Earthquakes on April 16, 2023
271
EARTHQUAKES on April 16, 2023
24-hour UTC period · USGS data
26 km deep · 28 people felt it
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
1
M4.0–4.9
23
M3.0–3.9
17
M2.0–2.9
55
M1.0–1.9
175
Activity Summary
271
Total earthquakes
~250
Daily average
Normal
Activity level
1
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
5.2
39 km ENE of Codrington, Antigua and Barbuda
09:49 UTC · 25.5 km deep
Felt by 28
4.8
Kermadec Islands region
05:23 UTC · 154.7 km deep
4.8
Bonin Islands, Japan region
03:53 UTC · 14.9 km deep
4.7
South Sandwich Islands region
22:46 UTC · 104.0 km deep
4.7
Kermadec Islands, New Zealand
17:05 UTC · 32.0 km deep
4.7
4 km SSW of Grand-Bourg, Guadeloupe
11:22 UTC · 102.0 km deep
Felt by 9
4.6
117 km N of Hirara, Japan
11:11 UTC · 10.0 km deep
4.5
Kermadec Islands region
23:18 UTC · 10.0 km deep
Earthquake Map — April 16, 2023
All Earthquakes — April 16, 2023
Showing 30 of 96 (filtered from 271)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2023-04-16 2023-04-16 23:48:40 UTC | 2.3md | 11km NW of Verdi-Mogul, NV 39.580°, -120.047° | 5.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.3 earthquake 11km NW of Verdi-Mogul, NV came in on April 16, 2023 at 23:48 UTC. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-16 2023-04-16 23:18:18 UTC | 4.5mb | Kermadec Islands region -31.775°, -178.642° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.5 earthquake in the Kermadec Islands region came in on April 16, 2023 at 23:18 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-16 2023-04-16 23:14:26 UTC | 3.6ml | 14 km SSE of Potchefstroom, South Africa -26.834°, 27.160° | 5.0 km | 1 | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 3.6 earthquake 14 km SSE of Potchefstroom, South Africa came in on April 16, 2023 at 23:14 UTC. See the M3.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-16 2023-04-16 23:07:56 UTC | 2.3ml | 42 km NW of Toyah, Texas 31.539°, -104.155° | 6.6 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.3 seismic event took place 42 km NW of Toyah, Texas on April 16, 2023 at 23:07 UTC. Coming 23 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 M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-16 2023-04-16 22:55:57 UTC | 4.0mb | 22 km ENE of Göksun, Turkey 38.074°, 36.749° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On April 16, 2023, worldwide seismic activity registered a magnitude 4.0 earthquake 22 km ENE of Göksun, Turkey at 22:55 UTC. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-16 2023-04-16 22:51:33 UTC | 2.3ml | 56 km S of Whites City, New Mexico 31.670°, -104.321° | 8.5 km | - | - | - | ✓ Reviewed | USGS → |
April 16, 2023 brought a magnitude 2.3 earthquake 56 km S of Whites City, New Mexico, logged at 22:51 UTC. It arrived roughly 17 hours after a larger magnitude 3.1 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-16 2023-04-16 22:46:45 UTC | 4.1mb | 75 km W of Murghob, Tajikistan 38.248°, 73.106° | 48.7 km | - | - | - | ✓ Reviewed | USGS → |
April 16, 2023 brought a magnitude 4.1 earthquake 75 km W of Murghob, Tajikistan, logged at 22:46 UTC. The event was offshore. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-16 2023-04-16 22:46:21 UTC | 4.7mb | South Sandwich Islands region -56.057°, -27.437° | 104.0 km | - | - | - | ✓ Reviewed | USGS → |
On April 16, 2023, worldwide seismic activity registered a magnitude 4.7 earthquake in the South Sandwich Islands region at 22:46 UTC. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-16 2023-04-16 22:16:33 UTC | 3.4ml | 51 km SSW of Adak, Alaska 51.473°, -176.993° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
April 16, 2023 brought a magnitude 3.4 earthquake 51 km SSW of Adak, Alaska, logged at 22:16 UTC. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-16 2023-04-16 21:32:49 UTC | 3.7md | 7 km ENE of Boca de Yuma, Dominican Republic 18.415°, -68.550° | 123.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 3.7 earthquake 7 km ENE of Boca de Yuma, Dominican Republic at 21:32 UTC on April 16, 2023. See the M3.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-16 2023-04-16 20:37:15 UTC | 2.1ml | 47 km S of Nelchina, Alaska 61.566°, -146.649° | 26.9 km | - | - | - | ✓ Reviewed | USGS → |
On April 16, 2023 at 20:37 UTC, a magnitude 2.1 earthquake struck 47 km S of Nelchina, Alaska. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-16 2023-04-16 20:31:16 UTC | 2.4md | 5 km SSW of Indios, Puerto Rico 17.950°, -66.840° | 11.8 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.4 event was detected 5 km SSW of Indios, Puerto Rico on April 16, 2023, with origin time 20:31 UTC. It arrived roughly 11 hours after a larger magnitude 3.9 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-16 2023-04-16 20:26:47 UTC | 4.5mb | western Indian-Antarctic Ridge -49.264°, 127.386° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.5 seismic event took place near western Indian-Antarctic Ridge on April 16, 2023 at 20:26 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-16 2023-04-16 20:23:08 UTC | 2.4md | 5 km WSW of Guánica, Puerto Rico 17.959°, -66.954° | 7.6 km | - | - | - | ✓ Reviewed | USGS → |
April 16, 2023 brought a magnitude 2.4 earthquake 5 km WSW of Guánica, Puerto Rico, logged at 20:23 UTC. Coming 10 hours after a magnitude 3.9 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-16 2023-04-16 20:12:33 UTC | 2.8md | 5 km WSW of Guánica, Puerto Rico 17.947°, -66.954° | 7.0 km | - | - | - | ✓ Reviewed | USGS → |
On April 16, 2023, worldwide seismic activity registered a magnitude 2.8 earthquake 5 km WSW of Guánica, Puerto Rico at 20:12 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.9 earthquake that occurred about 10 hours earlier. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-16 2023-04-16 20:09:00 UTC | 2.5md | 12km WSW of Ferndale, CA 40.529°, -124.390° | 17.9 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.5 seismic event took place 12km WSW of Ferndale, CA on April 16, 2023 at 20:09 UTC. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-16 2023-04-16 19:12:43 UTC | 3.1ml | 188 km WSW of Adak, Alaska 51.087°, -179.045° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
At 19:12 UTC on April 16, 2023, a magnitude 3.1 tremor occurred 188 km WSW of Adak, Alaska. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-16 2023-04-16 19:03:54 UTC | 3.1ml | Andreanof Islands, Aleutian Islands, Alaska 50.549°, -176.160° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 3.1 earthquake near Andreanof Islands, Aleutian Islands, Alaska at 19:03 UTC on April 16, 2023. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-16 2023-04-16 18:18:42 UTC | 2.1ml | 56 km S of Whites City, New Mexico 31.666°, -104.378° | 8.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.1 earthquake was recorded 56 km S of Whites City, New Mexico on April 16, 2023 at 18:18 UTC. It arrived roughly 13 hours after a larger magnitude 3.1 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-16 2023-04-16 17:56:11 UTC | 2.1ml | 30 km WSW of Anchor Point, Alaska 59.664°, -152.333° | 66.7 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.1 earthquake 30 km WSW of Anchor Point, Alaska with origin time 17:56 UTC on April 16, 2023. This event falls inside the aftershock decay of a nearby magnitude 2.5 earthquake that occurred about 18 hours earlier. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-16 2023-04-16 17:44:55 UTC | 3.2ml | Rat Islands, Aleutian Islands, Alaska 51.923°, 178.296° | 123.9 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 3.2 earthquake near Rat Islands, Aleutian Islands, Alaska with origin time 17:44 UTC on April 16, 2023. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-16 2023-04-16 17:25:07 UTC | 4.3mwr | 40 km ESE of Tomioka, Japan 37.190°, 141.433° | 43.0 km | - | - | - | ✓ Reviewed | USGS → |
On April 16, 2023 at 17:25 UTC, a magnitude 4.3 earthquake struck 40 km ESE of Tomioka, Japan. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-16 2023-04-16 17:05:21 UTC | 4.7mb | Kermadec Islands, New Zealand -29.700°, -177.214° | 32.0 km | - | - | - | ✓ Reviewed | USGS → |
At 17:05 UTC on April 16, 2023, a magnitude 4.7 tremor occurred near Kermadec Islands, New Zealand. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-16 2023-04-16 16:22:18 UTC | 2.1md | 0 km SW of P?hala, Hawaii 19.199°, -155.484° | 30.7 km | - | - | - | Auto | USGS → |
April 16, 2023 brought a magnitude 2.1 earthquake 0 km SW of P?hala, Hawaii, logged at 16:22 UTC. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-16 2023-04-16 16:22:14 UTC | 4.5mb | 161 km SW of Severo-Kuril’sk, Russia 49.648°, 154.526° | 123.8 km | - | - | - | ✓ Reviewed | USGS → |
April 16, 2023 brought a magnitude 4.5 earthquake 161 km SW of Severo-Kuril’sk, Russia, logged at 16:22 UTC. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-16 2023-04-16 16:16:57 UTC | 2.1md | Puerto Rico region 17.959°, -66.972° | 6.9 km | - | - | - | ✓ Reviewed | USGS → |
On April 16, 2023, worldwide seismic activity registered a magnitude 2.1 earthquake in the Puerto Rico region at 16:16 UTC. It arrived roughly 6 hours after a larger magnitude 3.9 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-16 2023-04-16 16:11:13 UTC | 2.8ml | Andreanof Islands, Aleutian Islands, Alaska 51.002°, -179.833° | 15.6 km | - | - | - | ✓ Reviewed | USGS → |
At 16:11 UTC on April 16, 2023, a magnitude 2.8 tremor occurred near Andreanof Islands, Aleutian Islands, Alaska. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-16 2023-04-16 16:02:42 UTC | 2.5ml | Central Alaska 62.360°, -149.074° | 40.0 km | - | - | - | ✓ Reviewed | USGS → |
On April 16, 2023, worldwide seismic activity registered a magnitude 2.5 earthquake near Central Alaska at 16:02 UTC. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-16 2023-04-16 15:46:25 UTC | 4.2mb | Banda Sea -6.688°, 127.489° | 416.2 km | - | - | - | ✓ Reviewed | USGS → |
At 15:46 UTC on April 16, 2023, a magnitude 4.2 tremor occurred near Banda Sea. This is the deepest earthquake in the current dataset — a deep-focus event. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-04-16 2023-04-16 15:33:49 UTC | 2.3md | 27km NNW of Laytonville, CA 39.925°, -123.568° | 0.2 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.3 earthquake 27km NNW of Laytonville, CA with origin time 15:33 UTC on April 16, 2023. 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. | ||||||||
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 16, 2023. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.