Question 1: [1]
Preliminary reports cited the Whittier fault as
the active cause, but the quake was later determined to have been
generated by the "Yorba Linda trend," as identified by
Caltech________ Egill Hauksson.
Question 7: Though no lives were lost during the earthquake, it caused
considerable damage in numerous structures throughout the area and
caused some ________ facilities to shut down
their rides.
Question 8: [4][7]
Unlike previous earthquakes in the region—such as the ________
and the 1987 Whittier Narrows
earthquake, which caused serious structural damage and
fatalities—this quake caused only minor damage.