Earthquakes on April 7, 2023
254
EARTHQUAKES on April 7, 2023
24-hour UTC period · USGS data
85 km deep
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
2
M4.0–4.9
30
M3.0–3.9
10
M2.0–2.9
47
M1.0–1.9
165
Activity Summary
254
Total earthquakes
~250
Daily average
Normal
Activity level
2
M5.0+ events
Geographic Breakdown
By US State
Significant Earthquakes (M4.5+)
5.8
107 km SW of Severo-Kuril’sk, Russia
02:22 UTC · 85.0 km deep
5.0
85 km WNW of Kuqa, China
12:17 UTC · 10.0 km deep
4.9
Kermadec Islands region
04:11 UTC · 10.0 km deep
4.8
Pagan region, Northern Mariana Islands
07:12 UTC · 154.2 km deep
4.7
Kermadec Islands region
18:34 UTC · 10.0 km deep
4.6
114 km NE of Hirara, Japan
15:49 UTC · 57.2 km deep
4.6
109 km SW of Severo-Kuril’sk, Russia
14:41 UTC · 112.4 km deep
4.6
7 km NNE of Los Córdobas, Colombia
04:10 UTC · 48.1 km deep
Felt by 2
Earthquake Map — April 7, 2023
All Earthquakes — April 7, 2023
Showing 30 of 89 (filtered from 254)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2023-04-07 2023-04-07 23:38:12 UTC | 4.1mb | southern Iran 28.103°, 56.995° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
April 7, 2023 brought a magnitude 4.1 earthquake near southern Iran, logged at 23:38 UTC. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-07 2023-04-07 23:21:34 UTC | 2.1ml | 18 km E of Ferry, Alaska 64.010°, -148.739° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.1 earthquake 18 km E of Ferry, Alaska came in on April 7, 2023 at 23:21 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. | ||||||||
2023-04-07 2023-04-07 23:14:15 UTC | 2.3ml | 9 km ESE of Chenega, Alaska 60.042°, -147.848° | 8.2 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.3 earthquake 9 km ESE of Chenega, Alaska came in on April 7, 2023 at 23:14 UTC. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-07 2023-04-07 23:03:23 UTC | 2.0md | 20km NE of Upper Lake, CA 39.298°, -122.763° | 4.9 km | - | - | - | ✓ Reviewed | USGS → |
On April 7, 2023, worldwide seismic activity registered a magnitude 2.0 earthquake 20km NE of Upper Lake, CA at 23:03 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-07 2023-04-07 22:20:40 UTC | 4.3mb | Alamagan region, Northern Mariana Islands 17.321°, 146.114° | 142.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.3 seismic event took place in the Alamagan region, Northern Mariana Islands on April 7, 2023 at 22:20 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-07 2023-04-07 22:09:32 UTC | 4.4mb | 8 km N of Cepitá, Colombia 6.835°, -72.974° | 152.7 km | - | - | - | ✓ Reviewed | USGS → |
On April 7, 2023, worldwide seismic activity registered a magnitude 4.4 earthquake 8 km N of Cepitá, Colombia at 22:09 UTC. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-07 2023-04-07 22:00:53 UTC | 4.5mb | 23 km ENE of Port-Olry, Vanuatu -14.937°, 167.264° | 108.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.5 seismic event took place 23 km ENE of Port-Olry, Vanuatu on April 7, 2023 at 22:00 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-07 2023-04-07 21:46:20 UTC | 2.4ml | 7 km SW of Volcano, Hawaii 19.390°, -155.278° | 1.3 km | - | - | - | ✓ Reviewed | USGS → |
On April 7, 2023, worldwide seismic activity registered a magnitude 2.4 earthquake 7 km SW of Volcano, Hawaii at 21:46 UTC. It arrived roughly 10 hours after a larger magnitude 2.7 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 M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-07 2023-04-07 20:31:50 UTC | 2.7ml | Andreanof Islands, Aleutian Islands, Alaska 51.852°, -178.090° | 5.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.7 seismic event took place near Andreanof Islands, Aleutian Islands, Alaska on April 7, 2023 at 20:31 UTC. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-07 2023-04-07 20:09:15 UTC | 4.5mb | south of the Fiji Islands -24.015°, -179.859° | 504.7 km | - | - | - | ✓ Reviewed | USGS → |
April 7, 2023 brought a magnitude 4.5 earthquake south of the Fiji Islands, logged at 20:09 UTC. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-07 2023-04-07 20:08:08 UTC | 3.5ml | 14 km E of Wright, Wyoming 43.755°, -105.313° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 3.5 earthquake 14 km E of Wright, Wyoming at 20:08 UTC on April 7, 2023. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M3.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-07 2023-04-07 19:53:53 UTC | 2.2md | 11 km E of P?hala, Hawaii 19.210°, -155.365° | 32.5 km | - | - | - | Auto | USGS → |
On April 7, 2023, worldwide seismic activity registered a magnitude 2.2 earthquake 11 km E of P?hala, Hawaii at 19:53 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.8 earthquake that occurred about 6 hours earlier. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-07 2023-04-07 18:55:44 UTC | 2.5md | Puerto Rico region 18.039°, -66.878° | 17.8 km | - | - | - | ✓ Reviewed | USGS → |
On April 7, 2023 at 18:55 UTC, a magnitude 2.5 earthquake struck in the Puerto Rico region. It arrived roughly 9 hours after a larger magnitude 2.7 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-07 2023-04-07 18:55:14 UTC | 2.7ml | Unimak Island region, Alaska 53.157°, -164.605° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
April 7, 2023 brought a magnitude 2.7 earthquake in the Unimak Island region, Alaska, logged at 18:55 UTC. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-07 2023-04-07 18:54:35 UTC | 4.2mb | 205 km ENE of Levuka, Fiji -17.702°, -178.786° | 524.0 km | - | - | - | ✓ Reviewed | USGS → |
At 18:54 UTC on April 7, 2023, a magnitude 4.2 tremor occurred 205 km ENE of Levuka, Fiji. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-07 2023-04-07 18:34:32 UTC | 3.7mb | 124 km SSE of Sand Point, Alaska 54.293°, -159.792° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 3.7 earthquake 124 km SSE of Sand Point, Alaska with origin time 18:34 UTC on April 7, 2023. See the M3.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-07 2023-04-07 18:34:00 UTC | 4.7mb | Kermadec Islands region -28.472°, -177.721° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 18:34 UTC on April 7, 2023, a magnitude 4.7 tremor occurred in the Kermadec Islands region. This event falls inside the aftershock decay of a nearby magnitude 4.9 earthquake that occurred about 14 hours earlier. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-07 2023-04-07 18:02:19 UTC | 4.3mb | Banda Sea -6.850°, 129.727° | 121.0 km | - | - | - | ✓ Reviewed | USGS → |
April 7, 2023 brought a magnitude 4.3 earthquake near Banda Sea, logged at 18:02 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-07 2023-04-07 17:57:25 UTC | 4.4mb | south of the Fiji Islands -26.019°, -179.186° | 464.2 km | - | - | - | ✓ Reviewed | USGS → |
At 17:57 UTC on April 7, 2023, a magnitude 4.4 tremor occurred south of the Fiji Islands. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-07 2023-04-07 17:42:06 UTC | 4.3mb | Fiji region -20.954°, -178.964° | 606.1 km | - | - | - | ✓ Reviewed | USGS → |
On April 7, 2023 at 17:42 UTC, a magnitude 4.3 earthquake struck in the Fiji region. This is the deepest earthquake in the current dataset — a deep-focus event. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-07 2023-04-07 17:28:08 UTC | 4.2mb | Fiji region -20.570°, -178.179° | 536.1 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.2 earthquake in the Fiji region at 17:28 UTC on April 7, 2023. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-07 2023-04-07 17:07:09 UTC | 2.7ml | 100 km W of Adak, Alaska 51.865°, -178.097° | 5.0 km | - | - | - | ✓ Reviewed | USGS → |
On April 7, 2023 at 17:07 UTC, a magnitude 2.7 earthquake struck 100 km W of Adak, Alaska. The event was offshore. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-07 2023-04-07 16:40:26 UTC | 2.2ml | 59 km SE of Egegik, Alaska 57.891°, -156.579° | 143.7 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.2 earthquake was recorded 59 km SE of Egegik, Alaska on April 7, 2023 at 16:40 UTC. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-07 2023-04-07 16:26:59 UTC | 4.3mb | 68 km W of Abra Pampa, Argentina -22.744°, -66.364° | 224.7 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.3 earthquake was recorded 68 km W of Abra Pampa, Argentina on April 7, 2023 at 16:26 UTC. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-07 2023-04-07 15:50:23 UTC | 2.5md | 2 km NNW of Indios, Puerto Rico 18.017°, -66.826° | 14.2 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.5 earthquake was recorded 2 km NNW of Indios, Puerto Rico on April 7, 2023 at 15:50 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.7 earthquake that occurred about 6 hours earlier. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-07 2023-04-07 15:49:03 UTC | 4.6mb | 114 km NE of Hirara, Japan 25.506°, 126.140° | 57.2 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.6 earthquake 114 km NE of Hirara, Japan at 15:49 UTC on April 7, 2023. The event was offshore. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-07 2023-04-07 15:46:13 UTC | 2.6ml | 142 km SSE of Cordova, Alaska 59.365°, -144.753° | 9.7 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.6 event was detected 142 km SSE of Cordova, Alaska on April 7, 2023, with origin time 15:46 UTC. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-07 2023-04-07 15:44:04 UTC | 4.2mb | 81 km W of Kuqa, China 41.827°, 81.965° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.2 event was detected 81 km W of Kuqa, China on April 7, 2023, with origin time 15:44 UTC. Coming 3 hours after a magnitude 5.0 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-07 2023-04-07 15:40:23 UTC | 4.2mb | Fiji region -21.424°, -178.887° | 571.9 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.2 earthquake in the Fiji region came in on April 7, 2023 at 15:40 UTC. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-07 2023-04-07 14:46:04 UTC | 2.7ml | 68 km ESE of Nikolski, Alaska 52.740°, -167.902° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.7 earthquake was recorded 68 km ESE of Nikolski, Alaska on April 7, 2023 at 14:46 UTC. See the M2.7 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 7, 2023. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.