How big was the Whittier earthquake 1987?
How big was the Whittier earthquake 1987?
5.9 M
1987 Whittier Narrows earthquake
| Las Vegas Los Angeles San Luis Obispo San Diego Las Vegas | |
|---|---|
| UTC time | 1987-10-01 14:42:18 |
| Local time | 7:42 a.m. PDT |
| Magnitude | 5.9 Mw |
| Depth | 14 km (8.7 mi) |
What fault was the Whittier Narrows earthquake?
This earthquake occurred on a previously unknown, concealed thrust fault approximately 20 km east of downtown Los Angeles, California. It resulted in eight fatalities and $358 million in property damage.
What year was the Whittier Narrows earthquake in California?
1987
Anniversary of 1987 Whittier Narrows earthquake offers reminder to Californians to reduce their risk of loss from earthquakes. The Whittier Narrows earthquake occurred about 12 miles east of Los Angeles on a previously unknown fault.
How long did the Whittier Narrows earthquake last?
At 7:42 a.m. on October 1, a 6.1-magnitude earthquake jolted Whittier and the surrounding area for a full 30 seconds, violently shaking people out of their beds and causing unsecured items to crash to the floors in homes throughout the region.
What is the highest magnitude earthquake?
magnitude 9.5
The largest earthquake ever recorded was a magnitude 9.5 on May 22, 1960 in Chile on a fault that is almost 1,000 miles long…a “megaquake” in its own right.
Where was the Whittier Narrows earthquake in 1987?
The back wall of a thrift store on Main Street in Alhambra collapsed in the 1987 Whittier Narrows earthquake. Some cars parked in the street were crushed by falling bricks. G. Reagor.
Where was the earthquake in California in 1987?
The moderate 5.9 magnitude blind thrust earthquake was centered several miles north of Whittier in the town of Rosemead, had a relatively shallow depth, and was felt throughout southern California and southern Nevada. Many homes and businesses were affected, along with roadway disruptions, mainly in Los Angeles and Orange counties.
What was the highest earthquake level in Whittier?
Only Whittier experienced a level of VIII ( Severe ), the highest experienced during the event, with the historic uptown area suffering the greatest damage. A separate M5.2 strike-slip event occurred three days later and several kilometers to the northwest that also caused damage and one additional death.
When was the last earthquake in Los Angeles?
The deadly Whittier Narrows earthquake jolted Southern California at 7:42 a.m. on Oct. 1, 1987, marking the Los Angeles area’s most destructive earthquake in nearly two decades. G. Reagor. U.S. Geological Survey