Earthquakes on September 17, 2026
237
EARTHQUAKES on September 17, 2026
24-hour UTC period · USGS data
LARGEST: M6.5 — 170 km W of Nikolski, Alaska
98 km deep · 8 people felt it
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
5
M4.0–4.9
32
M3.0–3.9
13
M2.0–2.9
60
M1.0–1.9
127
Activity Summary
237
Total earthquakes
~250
Daily average
Normal
Activity level
5
M5.0+ events
Significant Earthquakes (M4.5+)
6.5
170 km W of Nikolski, Alaska
14:19 UTC · 98.0 km deep
Felt by 8
5.3
189 km SE of Mata-Utu, Wallis and Futuna
06:42 UTC · 10.0 km deep
5.3
152 km SSE of Hihifo, Tonga
04:06 UTC · 10.0 km deep
5.2
130 km E of Bitung, Indonesia
06:20 UTC · 51.4 km deep
5.0
South Atlantic Ocean
06:48 UTC · 10.0 km deep
4.9
28 km SW of Sipí, Colombia
21:10 UTC · 57.3 km deep
Felt by 4
4.9
northern Mid-Atlantic Ridge
19:19 UTC · 10.0 km deep
4.7
105 km SE of Vilyuchinsk, Russia
13:30 UTC · 64.3 km deep
Earthquake Map — September 17, 2026
All Earthquakes — September 17, 2026
Showing 30 of 110 (filtered from 237)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2026-09-17 2026-09-17 23:55:16 UTC | 2.5ml | 55 km SSE of Atka, Alaska 51.724°, -173.928° | 61.0 km | - | - | - | ✓ Reviewed | USGS → |
September 17, 2026 brought a magnitude 2.5 earthquake 55 km SSE of Atka, Alaska, logged at 23:55 UTC. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-17 2026-09-17 23:44:40 UTC | 2.7ml | 80 km ENE of Ouzinkie, Alaska 58.256°, -151.299° | 12.6 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.7 earthquake 80 km ENE of Ouzinkie, Alaska came in on September 17, 2026 at 23:44 UTC. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-17 2026-09-17 23:33:25 UTC | 3.7md | 26 km SW of Boca de Yuma, Dominican Republic 18.206°, -68.777° | 147.0 km | - | - | - | ✓ Reviewed | USGS → |
September 17, 2026 brought a magnitude 3.7 earthquake 26 km SW of Boca de Yuma, Dominican Republic, logged at 23:33 UTC. The event was offshore. See the M3.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-17 2026-09-17 23:27:26 UTC | 2.7ml | 11 km SE of Anchorage, Alaska 61.150°, -149.748° | 12.9 km | 26 | - | - | ✓ Reviewed | USGS → |
A magnitude 2.7 seismic event took place 11 km SE of Anchorage, Alaska on September 17, 2026 at 23:27 UTC. The event was offshore. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-17 2026-09-17 23:06:01 UTC | 4.3mb | Mariana Islands region 19.326°, 146.028° | 125.1 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.3 earthquake in the Mariana Islands region with origin time 23:06 UTC on September 17, 2026. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-17 2026-09-17 22:11:41 UTC | 4.2mb | 60 km NE of María Elena, Chile -21.942°, -69.266° | 87.3 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.2 seismic event took place 60 km NE of María Elena, Chile on September 17, 2026 at 22:11 UTC. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-17 2026-09-17 21:36:31 UTC | 2.4md | 14 km SE of Ellsinore, Missouri 36.851°, -90.622° | 0.1 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.4 earthquake 14 km SE of Ellsinore, Missouri at 21:36 UTC on September 17, 2026. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-17 2026-09-17 21:28:03 UTC | 2.7ml | 55 km SSW of Whites City, New Mexico 31.696°, -104.539° | 4.3 km | - | - | - | ✓ Reviewed | USGS → |
September 17, 2026 brought a magnitude 2.7 earthquake 55 km SSW of Whites City, New Mexico, logged at 21:28 UTC. 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. | ||||||||
2026-09-17 2026-09-17 21:27:31 UTC | 2.9ml | 249 km SSE of Perryville, Alaska 53.970°, -157.204° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.9 earthquake was recorded 249 km SSE of Perryville, Alaska on September 17, 2026 at 21:27 UTC. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-17 2026-09-17 21:16:04 UTC | 2.3ml | 68 km S of Adak, Alaska 51.263°, -176.752° | 34.6 km | - | - | - | ✓ Reviewed | USGS → |
September 17, 2026 brought a magnitude 2.3 earthquake 68 km S of Adak, Alaska, logged at 21:16 UTC. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-17 2026-09-17 21:10:25 UTC | 4.9mww | 28 km SW of Sipí, Colombia 4.463°, -76.813° | 57.3 km | 4 | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.9 earthquake 28 km SW of Sipí, Colombia at 21:10 UTC on September 17, 2026. The event was offshore. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-17 2026-09-17 20:32:29 UTC | 2.9ml | 4 km SSE of Compton, CA 33.865°, -118.207° | 13.2 km | 516 | III | - | ✓ Reviewed | USGS → |
On September 17, 2026 at 20:32 UTC, a magnitude 2.9 earthquake struck 4 km SSE of Compton, CA. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-17 2026-09-17 20:23:45 UTC | 4.6mb | 217 km W of Tual, Indonesia -5.682°, 130.789° | 69.0 km | - | - | - | ✓ Reviewed | USGS → |
September 17, 2026 brought a magnitude 4.6 earthquake 217 km W of Tual, Indonesia, logged at 20:23 UTC. The event was offshore. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-17 2026-09-17 19:50:38 UTC | 2.0ml | 54 km WNW of Anchor Point, Alaska 59.889°, -152.772° | 101.6 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.0 event was detected 54 km WNW of Anchor Point, Alaska on September 17, 2026, with origin time 19:50 UTC. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-17 2026-09-17 19:43:46 UTC | 2.0ml | 49 km NW of Toyah, Texas 31.633°, -104.161° | 5.8 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.0 earthquake 49 km NW of Toyah, Texas came in on September 17, 2026 at 19:43 UTC. Coming 17 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 M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-17 2026-09-17 19:28:49 UTC | 2.1ml | 36 km E of Pedro Bay, Alaska 59.728°, -153.466° | 133.3 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.1 earthquake 36 km E of Pedro Bay, Alaska came in on September 17, 2026 at 19:28 UTC. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-17 2026-09-17 19:22:37 UTC | 4.1mb | 256 km WNW of Houma, Tonga -20.372°, -177.618° | 422.7 km | - | - | - | ✓ Reviewed | USGS → |
At 19:22 UTC on September 17, 2026, a magnitude 4.1 tremor occurred 256 km WNW of Houma, Tonga. This is the deepest earthquake in the current dataset — a deep-focus event. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-17 2026-09-17 19:19:06 UTC | 4.9mb | northern Mid-Atlantic Ridge 30.181°, -42.194° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.9 event was detected near northern Mid-Atlantic Ridge on September 17, 2026, with origin time 19:19 UTC. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-17 2026-09-17 19:17:33 UTC | 4.5mb | 214 km SW of Labuan, Indonesia -7.758°, 104.471° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 19:17 UTC on September 17, 2026, a magnitude 4.5 tremor occurred 214 km SW of Labuan, Indonesia. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-17 2026-09-17 19:11:10 UTC | 2.2ml | 143 km W of Adak, Alaska 51.657°, -178.690° | 96.9 km | - | - | - | ✓ Reviewed | USGS → |
At 19:11 UTC on September 17, 2026, a magnitude 2.2 tremor occurred 143 km W of Adak, Alaska. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-17 2026-09-17 19:10:16 UTC | 2.2ml | 53 km NW of Cold Bay, Alaska 55.536°, -163.293° | 145.7 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.2 earthquake 53 km NW of Cold Bay, Alaska at 19:10 UTC on September 17, 2026. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-17 2026-09-17 19:07:30 UTC | 2.9ml | 171 km WSW of Nikolski, Alaska 52.409°, -171.249° | 87.5 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.9 earthquake 171 km WSW of Nikolski, Alaska with origin time 19:07 UTC on September 17, 2026. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-17 2026-09-17 19:07:28 UTC | 4.2mb | 44 km ENE of Luganville, Vanuatu -15.380°, 167.551° | 116.8 km | - | - | - | ✓ Reviewed | USGS → |
September 17, 2026 brought a magnitude 4.2 earthquake 44 km ENE of Luganville, Vanuatu, logged at 19:07 UTC. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-17 2026-09-17 19:05:59 UTC | 4.3mb | 137 km SE of Petropavlovsk-Kamchatsky, Russia 52.129°, 159.955° | 38.9 km | - | - | - | ✓ Reviewed | USGS → |
On September 17, 2026, worldwide seismic activity registered a magnitude 4.3 earthquake 137 km SE of Petropavlovsk-Kamchatsky, Russia at 19:05 UTC. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-17 2026-09-17 18:58:47 UTC | 3.0ml | 86 km SSE of King Cove, Alaska 54.369°, -161.694° | 7.9 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 3.0 earthquake 86 km SSE of King Cove, Alaska came in on September 17, 2026 at 18:58 UTC. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-17 2026-09-17 18:38:41 UTC | 2.6ml | 65 km SW of Karluk, Alaska 57.231°, -155.356° | 53.6 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.6 earthquake 65 km SW of Karluk, Alaska with origin time 18:38 UTC on September 17, 2026. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-17 2026-09-17 18:14:22 UTC | 2.5md | 2 km ENE of Aromas, CA 36.892°, -121.620° | -0.1 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.5 seismic event took place 2 km ENE of Aromas, CA on September 17, 2026 at 18:14 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. | ||||||||
2026-09-17 2026-09-17 17:23:48 UTC | 2.1ml | 87 km WNW of Yakutat, Alaska 59.967°, -141.049° | 13.4 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.1 seismic event took place 87 km WNW of Yakutat, Alaska on September 17, 2026 at 17:23 UTC. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-17 2026-09-17 17:18:40 UTC | 2.1ml | 27 km E of Honaunau-Napoopoo, Hawaii 19.437°, -155.599° | 39.1 km | - | - | - | ✓ Reviewed | USGS → |
At 17:18 UTC on September 17, 2026, a magnitude 2.1 tremor occurred 27 km E of Honaunau-Napoopoo, Hawaii. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-17 2026-09-17 16:55:59 UTC | 2.1md | 0 km NE of Indios, Puerto Rico 17.998°, -66.814° | 17.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.1 event was detected 0 km NE of Indios, Puerto Rico on September 17, 2026, with origin time 16:55 UTC. It arrived roughly 9 hours after a larger magnitude 3.0 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. | ||||||||
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 17, 2026. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.