One hundred years after the San Francisco earthquake, the state's top historic libraries are unveiling a massive $1 million online archive that chronicles in amazing detail what happened on that fateful April 18.

Thanks to the digital age, the project brings the quake of '06 alive in ways never possible before. You can read scribbled recollections as aftershocks hit, hear voices of San Franciscans screaming as the big temblor relentlessly shakes, and view photos of what your neighborhood or town looked like in April 1906.

The online trove took archivists and researchers from six California institutions five years to build. The online archive, of which Stanford University Libraries, among others, is a partner, officially launches next Thursday. A companion physical exhibit opened Wednesday on the University of California-Berkeley campus.

Click here for the website.