Pasadena orogeny

Pasadena orogeny is a

During this orogeny mountain ranges such as the San Bernardino Mountains, San Gabriel Mountains, San Jacinto Mountains, Santa Monica Mountains, Santa Ynez Mountains^[10] and the Transverse Ranges grew,^[11] as did the northern Channel Islands^[10] such as Catalina Island and San Clemente Island,^[12] the Kettleman Hills anticline in the San Joaquin Valley^[13] and the Palos Verdes Hills.^[14][12] Sometimes the concept is limited to the uplift of the Transverse Ranges.^[15]

The general uplift of mountains over a length of over 400 kilometres (250 mi) is caused by the collision of the North American Plate with other geologic structures that are attached to the Pacific Plate.^[10] This orogeny has resulted in the uplift of mostly north-south trending mountain chains, although some east-west trending uplifts are also found such as the Channel Islands and the Transverse Ranges;^[13] much of the uplift took place at the edge of basins.^[16] The Pasadena orogeny is accompanied by earthquake activity, which includes tsunami hazards.^[17]

Folding accompanying the uplift of the