events
The 6.9 Mw Loma Prieta earthquake shakes the San Francisco Bay Area and the Central Coast, killing 63.
Related Wikipedia articles
Seismic magnitude scales
Scales to describe earthquake strength
Seismic magnitude scales are used to describe the overall strength or "size" of an earthquake. These are distinguished from seismic intensity scales that categorize the intensity or severity of ground shaking (quaking) caused by an earthquake at a given location. Magnitudes are…Source: Wikipedia (CC BY-SA)
1989 Loma Prieta earthquake
Major earthquake in Northern California
On October 17, 1989, at 5:04 p.m. PST, the Loma Prieta earthquake occurred at the Central Coast of California. The shock was centered in The Forest of Nisene Marks State Park in Santa Cruz County, approximately 10 mi (16 km) northeast of Santa Cruz on a section of the San…Source: Wikipedia (CC BY-SA)