Barajlar002

Seismic hazard: quake hazards & forecasting

Structure of talk ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Hazardous phenomena generated by earthquakes ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Ground shaking ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Kobe 1995

More on duration of strong motion ,[object Object],[object Object],[object Object],[object Object],[object Object],F Intensity of shaking Duration of shaking Increasing distance from fault

Duration and peak acceleration of strong motion

Local influences on ground shaking ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

More on ground conditions Ground conditions can also affect seismic intensity

The clay problem (Mexico City 1985) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Mexico City 1985

Ground lurching & displacement ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],San Francisco 1906

Differential ground settlement ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Izmit 1999

Liquefaction ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Void collapse Pore pressure increases result Original sediment structure

More about liquefaction ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Sand boils result from expelled water

Examples of liquefaction ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Niigata (Japan 1964)

Maximum possible distances for liquefaction M s 8.5 20 km 125 km 650 km 1500 km M s 8 M s 7 M s 6

Seismogenic mass movements ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Lateral spread San Francisco 1906

Other major seismogenic landslides Huascaran (Peru 1970) Sherman glacier (Alaska 1964)

Seiches & tsunami ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Hilo (Hawaii) 1946

Some notable seismogenic tsunami

Destructive capacity of tsunami ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Aitape (PNG) 1998

Tsunamigenic earthquakes ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Submarine slide simulation (PNG 1998)

Tsunami magnitude scale (Japan)

Structural collapse ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Pancake collapse of concrete building (Gujarat 2001)

More on structural collapse ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Collapse of rock and cement buildings (Gujarat 2001)

Solutions to structural collapse ,[object Object],[object Object],[object Object],[object Object]

Earthquake loss-susceptibility by construction type NSD = Non-seismic design Modified Mercalli Intensity Average damage (%)

Fire-following quake ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],San Francisco 1906

Fire following Japanese quakes ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Kobe Tokyo

Floods & dam bursts ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Lower San Fernando Dam (California) 1971

Forecasting earthquakes ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

San Andreas example ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Problems with forecasting ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Cascadia subd. zone

The Seismic Gap concept ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Istanbul seismic gap

Seismic intensity forecasting ,[object Object],[object Object],[object Object],[object Object],[object Object],Seismic intensity forecast map - Tokai (Japan)

Probabilistic forecasting ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Strain measurement and forecasting ,[object Object],[object Object],[object Object],[object Object]

Calculating probabilities ,[object Object],[object Object],[object Object],[object Object],Magnitude 6 Amount of slip Time

The quake probability histogram ,[object Object],[object Object],[object Object],[object Object],[object Object],Quake frequency Recurrence time T1 T2 T1 T2

The quake probability histogram & the San Andreas ,[object Object],[object Object],[object Object],[object Object]

Predicting earthquakes ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Proposed earthquake precursors ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Barajlar002

Recommended

Recommended

More Related Content

What's hot

What's hot (20)

Viewers also liked

Viewers also liked (6)

Similar to Barajlar002

Similar to Barajlar002 (20)

Recently uploaded

Recently uploaded (20)

Barajlar002