Unified Interior Regions

California

States L2 Landing Page Tabs

Filter Total Items: 1,162
Image: Vertical Displacement Across Tennis Court
October 17, 1989

Vertical Displacement Across Tennis Court

Crack system with 1.2 m (4 ft) of vertical displacement across a clay tennis court; fracture passes across retaining wall and up slope beyond view. West of Summit Road, southeast of Highway 17.

Image: Broken Concrete Divider
October 17, 1989

Broken Concrete Divider

Broken concrete divider near the intersection of Summit Road and Highway 17.

Image: Liquefaction in Subsurface Layer of Sand
October 17, 1989

Liquefaction in Subsurface Layer of Sand

Ground shaking triggered liquefaction in a subsurface layer of sand, producing differential lateral and vertical movement in a overlying carapace of unliquified sand and silt, which moved from right to left toward the Pajaro River. This mode of ground failure, termed "lateral spreading," is a principal cause of liquefaction-related earthquake damage.

Image: Damaged Buildings
October 17, 1989

Damaged Buildings

Partially razed earthquake-damaged unreinforced-masonry buildings in Old Town historical district, City of Salinas.

Image: Cypress Viaduct
October 17, 1989

Cypress Viaduct

Support-column failure and collapsed upper deck, Cypress viaduct.

Image: Unfastened Bookcases
October 17, 1989

Unfastened Bookcases

Unfastened bookcases in an office building fell during the primary shock.

Image: Crack System Destroys Driveway
October 17, 1989

Crack System Destroys Driveway

A crack system destroys driveway adjacent to summit road 0.8 km (1/2 mi) southeast of Highway 17.

Image: Clock Tower
October 17, 1989

Clock Tower

Clock tower near north end of Pacific Garden Mall. Not known if clock was fast or if it ran for about 6 minutes after the earthquake.

Image: Crack Down Front of Store
October 17, 1989

Crack Down Front of Store

Crack down front of Ford's Department Store, downtown Watsonville. Although this fracture appears minor, the building was significantly damaged.

Image: Reinforcement Bars of Cypress Viaduct
October 17, 1989

Reinforcement Bars of Cypress Viaduct

Bent reinforcement bars in failed support column, Cypress viaduct.

Image: Dislodged Books and Duct
October 17, 1989

Dislodged Books and Duct

Books and air-conditioning duct were dislodged during the earthquake.

Image: Surface Cracks
October 17, 1989

Surface Cracks

A geologist traces surface cracks in a corral adjacent to summit road approximately 1.6 km (1 mi) southeast of Highway 17.