World Map › Active Faults › Fairweather Fault
Active Fault
Fairweather Fault
Strike-Slip Fault · United States of America
The Fairweather Fault is a strike-slip fault, where the two blocks slide horizontally past each other. Its mapped traces are about 770 km long in the United States of America. It marks the boundary between the Pacific Plate and the North American Plate. Its slip rate is estimated at 5 mm per year. Since 1900, 4 major earthquakes have occurred within 30 km of its trace.
- Type
- Strike-Slip Fault
- Mapped Length
- ≈ 770 km
- Slip Rate
- 5 mm per year
- Countries
- United States of America
- Plates
- Pacific Plate, North American Plate
Major Earthquakes Within 30 km
Deadly or magnitude 7+ earthquakes recorded by NOAA, most recent first.
- 2013Southeastern, United States of America · M 7.5
- 1972Sitka, Juneau, United States of America · M 7.6
- 19581958 Lituya Bay Earthquake and Megatsunami · M 7.85 deaths
- 1927Se Alaska, United States of America · M 7.1
Sources: GEM Global Active Faults (Styron et Pagani, 2020), CC BY-SA 4.0, catalogue GEM Faulted Earth · NOAA NCEI · Bird (2003), PB2002 · Wikidata