Earthquakes on July 28, 2024
276
EARTHQUAKES on July 28, 2024
24-hour UTC period · USGS data
LARGEST: M5.4 — South Indian Ocean
10 km deep
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
6
M4.0–4.9
30
M3.0–3.9
12
M2.0–2.9
58
M1.0–1.9
170
Activity Summary
276
Total earthquakes
~250
Daily average
Normal
Activity level
6
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
5.4
South Indian Ocean
22:13 UTC · 10.0 km deep
5.3
147 km E of Yamada, Japan
10:13 UTC · 10.0 km deep
5.2
Banda Sea
11:20 UTC · 146.7 km deep
Felt by 1
5.1
129 km ESE of Saipan, Northern Mariana Islands
14:19 UTC · 10.0 km deep
5.1
53 km NNE of Kon Tum, Vietnam
04:35 UTC · 8.1 km deep
Felt by 72
5.0
Kermadec Islands, New Zealand
22:43 UTC · 10.0 km deep
4.9
south of the Fiji Islands
04:45 UTC · 10.0 km deep
4.9
east of the Kuril Islands
01:58 UTC · 10.0 km deep
Earthquake Map — July 28, 2024
All Earthquakes — July 28, 2024
Showing 30 of 106 (filtered from 276)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2024-07-28 2024-07-28 23:58:43 UTC | 2.6md | 11 km SSE of Suisun City, CA 38.159°, -121.960° | 22.9 km | 5 | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.6 earthquake 11 km SSE of Suisun City, CA with origin time 23:58 UTC on July 28, 2024. Coming 3 hours after a magnitude 3.1 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-28 2024-07-28 23:45:54 UTC | 4.1mb | south of the Fiji Islands -24.284°, 179.988° | 496.9 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.1 earthquake south of the Fiji Islands came in on July 28, 2024 at 23:45 UTC. It arrived roughly 14 hours after a larger magnitude 4.3 mainshock in the same 20 km area, placing it within the typical aftershock window. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-28 2024-07-28 22:43:53 UTC | 5.0mb | Kermadec Islands, New Zealand -30.110°, -177.290° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 5.0 earthquake near Kermadec Islands, New Zealand at 22:43 UTC on July 28, 2024. See the M5.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-28 2024-07-28 22:38:15 UTC | 2.2ml | 9 km NE of Pāhala, Hawaii 19.256°, -155.408° | 33.8 km | - | - | - | Auto | USGS → |
This magnitude 2.2 event was detected 9 km NE of Pāhala, Hawaii on July 28, 2024, with origin time 22:38 UTC. Coming 12 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 M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-28 2024-07-28 22:13:08 UTC | 5.4mww | South Indian Ocean -37.128°, 52.255° | 10.0 km | - | - | green | ✓ Reviewed | USGS → |
On July 28, 2024 at 22:13 UTC, a magnitude 5.4 earthquake struck near South Indian Ocean. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. It is the largest earthquake currently listed for worldwide seismic activity on July 28, 2024. See the M5.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-28 2024-07-28 22:06:15 UTC | 3.3ml | 21 km S of Adak, Alaska 51.678°, -176.610° | 79.3 km | - | - | - | ✓ Reviewed | USGS → |
On July 28, 2024 at 22:06 UTC, a magnitude 3.3 earthquake struck 21 km S of Adak, Alaska. The event was offshore. See the M3.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-28 2024-07-28 22:05:41 UTC | 2.2ml | 10 km ENE of Pāhala, Hawaii 19.223°, -155.377° | 30.0 km | - | - | - | Auto | USGS → |
Reports of a magnitude 2.2 earthquake 10 km ENE of Pāhala, Hawaii came in on July 28, 2024 at 22:05 UTC. It arrived roughly 12 hours after a larger magnitude 2.3 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-28 2024-07-28 22:03:53 UTC | 2.2ml | 72 km SW of Covenant Life, Alaska 59.032°, -137.047° | 11.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.2 earthquake 72 km SW of Covenant Life, Alaska with origin time 22:03 UTC on July 28, 2024. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-28 2024-07-28 21:49:11 UTC | 4.0mb | 148 km E of Yamada, Japan 39.413°, 143.673° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On July 28, 2024, worldwide seismic activity registered a magnitude 4.0 earthquake 148 km E of Yamada, Japan at 21:49 UTC. It arrived roughly 12 hours after a larger magnitude 5.3 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-28 2024-07-28 21:47:22 UTC | 4.3mb | central Mid-Atlantic Ridge 3.047°, -31.403° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.3 earthquake near central Mid-Atlantic Ridge at 21:47 UTC on July 28, 2024. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-28 2024-07-28 21:45:06 UTC | 2.8ml | 49 km WNW of Happy Valley, Alaska 60.099°, -152.562° | 93.9 km | 1 | - | - | ✓ Reviewed | USGS → |
On July 28, 2024 at 21:45 UTC, a magnitude 2.8 earthquake struck 49 km WNW of Happy Valley, Alaska. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-28 2024-07-28 21:38:11 UTC | 2.3md | 7 km SSE of Manila, Arkansas 35.818°, -90.149° | 11.5 km | 2 | - | - | ✓ Reviewed | USGS → |
July 28, 2024 brought a magnitude 2.3 earthquake 7 km SSE of Manila, Arkansas, logged at 21:38 UTC. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-28 2024-07-28 21:34:33 UTC | 2.6ml | 5 km SSW of Volcano, Hawaii 19.392°, -155.250° | 1.4 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.6 seismic event took place 5 km SSW of Volcano, Hawaii on July 28, 2024 at 21:34 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.8 earthquake that occurred about 7 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. | ||||||||
2024-07-28 2024-07-28 21:00:13 UTC | 3.1ml | 11 km SSE of Suisun City, CA 38.160°, -121.957° | 23.4 km | 192 | - | - | ✓ Reviewed | USGS → |
At 21:00 UTC on July 28, 2024, a magnitude 3.1 tremor occurred 11 km SSE of Suisun City, CA. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-28 2024-07-28 18:50:18 UTC | 2.8mb_lg | 6 km W of Gardiner, Maine 44.234°, -69.861° | 8.1 km | 1,226 | - | - | ✓ Reviewed | USGS → |
A magnitude 2.8 earthquake was recorded 6 km W of Gardiner, Maine on July 28, 2024 at 18:50 UTC. The event was offshore. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-28 2024-07-28 18:39:32 UTC | 2.2ml | 49 km SSE of Nelchina, Alaska 61.605°, -146.325° | 22.4 km | - | - | - | ✓ Reviewed | USGS → |
On July 28, 2024, worldwide seismic activity registered a magnitude 2.2 earthquake 49 km SSE of Nelchina, Alaska at 18:39 UTC. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-28 2024-07-28 18:03:35 UTC | 2.5md | 11 km NNE of Tahoe Vista, CA 39.340°, -120.025° | 2.7 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.5 seismic event took place 11 km NNE of Tahoe Vista, CA on July 28, 2024 at 18:03 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-28 2024-07-28 18:02:23 UTC | 2.5ml | 50 km ESE of Perryville, Alaska 55.745°, -158.396° | 47.1 km | - | - | - | ✓ Reviewed | USGS → |
On July 28, 2024, worldwide seismic activity registered a magnitude 2.5 earthquake 50 km ESE of Perryville, Alaska at 18:02 UTC. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-28 2024-07-28 17:43:38 UTC | 2.0ml | 45 km SE of Perryville, Alaska 55.585°, -158.713° | 44.7 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.0 earthquake 45 km SE of Perryville, Alaska came in on July 28, 2024 at 17:43 UTC. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-28 2024-07-28 17:26:14 UTC | 2.0ml | 29 km S of Atka, Alaska 51.938°, -174.280° | 58.8 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.0 seismic event took place 29 km S of Atka, Alaska on July 28, 2024 at 17:26 UTC. Coming 6 hours after a magnitude 3.0 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. | ||||||||
2024-07-28 2024-07-28 17:07:04 UTC | 4.6mb | 146 km NE of Lospalos, Timor Leste -7.494°, 127.833° | 165.8 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.6 earthquake was recorded 146 km NE of Lospalos, Timor Leste on July 28, 2024 at 17:07 UTC. The event was offshore. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-28 2024-07-28 16:49:57 UTC | 2.1ml | 21 km S of Volcano, Hawaii 19.253°, -155.196° | 0.4 km | - | - | - | ✓ Reviewed | USGS → |
At 16:49 UTC on July 28, 2024, a magnitude 2.1 tremor occurred 21 km S of Volcano, Hawaii. This event falls inside the aftershock decay of a nearby magnitude 2.8 earthquake that occurred about 2 hours earlier. 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. | ||||||||
2024-07-28 2024-07-28 16:15:45 UTC | 4.2mb | northern Mid-Atlantic Ridge 14.870°, -44.850° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.2 earthquake near northern Mid-Atlantic Ridge with origin time 16:15 UTC on July 28, 2024. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-28 2024-07-28 15:56:15 UTC | 2.1md | 7 km NNE of Pāhala, Hawaii 19.270°, -155.455° | 29.8 km | - | - | - | Auto | USGS → |
On July 28, 2024, worldwide seismic activity registered a magnitude 2.1 earthquake 7 km NNE of Pāhala, Hawaii at 15:56 UTC. It arrived roughly 6 hours after a larger magnitude 2.3 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. | ||||||||
2024-07-28 2024-07-28 15:24:32 UTC | 2.5ml | 86 km SSW of Nikolski, Alaska 52.294°, -169.575° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
At 15:24 UTC on July 28, 2024, a magnitude 2.5 tremor occurred 86 km SSW of Nikolski, Alaska. This event falls inside the aftershock decay of a nearby magnitude 4.1 earthquake that occurred about 12 hours earlier. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-28 2024-07-28 15:13:05 UTC | 4.3mb | 4 km WNW of Serinyol, Turkey 36.372°, 36.163° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.3 event was detected 4 km WNW of Serinyol, Turkey on July 28, 2024, with origin time 15:13 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-28 2024-07-28 14:53:39 UTC | 2.6ml | Rat Islands, Aleutian Islands, Alaska 51.827°, 178.048° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
July 28, 2024 brought a magnitude 2.6 earthquake near Rat Islands, Aleutian Islands, Alaska, logged at 14:53 UTC. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-28 2024-07-28 14:40:04 UTC | 4.0mb | Kermadec Islands, New Zealand -30.119°, -177.589° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 14:40 UTC on July 28, 2024, a magnitude 4.0 tremor occurred near Kermadec Islands, New Zealand. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-28 2024-07-28 14:39:51 UTC | 2.5ml | 66 km WNW of Ninilchik, Alaska 60.281°, -152.765° | 100.3 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.5 earthquake 66 km WNW of Ninilchik, Alaska at 14:39 UTC on July 28, 2024. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-28 2024-07-28 14:36:23 UTC | 2.8ml | 6 km S of Volcano, Hawaii 19.386°, -155.242° | 1.8 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.8 earthquake 6 km S of Volcano, Hawaii with origin time 14:36 UTC on July 28, 2024. In the 72 hours after this event, the USGS recorded 5 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M2.8 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 July 28, 2024. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.