Earthquakes on September 15, 2024
455
EARTHQUAKES on September 15, 2024
24-hour UTC period · USGS data
4 km deep · 97 people felt it
Elevated activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
5
M4.0–4.9
44
M3.0–3.9
12
M2.0–2.9
71
M1.0–1.9
323
Activity Summary
455
Total earthquakes
~250
Daily average
Elevated
Activity level
5
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
6.5
271 km WNW of Port McNeill, Canada
22:22 UTC · 3.8 km deep
Felt by 97
5.5
173 km NE of Bontang, Indonesia
13:08 UTC · 6.5 km deep
Felt by 3
5.2
59 km S of Acajutla, El Salvador
04:58 UTC · 29.8 km deep
Felt by 25
5.0
214 km W of Adak, Alaska
12:41 UTC · 167.4 km deep
Felt by 2
5.0
44 km SSE of Pelabuhanratu, Indonesia
09:54 UTC · 51.2 km deep
Felt by 5
4.9
122 km W of Ambunti, Papua New Guinea
11:15 UTC · 108.3 km deep
4.9
68 km WNW of Port-Vila, Vanuatu
08:07 UTC · 47.6 km deep
Felt by 1
4.8
25 km NW of La Puerta de San José, Argentina
02:54 UTC · 138.7 km deep
Earthquake Map — September 15, 2024
All Earthquakes — September 15, 2024
Showing 30 of 132 (filtered from 455)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2024-09-15 2024-09-15 23:31:58 UTC | 2.1ml | Rat Islands, Aleutian Islands, Alaska 51.765°, 178.662° | 83.4 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.1 event was detected near Rat Islands, Aleutian Islands, Alaska on September 15, 2024, with origin time 23:31 UTC. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-09-15 2024-09-15 23:26:47 UTC | 4.0mb | 270 km WNW of Port McNeill, Canada 51.533°, -130.644° | 10.0 km | - | II | green | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.0 earthquake 270 km WNW of Port McNeill, Canada at 23:26 UTC on September 15, 2024. It arrived roughly 1 hours after a larger magnitude 6.5 mainshock in the same 20 km area, placing it within the typical aftershock window. 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. | ||||||||
2024-09-15 2024-09-15 23:15:40 UTC | 3.1ml | 23 km W of Volcano, Hawaii 19.419°, -155.453° | 8.3 km | 2 | III | - | ✓ Reviewed | USGS → |
Reports of a magnitude 3.1 earthquake 23 km W of Volcano, Hawaii came in on September 15, 2024 at 23:15 UTC. The event was offshore. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-09-15 2024-09-15 23:12:12 UTC | 3.2ml | 26 km SE of Adak, Alaska 51.682°, -176.397° | 60.8 km | - | - | - | ✓ Reviewed | USGS → |
At 23:12 UTC on September 15, 2024, a magnitude 3.2 tremor occurred 26 km SE of Adak, Alaska. The event was offshore. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-09-15 2024-09-15 22:54:42 UTC | 2.3ml | 10 km SE of Volcano, Hawaii 19.375°, -155.165° | 2.5 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.3 event was detected 10 km SE of Volcano, Hawaii on September 15, 2024, with origin time 22:54 UTC. Coming 20 hours after a magnitude 4.3 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 M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-09-15 2024-09-15 22:44:06 UTC | 3.7md | 112 km NNE of Punta Cana, Dominican Republic 19.568°, -68.148° | 69.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.7 earthquake was recorded 112 km NNE of Punta Cana, Dominican Republic on September 15, 2024 at 22:44 UTC. See the M3.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-09-15 2024-09-15 22:33:11 UTC | 2.3ml | 13 km NE of Pāhala, Hawaii 19.277°, -155.375° | 30.8 km | - | - | - | Auto | USGS → |
A magnitude 2.3 earthquake was recorded 13 km NE of Pāhala, Hawaii on September 15, 2024 at 22:33 UTC. This event falls inside the aftershock decay of a nearby magnitude 4.3 earthquake that occurred about 20 hours earlier. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-09-15 2024-09-15 22:22:48 UTC | 6.5mww | 271 km WNW of Port McNeill, Canada 51.609°, -130.612° | 3.8 km | 97 | V | green | ✓ Reviewed | USGS → |
On September 15, 2024 at 22:22 UTC, a magnitude 6.5 earthquake struck 271 km WNW of Port McNeill, Canada. A tsunami evaluation was automatically initiated given the magnitude and location. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. See the M6.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-09-15 2024-09-15 22:21:00 UTC | 2.2md | 15 km WSW of Ferndale, CA 40.515°, -124.419° | 20.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.2 event was detected 15 km WSW of Ferndale, CA on September 15, 2024, with origin time 22:21 UTC. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-09-15 2024-09-15 22:12:16 UTC | 4.2mb | 95 km SSE of La Placita de Morelos, Mexico 17.700°, -103.362° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 22:12 UTC on September 15, 2024, a magnitude 4.2 tremor occurred 95 km SSE of La Placita de Morelos, Mexico. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-09-15 2024-09-15 22:01:44 UTC | 2.5md | 6 km E of Elgin, South Carolina 34.174°, -80.725° | 2.3 km | 116 | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.5 earthquake 6 km E of Elgin, South Carolina came in on September 15, 2024 at 22:01 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. | ||||||||
2024-09-15 2024-09-15 21:59:48 UTC | 2.2ml | 10 km ENE of Franklin, Texas 31.059°, -96.385° | 8.2 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.2 earthquake 10 km ENE of Franklin, Texas came in on September 15, 2024 at 21:59 UTC. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-09-15 2024-09-15 21:39:52 UTC | 4.0mb | 281 km WNW of Port McNeill, Canada 51.715°, -130.686° | 7.3 km | - | II | green | ✓ Reviewed | USGS → |
This magnitude 4.0 event was detected 281 km WNW of Port McNeill, Canada on September 15, 2024, with origin time 21:39 UTC. 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. | ||||||||
2024-09-15 2024-09-15 21:31:03 UTC | 2.5ml | 138 km S of Unalaska, Alaska 52.638°, -166.314° | 23.6 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.5 seismic event took place 138 km S of Unalaska, Alaska on September 15, 2024 at 21:31 UTC. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-09-15 2024-09-15 21:22:14 UTC | 2.3ml | 22 km SSW of Whittier, Alaska 60.597°, -148.867° | 28.4 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.3 earthquake 22 km SSW of Whittier, Alaska came in on September 15, 2024 at 21:22 UTC. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-09-15 2024-09-15 21:21:23 UTC | 2.2ml | 10 km SSW of Fern Forest, Hawaii 19.369°, -155.158° | 2.3 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.2 earthquake 10 km SSW of Fern Forest, Hawaii came in on September 15, 2024 at 21:21 UTC. Coming 19 hours after a magnitude 4.3 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 M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-09-15 2024-09-15 21:07:52 UTC | 2.0ml | 10 km SE of Volcano, Hawaii 19.372°, -155.165° | 2.5 km | - | - | - | ✓ Reviewed | USGS → |
At 21:07 UTC on September 15, 2024, a magnitude 2.0 tremor occurred 10 km SE of Volcano, Hawaii. This event falls inside the aftershock decay of a nearby magnitude 4.3 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 M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-09-15 2024-09-15 20:56:52 UTC | 4.5mb | southeast Indian Ridge -48.280°, 107.113° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 20:56 UTC on September 15, 2024, a magnitude 4.5 tremor occurred near southeast Indian Ridge. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-09-15 2024-09-15 20:21:35 UTC | 4.3mb | Fiji region -20.163°, -178.234° | 554.8 km | - | - | - | ✓ Reviewed | USGS → |
On September 15, 2024, worldwide seismic activity registered a magnitude 4.3 earthquake in the Fiji region at 20:21 UTC. This is the deepest earthquake in the current dataset — a deep-focus event. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-09-15 2024-09-15 20:18:53 UTC | 4.3mb | 53 km SSW of Acajutla, El Salvador 13.120°, -89.945° | 30.0 km | - | - | - | ✓ Reviewed | USGS → |
At 20:18 UTC on September 15, 2024, a magnitude 4.3 tremor occurred 53 km SSW of Acajutla, El Salvador. It arrived roughly 15 hours after a larger magnitude 5.2 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-09-15 2024-09-15 20:17:21 UTC | 3.1md | 1 km NE of Magas Arriba, Puerto Rico 18.028°, -66.757° | 16.6 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.1 seismic event took place 1 km NE of Magas Arriba, Puerto Rico on September 15, 2024 at 20:17 UTC. The event was offshore. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-09-15 2024-09-15 20:10:54 UTC | 4.0md | 150 km NNE of Cruz Bay, U.S. Virgin Islands 19.603°, -64.281° | 127.0 km | - | - | - | ✓ Reviewed | USGS → |
September 15, 2024 brought a magnitude 4.0 earthquake 150 km NNE of Cruz Bay, U.S. Virgin Islands, logged at 20:10 UTC. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-09-15 2024-09-15 20:01:55 UTC | 2.1ml | 10 km SE of Volcano, Hawaii 19.370°, -155.171° | 1.4 km | - | - | - | ✓ Reviewed | USGS → |
September 15, 2024 brought a magnitude 2.1 earthquake 10 km SE of Volcano, Hawaii, logged at 20:01 UTC. This event falls inside the aftershock decay of a nearby magnitude 4.3 earthquake that occurred about 18 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. | ||||||||
2024-09-15 2024-09-15 19:06:31 UTC | 4.2mb | 225 km N of Tobelo, Indonesia 3.770°, 127.979° | 60.5 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.2 earthquake 225 km N of Tobelo, Indonesia at 19:06 UTC on September 15, 2024. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-09-15 2024-09-15 19:00:45 UTC | 2.3ml | 6 km N of Malibu, CA 34.056°, -118.805° | 10.5 km | 7 | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.3 earthquake 6 km N of Malibu, CA at 19:00 UTC on September 15, 2024. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-09-15 2024-09-15 18:34:48 UTC | 4.6mb | 226 km ESE of Castlepoint, New Zealand -41.967°, 178.529° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.6 earthquake was recorded 226 km ESE of Castlepoint, New Zealand on September 15, 2024 at 18:34 UTC. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-09-15 2024-09-15 18:22:11 UTC | 3.0ml | 26 km ENE of Nikolski, Alaska 53.018°, -168.497° | 84.2 km | - | - | - | ✓ Reviewed | USGS → |
September 15, 2024 brought a magnitude 3.0 earthquake 26 km ENE of Nikolski, Alaska, logged at 18:22 UTC. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-09-15 2024-09-15 17:50:06 UTC | 2.7md | 17 km WNW of Ukiah, CA 39.171°, -123.399° | 3.2 km | 4 | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.7 earthquake 17 km WNW of Ukiah, CA at 17:50 UTC on September 15, 2024. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-09-15 2024-09-15 17:40:19 UTC | 2.8ml | 40 km E of Port Alsworth, Alaska 60.203°, -153.588° | 186.2 km | - | - | - | ✓ Reviewed | USGS → |
On September 15, 2024, worldwide seismic activity registered a magnitude 2.8 earthquake 40 km E of Port Alsworth, Alaska at 17:40 UTC. The event was offshore. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-09-15 2024-09-15 17:17:17 UTC | 3.2ml | 181 km SSW of Adak, Alaska 50.444°, -177.899° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 3.2 earthquake 181 km SSW of Adak, Alaska at 17:17 UTC on September 15, 2024. See the M3.2 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 15, 2024. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.