Earthquakes on September 27, 2026
211
EARTHQUAKES on September 27, 2026
24-hour UTC period · USGS data
LARGEST: M5.3 — Balleny Islands region
10 km deep
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
5
M4.0–4.9
22
M3.0–3.9
10
M2.0–2.9
53
M1.0–1.9
121
Activity Summary
211
Total earthquakes
~250
Daily average
Normal
Activity level
5
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
5.3
Balleny Islands region
15:41 UTC · 10.0 km deep
5.1
90 km ENE of Tadine, New Caledonia
02:22 UTC · 10.0 km deep
5.0
South Sandwich Islands region
21:13 UTC · 103.8 km deep
5.0
191 km NW of Oula Xiuma, China
16:43 UTC · 10.0 km deep
5.0
61 km ENE of Tadine, New Caledonia
01:18 UTC · 10.0 km deep
4.9
159 km ESE of Gizo, Solomon Islands
04:59 UTC · 10.0 km deep
4.8
2 km W of Guaymate, Dominican Republic
21:49 UTC · 119.2 km deep
Felt by 216
4.6
19 km SW of Sipí, Colombia
21:57 UTC · 70.5 km deep
Earthquake Map — September 27, 2026
All Earthquakes — September 27, 2026
Showing 30 of 90 (filtered from 211)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
5 days ago 2026-09-27 23:55:48 UTC | 4.5mb | Fiji region -21.994°, -179.782° | 602.2 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.5 earthquake was recorded in the Fiji region on September 27, 2026 at 23:55 UTC. This is the deepest earthquake in the current dataset — a deep-focus event. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
5 days ago 2026-09-27 23:45:52 UTC | 2.5ml | 59 km NW of Toyah, Texas 31.617°, -104.312° | 8.5 km | - | - | - | ✓ Reviewed | USGS → |
On September 27, 2026, worldwide seismic activity registered a magnitude 2.5 earthquake 59 km NW of Toyah, Texas at 23:45 UTC. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
5 days ago 2026-09-27 23:02:56 UTC | 2.2md | 15 km N of Brooktrails, CA 39.576°, -123.374° | 6.9 km | - | - | - | Auto | USGS → |
This magnitude 2.2 event was detected 15 km N of Brooktrails, CA on September 27, 2026, with origin time 23:02 UTC. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
5 days ago 2026-09-27 22:32:40 UTC | 2.3ml | 81 km NW of Nondalton, Alaska 60.535°, -155.784° | 5.0 km | - | - | - | Auto | USGS → |
On September 27, 2026 at 22:32 UTC, a magnitude 2.3 earthquake struck 81 km NW of Nondalton, Alaska. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
5 days ago 2026-09-27 22:10:29 UTC | 2.2md | 5 km SW of Yountville, CA 38.368°, -122.407° | 7.5 km | 3 | - | - | Auto | USGS → |
A magnitude 2.2 earthquake was recorded 5 km SW of Yountville, CA on September 27, 2026 at 22:10 UTC. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
5 days ago 2026-09-27 22:09:02 UTC | 3.5ml | 73 km SSW of Atka, Alaska 51.578°, -174.561° | 10.0 km | - | II | - | ✓ Reviewed | USGS → |
A magnitude 3.5 seismic event took place 73 km SSW of Atka, Alaska on September 27, 2026 at 22:09 UTC. See the M3.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
5 days ago 2026-09-27 21:57:52 UTC | 4.6mb | 19 km SW of Sipí, Colombia 4.531°, -76.775° | 70.5 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.6 earthquake 19 km SW of Sipí, Colombia came in on September 27, 2026 at 21:57 UTC. The event was offshore. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
5 days ago 2026-09-27 21:53:36 UTC | 2.6ml | 37 km ENE of Chase, Alaska 62.611°, -149.453° | 61.7 km | - | - | - | Auto | USGS → |
This magnitude 2.6 event was detected 37 km ENE of Chase, Alaska on September 27, 2026, with origin time 21:53 UTC. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
5 days ago 2026-09-27 21:49:48 UTC | 4.8mww | 2 km W of Guaymate, Dominican Republic 18.587°, -68.999° | 119.2 km | 216 | - | - | ✓ Reviewed | USGS → |
This magnitude 4.8 event was detected 2 km W of Guaymate, Dominican Republic on September 27, 2026, with origin time 21:49 UTC. The event was offshore. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
5 days ago 2026-09-27 21:36:20 UTC | 3.3ml | 271 km SE of Sand Point, Alaska 53.511°, -157.733° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 3.3 earthquake 271 km SE of Sand Point, Alaska with origin time 21:36 UTC on September 27, 2026. The event was offshore. See the M3.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
5 days ago 2026-09-27 21:26:21 UTC | 2.2ml | 47 km W of Anchor Point, Alaska 59.748°, -152.677° | 87.6 km | - | - | - | Auto | USGS → |
Seismographs logged a magnitude 2.2 earthquake 47 km W of Anchor Point, Alaska with origin time 21:26 UTC on September 27, 2026. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
5 days ago 2026-09-27 21:17:13 UTC | 2.6ml | 73 km NNE of Petersville, Alaska 63.139°, -150.410° | 111.7 km | - | - | - | Auto | USGS → |
Reports of a magnitude 2.6 earthquake 73 km NNE of Petersville, Alaska came in on September 27, 2026 at 21:17 UTC. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
5 days ago 2026-09-27 21:14:51 UTC | 4.5mb | 0 km ESE of Naisano Dua, Indonesia -9.600°, 123.776° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.5 earthquake 0 km ESE of Naisano Dua, Indonesia with origin time 21:14 UTC on September 27, 2026. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
5 days ago 2026-09-27 21:13:33 UTC | 5.0mb | South Sandwich Islands region -59.059°, -25.895° | 103.8 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 5.0 earthquake in the South Sandwich Islands region with origin time 21:13 UTC on September 27, 2026. See the M5.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
5 days ago 2026-09-27 20:49:21 UTC | 4.4mb | 269 km S of Severo-Kuril’sk, Russia 48.291°, 156.778° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 20:49 UTC on September 27, 2026, a magnitude 4.4 tremor occurred 269 km S of Severo-Kuril’sk, Russia. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
5 days ago 2026-09-27 20:49:20 UTC | 4.0mb | 32 km N of Whakatane, New Zealand -37.665°, 177.008° | 151.3 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.0 earthquake 32 km N of Whakatane, New Zealand at 20:49 UTC on September 27, 2026. The event was offshore. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
5 days ago 2026-09-27 19:45:57 UTC | 2.1md | 5 km WNW of The Geysers, CA 38.791°, -122.808° | 3.0 km | - | - | - | Auto | USGS → |
A magnitude 2.1 seismic event took place 5 km WNW of The Geysers, CA on September 27, 2026 at 19:45 UTC. In the 72 hours after this event, the USGS recorded 6 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
5 days ago 2026-09-27 19:33:31 UTC | 4.1mb | Kermadec Islands region -31.425°, -179.850° | 348.6 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.1 earthquake in the Kermadec Islands region with origin time 19:33 UTC on September 27, 2026. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
6 days ago 2026-09-27 19:22:10 UTC | 4.0mb | Iceland region 68.849°, -17.176° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.0 event was detected in the Iceland region on September 27, 2026, with origin time 19:22 UTC. Coming 8 hours after a magnitude 4.3 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
6 days ago 2026-09-27 19:10:36 UTC | 2.6md | 9 km NW of Redwood Valley, CA 39.324°, -123.270° | -0.4 km | 7 | - | - | Auto | USGS → |
At 19:10 UTC on September 27, 2026, a magnitude 2.6 tremor occurred 9 km NW of Redwood Valley, CA. 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. | ||||||||
6 days ago 2026-09-27 19:05:12 UTC | 4.6mb | 102 km ENE of Tadine, New Caledonia -21.302°, 168.834° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.6 seismic event took place 102 km ENE of Tadine, New Caledonia on September 27, 2026 at 19:05 UTC. Coming 17 hours after a magnitude 5.1 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
6 days ago 2026-09-27 18:55:43 UTC | 4.3mb | 17 km SSE of Chaitén, Chile -43.066°, -72.648° | 10.0 km | 3 | - | - | ✓ Reviewed | USGS → |
This magnitude 4.3 event was detected 17 km SSE of Chaitén, Chile on September 27, 2026, with origin time 18:55 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
6 days ago 2026-09-27 18:29:58 UTC | 4.6mb | 19 km NW of Yongning, China 27.974°, 100.555° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
September 27, 2026 brought a magnitude 4.6 earthquake 19 km NW of Yongning, China, logged at 18:29 UTC. The event was offshore. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
6 days ago 2026-09-27 18:29:49 UTC | 2.1ml | 30 km WNW of Anchor Point, Alaska 59.919°, -152.299° | 91.3 km | - | - | - | Auto | USGS → |
September 27, 2026 brought a magnitude 2.1 earthquake 30 km WNW of Anchor Point, Alaska, logged at 18:29 UTC. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
6 days ago 2026-09-27 18:27:09 UTC | 3.0ml | 117 km NE of Honomu, Hawaii 20.492°, -154.202° | 15.2 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 3.0 earthquake 117 km NE of Honomu, Hawaii at 18:27 UTC on September 27, 2026. The event was offshore. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
6 days ago 2026-09-27 18:15:58 UTC | 2.3md | 16 km S of Tres Pinos, CA 36.648°, -121.303° | 8.1 km | - | - | - | Auto | USGS → |
A magnitude 2.3 seismic event took place 16 km S of Tres Pinos, CA on September 27, 2026 at 18:15 UTC. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
6 days ago 2026-09-27 18:03:23 UTC | 3.3ml | 25 km E of Atka, Alaska 52.230°, -173.830° | 16.9 km | - | II | - | ✓ Reviewed | USGS → |
On September 27, 2026 at 18:03 UTC, a magnitude 3.3 earthquake struck 25 km E of Atka, Alaska. The event was offshore. See the M3.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
6 days ago 2026-09-27 16:58:08 UTC | 2.6ml | 65 km ENE of Pedro Bay, Alaska 59.957°, -152.981° | 127.9 km | - | - | - | Auto | USGS → |
A magnitude 2.6 seismic event took place 65 km ENE of Pedro Bay, Alaska on September 27, 2026 at 16:58 UTC. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
6 days ago 2026-09-27 16:43:10 UTC | 5.0mb | 191 km NW of Oula Xiuma, China 35.386°, 99.554° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On September 27, 2026, worldwide seismic activity registered a magnitude 5.0 earthquake 191 km NW of Oula Xiuma, China at 16:43 UTC. The event was offshore. See the M5.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
6 days ago 2026-09-27 15:52:35 UTC | 2.3ml | 55 km SSW of Whites City, New Mexico 31.699°, -104.556° | 5.5 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.3 earthquake was recorded 55 km SSW of Whites City, New Mexico on September 27, 2026 at 15:52 UTC. See the M2.3 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 27, 2026. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.