Earthquakes on September 28, 2024
254
EARTHQUAKES on September 28, 2024
24-hour UTC period · USGS data
LARGEST: M5.2 — Volcano Islands, Japan region
87 km deep
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
3
M4.0–4.9
35
M3.0–3.9
16
M2.0–2.9
49
M1.0–1.9
151
Activity Summary
254
Total earthquakes
~250
Daily average
Normal
Activity level
3
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
5.2
Volcano Islands, Japan region
12:32 UTC · 86.5 km deep
5.1
167 km SSW of Alo, Wallis and Futuna
16:52 UTC · 10.0 km deep
5.1
169 km WSW of Pistol River, Oregon
03:04 UTC · 14.7 km deep
Felt by 12
4.9
Lomonosov Ridge
15:43 UTC · 10.0 km deep
4.9
82 km SW of Kirakira, Solomon Islands
15:40 UTC · 19.1 km deep
4.7
37 km WNW of Filiatrá, Greece
12:18 UTC · 11.4 km deep
Felt by 10
4.6
60 km NNW of Dibulla, Colombia
19:13 UTC · 10.0 km deep
4.6
Mid-Indian Ridge
18:55 UTC · 10.0 km deep
Earthquake Map — September 28, 2024

All Earthquakes — September 28, 2024
Showing 30 of 103 (filtered from 254)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2024-09-28 2024-09-28 23:18:20 UTC | 4.0mb | 14 km S of Koloni, Cyprus 34.618°, 32.480° | 10.0 km | 2 | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.0 earthquake 14 km S of Koloni, Cyprus at 23:18 UTC on September 28, 2024. The event was offshore. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-09-28 2024-09-28 23:11:47 UTC | 3.1ml | 7 km NW of Glen Avon, CA 34.061°, -117.537° | 14.6 km | 170 | II | - | ✓ Reviewed | USGS → |
September 28, 2024 brought a magnitude 3.1 earthquake 7 km NW of Glen Avon, CA, logged at 23:11 UTC. The event was offshore. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-09-28 2024-09-28 22:30:10 UTC | 2.8ml | 93 km SSE of Adak, Alaska 51.071°, -176.259° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.8 seismic event took place 93 km SSE of Adak, Alaska on September 28, 2024 at 22:30 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.9 earthquake that occurred about 4 hours earlier. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-09-28 2024-09-28 22:29:59 UTC | 4.4mb | 187 km N of Likisá, Timor Leste -6.900°, 125.170° | 528.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.4 event was detected 187 km N of Likisá, Timor Leste on September 28, 2024, with origin time 22:29 UTC. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-09-28 2024-09-28 22:21:27 UTC | 2.0ml | 5 km N of Eagle River, Alaska 61.373°, -149.548° | 27.0 km | 1 | - | - | ✓ Reviewed | USGS → |
A magnitude 2.0 earthquake was recorded 5 km N of Eagle River, Alaska on September 28, 2024 at 22:21 UTC. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-09-28 2024-09-28 22:15:04 UTC | 2.4md | 3 km SSW of Maricao, Puerto Rico 18.156°, -66.995° | 21.5 km | - | - | - | ✓ Reviewed | USGS → |
September 28, 2024 brought a magnitude 2.4 earthquake 3 km SSW of Maricao, Puerto Rico, logged at 22:15 UTC. It arrived roughly 1 hours after a larger magnitude 2.7 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. | ||||||||
2024-09-28 2024-09-28 22:12:29 UTC | 2.7md | 2 km SW of Maricao, Puerto Rico 18.166°, -66.993° | 16.9 km | - | - | - | ✓ Reviewed | USGS → |
On September 28, 2024 at 22:12 UTC, a magnitude 2.7 earthquake struck 2 km SW of Maricao, Puerto Rico. The event was offshore. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-09-28 2024-09-28 22:05:16 UTC | 2.5mb_lg | 5 km SSW of Bogue, Kansas 39.318°, -99.709° | 9.7 km | - | - | - | ✓ Reviewed | USGS → |
On September 28, 2024, worldwide seismic activity registered a magnitude 2.5 earthquake 5 km SSW of Bogue, Kansas at 22:05 UTC. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-09-28 2024-09-28 21:58:04 UTC | 2.3md | 11 km NNE of Bonadelle Ranchos-Madera Ranchos, CA 37.078°, -119.845° | 25.6 km | - | - | - | ✓ Reviewed | USGS → |
At 21:58 UTC on September 28, 2024, a magnitude 2.3 tremor occurred 11 km NNE of Bonadelle Ranchos-Madera Ranchos, CA. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-09-28 2024-09-28 21:55:04 UTC | 2.1ml | 94 km SSE of False Pass, Alaska 54.029°, -163.047° | 17.1 km | - | - | - | ✓ Reviewed | USGS → |
At 21:55 UTC on September 28, 2024, a magnitude 2.1 tremor occurred 94 km SSE of False Pass, Alaska. It arrived roughly 1 hours after a larger magnitude 2.2 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. | ||||||||
2024-09-28 2024-09-28 21:45:28 UTC | 2.3ml | 103 km SE of Ugashik, Alaska 56.908°, -156.104° | 81.7 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.3 earthquake 103 km SE of Ugashik, Alaska with origin time 21:45 UTC on September 28, 2024. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-09-28 2024-09-28 21:38:18 UTC | 3.1ml | 9 km WSW of Malibu, CA 33.968°, -118.901° | 13.8 km | 172 | II | - | ✓ Reviewed | USGS → |
On September 28, 2024 at 21:38 UTC, a magnitude 3.1 earthquake struck 9 km WSW of Malibu, CA. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-09-28 2024-09-28 21:25:39 UTC | 2.0md | 7 km NNE of Pāhala, Hawaii 19.265°, -155.447° | 30.7 km | - | - | - | Auto | USGS → |
On September 28, 2024 at 21:25 UTC, a magnitude 2.0 earthquake struck 7 km NNE of Pāhala, Hawaii. It arrived roughly 9 hours after a larger magnitude 2.6 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-09-28 2024-09-28 20:59:06 UTC | 2.5ml | 13 km SE of Bodfish, CA 35.517°, -118.378° | 4.5 km | 1 | - | - | ✓ Reviewed | USGS → |
At 20:59 UTC on September 28, 2024, a magnitude 2.5 tremor occurred 13 km SE of Bodfish, CA. 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. | ||||||||
2024-09-28 2024-09-28 20:44:27 UTC | 2.1ml | 157 km WSW of Adak, Alaska 51.612°, -178.872° | 62.2 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.1 earthquake 157 km WSW of Adak, Alaska at 20:44 UTC on September 28, 2024. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-09-28 2024-09-28 20:32:37 UTC | 2.2ml | 106 km S of False Pass, Alaska 53.913°, -163.134° | 25.6 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.2 earthquake 106 km S of False Pass, Alaska came in on September 28, 2024 at 20:32 UTC. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-09-28 2024-09-28 20:27:04 UTC | 2.2ml | 67 km ENE of Kodiak, Alaska 58.040°, -151.373° | 26.8 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.2 seismic event took place 67 km ENE of Kodiak, Alaska on September 28, 2024 at 20:27 UTC. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-09-28 2024-09-28 19:56:23 UTC | 4.5mb | 30 km ESE of Kŭlob, Tajikistan 37.774°, 70.082° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On September 28, 2024 at 19:56 UTC, a magnitude 4.5 earthquake struck 30 km ESE of Kŭlob, Tajikistan. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-09-28 2024-09-28 19:51:55 UTC | 4.4mb | Kermadec Islands region -31.937°, -177.817° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.4 earthquake in the Kermadec Islands region came in on September 28, 2024 at 19:51 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-09-28 2024-09-28 19:50:08 UTC | 4.3mb | Kermadec Islands region -31.756°, -178.244° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.3 earthquake was recorded in the Kermadec Islands region on September 28, 2024 at 19:50 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-09-28 2024-09-28 19:42:45 UTC | 4.2mb | south of the Kermadec Islands -33.609°, -178.524° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.2 event was detected south of the Kermadec Islands on September 28, 2024, with origin time 19:42 UTC. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-09-28 2024-09-28 19:41:21 UTC | 3.4ml | 40 km SW of Adak, Alaska 51.588°, -176.992° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
On September 28, 2024, worldwide seismic activity registered a magnitude 3.4 earthquake 40 km SW of Adak, Alaska at 19:41 UTC. The event was offshore. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-09-28 2024-09-28 19:34:19 UTC | 2.5ml | 76 km W of Akhiok, Alaska 56.833°, -155.414° | 55.1 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.5 earthquake 76 km W of Akhiok, Alaska at 19:34 UTC on September 28, 2024. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-09-28 2024-09-28 19:13:34 UTC | 4.6mb | 60 km NNW of Dibulla, Colombia 11.792°, -73.492° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.6 event was detected 60 km NNW of Dibulla, Colombia on September 28, 2024, with origin time 19:13 UTC. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-09-28 2024-09-28 19:12:09 UTC | 4.5mb | 65 km NNW of Dibulla, Colombia 11.844°, -73.464° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.5 earthquake was recorded 65 km NNW of Dibulla, Colombia on September 28, 2024 at 19:12 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-09-28 2024-09-28 18:55:44 UTC | 4.6mb | Mid-Indian Ridge -40.011°, 78.313° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.6 earthquake near Mid-Indian Ridge came in on September 28, 2024 at 18:55 UTC. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-09-28 2024-09-28 18:55:37 UTC | 2.9ml | Rat Islands, Aleutian Islands, Alaska 50.218°, 179.893° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 18:55 UTC on September 28, 2024, a magnitude 2.9 tremor occurred near Rat Islands, Aleutian Islands, Alaska. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-09-28 2024-09-28 18:54:48 UTC | 2.0ml | 3 km SSW of Salcha, Alaska 64.497°, -146.926° | 5.4 km | 5 | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.0 earthquake 3 km SSW of Salcha, Alaska with origin time 18:54 UTC on September 28, 2024. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-09-28 2024-09-28 18:54:25 UTC | 4.4mb | Mid-Indian Ridge -40.074°, 78.239° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.4 seismic event took place near Mid-Indian Ridge on September 28, 2024 at 18:54 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-09-28 2024-09-28 18:47:12 UTC | 3.9mb | 110 km SSE of Adak, Alaska 50.919°, -176.222° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.9 seismic event took place 110 km SSE of Adak, Alaska on September 28, 2024 at 18:47 UTC. See the M3.9 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 September 28, 2024. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.