QuakeIndex

Fault · Alaska

Bancas Point fault

23 kmlong (14 mi), as mapped
not measuredhow fast it slips
last 150 yearssince it last broke the surface
4quakes of M2.5+ within 10 km since 2016

In plain English

It has broken the ground surface within the last 150 years.

This week vs. its last ten years

0/100

quiet

0 quakes of M1.5+ within 5 km of the trace in the last 7 days — busier than 0% of weeks since 2016. A normal week: 0–1.

Computed from the USGS catalogue · a description of the past, not a forecast · method

Denali faultFairweather fault systemTransition faultYakutat fault (also known as Foothills fault)Chaix Hills fault (Chugach-St. Elias fold and thrust belt)Malaspina fault (Chugach-St. Elias fold and thrust belt)Boundary faultOtmeloi fault
The Bancas Point fault as mapped at the surface (glowing), with the other mapped faults nearby, 4 of the M2.5+ earthquakes within 10 km of it since 2016 (dots), . Traces: USGS Quaternary Fault and Fold Database. Historic epicentres are estimates.

Every year since 2016

Earthquakes of M2.5+ with an epicentre within 10 km of the mapped trace. Near is not the same as on: some will have slipped on neighbouring faults.

Most recent near it

  1. M 2.5 49 km NNE of Yakutat, Alaska
    2023-07-05 · 3 km from the trace
  2. M 3.1 65 km NNE of Yakutat, Alaska
    2021-12-31 · 9 km from the trace
  3. M 3.0 51 km NNE of Yakutat, Alaska
    2018-09-18 · 9 km from the trace
  4. M 3.3 61 km NNE of Yakutat, Alaska
    2016-02-21 · 7 km from the trace

Neighbouring faults

Fault trace, slip rate and age: USGS Quaternary Fault and Fold Database (public domain), simplified for the web. Earthquakes: USGS ComCat. QuakeIndex does not forecast earthquakes; a fault's history describes the past. For early warning use ShakeAlert.