1989 Loma Prieta earthquake since the 1906 San Francisco earthquake (to the degree that it was designated a seismic gap) until two moderate foreshocks occurred in June 1988 and again in August 1989. Damage was heavy in Santa Cruz County and less so to the south in Monterey County, but effects extended well to the north into the San Francisco Bay Area, both on the San Francisco Peninsula and across the bay in Oakland. No surface faulting occurred, though a large number of other ground failures and landslides were present, especially in the Summit area of the Santa Cruz Mountains. Liquefaction was also a
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