- 1 How many people did Loma Prieta kill?
- 2 How many people died on the Cypress Freeway?
- 3 Who died in Loma Prieta earthquake?
- 4 Why did the Cypress Structure collapse?
- 5 What is the largest earthquake ever recorded?
- 6 How did people die Loma Prieta?
- 7 Why did Interstate 880 collapse during the earthquake?
- 8 What type of ground material experienced the least amount of shaking during the aftershock?
- 9 How long did the Loma Prieta earthquake last?
- 10 Did the Loma Prieta earthquake cause a tsunami?
- 11 Why did the Bay Bridge collapse in 1989?
- 12 What year did the Cypress Freeway collapse?
- 13 How many died in Bay Bridge collapse?
How many people did Loma Prieta kill?
It’s been 30 years since the 6.9 Loma Prieta earthquake– 63-people died and more than 3,700 were injured and the damage added up to more than $6-billion.
How many people died on the Cypress Freeway?
Forty-two people were killed in the collapse of the double-decked Cypress Freeway in Oakland, Calif., on Oct. 17, 1989, when the Loma Prieta Earthquake rocked the San Francisco Bay Area.
Who died in Loma Prieta earthquake?
San Francisco earthquake of 1989, also called Loma Prieta earthquake, major earthquake that struck the San Francisco Bay Area, California, U.S., on October 17, 1989, and caused 63 deaths, nearly 3,800 injuries, and an estimated $6 billion in property damage.
Why did the Cypress Structure collapse?
During the earthquake, a 1.4-kilometer section of the Cypress Viaduct collapsed. As the upper level fell, slabs of concrete trapped many unsuspecting motorists. Two major factors led to the collapse of the Cypress Structure. The first was the geotechnical features of the San Francisco Bay area.
What is the largest earthquake ever recorded?
The very largest quake ever to be recorded was the Great Chilean Earthquake (Valdivia Earthquake) on 22 May 1960. At magnitude 9.5, it was about as large as an earthquake according to geophysical laws can be.
How did people die Loma Prieta?
The Loma Prieta earthquake caused 63 deaths, 3,757 injuries, and about $6 billion in damage. Many casualties occurred as parts of several transportation routes, including the San Francisco-Oakland Bay Bridge and a busy freeway, collapsed. person who participates or competes in sporting events.
Why did Interstate 880 collapse during the earthquake?
The road connected I-880 with I-80 and the Bay Bridge, and has now been replaced by surface freeway that does the same. “At the time of its design, such structures were not analyzed as a whole, and it appears that large structure motion contributed to the collapse,” as Wikipedia explains.
What type of ground material experienced the least amount of shaking during the aftershock?
I believe the ground material that experienced the least amount of shaking during the aftershock is the bedrock.
How long did the Loma Prieta earthquake last?
When. 5:04 p.m., Tuesday, October 17, 1989. The shaking lasted 20 seconds.
Did the Loma Prieta earthquake cause a tsunami?
We investigated the tsunami recorded at Monterey, California, during the 1989 Loma Prieta earthquake (MW=6.9). The first arrival of the tsunami was about 10 min after the origin time of the earthquake. However, the period of the synthetic tsunami is too long compared with the observed.
Why did the Bay Bridge collapse in 1989?
17, 1989, ABC7 News reporter Leslie Brinkley was on her way to a routine assignment in Oakland. Her story and her life changed in 15 seconds. At 5:04 p.m., the Loma Prieta earthquake shook with such violent force it tore the San Francisco-Oakland Bay Bridge in two while she and her crew were crossing it.
What year did the Cypress Freeway collapse?
1989 Loma Prieta Earthquake: Cypress Freeway collapse survivor Buck Helms remembered by Caltrans rescuer.
How many died in Bay Bridge collapse?
A 1.25-mile segment of the two-level Cypress Street Viaduct along the Nimitz Freeway (Interstate 880), just south of the San Francisco-Oakland Bay Bridge, collapsed during the quake, resulting in 42 fatalities when the upper level of the road crashed onto the cars on the lower level.