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
1989 West Papua earthquake 1989 West Papua earthquake The 1989 West Papua earthquake struck West Papua, Indonesia – then Irian Jaya province – on August 1 with a moment magnitude of 6.0 and a maximum Mercalli intensity of VIII ("Severe"). Around 120 people were killed, mainly due to landslides and mudslides. The West Papua earthquake struck at 9:17 local time and measured 5.7 and 6.0 on the moment magnitude scale. Its epicenter was located south of Jayapura; the earthquake reached as far as Wamena. There were multiple aftershocks. The earthquake killed 120 people and left 120 injured; all of the dead were recovered from