Earthquakes on April 28, 2024
420
EARTHQUAKES on April 28, 2024
24-hour UTC period · USGS data
LARGEST: M5.2 — 156 km WSW of Houma, Tonga
172 km deep
Elevated activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
2
M4.0–4.9
46
M3.0–3.9
18
M2.0–2.9
66
M1.0–1.9
288
Activity Summary
420
Total earthquakes
~250
Daily average
Elevated
Activity level
2
M5.0+ events
Geographic Breakdown
By US State
Significant Earthquakes (M4.5+)
5.2
156 km WSW of Houma, Tonga
12:55 UTC · 172.0 km deep
5.0
30 km ENE of Massawa, Eritrea
00:37 UTC · 10.0 km deep
4.9
82 km N of Charlotte Amalie, U.S. Virgin Islands
12:23 UTC · 10.0 km deep
Felt by 31
4.8
89 km NW of Ollagüe, Chile
19:31 UTC · 114.0 km deep
Felt by 2
4.7
Pacific-Antarctic Ridge
22:08 UTC · 10.0 km deep
4.7
98 km SE of Yigo Village, Guam
10:23 UTC · 10.0 km deep
4.6
76 km WNW of Myitkyina, Myanmar
20:45 UTC · 10.0 km deep
Felt by 1
4.6
24 km E of Tomioka, Japan
16:16 UTC · 26.9 km deep
Earthquake Map — April 28, 2024
All Earthquakes — April 28, 2024
Showing 30 of 132 (filtered from 420)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2024-04-28 2024-04-28 23:26:38 UTC | 4.1mb | 78 km SE of La Tirana, Chile -20.848°, -69.139° | 108.4 km | - | - | - | ✓ Reviewed | USGS → |
On April 28, 2024 at 23:26 UTC, a magnitude 4.1 earthquake struck 78 km SE of La Tirana, Chile. The event was offshore. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-28 2024-04-28 23:22:18 UTC | 4.2mb | 102 km W of San Antonio de los Cobres, Argentina -24.351°, -67.315° | 184.6 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.2 earthquake 102 km W of San Antonio de los Cobres, Argentina at 23:22 UTC on April 28, 2024. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-28 2024-04-28 22:51:56 UTC | 2.0ml | 161 km S of Yakutat, Alaska 58.110°, -139.338° | 2.5 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.0 event was detected 161 km S of Yakutat, Alaska on April 28, 2024, with origin time 22:51 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. | ||||||||
2024-04-28 2024-04-28 22:49:09 UTC | 2.6ml | 88 km ESE of Red Dog Mine, Alaska 67.852°, -160.826° | 2.6 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.6 event was detected 88 km ESE of Red Dog Mine, Alaska on April 28, 2024, with origin time 22:49 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.7 earthquake that occurred about 19 hours earlier. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-28 2024-04-28 22:41:39 UTC | 4.5mb | 140 km WNW of Ambon, Indonesia -3.404°, 126.954° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 22:41 UTC on April 28, 2024, a magnitude 4.5 tremor occurred 140 km WNW of Ambon, Indonesia. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-28 2024-04-28 22:08:46 UTC | 4.7mb | Pacific-Antarctic Ridge -56.765°, -141.160° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 22:08 UTC on April 28, 2024, a magnitude 4.7 tremor occurred near Pacific-Antarctic Ridge. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-28 2024-04-28 22:03:14 UTC | 2.1ml | 6 km SSW of Volcano, Hawaii 19.388°, -155.247° | 1.6 km | - | - | - | ✓ Reviewed | USGS → |
At 22:03 UTC on April 28, 2024, a magnitude 2.1 tremor occurred 6 km SSW of Volcano, Hawaii. Coming 14 hours after a magnitude 2.6 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. 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. | ||||||||
2024-04-28 2024-04-28 22:01:23 UTC | 3.1md | 7 km SSW of Tallaboa, Puerto Rico 17.931°, -66.743° | 7.0 km | 1 | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 3.1 earthquake 7 km SSW of Tallaboa, Puerto Rico at 22:01 UTC on April 28, 2024. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-28 2024-04-28 21:48:20 UTC | 2.9ml | 140 km SE of Akutan, Alaska 53.126°, -164.504° | 27.3 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.9 event was detected 140 km SE of Akutan, Alaska on April 28, 2024, with origin time 21:48 UTC. The event was offshore. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-28 2024-04-28 21:40:46 UTC | 2.4md | 13 km ESE of Redway, CA 40.078°, -123.686° | 22.6 km | - | - | - | ✓ Reviewed | USGS → |
At 21:40 UTC on April 28, 2024, a magnitude 2.4 tremor occurred 13 km ESE of Redway, CA. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-28 2024-04-28 21:36:54 UTC | 2.1md | 5 km WNW of The Geysers, CA 38.792°, -122.808° | 3.0 km | - | - | - | ✓ Reviewed | USGS → |
April 28, 2024 brought a magnitude 2.1 earthquake 5 km WNW of The Geysers, CA, logged at 21:36 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. | ||||||||
2024-04-28 2024-04-28 21:33:28 UTC | 4.2mb | 17 km E of Altınyayla, Turkey 36.983°, 29.747° | 8.6 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.2 event was detected 17 km E of Altınyayla, Turkey on April 28, 2024, with origin time 21:33 UTC. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-28 2024-04-28 21:31:05 UTC | 4.3mb | 43 km W of San Antonio de los Cobres, Argentina -24.264°, -66.749° | 193.7 km | - | - | - | ✓ Reviewed | USGS → |
At 21:31 UTC on April 28, 2024, a magnitude 4.3 tremor occurred 43 km W of San Antonio de los Cobres, Argentina. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-28 2024-04-28 21:28:33 UTC | 2.5ml | 84 km SSE of Adak, Alaska 51.142°, -176.298° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.5 earthquake was recorded 84 km SSE of Adak, Alaska on April 28, 2024 at 21:28 UTC. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-28 2024-04-28 21:06:57 UTC | 2.1md | 13 km S of Fern Forest, Hawaii 19.339°, -155.135° | -0.1 km | - | - | - | Auto | USGS → |
Reports of a magnitude 2.1 earthquake 13 km S of Fern Forest, Hawaii came in on April 28, 2024 at 21:06 UTC. It arrived roughly 14 hours after a larger magnitude 2.6 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 M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-28 2024-04-28 20:45:38 UTC | 4.6mb | 76 km WNW of Myitkyina, Myanmar 25.522°, 96.647° | 10.0 km | 1 | - | - | ✓ Reviewed | USGS → |
This magnitude 4.6 event was detected 76 km WNW of Myitkyina, Myanmar on April 28, 2024, with origin time 20:45 UTC. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-28 2024-04-28 20:34:39 UTC | 4.4mb | 158 km SE of Şalālah, Oman 16.072°, 55.213° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.4 earthquake 158 km SE of Şalālah, Oman came in on April 28, 2024 at 20:34 UTC. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-28 2024-04-28 20:20:17 UTC | 4.5mwr | 64 km NNE of Calama, Chile -21.924°, -68.680° | 109.4 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.5 earthquake 64 km NNE of Calama, Chile at 20:20 UTC on April 28, 2024. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-28 2024-04-28 20:13:08 UTC | 2.0md | 6 km S of Volcano, Hawaii 19.387°, -155.244° | 1.8 km | - | - | - | Auto | USGS → |
At 20:13 UTC on April 28, 2024, a magnitude 2.0 tremor occurred 6 km S of Volcano, Hawaii. This event falls inside the aftershock decay of a nearby magnitude 2.6 earthquake that occurred about 13 hours earlier. 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. | ||||||||
2024-04-28 2024-04-28 20:05:56 UTC | 2.0ml | 6 km S of Volcano, Hawaii 19.389°, -155.245° | 1.2 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.0 earthquake 6 km S of Volcano, Hawaii came in on April 28, 2024 at 20:05 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.6 earthquake that occurred about 13 hours earlier. 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. | ||||||||
2024-04-28 2024-04-28 20:04:09 UTC | 3.7mb | Maug Islands region, Northern Mariana Islands 19.547°, 145.014° | 239.4 km | - | - | - | ✓ Reviewed | USGS → |
On April 28, 2024 at 20:04 UTC, a magnitude 3.7 earthquake struck in the Maug Islands region, Northern Mariana Islands. See the M3.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-28 2024-04-28 19:42:21 UTC | 3.5md | 74 km N of Charlotte Amalie, U.S. Virgin Islands 19.007°, -64.819° | 13.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 3.5 earthquake 74 km N of Charlotte Amalie, U.S. Virgin Islands at 19:42 UTC on April 28, 2024. This event falls inside the aftershock decay of a nearby magnitude 4.9 earthquake that occurred about 7 hours earlier. The event was offshore. See the M3.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-28 2024-04-28 19:31:28 UTC | 4.8mb | 89 km NW of Ollagüe, Chile -20.596°, -68.789° | 114.0 km | 2 | - | - | ✓ Reviewed | USGS → |
On April 28, 2024, worldwide seismic activity registered a magnitude 4.8 earthquake 89 km NW of Ollagüe, Chile at 19:31 UTC. The event was offshore. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-28 2024-04-28 19:19:00 UTC | 3.6md | 68 km NNE of Cruz Bay, U.S. Virgin Islands 18.941°, -64.664° | 56.0 km | - | - | - | ✓ Reviewed | USGS → |
At 19:19 UTC on April 28, 2024, a magnitude 3.6 tremor occurred 68 km NNE of Cruz Bay, U.S. Virgin Islands. It arrived roughly 2 hours after a larger magnitude 3.7 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M3.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-28 2024-04-28 19:14:55 UTC | 2.2ml | 55 km SSW of Nikolski, Alaska 52.499°, -169.237° | 23.8 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.2 event was detected 55 km SSW of Nikolski, Alaska on April 28, 2024, with origin time 19:14 UTC. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-28 2024-04-28 18:54:57 UTC | 2.3md | 3 km E of Prattville, CA 40.213°, -121.124° | 3.7 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.3 seismic event took place 3 km E of Prattville, CA on April 28, 2024 at 18:54 UTC. 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. | ||||||||
2024-04-28 2024-04-28 18:11:29 UTC | 2.8ml | 55 km S of Whites City, New Mexico 31.685°, -104.287° | 8.4 km | - | - | - | ✓ Reviewed | USGS → |
April 28, 2024 brought a magnitude 2.8 earthquake 55 km S of Whites City, New Mexico, logged at 18:11 UTC. The event was offshore. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-28 2024-04-28 17:40:57 UTC | 2.1ml | 27 km SSW of Ocotillo Wells, CA 32.918°, -116.242° | 7.9 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.1 earthquake 27 km SSW of Ocotillo Wells, CA at 17:40 UTC on April 28, 2024. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-28 2024-04-28 17:40:21 UTC | 4.4mwr | 17 km NNE of Hualien City, Taiwan 24.116°, 121.692° | 39.7 km | 2 | - | - | ✓ Reviewed | USGS → |
A magnitude 4.4 seismic event took place 17 km NNE of Hualien City, Taiwan on April 28, 2024 at 17:40 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-04-28 2024-04-28 17:37:34 UTC | 2.0ml | 138 km SE of Akutan, Alaska 53.257°, -164.298° | 25.2 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.0 seismic event took place 138 km SE of Akutan, Alaska on April 28, 2024 at 17:37 UTC. The event was offshore. See the M2.0 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 28, 2024. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.