Earthquakes on September 12, 2026
388
EARTHQUAKES on September 12, 2026
24-hour UTC period · USGS data
LARGEST: M5.1 — 99 km S of Yudomari, Japan
35 km deep · 1 person felt it
Elevated activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
2
M4.0–4.9
31
M3.0–3.9
25
M2.0–2.9
83
M1.0–1.9
247
Activity Summary
388
Total earthquakes
~250
Daily average
Elevated
Activity level
2
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
5.1
99 km S of Yudomari, Japan
20:32 UTC · 35.1 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 · 102.4 km deep
4.8
21 km WSW of Lixoúri, Greece
17:51 UTC · 28.4 km deep
Felt by 26
4.8
166 km WSW of Port-Vila, Vanuatu
14:28 UTC · 10.0 km deep
4.8
124 km WNW of Sola, Vanuatu
09:35 UTC · 43.2 km deep
4.8
259 km WSW of Tual, Indonesia
06:14 UTC · 157.7 km deep
4.7
32 km SW of Sipí, Colombia
11:16 UTC · 68.1 km deep
Felt by 2
Earthquake Map — September 12, 2026
All Earthquakes — September 12, 2026
Showing 30 of 141 (filtered from 388)
(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 → |
The USGS recorded this magnitude 2.5 earthquake 71 km SSW of Atka, Alaska at 23:33 UTC on September 12, 2026. 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 → |
This magnitude 2.5 event was detected 95 km SSW of Nikolski, Alaska on September 12, 2026, with origin time 23:15 UTC. Coming 5 hours after a magnitude 3.3 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. | ||||||||
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 → |
Reports of a magnitude 2.1 earthquake 64 km ESE of Akutan, Alaska came in 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 → |
This magnitude 3.4 event was detected 157 km NNE of Vieques, Puerto Rico on September 12, 2026, with origin time 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 → |
At 22:52 UTC on September 12, 2026, a magnitude 3.1 tremor occurred 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 22:40:24 UTC | 4.3mb | 29 km E of Lata, Solomon Islands -10.735°, 166.063° | 179.3 km | - | - | - | ✓ Reviewed | USGS → |
On September 12, 2026 at 22:40 UTC, a magnitude 4.3 earthquake struck 29 km E of Lata, Solomon Islands. The event was offshore. 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 | 93 km NNE of Rabaul, Papua New Guinea -3.376°, 152.351° | 368.2 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.3 earthquake was recorded 93 km NNE of Rabaul, Papua New Guinea on September 12, 2026 at 22:14 UTC. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. 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 → |
On September 12, 2026 at 21:55 UTC, a magnitude 2.3 earthquake struck 12 km S of Guánica, Puerto Rico. This event falls inside the aftershock decay of a nearby magnitude 2.6 earthquake that occurred about 12 hours earlier. 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 → |
At 21:49 UTC on September 12, 2026, a magnitude 2.0 tremor occurred 27 km N of Buckingham, Canada. 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 21:35:46 UTC | 4.1mb | 28 km ENE of Sibolga, Indonesia 1.877°, 98.997° | 133.1 km | - | - | - | ✓ Reviewed | USGS → |
September 12, 2026 brought a magnitude 4.1 earthquake 28 km ENE of Sibolga, Indonesia, logged at 21:35 UTC. See the M4.1 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 → |
A magnitude 2.1 seismic event took place 49 km NW of Toyah, Texas on September 12, 2026 at 21:33 UTC. 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 → |
The USGS recorded this magnitude 3.4 earthquake 141 km NNE of Vieques, Puerto Rico at 20:54 UTC on September 12, 2026. 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 → |
On September 12, 2026 at 20:38 UTC, a magnitude 2.4 earthquake struck 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 20:32:57 UTC | 5.1mww | 99 km S of Yudomari, Japan 29.337°, 130.384° | 35.1 km | 1 | - | - | ✓ Reviewed | USGS → |
On September 12, 2026 at 20:32 UTC, a magnitude 5.1 earthquake struck 99 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 → |
The USGS recorded this magnitude 2.0 earthquake 71 km SSE of Chignik, Alaska at 20:19 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 M2.0 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 → |
This magnitude 2.0 event was detected 71 km SSE of Adak, Alaska on September 12, 2026, with origin time 20:08 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.1 earthquake that occurred about 9 hours earlier. 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 → |
A magnitude 2.4 earthquake was recorded 103 km S of False Pass, Alaska on September 12, 2026 at 19:50 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.6 earthquake that occurred about 1 hours earlier. 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 → |
The USGS recorded this magnitude 2.6 earthquake 88 km S of False Pass, Alaska at 19:46 UTC on September 12, 2026. 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 → |
A magnitude 2.3 earthquake was recorded 48 km SSE of Denali National Park, Alaska on September 12, 2026 at 19:36 UTC. 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 19:18:43 UTC | 4.2mb | 118 km SSE of Shimoda, Japan 33.648°, 139.280° | 15.2 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.2 event was detected 118 km SSE of Shimoda, Japan on September 12, 2026, with origin time 19:18 UTC. See the M4.2 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 → |
On September 12, 2026, worldwide seismic activity registered a magnitude 3.5 earthquake 21 km NE of Valdez, Alaska 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 → |
The USGS recorded this magnitude 2.8 earthquake 249 km SSE of Perryville, Alaska at 19:09 UTC on September 12, 2026. Coming 15 hours after a magnitude 3.5 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. 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 → |
Reports of a magnitude 2.5 earthquake 214 km SW of Adak, Alaska came in on September 12, 2026 at 19:06 UTC. 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 18:50:40 UTC | 3.9mb | Maug Islands region, Northern Mariana Islands 20.164°, 144.998° | 172.0 km | - | - | - | ✓ Reviewed | USGS → |
On September 12, 2026, worldwide seismic activity registered a magnitude 3.9 earthquake in the Maug Islands region, Northern Mariana Islands at 18:50 UTC. See the M3.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-12 2026-09-12 18:39:21 UTC | 2.8md | 4 km W of Cobb, CA 38.819°, -122.764° | 1.4 km | 3 | - | - | ✓ Reviewed | USGS → |
At 18:39 UTC on September 12, 2026, a magnitude 2.8 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 M2.8 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 → |
September 12, 2026 brought a magnitude 2.9 earthquake south of the Aleutian Islands, logged at 18:26 UTC. 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 → |
This magnitude 2.1 event was detected 15 km NE of Thermal, CA on September 12, 2026, with origin time 18:20 UTC. 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 → |
On September 12, 2026 at 18:16 UTC, a magnitude 3.3 earthquake struck 95 km SSW of Nikolski, Alaska. See the M3.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-12 2026-09-12 18:02:48 UTC | 2.0ml | 126 km WSW of Pistol River, Oregon 41.897°, -125.834° | 14.5 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.0 earthquake 126 km WSW of Pistol River, Oregon with origin time 18:02 UTC on September 12, 2026. See the M2.0 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 → |
At 17:53 UTC on September 12, 2026, a magnitude 2.2 tremor occurred 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 M2.2 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 12, 2026. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.