90 days and counting 90 days and counting after a repeat of the - - PowerPoint PPT Presentation

▶
90 days and counting 90 days and counting after a repeat
SMART_READER_LITE
LIVE PREVIEW

90 days and counting 90 days and counting after a repeat of the - - PowerPoint PPT Presentation

Feb 10, 2024 22 likes •223 views

90 days and counting 90 days and counting after a repeat of the after a repeat of the 1868 earthquake 1868 earthquake JEANNE PERKINS Mock Public Hearing Presentation Yet People Still Seemed Surprised Yet People Still Seemed Surprised

slide-1
SLIDE 1

90 days and counting 90 days and counting after a repeat of the after a repeat of the 1868 earthquake… 1868 earthquake…

JEANNE PERKINS

Mock Public Hearing Presentation

slide-2
SLIDE 2

Yet People Still Seemed Surprised Yet People Still Seemed Surprised When the San Leandro Earthquake When the San Leandro Earthquake Struck the East Bay 90 Days Ago! Struck the East Bay 90 Days Ago!

slide-3
SLIDE 3

Housing Losses

  • 16,000

uninhabitable units in Loma Prieta

  • 46,000

uninhabitable units in Northridge

  • This earthquake =

93,000 uninhabitable units

slide-4
SLIDE 4

What Happened - M 6.7 on Southern Hayward Fault

  • 93,000

uninhabitable housing units

  • (300,000 – Katrina)
  • 220,000

people displaced

  • (1,700,000 – Katrina)
  • 70,000

people in shelters

slide-5
SLIDE 5

Uninhabitable Housing Units - M 6.7 on Southern Hayward by County

  • 64,450 Alameda
  • 1,760 Contra Costa
  • 1,030 Marin
  • 13,970 San Francisco
  • 11,890 Santa Clara
slide-6
SLIDE 6

Uninhabitable Housing Units - M 6.7 on Southern Hayward in NW Alameda Co.

  • 5,590 Alameda
  • 470 Albany
  • 4,530 Berkeley
  • 1,090 Emeryville
  • 27,600 Oakland
  • 60 Piedmont
  • 42 % of problem
slide-7
SLIDE 7

Uninhabitable Housing Units - M 6.7 on Southern Hayward to South

  • 4,170 San Leandro
  • 7,680 Hayward
  • 1,080 Union City
  • 6,760 Fremont
  • 400 Newark
  • 1,020 Milpitas
  • 5,680 San Jose

29 % of “problem”

slide-8
SLIDE 8

Housing Problems Vary by Type

slide-9
SLIDE 9

Multifamily vs. Single-Family

84% of the problem in the Hayward Nightmare

slide-10
SLIDE 10

Sidesway in Soft-Story Buildings

slide-11
SLIDE 11

Side Sway: 1971

slide-12
SLIDE 12

Side Sway: 1989

slide-13
SLIDE 13

Side Sway: 1994

slide-14
SLIDE 14

Collapse in Soft-Story Buildings

EQ Gravity

slide-15
SLIDE 15

Collapse: 1989

slide-16
SLIDE 16

Collapse: 1994

slide-17
SLIDE 17

What Happened - M 6.7 on Southern Hayward Fault

  • 93,000

uninhabitable housing units

  • (300,000 – Katrina)
  • 220,000

people displaced

  • (1,700,000 – Katrina)
  • 70,000

people in shelters

slide-18
SLIDE 18

The Nightmare Goes On and On...

Peak Shelter Population

10000 20000 30000 40000 50000 60000 70000 80000 D a y 1 D a y 3 D a y 5 D a y 7 D a y 9 D a y 1 1 D a y 1 3 D a y 1 5 Northridge The Hayward Earthquake "Nightmare"

slide-19
SLIDE 19

The Nightmare Goes On and On... SHELTERING

Peak - 70,000 people on day 7 25,000 in shelters on day 90

slide-20
SLIDE 20

The Nightmare Goes On and On... DOLLAR LOSSES

Residential Losses = $ 90 Billion Losses Covered by Earthquake Insurance = $ 4.4 Billion