Earthquake-+DH

Main Page LIGO

Earthquake



//Everything is in UTC = GTM// From Indonesia to LIGO Hanford station is approximately 20,000 Km


 * P wave speed** = 5 Km/ sec

( //S waves are 60% of the p waves)//
 * S wave speed =** 3 Km/ sec


 * Time difference of p-wave from Indonesia to LIGO***

5 Km / sec = 20,000 Km / //x// sec

//x =// 4,000 sec

4,000 sec X (1 min/ 60 sec) X (1 Hr/ 60 min) = 1.1 Hr

3 Km / sec = 20,000 Km / //y// sec
 * Time difference of s-wave from Indonesia to LIGO***

//y// = 6,666.7 sec

6,666.7 sec X ( 1 min / 60 sec) X (1 Hr/ 60 min) = 1.85 Hr

[|Visualisation of traveling waves] [|How are waves' records obtained] [|Know where earthquakes happen around the world!]

1) Does depth matter? 2) Does it matter if the waves are horizontal or vertical waves? 3) When an earthquake strikes does it strike from the inner core to the surface or does it strike the surface? ---
 * Question to take in account** //( feel free to answer or post questions)//
 * Comments/ questions?**