Earthquakes on September 15, 2026
189
EARTHQUAKES on September 15, 2026
24-hour UTC period · USGS data
LARGEST: M4.8 — 289 km WSW of Tual, Indonesia
84 km deep
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
0
M4.0–4.9
17
M3.0–3.9
12
M2.0–2.9
34
M1.0–1.9
126
Activity Summary
189
Total earthquakes
~250
Daily average
Normal
Activity level
0
M5.0+ events
Geographic Breakdown
By US State
Significant Earthquakes (M4.5+)
4.8
289 km WSW of Tual, Indonesia
06:07 UTC · 83.8 km deep
4.8
229 km E of Tadine, New Caledonia
04:52 UTC · 98.7 km deep
4.7
161 km N of Caluula, Somalia
23:46 UTC · 10.0 km deep
4.7
89 km NE of Yonakuni, Japan
21:00 UTC · 11.5 km deep
4.7
120 km S of Panguna, Papua New Guinea
11:34 UTC · 10.0 km deep
4.7
99 km S of Panguna, Papua New Guinea
10:20 UTC · 10.0 km deep
4.5
17 km WNW of Palora, Ecuador
23:45 UTC · 155.8 km deep
4.5
49 km SW of Cachí, Argentina
17:41 UTC · 185.6 km deep
Earthquake Map — September 15, 2026
All Earthquakes — September 15, 2026
Showing 30 of 63 (filtered from 189)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
5 days ago 2026-09-15 23:50:50 UTC | 2.1ml | 29 km NNW of Susitna, Alaska 61.775°, -150.778° | 64.6 km | 1 | - | - | Auto | USGS → |
The USGS recorded this magnitude 2.1 earthquake 29 km NNW of Susitna, Alaska at 23:50 UTC on September 15, 2026. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
5 days ago 2026-09-15 23:46:59 UTC | 4.7mww | 161 km N of Caluula, Somalia 13.426°, 50.758° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.7 earthquake 161 km N of Caluula, Somalia with origin time 23:46 UTC on September 15, 2026. The event was offshore. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
5 days ago 2026-09-15 23:45:06 UTC | 4.5mb | 17 km WNW of Palora, Ecuador -1.616°, -78.094° | 155.8 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.5 event was detected 17 km WNW of Palora, Ecuador on September 15, 2026, with origin time 23:45 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
5 days ago 2026-09-15 21:49:29 UTC | 3.5ml | Rat Islands, Aleutian Islands, Alaska 51.485°, 178.951° | 57.3 km | - | II | - | ✓ Reviewed | USGS → |
Reports of a magnitude 3.5 earthquake near Rat Islands, Aleutian Islands, Alaska came in on September 15, 2026 at 21:49 UTC. See the M3.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
5 days ago 2026-09-15 21:10:12 UTC | 2.7ml | 2 km NNW of Las Nutrias, New Mexico 34.495°, -106.783° | 10.0 km | 5 | - | - | ✓ Reviewed | USGS → |
A magnitude 2.7 earthquake was recorded 2 km NNW of Las Nutrias, New Mexico on September 15, 2026 at 21:10 UTC. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
5 days ago 2026-09-15 21:00:35 UTC | 4.7mww | 89 km NE of Yonakuni, Japan 25.038°, 123.625° | 11.5 km | - | - | - | ✓ Reviewed | USGS → |
On September 15, 2026, worldwide seismic activity registered a magnitude 4.7 earthquake 89 km NE of Yonakuni, Japan at 21:00 UTC. The event was offshore. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
5 days ago 2026-09-15 20:00:31 UTC | 2.4md | 3 km WNW of Dublin, CA 37.709°, -121.965° | 10.0 km | 3 | - | - | Auto | USGS → |
At 20:00 UTC on September 15, 2026, a magnitude 2.4 tremor occurred 3 km WNW of Dublin, CA. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
5 days ago 2026-09-15 19:44:41 UTC | 2.2ml | 36 km SSE of Ugashik, Alaska 57.194°, -157.279° | 5.0 km | - | - | - | Auto | USGS → |
September 15, 2026 brought a magnitude 2.2 earthquake 36 km SSE of Ugashik, Alaska, logged at 19:44 UTC. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
5 days ago 2026-09-15 19:28:14 UTC | 2.1ml | 3 km SSE of Big Lake, Alaska 61.490°, -149.932° | 31.6 km | 1 | - | - | Auto | USGS → |
This magnitude 2.1 event was detected 3 km SSE of Big Lake, Alaska on September 15, 2026, with origin time 19:28 UTC. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
5 days ago 2026-09-15 19:24:00 UTC | 2.6ml | 16 km NE of Milford, Utah 38.522°, -112.904° | 3.0 km | - | III | - | ✓ Reviewed | USGS → |
On September 15, 2026, worldwide seismic activity registered a magnitude 2.6 earthquake 16 km NE of Milford, Utah at 19:24 UTC. In the 72 hours after this event, the USGS recorded 3 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
5 days ago 2026-09-15 19:21:08 UTC | 2.0ml | 19 km WNW of Volcano, Hawaii 19.524°, -155.403° | 11.9 km | - | - | - | ✓ Reviewed | USGS → |
On September 15, 2026 at 19:21 UTC, a magnitude 2.0 earthquake struck 19 km WNW of Volcano, Hawaii. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
5 days ago 2026-09-15 18:26:33 UTC | 4.3mb | 45 km N of Ruteng, Indonesia -8.198°, 120.444° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On September 15, 2026 at 18:26 UTC, a magnitude 4.3 earthquake struck 45 km N of Ruteng, Indonesia. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
5 days ago 2026-09-15 17:41:25 UTC | 4.5mb | 49 km SW of Cachí, Argentina -25.456°, -66.489° | 185.6 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.5 earthquake 49 km SW of Cachí, Argentina came in on September 15, 2026 at 17:41 UTC. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
5 days ago 2026-09-15 17:16:48 UTC | 4.3mb | 90 km NNW of Ishigaki, Japan 25.031°, 123.674° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.3 earthquake was recorded 90 km NNW of Ishigaki, Japan on September 15, 2026 at 17:16 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
5 days ago 2026-09-15 16:27:44 UTC | 2.6ml | 45 km NW of Toyah, Texas 31.615°, -104.113° | 6.1 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.6 earthquake 45 km NW of Toyah, Texas at 16:27 UTC on September 15, 2026. Coming 8 hours after a magnitude 3.3 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
5 days ago 2026-09-15 16:12:49 UTC | 4.5mb | 55 km SSW of Bengkulu, Indonesia -4.261°, 102.075° | 76.2 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.5 seismic event took place 55 km SSW of Bengkulu, Indonesia on September 15, 2026 at 16:12 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
5 days ago 2026-09-15 16:11:59 UTC | 2.2ml | 26 km E of Honaunau-Napoopoo, Hawaii 19.451°, -155.615° | 35.3 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.2 earthquake was recorded 26 km E of Honaunau-Napoopoo, Hawaii on September 15, 2026 at 16:11 UTC. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
5 days ago 2026-09-15 16:10:21 UTC | 3.4ml | 160 km WSW of Adak, Alaska 51.365°, -178.798° | 35.0 km | - | III | - | ✓ Reviewed | USGS → |
A magnitude 3.4 seismic event took place 160 km WSW of Adak, Alaska on September 15, 2026 at 16:10 UTC. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
5 days ago 2026-09-15 15:08:31 UTC | 2.5ml | 56 km WNW of Anchor Point, Alaska 59.973°, -152.756° | 100.4 km | - | - | - | Auto | USGS → |
A magnitude 2.5 seismic event took place 56 km WNW of Anchor Point, Alaska on September 15, 2026 at 15:08 UTC. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
5 days ago 2026-09-15 14:32:38 UTC | 4.0ml | 119 km E of Chignik, Alaska 56.199°, -156.488° | 17.9 km | - | III | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.0 earthquake 119 km E of Chignik, Alaska at 14:32 UTC on September 15, 2026. The event was offshore. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
5 days ago 2026-09-15 14:16:11 UTC | 4.5mb | 251 km E of Lospalos, Timor Leste -8.324°, 129.277° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
September 15, 2026 brought a magnitude 4.5 earthquake 251 km E of Lospalos, Timor Leste, logged at 14:16 UTC. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
5 days ago 2026-09-15 13:50:21 UTC | 4.2mb | 48 km SSE of Irpa Irpa, Bolivia -18.101°, -66.052° | 363.5 km | - | - | - | ✓ Reviewed | USGS → |
On September 15, 2026, worldwide seismic activity registered a magnitude 4.2 earthquake 48 km SSE of Irpa Irpa, Bolivia at 13:50 UTC. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
5 days ago 2026-09-15 13:39:25 UTC | 2.1ml | 20 km ESE of Silver Springs, Nevada 39.348°, -119.005° | 6.6 km | - | - | - | ✓ Reviewed | USGS → |
September 15, 2026 brought a magnitude 2.1 earthquake 20 km ESE of Silver Springs, Nevada, logged at 13:39 UTC. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
5 days ago 2026-09-15 13:35:07 UTC | 2.0ml | 74 km W of Elfin Cove, Alaska 58.084°, -137.595° | 8.1 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.0 earthquake was recorded 74 km W of Elfin Cove, Alaska on September 15, 2026 at 13:35 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.4 earthquake that occurred about 1 hours earlier. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
5 days ago 2026-09-15 13:14:42 UTC | 2.5ml | 92 km E of Nikolski, Alaska 52.809°, -167.510° | 2.8 km | - | - | - | ✓ Reviewed | USGS → |
September 15, 2026 brought a magnitude 2.5 earthquake 92 km E of Nikolski, Alaska, logged at 13:14 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. | ||||||||
5 days ago 2026-09-15 13:10:30 UTC | 3.4ml | 63 km WSW of Elfin Cove, Alaska 58.061°, -137.385° | 5.0 km | - | I | - | ✓ Reviewed | USGS → |
September 15, 2026 brought a magnitude 3.4 earthquake 63 km WSW of Elfin Cove, Alaska, logged at 13:10 UTC. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
5 days ago 2026-09-15 13:08:06 UTC | 2.5ml | 50 km SSW of Whites City, New Mexico 31.742°, -104.555° | 5.0 km | - | - | - | ✓ Reviewed | USGS → |
On September 15, 2026 at 13:08 UTC, a magnitude 2.5 earthquake struck 50 km SSW of Whites City, New Mexico. 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 M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
5 days ago 2026-09-15 13:02:46 UTC | 2.2ml | 7 km WNW of Delta, B.C., MX 32.387°, -115.254° | 5.6 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.2 earthquake 7 km WNW of Delta, B.C., MX with origin time 13:02 UTC on September 15, 2026. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
5 days ago 2026-09-15 12:29:41 UTC | 2.4ml | 78 km SE of King Cove, Alaska 54.596°, -161.402° | 24.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.4 earthquake 78 km SE of King Cove, Alaska at 12:29 UTC on September 15, 2026. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
5 days ago 2026-09-15 12:27:52 UTC | 2.1ml | 30 km E of Chignik, Alaska 56.299°, -157.911° | 9.7 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.1 earthquake 30 km E of Chignik, Alaska came in on September 15, 2026 at 12:27 UTC. The event was offshore. See the M2.1 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, 2026. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.