Earthquakes on April 20, 2024
340
EARTHQUAKES on April 20, 2024
24-hour UTC period · USGS data
490 km deep
Elevated activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
1
M4.0–4.9
35
M3.0–3.9
12
M2.0–2.9
59
M1.0–1.9
233
Activity Summary
340
Total earthquakes
~250
Daily average
Elevated
Activity level
1
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
5.0
207 km NNW of Saipan, Northern Mariana Islands
03:42 UTC · 489.7 km deep
4.9
4 km ESE of Hidalgo, Mexico
14:09 UTC · 100.9 km deep
Felt by 2
4.9
63 km ENE of Kinablangan, Philippines
02:22 UTC · 10.0 km deep
4.7
126 km ESE of Neiafu, Tonga
18:43 UTC · 23.6 km deep
4.6
southeast of the Loyalty Islands
20:09 UTC · 58.0 km deep
4.6
southeast Indian Ridge
17:34 UTC · 10.0 km deep
4.6
15 km WNW of Villa Basilio Nievas, Argentina
02:37 UTC · 112.3 km deep
Felt by 1
4.6
western Xizang
01:44 UTC · 10.0 km deep
Earthquake Map — April 20, 2024
All Earthquakes — April 20, 2024
Showing 30 of 107 (filtered from 340)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2024-04-20 2024-04-20 23:50:49 UTC | 2.1ml | 34 km SE of Malaga, New Mexico 32.004°, -103.818° | 7.5 km | - | - | - | ✓ Reviewed | USGS → |
On April 20, 2024, worldwide seismic activity registered a magnitude 2.1 earthquake 34 km SE of Malaga, New Mexico at 23:50 UTC. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-20 2024-04-20 23:35:14 UTC | 2.1ml | 61 km S of Shungnak, Alaska 66.346°, -157.394° | 6.6 km | - | - | - | ✓ Reviewed | USGS → |
At 23:35 UTC on April 20, 2024, a magnitude 2.1 tremor occurred 61 km S of Shungnak, Alaska. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-20 2024-04-20 23:09:15 UTC | 2.1ml | 12 km ENE of Fox, Alaska 64.985°, -147.362° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.1 earthquake 12 km ENE of Fox, Alaska at 23:09 UTC on April 20, 2024. 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. | ||||||||
2024-04-20 2024-04-20 22:03:10 UTC | 2.3md | 4 km SW of Home Garden, CA 36.280°, -119.675° | 23.2 km | 1 | - | - | ✓ Reviewed | USGS → |
A magnitude 2.3 earthquake was recorded 4 km SW of Home Garden, CA on April 20, 2024 at 22:03 UTC. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-20 2024-04-20 22:02:12 UTC | 4.4mb | 99 km SSE of Kieta, Papua New Guinea -6.985°, 156.090° | 10.1 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.4 earthquake was recorded 99 km SSE of Kieta, Papua New Guinea on April 20, 2024 at 22:02 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-20 2024-04-20 21:42:46 UTC | 2.0ml | Rat Islands, Aleutian Islands, Alaska 51.906°, 178.314° | 6.6 km | - | - | - | ✓ Reviewed | USGS → |
On April 20, 2024 at 21:42 UTC, a magnitude 2.0 earthquake struck near Rat Islands, Aleutian Islands, Alaska. This event falls inside the aftershock decay of a nearby magnitude 2.6 earthquake that occurred about 1 hours earlier. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-20 2024-04-20 21:34:04 UTC | 3.4ml | 27 km NNW of Petersville, Alaska 62.721°, -151.001° | 85.9 km | 2 | - | - | ✓ Reviewed | USGS → |
April 20, 2024 brought a magnitude 3.4 earthquake 27 km NNW of Petersville, Alaska, logged at 21:34 UTC. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-20 2024-04-20 21:30:47 UTC | 4.5mb | 276 km NNE of Lospalos, Timor Leste -6.429°, 128.373° | 286.1 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.5 seismic event took place 276 km NNE of Lospalos, Timor Leste on April 20, 2024 at 21:30 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-20 2024-04-20 21:19:45 UTC | 2.1ml | 109 km SSE of Akutan, Alaska 53.236°, -165.110° | 21.4 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.1 event was detected 109 km SSE of Akutan, Alaska on April 20, 2024, with origin time 21:19 UTC. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-20 2024-04-20 21:17:09 UTC | 2.0md | 11 km NE of Pāhala, Hawaii 19.273°, -155.400° | 31.5 km | - | - | - | Auto | USGS → |
A magnitude 2.0 seismic event took place 11 km NE of Pāhala, Hawaii on April 20, 2024 at 21:17 UTC. Coming 10 hours after a magnitude 2.3 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-20 2024-04-20 21:17:00 UTC | 2.6ml | Rat Islands, Aleutian Islands, Alaska 51.877°, 178.207° | 11.6 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.6 event was detected near Rat Islands, Aleutian Islands, Alaska on April 20, 2024, with origin time 21:17 UTC. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-20 2024-04-20 20:10:55 UTC | 2.3md | 2 km SSW of Pāhala, Hawaii 19.178°, -155.488° | 31.4 km | - | - | - | Auto | USGS → |
Seismographs logged a magnitude 2.3 earthquake 2 km SSW of Pāhala, Hawaii with origin time 20:10 UTC on April 20, 2024. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-20 2024-04-20 20:09:24 UTC | 4.6mb | southeast of the Loyalty Islands -22.427°, 170.978° | 58.0 km | - | - | - | ✓ Reviewed | USGS → |
At 20:09 UTC on April 20, 2024, a magnitude 4.6 tremor occurred southeast of the Loyalty Islands. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-20 2024-04-20 19:57:59 UTC | 4.2mb | 122 km SW of Merizo Village, Guam 12.361°, 144.017° | 25.7 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.2 earthquake 122 km SW of Merizo Village, Guam at 19:57 UTC on April 20, 2024. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-20 2024-04-20 19:38:24 UTC | 2.1ml | 37 km SE of Mina, Nevada 38.185°, -117.768° | 12.3 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.1 earthquake 37 km SE of Mina, Nevada came in on April 20, 2024 at 19:38 UTC. It arrived roughly 11 hours after a larger magnitude 2.8 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. | ||||||||
2024-04-20 2024-04-20 19:14:16 UTC | 2.2ml | 31 km NNW of Chickaloon, Alaska 62.061°, -148.665° | 1.4 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.2 earthquake 31 km NNW of Chickaloon, Alaska came in on April 20, 2024 at 19:14 UTC. 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. | ||||||||
2024-04-20 2024-04-20 19:11:15 UTC | 2.5ml | 10 km NE of Coso Junction, CA 36.119°, -117.885° | 7.4 km | - | - | - | ✓ Reviewed | USGS → |
On April 20, 2024, worldwide seismic activity registered a magnitude 2.5 earthquake 10 km NE of Coso Junction, CA at 19:11 UTC. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-20 2024-04-20 18:57:56 UTC | 2.0md | 12 km SSW of Mineral, CA 40.264°, -121.633° | 8.4 km | - | - | - | ✓ Reviewed | USGS → |
April 20, 2024 brought a magnitude 2.0 earthquake 12 km SSW of Mineral, CA, logged at 18:57 UTC. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-20 2024-04-20 18:43:06 UTC | 4.7mb | 126 km ESE of Neiafu, Tonga -19.243°, -172.956° | 23.6 km | - | - | - | ✓ Reviewed | USGS → |
On April 20, 2024, worldwide seismic activity registered a magnitude 4.7 earthquake 126 km ESE of Neiafu, Tonga at 18:43 UTC. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-20 2024-04-20 18:36:47 UTC | 3.0ml | 187 km W of Bandon, Oregon 43.304°, -126.696° | 16.5 km | - | - | - | ✓ Reviewed | USGS → |
At 18:36 UTC on April 20, 2024, a magnitude 3.0 tremor occurred 187 km W of Bandon, Oregon. The event was offshore. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-20 2024-04-20 18:23:45 UTC | 4.2mb | 37 km WSW of Andacollo, Argentina -37.263°, -71.080° | 140.1 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.2 event was detected 37 km WSW of Andacollo, Argentina on April 20, 2024, with origin time 18:23 UTC. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-20 2024-04-20 18:01:55 UTC | 4.4mb | 16 km ESE of Khowy, Iran 38.489°, 45.121° | 18.9 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.4 earthquake 16 km ESE of Khowy, Iran with origin time 18:01 UTC on April 20, 2024. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-20 2024-04-20 17:49:34 UTC | 4.3mb | south of the Fiji Islands -26.971°, -176.399° | 20.3 km | - | - | - | ✓ Reviewed | USGS → |
April 20, 2024 brought a magnitude 4.3 earthquake south of the Fiji Islands, logged at 17:49 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-20 2024-04-20 17:34:32 UTC | 4.6mb | southeast Indian Ridge -45.972°, 95.391° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.6 earthquake near southeast Indian Ridge at 17:34 UTC on April 20, 2024. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-20 2024-04-20 16:55:30 UTC | 4.0mb | 276 km WNW of Houma, Tonga -19.952°, -177.619° | 365.2 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.0 earthquake 276 km WNW of Houma, Tonga at 16:55 UTC on April 20, 2024. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-20 2024-04-20 16:54:08 UTC | 4.1mb | 46 km S of Ollagüe, Chile -21.642°, -68.317° | 122.5 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.1 seismic event took place 46 km S of Ollagüe, Chile on April 20, 2024 at 16:54 UTC. The event was offshore. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-20 2024-04-20 16:48:42 UTC | 2.0ml | 57 km W of Adak, Alaska 51.777°, -177.457° | 6.3 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.0 earthquake was recorded 57 km W of Adak, Alaska on April 20, 2024 at 16:48 UTC. Coming 10 hours after a magnitude 3.8 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-20 2024-04-20 16:46:37 UTC | 4.1mb | 50 km ESE of Bāndarban, Bangladesh 21.981°, 92.651° | 44.9 km | - | - | - | ✓ Reviewed | USGS → |
April 20, 2024 brought a magnitude 4.1 earthquake 50 km ESE of Bāndarban, Bangladesh, logged at 16:46 UTC. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-20 2024-04-20 16:12:28 UTC | 2.2ml | 5 km SW of Coso Junction, CA 36.007°, -117.984° | 3.7 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.2 event was detected 5 km SW of Coso Junction, CA on April 20, 2024, with origin time 16:12 UTC. 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. | ||||||||
2024-04-20 2024-04-20 16:11:36 UTC | 2.1ml | 59 km WSW of Adak, Alaska 51.752°, -177.472° | 13.2 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.1 seismic event took place 59 km WSW of Adak, Alaska on April 20, 2024 at 16:11 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.8 earthquake that occurred about 10 hours earlier. See the M2.1 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 20, 2024. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.