1989 Loma Prieta earthquake earthquake precursor, more recent studies have cast doubt on the connection, attributing the Corralitos signals to either unrelated magnetic disturbance or, even more simply, to sensor-system malfunction. The earthquake caused severe damage in some very specific locations in the San Francisco Bay Area, most notably on unstable soil in San Francisco and Oakland. Oakland City Hall was evacuated after the earthquake until a US$80M seismic retrofit and hazard abatement work was completed in 1995. Many other communities sustained severe damage throughout the region located in Alameda, San Mateo, Santa Clara, San Benito, Santa Cruz and Monterey counties. Major property damage
Library damage resulting from the 2004 Indian Ocean earthquake Library damage resulting from the 2004 Indian Ocean earthquake Library damage resulting from the 2004 Indian Ocean earthquake has been reported in six Asian countries. On December 26, the massive 2004 Indian Ocean earthquake struck off the northwest coast of the Indonesian island of Sumatra. The resulting tsunamis killed more than 180,000 people. In addition to the loss of human lives, cultural institutions were destroyed in several Asian nations. Libraries on the Eastern coast of Sri Lanka and the northern province of Aceh on Sumatra were most severely affected by the disaster. Damage to libraries in India has not been