Is Mill Valley on a fault line?

Mill Valley is located within 40 miles of 8 different faults. The US Geological Survey predicts that we face a 62% chance of a major earthquake within the next 25 years.

What is the most active fault line in California?

The San Andreas fault is the primary feature of the system and the longest fault in California, slicing through Los Angeles County along the north side of the San Gabriel Mountains. It can cause powerful earthquakes—as big as magnitude 8.

What fault line runs through the Bay Area?

The San Andreas Fault
The San Andreas Fault and 6 other significant fault zones are present in the Bay Area: the Calaveras, Concord-Green Valley, Greenville, Hayward, Rodgers Creek, and San Gregorio Faults.

Which fault line is the most active?

The Ring of Fire is the largest and most active fault line in the world, stretching from New Zealand, all around the east coast of Asia, over to Canada and the USA and all the way down to the southern tip of South America and causes more than 90 percent of the world’s earthquakes.

Where is the Green Valley fault?

San Francisco Bay area
The Green Valley fault, which is the easternmost strike-slip fault of larger San Andreas system in the San Francisco Bay area, is characterized by aseismic creep and has been monitored by Galehouse (1992 #5333; 1999 #5500) since 1984.

What is a fault valley?

A linear depression produced by faulting; e.g. a small, narrow valley created within a major fault zone by relative depression of narrow slices, or a large graben situated between tilted block mountains, or a valley created by relative uplift on opposite sides of two parallel thrust faults.

What’s the worst earthquake in California?

7.3 – Jan. 31, 1922. West of Eureka.

  • 7.3 – Nov. 4, 1927. SW of Lompoc.
  • 7.3 – June 28, 1992. Landers. 1 killed, 400 injured, 6.5 aftershock.
  • 7.2 – Jan. 22, 1923. Mendocino.
  • 7.2 – Nov. 8, 1980. West of Eureka.
  • 7.2 – April 25, 1992. Cape Mendocino. 6.5 and 6.6 aftershocks.
  • 7.1 – Oct. 16, 1999.
  • 7.1 – May 18, 1940. El Centro.
  • What two states have never had an earthquake?

    Florida and North Dakota are the states with the fewest earthquakes. Antarctica has the least earthquakes of any continent, but small earthquakes can occur anywhere in the World.