Earthquakes on April 23, 2024
281
EARTHQUAKES on April 23, 2024
24-hour UTC period · USGS data
12 km deep · 10 people felt it
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
8
M4.0–4.9
41
M3.0–3.9
6
M2.0–2.9
48
M1.0–1.9
178
Activity Summary
281
Total earthquakes
~250
Daily average
Normal
Activity level
8
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
5.8
22 km SSE of Hualien City, Taiwan
00:04 UTC · 12.0 km deep
Felt by 10
5.3
75 km WSW of Basco, Philippines
12:55 UTC · 22.4 km deep
5.2
136 km SSE of Lajes das Flores, Portugal
15:40 UTC · 17.6 km deep
5.1
17 km S of Hualien City, Taiwan
02:20 UTC · 10.0 km deep
Felt by 3
5.0
northern Mid-Atlantic Ridge
13:05 UTC · 10.0 km deep
5.0
176 km NW of Sola, Vanuatu
12:00 UTC · 56.2 km deep
5.0
75 km NNE of Lae, Papua New Guinea
07:59 UTC · 89.4 km deep
Felt by 1
5.0
10 km S of Hualien City, Taiwan
00:11 UTC · 16.3 km deep
Felt by 1
Earthquake Map — April 23, 2024
All Earthquakes — April 23, 2024
Showing 30 of 103 (filtered from 281)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2024-04-23 2024-04-23 23:55:49 UTC | 2.6ml | 27 km WNW of Anchor Point, Alaska 59.865°, -152.285° | 83.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.6 seismic event took place 27 km WNW of Anchor Point, Alaska on April 23, 2024 at 23:55 UTC. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-23 2024-04-23 23:30:27 UTC | 2.1ml | 16 km ENE of Hilltop, Texas 28.739°, -99.020° | 6.5 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.1 event was detected 16 km ENE of Hilltop, Texas on April 23, 2024, with origin time 23:30 UTC. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-23 2024-04-23 23:11:25 UTC | 2.1ml | 42 km WNW of Skwentna, Alaska 62.168°, -152.125° | 105.1 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.1 earthquake 42 km WNW of Skwentna, Alaska came in on April 23, 2024 at 23:11 UTC. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-23 2024-04-23 22:58:17 UTC | 2.1md | 10 km W of Rio Dell, CA 40.487°, -124.227° | 4.7 km | - | - | - | ✓ Reviewed | USGS → |
On April 23, 2024, worldwide seismic activity registered a magnitude 2.1 earthquake 10 km W of Rio Dell, CA at 22:58 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. | ||||||||
2024-04-23 2024-04-23 22:58:03 UTC | 2.7ml | 61 km SSW of Whites City, New Mexico 31.633°, -104.513° | 6.5 km | 1 | - | - | ✓ Reviewed | USGS → |
A magnitude 2.7 earthquake was recorded 61 km SSW of Whites City, New Mexico on April 23, 2024 at 22:58 UTC. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-23 2024-04-23 22:53:18 UTC | 2.4ml | 61 km SSW of Whites City, New Mexico 31.635°, -104.508° | 6.8 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.4 seismic event took place 61 km SSW of Whites City, New Mexico on April 23, 2024 at 22:53 UTC. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-23 2024-04-23 22:44:37 UTC | 4.5mb | 21 km NE of Hihifo, Tonga -15.820°, -173.652° | 69.9 km | - | - | - | ✓ Reviewed | USGS → |
On April 23, 2024 at 22:44 UTC, a magnitude 4.5 earthquake struck 21 km NE of Hihifo, Tonga. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-23 2024-04-23 22:44:30 UTC | 2.2ml | 63 km S of King Cove, Alaska 54.495°, -162.404° | 20.4 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.2 seismic event took place 63 km S of King Cove, Alaska on April 23, 2024 at 22:44 UTC. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-23 2024-04-23 22:44:27 UTC | 2.3ml | 64 km SSW of Whites City, New Mexico 31.612°, -104.532° | 6.5 km | - | - | - | ✓ Reviewed | USGS → |
At 22:44 UTC on April 23, 2024, a magnitude 2.3 tremor occurred 64 km SSW of Whites City, New Mexico. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-23 2024-04-23 22:42:24 UTC | 4.8mb | 195 km ENE of Levuka, Fiji -17.570°, -178.915° | 541.9 km | - | - | - | ✓ Reviewed | USGS → |
April 23, 2024 brought a magnitude 4.8 earthquake 195 km ENE of Levuka, Fiji, logged at 22:42 UTC. This is the deepest earthquake in the current dataset — a deep-focus event. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-23 2024-04-23 22:42:19 UTC | 2.4ml | 46 km NNW of Port Alexander, Alaska 56.602°, -135.065° | 4.0 km | - | - | - | ✓ Reviewed | USGS → |
April 23, 2024 brought a magnitude 2.4 earthquake 46 km NNW of Port Alexander, Alaska, logged at 22:42 UTC. 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. | ||||||||
2024-04-23 2024-04-23 22:42:06 UTC | 2.3ml | 5 km SSW of Redlands, CA 34.015°, -117.192° | 15.4 km | - | - | - | ✓ Reviewed | USGS → |
On April 23, 2024, worldwide seismic activity registered a magnitude 2.3 earthquake 5 km SSW of Redlands, CA at 22:42 UTC. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-23 2024-04-23 22:41:30 UTC | 3.3md | 64 km N of Culebra, Puerto Rico 18.883°, -65.340° | 22.5 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 3.3 earthquake 64 km N of Culebra, Puerto Rico with origin time 22:41 UTC on April 23, 2024. The event was offshore. See the M3.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-23 2024-04-23 21:01:19 UTC | 2.2ml | 18 km ESE of Julian, CA 33.041°, -116.417° | 14.7 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.2 earthquake 18 km ESE of Julian, CA with origin time 21:01 UTC on April 23, 2024. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-23 2024-04-23 21:00:44 UTC | 2.6ml | 14 km SSE of Fern Forest, Hawaii 19.343°, -155.100° | 6.1 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.6 earthquake 14 km SSE of Fern Forest, Hawaii with origin time 21:00 UTC on April 23, 2024. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-23 2024-04-23 20:44:24 UTC | 3.4ml | 266 km W of Adak, Alaska 51.538°, 179.548° | 66.1 km | - | - | - | ✓ Reviewed | USGS → |
On April 23, 2024 at 20:44 UTC, a magnitude 3.4 earthquake struck 266 km W of Adak, Alaska. The event was offshore. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-23 2024-04-23 20:38:36 UTC | 2.6ml | 7 km SW of Point MacKenzie, Alaska 61.304°, -150.070° | 38.6 km | 3 | - | - | ✓ Reviewed | USGS → |
April 23, 2024 brought a magnitude 2.6 earthquake 7 km SW of Point MacKenzie, Alaska, logged at 20:38 UTC. It arrived roughly 7 hours after a larger magnitude 2.7 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-23 2024-04-23 18:08:33 UTC | 4.5mb | 33 km ENE of Yigo Village, Guam 13.678°, 145.164° | 106.2 km | 1 | - | - | ✓ Reviewed | USGS → |
A magnitude 4.5 earthquake was recorded 33 km ENE of Yigo Village, Guam on April 23, 2024 at 18:08 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-23 2024-04-23 18:01:37 UTC | 2.8ml | 87 km SSW of Unalaska, Alaska 53.108°, -166.839° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.8 earthquake 87 km SSW of Unalaska, Alaska came in on April 23, 2024 at 18:01 UTC. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-23 2024-04-23 17:32:52 UTC | 4.4mb | 113 km S of Lajes das Flores, Portugal 38.369°, -30.989° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.4 earthquake was recorded 113 km S of Lajes das Flores, Portugal on April 23, 2024 at 17:32 UTC. This event falls inside the aftershock decay of a nearby magnitude 4.7 earthquake that occurred about 2 hours earlier. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-23 2024-04-23 17:29:02 UTC | 4.3mb | western Indian-Antarctic Ridge -49.996°, 114.314° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.3 seismic event took place near western Indian-Antarctic Ridge on April 23, 2024 at 17:29 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-23 2024-04-23 17:12:14 UTC | 4.0mwr | 24 km S of Hualien City, Taiwan 23.752°, 121.585° | 7.5 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.0 earthquake 24 km S of Hualien City, Taiwan came in on April 23, 2024 at 17:12 UTC. Coming 17 hours after a magnitude 5.8 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-23 2024-04-23 17:08:33 UTC | 3.3ml | 49 km SW of Rosarito, B.C., MX 32.056°, -117.439° | 17.6 km | 1 | - | - | ✓ Reviewed | USGS → |
On April 23, 2024, worldwide seismic activity registered a magnitude 3.3 earthquake 49 km SW of Rosarito, B.C., MX at 17:08 UTC. The event was offshore. See the M3.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-23 2024-04-23 17:01:58 UTC | 4.3mb | 4 km SW of Chiba, Japan 35.571°, 140.076° | 71.1 km | - | - | - | ✓ Reviewed | USGS → |
April 23, 2024 brought a magnitude 4.3 earthquake 4 km SW of Chiba, Japan, logged at 17:01 UTC. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-23 2024-04-23 16:08:04 UTC | 2.6ml | 3 km E of Falls City, Texas 28.979°, -97.987° | 8.6 km | 1 | - | - | ✓ Reviewed | USGS → |
On April 23, 2024 at 16:08 UTC, a magnitude 2.6 earthquake struck 3 km E of Falls City, Texas. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-23 2024-04-23 16:02:21 UTC | 4.5mwr | 11 km NE of Hualien City, Taiwan 24.038°, 121.697° | 7.4 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.5 earthquake 11 km NE of Hualien City, Taiwan with origin time 16:02 UTC on April 23, 2024. This event falls inside the aftershock decay of a nearby magnitude 5.0 earthquake that occurred about 16 hours earlier. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-23 2024-04-23 15:43:19 UTC | 4.7mb | 130 km S of Lajes das Flores, Portugal 38.207°, -30.998° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On April 23, 2024, worldwide seismic activity registered a magnitude 4.7 earthquake 130 km S of Lajes das Flores, Portugal at 15:43 UTC. This event falls inside the aftershock decay of a nearby magnitude 5.2 earthquake that occurred about 1 hours earlier. The event was offshore. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-23 2024-04-23 15:40:05 UTC | 5.2mww | 136 km SSE of Lajes das Flores, Portugal 38.171°, -30.850° | 17.6 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 5.2 earthquake 136 km SSE of Lajes das Flores, Portugal with origin time 15:40 UTC on April 23, 2024. See the M5.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-23 2024-04-23 15:29:57 UTC | 2.2ml | 7 km N of Smiths Ferry, Idaho 44.367°, -116.107° | 7.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.2 earthquake 7 km N of Smiths Ferry, Idaho came in on April 23, 2024 at 15:29 UTC. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-23 2024-04-23 15:20:33 UTC | 2.5md | 7 km SSW of Guánica, Puerto Rico 17.912°, -66.940° | 14.2 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.5 earthquake 7 km SSW of Guánica, Puerto Rico at 15:20 UTC on April 23, 2024. It arrived roughly 5 hours after a larger magnitude 2.8 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. | ||||||||
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 23, 2024. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.