Earthquakes on September 22, 2024
287
EARTHQUAKES on September 22, 2024
24-hour UTC period · USGS data
LARGEST: M5.4 — Mauritius - Reunion region
10 km deep
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
4
M4.0–4.9
44
M3.0–3.9
14
M2.0–2.9
49
M1.0–1.9
176
Activity Summary
287
Total earthquakes
~250
Daily average
Normal
Activity level
4
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
5.4
Mauritius - Reunion region
20:42 UTC · 10.0 km deep
5.3
West Chile Rise
08:43 UTC · 10.0 km deep
5.1
56 km NNW of La Ligua, Chile
18:46 UTC · 54.0 km deep
Felt by 28
5.0
28 km SSW of La Libertad, El Salvador
02:25 UTC · 76.9 km deep
Felt by 11
4.9
Fiji region
23:11 UTC · 543.0 km deep
4.9
67 km S of Challapata, Bolivia
19:42 UTC · 257.2 km deep
4.8
34 km N of Bojnūrd, Iran
12:43 UTC · 10.0 km deep
Felt by 8
4.8
10 km NNE of Karyes, Greece
09:50 UTC · 10.0 km deep
Felt by 10
Earthquake Map — September 22, 2024
All Earthquakes — September 22, 2024
Showing 30 of 111 (filtered from 287)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2024-09-22 2024-09-22 23:51:39 UTC | 4.3mb | Mariana Islands region 21.834°, 144.525° | 77.4 km | - | - | - | ✓ Reviewed | USGS → |
On September 22, 2024 at 23:51 UTC, a magnitude 4.3 earthquake struck in the Mariana Islands region. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-09-22 2024-09-22 23:25:24 UTC | 2.0ml | 12 km SE of Desert Aire, Washington 46.607°, -119.797° | 8.1 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.0 earthquake 12 km SE of Desert Aire, Washington came in on September 22, 2024 at 23:25 UTC. Coming 4 hours after a magnitude 2.1 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. | ||||||||
2024-09-22 2024-09-22 23:11:06 UTC | 4.9mb | Fiji region -20.677°, -178.167° | 543.0 km | - | - | - | ✓ Reviewed | USGS → |
At 23:11 UTC on September 22, 2024, a magnitude 4.9 tremor occurred in the Fiji region. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-09-22 2024-09-22 22:15:23 UTC | 2.0ml | 16 km SW of Thatcher, Utah 41.591°, -112.429° | 6.9 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.0 earthquake 16 km SW of Thatcher, Utah at 22:15 UTC on September 22, 2024. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-09-22 2024-09-22 21:56:34 UTC | 4.5mb | Kermadec Islands region -28.697°, -176.499° | 18.9 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.5 seismic event took place in the Kermadec Islands region on September 22, 2024 at 21:56 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-09-22 2024-09-22 20:54:08 UTC | 4.4mb | 156 km SSE of Lata, Solomon Islands -12.014°, 166.397° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.4 earthquake 156 km SSE of Lata, Solomon Islands with origin time 20:54 UTC on September 22, 2024. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-09-22 2024-09-22 20:51:26 UTC | 2.1ml | 15 km W of Aleneva, Alaska 58.035°, -153.166° | 38.7 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.1 earthquake 15 km W of Aleneva, Alaska at 20:51 UTC on September 22, 2024. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-09-22 2024-09-22 20:47:53 UTC | 3.2ml | 145 km WSW of Adak, Alaska 51.208°, -178.440° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.2 seismic event took place 145 km WSW of Adak, Alaska on September 22, 2024 at 20:47 UTC. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-09-22 2024-09-22 20:42:35 UTC | 5.4mww | Mauritius - Reunion region -17.395°, 66.555° | 10.0 km | - | - | green | ✓ Reviewed | USGS → |
On September 22, 2024 at 20:42 UTC, a magnitude 5.4 earthquake struck in the Mauritius - Reunion region. 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 September 22, 2024. See the M5.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-09-22 2024-09-22 20:41:18 UTC | 2.4ml | 72 km ENE of Ugashik, Alaska 57.770°, -156.276° | 126.8 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.4 earthquake was recorded 72 km ENE of Ugashik, Alaska on September 22, 2024 at 20:41 UTC. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-09-22 2024-09-22 20:39:26 UTC | 2.1ml | 58 km S of Whites City, New Mexico 31.651°, -104.441° | 6.6 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.1 event was detected 58 km S of Whites City, New Mexico on September 22, 2024, with origin time 20:39 UTC. It arrived roughly 12 hours after a larger magnitude 3.4 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. | ||||||||
2024-09-22 2024-09-22 20:38:50 UTC | 2.7ml | 52 km E of Chignik, Alaska 56.271°, -157.558° | 54.7 km | - | - | - | ✓ Reviewed | USGS → |
On September 22, 2024 at 20:38 UTC, a magnitude 2.7 earthquake struck 52 km E of Chignik, Alaska. The event was offshore. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-09-22 2024-09-22 20:32:05 UTC | 2.5md | 2 km SSE of Guayanilla, Puerto Rico 18.001°, -66.785° | 16.5 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.5 earthquake 2 km SSE of Guayanilla, Puerto Rico came in on September 22, 2024 at 20:32 UTC. Coming 11 hours after a magnitude 3.8 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-09-22 2024-09-22 20:16:40 UTC | 2.1md | 4 km S of Pāhala, Hawaii 19.167°, -155.480° | 29.7 km | - | - | - | Auto | USGS → |
At 20:16 UTC on September 22, 2024, a magnitude 2.1 tremor occurred 4 km S of Pāhala, Hawaii. This event falls inside the aftershock decay of a nearby magnitude 4.0 earthquake that occurred about 4 hours earlier. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-09-22 2024-09-22 20:15:04 UTC | 2.1md | 5 km SSW of Shasta, CA 40.556°, -122.510° | 21.8 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.1 earthquake 5 km SSW of Shasta, CA with origin time 20:15 UTC on September 22, 2024. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-09-22 2024-09-22 20:13:43 UTC | 4.5mb | 105 km N of Hihifo, Tonga -14.999°, -173.784° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
September 22, 2024 brought a magnitude 4.5 earthquake 105 km N of Hihifo, Tonga, logged at 20:13 UTC. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-09-22 2024-09-22 19:59:57 UTC | 2.0ml | 47 km WSW of False Pass, Alaska 54.745°, -164.126° | 6.1 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.0 seismic event took place 47 km WSW of False Pass, Alaska on September 22, 2024 at 19:59 UTC. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-09-22 2024-09-22 19:53:25 UTC | 2.1ml | 28 km SSE of Karluk, Alaska 57.331°, -154.303° | 24.9 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.1 earthquake 28 km SSE of Karluk, Alaska came in on September 22, 2024 at 19:53 UTC. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-09-22 2024-09-22 19:48:13 UTC | 4.4mb | 32 km SW of La Libertad, El Salvador 13.270°, -89.521° | 71.3 km | 2 | - | - | ✓ Reviewed | USGS → |
On September 22, 2024, worldwide seismic activity registered a magnitude 4.4 earthquake 32 km SW of La Libertad, El Salvador at 19:48 UTC. This event falls inside the aftershock decay of a nearby magnitude 5.0 earthquake that occurred about 17 hours earlier. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-09-22 2024-09-22 19:42:33 UTC | 4.9mww | 67 km S of Challapata, Bolivia -19.508°, -66.678° | 257.2 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.9 earthquake 67 km S of Challapata, Bolivia at 19:42 UTC on September 22, 2024. The event was offshore. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-09-22 2024-09-22 19:30:49 UTC | 2.5md | 9 km SSE of Guánica, Puerto Rico 17.890°, -66.869° | 12.7 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.5 event was detected 9 km SSE of Guánica, Puerto Rico on September 22, 2024, with origin time 19:30 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.8 earthquake that occurred about 10 hours earlier. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-09-22 2024-09-22 19:25:45 UTC | 2.1ml | 12 km SE of Desert Aire, Washington 46.605°, -119.798° | 8.1 km | - | - | - | ✓ Reviewed | USGS → |
On September 22, 2024, worldwide seismic activity registered a magnitude 2.1 earthquake 12 km SE of Desert Aire, Washington at 19:25 UTC. In the 72 hours after this event, the USGS recorded 4 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-09-22 2024-09-22 18:46:38 UTC | 5.1mww | 56 km NNW of La Ligua, Chile -32.031°, -71.563° | 54.0 km | 28 | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 5.1 earthquake 56 km NNW of La Ligua, Chile with origin time 18:46 UTC on September 22, 2024. See the M5.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-09-22 2024-09-22 18:43:50 UTC | 2.2ml | 16 km NNE of Hermleigh, Texas 32.763°, -100.673° | 8.9 km | - | - | - | ✓ Reviewed | USGS → |
On September 22, 2024 at 18:43 UTC, a magnitude 2.2 earthquake struck 16 km NNE of Hermleigh, Texas. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-09-22 2024-09-22 18:36:58 UTC | 4.3mb | Reykjanes Ridge 55.218°, -35.238° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.3 earthquake was recorded near Reykjanes Ridge on September 22, 2024 at 18:36 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-09-22 2024-09-22 18:27:45 UTC | 4.2mwr | 14 km ENE of Lálas, Greece 37.778°, 21.858° | 26.2 km | - | - | - | ✓ Reviewed | USGS → |
September 22, 2024 brought a magnitude 4.2 earthquake 14 km ENE of Lálas, Greece, logged at 18:27 UTC. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-09-22 2024-09-22 18:19:03 UTC | 2.3ml | 38 km WNW of Kotlik, Alaska 63.173°, -164.250° | 20.0 km | - | - | - | ✓ Reviewed | USGS → |
On September 22, 2024, worldwide seismic activity registered a magnitude 2.3 earthquake 38 km WNW of Kotlik, Alaska at 18:19 UTC. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-09-22 2024-09-22 17:25:56 UTC | 4.2mb | 42 km ESE of Inarajan Village, Guam 13.084°, 145.091° | 60.8 km | - | - | - | ✓ Reviewed | USGS → |
On September 22, 2024 at 17:25 UTC, a magnitude 4.2 earthquake struck 42 km ESE of Inarajan Village, Guam. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-09-22 2024-09-22 17:11:47 UTC | 3.7mb | 55 km SE of Unalaska, Alaska 53.531°, -165.934° | 60.6 km | - | I | - | ✓ Reviewed | USGS → |
A magnitude 3.7 earthquake was recorded 55 km SE of Unalaska, Alaska on September 22, 2024 at 17:11 UTC. The event was offshore. See the M3.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-09-22 2024-09-22 16:21:25 UTC | 4.0ml | 4 km S of Pāhala, Hawaii 19.162°, -155.485° | 32.2 km | 140 | III | green | ✓ Reviewed | USGS → |
A magnitude 4.0 seismic event took place 4 km S of Pāhala, Hawaii on September 22, 2024 at 16:21 UTC. In the 72 hours after this event, the USGS recorded 5 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. See the M4.0 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 September 22, 2024. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.