Northridge earthquake shattered Los Angeles 25 years ago

LOS ANGELES (AP) — Twenty-five years ago this week, a violent, pre-dawn earthquake shook Los Angeles from its sleep, and sunrise revealed widespread devastation, with dozens killed and $25 billion in damage.

A look back at the damage, deaths and developments in seismic safety since the disaster:___

THE QUAKE

At 4:31 a.m. on Jan. 17, 1994, a hidden fault lurking under the city's San Fernando Valley neighborhoods unleashed a magnitude 6.7 earthquake that shattered buildings, broke water mains and ignited fires.

The so-called blind thrust fault — one with no surface features to reveal its presence — caused a block of earth to move upward.