Wondering a foating rupture algorithm in simple fault.

[Byeong-Seong Choi]

Hello.

Nowadays, I am trying to apply OQ to spesific region...

But I have some trouble in using a Simple fault because the size of rupture can exceed the area of whole simple fault.

(e.g. M=8.6 gives 3.9938e+04km2 as an area of a rupture by Magnitude-scaling relationship but the whole area of simple fault is just 1.8776e+03km2. The area of a rupture exceeds the area of the whole active fault.)

As I read on the OQ manual, the simple fault defines that all ruptures should be float on the simple fault.

How GEM deals this stiuation in OQ??

[Byeong-Seong Choi]

In this situation, rupture cannot float on the fault as I think because the rupture is bigger than active fault... How floating algorithm overcomes this??

2016년 2월 2일 화요일 오후 9시 29분 21초 UTC+9, Byeong-Seong Choi 님의 말:

[Graeme Weatherill]

Hello,

When the magnitude gives an area that is greater than or equal than the area of the whole fault then the rupture doesn't need to float - simply the entire fault surface becomes the rupture surface. There is no limit enforced with respect to the magnitude.

Graeme

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