Who died in the San Francisco earthquake 1989?
Who died in the San Francisco earthquake 1989?
1989 Loma Prieta earthquake
| Image of collapsed Cypress freeway structure in Oakland, California | |
|---|---|
| Santa Cruz Oakland Salinas | |
| Landslides | 1,000–4,000 |
| Foreshocks | 5.3 ML June 27, 1988 5.4 ML August 8, 1989 |
| Casualties | 63 killed, 3,757 injured |
Why did the Bay Bridge collapse in 1989?
On October 17,1989, the Loma Prieta Earthquake struck northern Cali- fornia, causing the collapse of a two-level, 1.25-mile-long section of the Cypress Viaduct on Interstate Route 880 in Oakland; 42 people were killed.
What caused the 1989 San Francisco earthquake?
The earthquake was triggered by a slip along the San Andreas Fault. Its epicentre was in the Forest of Nisene Marks State Park, near Loma Prieta peak in the Santa Cruz mountains, northeast of Santa Cruz and approximately 60 miles (100 km) south of San Francisco.
What size was the 1989 San Francisco earthquake?
magnitude 6.9
Pagination. On October 17, 1989, at 5:04:15 p.m. (PDT), a magnitude 6.9 earthquake severely shook the San Francisco and Monterey Bay regions. The epicenter was located near Loma Prieta peak in the Santa Cruz Mountains, approximately 14 km (9 mi) northeast of Santa Cruz and 96 km (60 mi) south-southeast of San Francisco …
How long did the 89 earthquake last?
15 seconds
Caused by a slip along the San Andreas Fault, the quake lasted 10–15 seconds and measured 6.9 on the moment magnitude scale, or 6.9 on the open-ended Richter Scale. The quake killed 63 people throughout northern California, injured 3,757 and left some 3,000-12,000 people homeless.
Did the 1989 San Francisco 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 Nimitz Freeway collapse?
Concurring with earlier analyses of the failures, the board said the Nimitz collapsed primarily because the joints connecting the upper and lower columns were too weak.
What was the worst earthquake in California?
7.3 – Jan. 31, 1922. West of Eureka.
What is the strongest earthquake in California?
7.9- April 18, 1906. San Francisco.
When did bay bridge collapse?
1989
The largest span of the original eastern section was a cantilever bridge. During the 1989 Loma Prieta earthquake, a portion of the eastern section’s upper deck collapsed onto the lower deck and the bridge was closed for a month….
| San Francisco–Oakland Bay Bridge | |
|---|---|
| Opened | November 12, 1936 |
| Statistics | |
| Daily traffic | 260,000 |
How many people died in Nimitz Freeway collapse?
42 people
– The city of Oakland commemorated the 42 people who died on the collapsed Cypress freeway, when the magnitude 6.9 Loma Prieta earthquake struck 30 years ago today.
What happened to the Cypress Street Viaduct?
When the Magnitude 7.1 Loma Prieta earthquake struck, tragedy ensued. 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.
