events
The 5.9 Mw Whittier Narrows earthquake shakes the San Gabriel Valley with a Mercalli intensity of VIII (Severe), killing eight and injuring 200.
Related Wikipedia articles
1987 Whittier Narrows earthquake
Earthquake in southern California
The 1987 Whittier Narrows earthquake occurred in the southern San Gabriel Valley and surrounding communities of Southern California, United States, at 7:42 a.m. PDT on October 1. The moderate magnitude 5.9 blind thrust earthquake was centered several miles north of Whittier in…Source: Wikipedia (CC BY-SA)
Modified Mercalli intensity scale
Seismic intensity scale used to quantify the degree of shaking during earthquakes
The Modified Mercalli intensity scale measures the effects of an earthquake at a given location. This is in contrast with the seismic magnitude usually reported for an earthquake.Source: Wikipedia (CC BY-SA)