the worst earthquake in san francisco was the 1989 loma prieta earthquake.
the worst earthquake in san francisco was the 1989 loma prieta earthquake.
when was the worst earthquake in san francisco?
1989 loma prieta earthquake
bullet::::- before and after the great earthquake and fire: early films of san francisco, 1897–1916 – american memory at the library of congress









































bullet::::- a geologic tour of the san francisco earthquake, 100 years later – american geological institute









































bullet::::- the great 1906 earthquake and fire – virtual museum of the city of san francisco website









































bullet::::- the great 1906 earthquake and fire – bancroft library









































bullet::::- mark twain and the san francisco earthquake – shapell manuscript foundation









































bullet::::- several videos of the aftermath – internet archive









































bullet::::- "san francisco earthquake and fire, april 18, 1906"
1906 san francisco earthquake
earthquakes are common in ecuador. near the nazca subduction zone the recorded history of interplate earthquakes spans 80 years. at the time it struck the 1949 ambato earthquake was the second-worst earthquake in ecuador's modern history topped only by the 1797 riobamba earthquake, and the most devastating earthquake in the western hemisphere since the 1944 san juan earthquake. several major earthquakes have occurred throughout the country since 1949, including the 1987 ecuador earthquakes and the 1997 ecuador earthquake. the 2007 peru earthquake also affected the country.









































section::::geology.
1949 ambato earthquake