Earthquakes on April 8, 2023
251
EARTHQUAKES on April 8, 2023
24-hour UTC period · USGS data
LARGEST: M5.3 — 284 km WNW of Lautoka, Fiji
15 km deep
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
2
M4.0–4.9
37
M3.0–3.9
9
M2.0–2.9
43
M1.0–1.9
160
Activity Summary
251
Total earthquakes
~250
Daily average
Normal
Activity level
2
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Northern Mariana Islands
2
Significant Earthquakes (M4.5+)
5.3
284 km WNW of Lautoka, Fiji
16:27 UTC · 14.8 km deep
5.3
47 km WNW of Aitape, Papua New Guinea
14:11 UTC · 69.6 km deep
4.9
54 km ESE of Ambunti, Papua New Guinea
22:23 UTC · 72.0 km deep
Felt by 2
4.9
Fox Islands, Aleutian Islands, Alaska
20:25 UTC · 67.4 km deep
Felt by 16
4.9
Kermadec Islands region
13:38 UTC · 10.0 km deep
4.8
102 km WNW of Tobelo, Indonesia
06:58 UTC · 100.5 km deep
4.6
Prince Edward Islands region
23:08 UTC · 10.0 km deep
4.6
Nicobar Islands, India region
11:06 UTC · 8.2 km deep
Earthquake Map — April 8, 2023
All Earthquakes — April 8, 2023
Showing 30 of 91 (filtered from 251)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2023-04-08 2023-04-08 23:39:40 UTC | 2.7ml | 149 km WSW of Adak, Alaska 51.200°, -178.501° | 31.9 km | - | - | - | ✓ Reviewed | USGS → |
At 23:39 UTC on April 8, 2023, a magnitude 2.7 tremor occurred 149 km WSW of Adak, Alaska. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-08 2023-04-08 23:36:32 UTC | 4.2mb | Peru-Bolivia border region -17.814°, -69.747° | 165.8 km | - | - | - | ✓ Reviewed | USGS → |
On April 8, 2023 at 23:36 UTC, a magnitude 4.2 earthquake struck in the Peru-Bolivia border region. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-08 2023-04-08 23:08:48 UTC | 4.6mb | Prince Edward Islands region -46.939°, 33.551° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.6 event was detected in the Prince Edward Islands region on April 8, 2023, with origin time 23:08 UTC. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-08 2023-04-08 23:03:38 UTC | 2.8md | 4 km SSW of Guánica, Puerto Rico 17.932°, -66.926° | 6.2 km | - | - | - | ✓ Reviewed | USGS → |
On April 8, 2023 at 23:03 UTC, a magnitude 2.8 earthquake struck 4 km SSW of Guánica, Puerto Rico. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-08 2023-04-08 22:35:57 UTC | 2.2ml | 36 km WSW of Mentone, Texas 31.610°, -103.971° | 7.8 km | - | - | - | ✓ Reviewed | USGS → |
At 22:35 UTC on April 8, 2023, a magnitude 2.2 tremor occurred 36 km WSW of Mentone, Texas. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-08 2023-04-08 22:35:48 UTC | 4.4mb | New Guinea, Papua New Guinea -4.487°, 143.234° | 90.7 km | 1 | - | - | ✓ Reviewed | USGS → |
On April 8, 2023, worldwide seismic activity registered a magnitude 4.4 earthquake near New Guinea, Papua New Guinea at 22:35 UTC. This event falls inside the aftershock decay of a nearby magnitude 4.9 earthquake that occurred about 1 hours earlier. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-08 2023-04-08 22:23:19 UTC | 4.9mb | 54 km ESE of Ambunti, Papua New Guinea -4.469°, 143.241° | 72.0 km | 2 | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.9 earthquake 54 km ESE of Ambunti, Papua New Guinea with origin time 22:23 UTC on April 8, 2023. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-08 2023-04-08 21:59:18 UTC | 2.4ml | 14km S of Searles Valley, CA 35.642°, -117.433° | 9.4 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.4 earthquake 14km S of Searles Valley, CA at 21:59 UTC on April 8, 2023. Coming 13 hours after a magnitude 2.5 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-08 2023-04-08 21:41:59 UTC | 2.1ml | 95 km SW of Atka, Alaska 51.557°, -175.119° | 25.3 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.1 seismic event took place 95 km SW of Atka, Alaska on April 8, 2023 at 21:41 UTC. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-08 2023-04-08 21:29:07 UTC | 3.3md | 52 km N of Charlotte Amalie, U.S. Virgin Islands 18.811°, -65.018° | 20.5 km | - | - | - | ✓ Reviewed | USGS → |
At 21:29 UTC on April 8, 2023, a magnitude 3.3 tremor occurred 52 km N of Charlotte Amalie, U.S. Virgin Islands. The event was offshore. See the M3.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-08 2023-04-08 21:25:16 UTC | 2.9md | 7km WNW of The Geysers, CA 38.811°, -122.828° | 1.9 km | 2 | - | - | ✓ Reviewed | USGS → |
A magnitude 2.9 seismic event took place 7km WNW of The Geysers, CA on April 8, 2023 at 21:25 UTC. It arrived roughly 16 hours after a larger magnitude 3.0 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 M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-08 2023-04-08 20:51:12 UTC | 2.6ml | 48 km WSW of Akhiok, Alaska 56.714°, -154.850° | 6.2 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.6 event was detected 48 km WSW of Akhiok, Alaska on April 8, 2023, with origin time 20:51 UTC. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-08 2023-04-08 20:45:05 UTC | 2.3md | 7 km SE of Maria Antonia, Puerto Rico 17.930°, -66.842° | 12.1 km | - | - | - | ✓ Reviewed | USGS → |
On April 8, 2023 at 20:45 UTC, a magnitude 2.3 earthquake struck 7 km SE of Maria Antonia, Puerto Rico. This event falls inside the aftershock decay of a nearby magnitude 2.4 earthquake that occurred about 7 hours earlier. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-08 2023-04-08 20:25:11 UTC | 4.9mww | Fox Islands, Aleutian Islands, Alaska 53.911°, -165.468° | 67.4 km | 16 | III | - | ✓ Reviewed | USGS → |
On April 8, 2023, worldwide seismic activity registered a magnitude 4.9 earthquake near Fox Islands, Aleutian Islands, Alaska at 20:25 UTC. A tsunami evaluation was automatically initiated given the magnitude and location. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-08 2023-04-08 19:56:04 UTC | 2.1ml | 77 km ENE of Ugashik, Alaska 57.848°, -156.251° | 122.0 km | - | - | - | ✓ Reviewed | USGS → |
April 8, 2023 brought a magnitude 2.1 earthquake 77 km ENE of Ugashik, Alaska, logged at 19:56 UTC. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-08 2023-04-08 19:31:28 UTC | 2.0ml | 129 km WSW of Adak, Alaska 51.609°, -178.457° | 7.7 km | - | - | - | ✓ Reviewed | USGS → |
At 19:31 UTC on April 8, 2023, a magnitude 2.0 tremor occurred 129 km WSW of Adak, Alaska. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-08 2023-04-08 19:15:19 UTC | 4.1mb | 21 km WSW of Dompu, Indonesia -8.617°, 118.283° | 136.2 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.1 earthquake 21 km WSW of Dompu, Indonesia at 19:15 UTC on April 8, 2023. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-08 2023-04-08 18:48:03 UTC | 4.0mb | Izu Islands, Japan region 29.934°, 139.168° | 379.1 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.0 earthquake in the Izu Islands, Japan region came in on April 8, 2023 at 18:48 UTC. This is the deepest earthquake in the current dataset — a deep-focus event. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-08 2023-04-08 18:09:51 UTC | 2.1ml | 50 km S of Skwentna, Alaska 61.545°, -151.563° | 77.0 km | - | - | - | ✓ Reviewed | USGS → |
On April 8, 2023 at 18:09 UTC, a magnitude 2.1 earthquake struck 50 km S of Skwentna, Alaska. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-08 2023-04-08 17:35:11 UTC | 2.0ml | 68 km NW of Adak, Alaska 52.251°, -177.419° | 113.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.0 earthquake 68 km NW of Adak, Alaska at 17:35 UTC on April 8, 2023. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-08 2023-04-08 17:30:37 UTC | 2.0ml | Kenai Peninsula, Alaska 60.408°, -151.135° | 40.4 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.0 event was detected near Kenai Peninsula, Alaska on April 8, 2023, with origin time 17:30 UTC. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-08 2023-04-08 17:30:30 UTC | 4.3mb | 54 km W of Kandrian, Papua New Guinea -6.131°, 149.058° | 70.9 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.3 earthquake 54 km W of Kandrian, Papua New Guinea with origin time 17:30 UTC on April 8, 2023. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-08 2023-04-08 17:06:40 UTC | 4.5mb | Balleny Islands region -65.210°, 179.979° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On April 8, 2023 at 17:06 UTC, a magnitude 4.5 earthquake struck in the Balleny Islands region. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-08 2023-04-08 17:03:10 UTC | 2.6ml | 101 km W of Adak, Alaska 52.004°, -178.101° | 5.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.6 earthquake 101 km W of Adak, Alaska came in on April 8, 2023 at 17:03 UTC. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-08 2023-04-08 16:27:32 UTC | 5.3mww | 284 km WNW of Lautoka, Fiji -16.575°, 175.002° | 14.8 km | - | - | - | ✓ Reviewed | USGS → |
On April 8, 2023 at 16:27 UTC, a magnitude 5.3 earthquake struck 284 km WNW of Lautoka, Fiji. It is the largest earthquake currently listed for worldwide seismic activity on April 8, 2023. See the M5.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-08 2023-04-08 16:13:01 UTC | 4.2mb | 8 km E of San José de Ocoa, Dominican Republic 18.546°, -70.429° | 9.4 km | 8 | - | - | ✓ Reviewed | USGS → |
A magnitude 4.2 earthquake was recorded 8 km E of San José de Ocoa, Dominican Republic on April 8, 2023 at 16:13 UTC. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-08 2023-04-08 15:53:29 UTC | 2.5ml | 68 km E of Port Alsworth, Alaska 60.186°, -153.088° | 134.1 km | - | - | - | ✓ Reviewed | USGS → |
April 8, 2023 brought a magnitude 2.5 earthquake 68 km E of Port Alsworth, Alaska, logged at 15:53 UTC. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-08 2023-04-08 15:47:41 UTC | 4.4mb | Nicobar Islands, India region 9.120°, 94.021° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 15:47 UTC on April 8, 2023, a magnitude 4.4 tremor occurred in the Nicobar Islands, India region. Coming 5 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. | ||||||||
2023-04-08 2023-04-08 15:40:19 UTC | 4.4mb | 19 km SSE of Parapat, Indonesia 2.510°, 99.013° | 158.8 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.4 earthquake 19 km SSE of Parapat, Indonesia at 15:40 UTC on April 8, 2023. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-08 2023-04-08 15:40:14 UTC | 4.2mb | 15 km NNE of Honchō, Japan 42.255°, 142.992° | 69.2 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.2 earthquake 15 km NNE of Honchō, Japan with origin time 15:40 UTC on April 8, 2023. See the M4.2 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 8, 2023. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.