[["On October 17th 1989, at 5:04 p.m. local time, the greater San Francisco Bay Area in California was struck by an earthquake that measured 7.1 on the Richter magnitude scale.", 57.0], ["The LomaPrieta Earthquake, measuring 6.9 on Richter scale, struck San Francisco-Oakland area of CA. 10-28-1989. Homes&offices were wrecked&fires broke out. Most of the estimated 63deaths came when a 1/2 mile part of double-decker Interstate 880 highway collapsed, crushing vehicles on the lower deck.", 56.0]]
how strong was the nineteen eighty nine san francisco earthquake
history,earthquake,earthquakes