 173 km WSW of Nikolski, Alaska 52.114°, -171.036° | 37.7 km | - | II | - | ✓ Reviewed | USGS → |
A magnitude 3.9 earthquake was recorded 173 km WSW of Nikolski, Alaska on April 9, 2025 at 20:13 UTC. See the M3.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-04-09 2025-04-09 20:03:09 UTC | 2.0ml | 39 km W of Seward, Alaska 60.079°, -150.156° | 20.7 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.0 seismic event took place 39 km W of Seward, Alaska on April 9, 2025 at 20:03 UTC. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-04-09 2025-04-09 20:02:31 UTC | 2.6ml | 83 km SSW of False Pass, Alaska 54.168°, -163.947° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.6 earthquake 83 km SSW of False Pass, Alaska at 20:02 UTC on April 9, 2025. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-04-09 2025-04-09 19:56:01 UTC | 4.4mb | 24 km WSW of Mezzouna, Tunisia 34.494°, 9.592° | 10.0 km | 2 | - | - | ✓ Reviewed | USGS → |
April 9, 2025 brought a magnitude 4.4 earthquake 24 km WSW of Mezzouna, Tunisia, logged at 19:56 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-04-09 2025-04-09 19:45:36 UTC | 4.5mb | 174 km ESE of Kimbe, Papua New Guinea -6.327°, 151.505° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.5 earthquake 174 km ESE of Kimbe, Papua New Guinea at 19:45 UTC on April 9, 2025. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-04-09 2025-04-09 19:38:35 UTC | 2.3ml | 53 km SE of King Cove, Alaska 54.708°, -161.749° | 13.3 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.3 earthquake 53 km SE of King Cove, Alaska at 19:38 UTC on April 9, 2025. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-04-09 2025-04-09 19:37:03 UTC | 4.3mb | 209 km S of Kokopo, Papua New Guinea -6.208°, 151.951° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 19:37 UTC on April 9, 2025, a magnitude 4.3 tremor occurred 209 km S of Kokopo, Papua New Guinea. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-04-09 2025-04-09 19:33:30 UTC | 2.3ml | 21 km SSE of Pāhala, Hawaii 19.043°, -155.366° | 33.5 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.3 seismic event took place 21 km SSE of Pāhala, Hawaii on April 9, 2025 at 19:33 UTC. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-04-09 2025-04-09 19:08:36 UTC | 4.3mb | 170 km SE of Kimbe, Papua New Guinea -6.574°, 151.285° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.3 earthquake 170 km SE of Kimbe, Papua New Guinea at 19:08 UTC on April 9, 2025. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-04-09 2025-04-09 18:58:18 UTC | 4.3mb | 182 km ESE of Kimbe, Papua New Guinea -6.149°, 151.673° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.3 event was detected 182 km ESE of Kimbe, Papua New Guinea on April 9, 2025, with origin time 18:58 UTC. Coming 10 hours after a magnitude 5.0 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-04-09 2025-04-09 18:56:42 UTC | 4.6mb | 225 km ENE of Levuka, Fiji -17.599°, -178.613° | 551.1 km | - | - | - | ✓ Reviewed | USGS → |
On April 9, 2025 at 18:56 UTC, a magnitude 4.6 earthquake struck 225 km ENE of Levuka, Fiji. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-04-09 2025-04-09 18:25:14 UTC | 2.6ml | 29 km SW of Womens Bay, Alaska 57.504°, -153.038° | 33.3 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.6 event was detected 29 km SW of Womens Bay, Alaska on April 9, 2025, with origin time 18:25 UTC. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-04-09 2025-04-09 18:13:23 UTC | 2.1ml | 16 km S of Volcano, Hawaii 19.294°, -155.213° | 5.6 km | 1 | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.1 earthquake 16 km S of Volcano, Hawaii at 18:13 UTC on April 9, 2025. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-04-09 2025-04-09 18:10:38 UTC | 3.8mb | 174 km WSW of Nikolski, Alaska 52.109°, -171.048° | 35.0 km | - | III | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 3.8 earthquake 174 km WSW of Nikolski, Alaska with origin time 18:10 UTC on April 9, 2025. See the M3.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-04-09 2025-04-09 18:04:45 UTC | 4.6mb | east of the South Sandwich Islands -60.503°, -19.938° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.6 earthquake was recorded east of the South Sandwich Islands on April 9, 2025 at 18:04 UTC. 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 April 9, 2025. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.