Earthquakes on September 12, 2026
367
EARTHQUAKES on September 12, 2026
24-hour UTC period · USGS data
LARGEST: M5.1 — 101 km S of Yudomari, Japan
46 km deep · 1 person felt it
Elevated activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
2
M4.0–4.9
17
M3.0–3.9
24
M2.0–2.9
81
M1.0–1.9
243
Activity Summary
367
Total earthquakes
~250
Daily average
Elevated
Activity level
2
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
South Sandwich Islands
2
Significant Earthquakes (M4.5+)
5.1
101 km S of Yudomari, Japan
20:32 UTC · 45.5 km deep
Felt by 1
5.1
South Sandwich Islands region
00:55 UTC · 10.0 km deep
4.9
South Sandwich Islands region
11:05 UTC · 98.2 km deep
4.9
147 km WNW of Sola, Vanuatu
09:35 UTC · 16.9 km deep
4.8
17 km WSW of Lixoúri, Greece
17:51 UTC · 34.0 km deep
Felt by 26
4.8
253 km WSW of Tual, Indonesia
06:14 UTC · 134.4 km deep
4.7
32 km SW of Sipí, Colombia
11:16 UTC · 77.3 km deep
Felt by 2
4.7
94 km WNW of Ternate, Indonesia
05:08 UTC · 44.2 km deep
Earthquake Map — September 12, 2026
All Earthquakes — September 12, 2026
Showing 30 of 124 (filtered from 367)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2026-09-12 2026-09-12 23:33:47 UTC | 2.5ml | 71 km SSW of Atka, Alaska 51.617°, -174.635° | 11.9 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.5 seismic event took place 71 km SSW of Atka, Alaska on September 12, 2026 at 23:33 UTC. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-12 2026-09-12 23:15:48 UTC | 2.5ml | 95 km SSW of Nikolski, Alaska 52.193°, -169.566° | 39.4 km | - | - | - | ✓ Reviewed | USGS → |
September 12, 2026 brought a magnitude 2.5 earthquake 95 km SSW of Nikolski, Alaska, logged at 23:15 UTC. It arrived roughly 5 hours after a larger magnitude 3.3 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-12 2026-09-12 23:09:48 UTC | 2.1ml | 64 km ESE of Akutan, Alaska 53.928°, -164.861° | 83.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.1 earthquake was recorded 64 km ESE of Akutan, Alaska on September 12, 2026 at 23:09 UTC. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-12 2026-09-12 23:01:48 UTC | 3.4md | 157 km NNE of Vieques, Puerto Rico 19.766°, -65.329° | 21.6 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.4 earthquake was recorded 157 km NNE of Vieques, Puerto Rico on September 12, 2026 at 23:01 UTC. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-12 2026-09-12 22:52:29 UTC | 3.1ml | 16 km NE of Milford, Utah 38.514°, -112.900° | 3.6 km | - | III | - | ✓ Reviewed | USGS → |
On September 12, 2026 at 22:52 UTC, a magnitude 3.1 earthquake struck 16 km NE of Milford, Utah. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-12 2026-09-12 22:40:25 UTC | 4.3mb | 31 km ESE of Lata, Solomon Islands -10.794°, 166.080° | 188.7 km | - | - | - | ✓ Reviewed | USGS → |
At 22:40 UTC on September 12, 2026, a magnitude 4.3 tremor occurred 31 km ESE of Lata, Solomon Islands. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-12 2026-09-12 22:14:03 UTC | 4.3mb | 90 km NNE of Rabaul, Papua New Guinea -3.401°, 152.338° | 367.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.3 earthquake 90 km NNE of Rabaul, Papua New Guinea at 22:14 UTC on September 12, 2026. 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. | ||||||||
2026-09-12 2026-09-12 21:55:46 UTC | 2.3md | 12 km S of Guánica, Puerto Rico 17.857°, -66.887° | 14.7 km | - | - | - | ✓ Reviewed | USGS → |
At 21:55 UTC on September 12, 2026, a magnitude 2.3 tremor occurred 12 km S of Guánica, Puerto Rico. It arrived roughly 12 hours after a larger magnitude 2.6 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-12 2026-09-12 21:49:47 UTC | 2.0ml | 27 km N of Buckingham, Canada 45.832°, -75.425° | 12.1 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.0 earthquake 27 km N of Buckingham, Canada came in on September 12, 2026 at 21:49 UTC. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-12 2026-09-12 21:33:47 UTC | 2.1ml | 49 km NW of Toyah, Texas 31.636°, -104.158° | 5.5 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.1 earthquake 49 km NW of Toyah, Texas with origin time 21:33 UTC on September 12, 2026. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-12 2026-09-12 20:54:55 UTC | 3.4md | 141 km NNE of Vieques, Puerto Rico 19.583°, -65.273° | 72.0 km | - | - | - | ✓ Reviewed | USGS → |
On September 12, 2026 at 20:54 UTC, a magnitude 3.4 earthquake struck 141 km NNE of Vieques, Puerto Rico. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-12 2026-09-12 20:38:01 UTC | 2.4ml | 104 km SSE of False Pass, Alaska 53.957°, -162.957° | 12.9 km | - | - | - | ✓ Reviewed | USGS → |
At 20:38 UTC on September 12, 2026, a magnitude 2.4 tremor occurred 104 km SSE of False Pass, Alaska. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-12 2026-09-12 20:32:58 UTC | 5.1mww | 101 km S of Yudomari, Japan 29.324°, 130.379° | 45.5 km | 1 | - | - | ✓ Reviewed | USGS → |
On September 12, 2026 at 20:32 UTC, a magnitude 5.1 earthquake struck 101 km S of Yudomari, Japan. It is the largest earthquake currently listed for worldwide seismic activity on September 12, 2026. See the M5.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-12 2026-09-12 20:19:17 UTC | 2.0ml | 71 km SSE of Chignik, Alaska 55.744°, -157.802° | 2.1 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.0 seismic event took place 71 km SSE of Chignik, Alaska on September 12, 2026 at 20:19 UTC. 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. | ||||||||
2026-09-12 2026-09-12 20:08:15 UTC | 2.0ml | 71 km SSE of Adak, Alaska 51.323°, -176.112° | 22.9 km | - | - | - | ✓ Reviewed | USGS → |
September 12, 2026 brought a magnitude 2.0 earthquake 71 km SSE of Adak, Alaska, logged at 20:08 UTC. Coming 9 hours after a magnitude 2.1 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-12 2026-09-12 19:50:43 UTC | 2.4ml | 103 km S of False Pass, Alaska 53.928°, -163.268° | 12.8 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.4 earthquake 103 km S of False Pass, Alaska at 19:50 UTC on September 12, 2026. It arrived roughly 1 hours after a larger magnitude 2.6 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-12 2026-09-12 19:46:16 UTC | 2.6ml | 88 km S of False Pass, Alaska 54.061°, -163.374° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
On September 12, 2026 at 19:46 UTC, a magnitude 2.6 earthquake struck 88 km S of False Pass, Alaska. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-12 2026-09-12 19:36:52 UTC | 2.3ml | 48 km SSE of Denali National Park, Alaska 63.136°, -151.396° | 0.3 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.3 earthquake 48 km SSE of Denali National Park, Alaska at 19:36 UTC on September 12, 2026. 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. | ||||||||
2026-09-12 2026-09-12 19:18:05 UTC | 3.5ml | 21 km NE of Valdez, Alaska 61.290°, -146.120° | 12.7 km | 14 | III | - | Auto | USGS → |
A magnitude 3.5 seismic event took place 21 km NE of Valdez, Alaska on September 12, 2026 at 19:18 UTC. The event was offshore. See the M3.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-12 2026-09-12 19:09:26 UTC | 2.8ml | 249 km SSE of Perryville, Alaska 53.963°, -157.229° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.8 earthquake was recorded 249 km SSE of Perryville, Alaska on September 12, 2026 at 19:09 UTC. It arrived roughly 15 hours after a larger magnitude 3.3 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-12 2026-09-12 19:06:58 UTC | 2.5ml | 214 km SW of Adak, Alaska 50.788°, -179.184° | 11.6 km | - | - | - | ✓ Reviewed | USGS → |
On September 12, 2026 at 19:06 UTC, a magnitude 2.5 earthquake struck 214 km SW of Adak, Alaska. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-12 2026-09-12 18:39:21 UTC | 2.9md | 4 km W of Cobb, CA 38.821°, -122.765° | 1.1 km | 3 | - | - | Auto | USGS → |
At 18:39 UTC on September 12, 2026, a magnitude 2.9 tremor occurred 4 km W of Cobb, CA. In the 72 hours after this event, the USGS recorded 8 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-12 2026-09-12 18:26:16 UTC | 2.9ml | south of the Aleutian Islands 49.485°, -178.879° | 20.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.9 earthquake south of the Aleutian Islands at 18:26 UTC on September 12, 2026. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-12 2026-09-12 18:20:32 UTC | 2.1ml | 15 km NE of Thermal, CA 33.729°, -116.018° | 3.6 km | - | - | - | ✓ Reviewed | USGS → |
On September 12, 2026 at 18:20 UTC, a magnitude 2.1 earthquake struck 15 km NE of Thermal, CA. 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. | ||||||||
2026-09-12 2026-09-12 18:16:31 UTC | 3.3ml | 95 km SSW of Nikolski, Alaska 52.158°, -169.431° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 3.3 event was detected 95 km SSW of Nikolski, Alaska on September 12, 2026, with origin time 18:16 UTC. See the M3.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-12 2026-09-12 17:53:30 UTC | 2.2ml | 16 km NE of Milford, Utah 38.517°, -112.902° | 2.6 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.2 seismic event took place 16 km NE of Milford, Utah on September 12, 2026 at 17:53 UTC. 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. | ||||||||
2026-09-12 2026-09-12 17:51:45 UTC | 4.8mww | 17 km WSW of Lixoúri, Greece 38.139°, 20.256° | 34.0 km | 26 | - | - | ✓ Reviewed | USGS → |
At 17:51 UTC on September 12, 2026, a magnitude 4.8 tremor occurred 17 km WSW of Lixoúri, Greece. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-12 2026-09-12 17:47:28 UTC | 2.1ml | 23 km WNW of Cooper Landing, Alaska 60.561°, -150.235° | 38.8 km | 1 | - | - | ✓ Reviewed | USGS → |
On September 12, 2026, worldwide seismic activity registered a magnitude 2.1 earthquake 23 km WNW of Cooper Landing, Alaska at 17:47 UTC. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-12 2026-09-12 17:25:16 UTC | 2.6ml | 68 km E of Atka, Alaska 52.188°, -173.197° | 3.9 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.6 earthquake was recorded 68 km E of Atka, Alaska on September 12, 2026 at 17:25 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-12 2026-09-12 16:56:08 UTC | 2.0md | 5 km WSW of Fuig, Puerto Rico 17.974°, -66.967° | 8.5 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.0 earthquake was recorded 5 km WSW of Fuig, Puerto Rico on September 12, 2026 at 16:56 UTC. It arrived roughly 7 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. | ||||||||
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 12, 2026. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.