Page 11 - Fore Shock News Today : Breaking News, Live Updates & Top Stories | Vimarsana

Calling it 9.0 was a surprise. the fact that there were magnitude up to 7.2fore shocks two days before this earthquake is interesting. fore shocks is something we'd like to recognize as an imminent warning of strong earthquakes. we will be studying these earthquakes in detail. jenna: what is a difference between a fore shock, an aftershock and a main shock which we would say is the earthquake. >> the largest event is what we call the main shock, that is the one with the biggest magnitude. because the rock doesn't shift uniformly we'll have many smaller events that follow which kind of help the...

Jenna: why can't we identify them being a real warning sign right now? >> the fore shock was 7.2. we get an earthquake magnitude 7.2, 7.5 on the earth on an average about once a month. moist of the earthquakes that occur year in and year out are not followed by an 8.9 main shock. kp-lg identifying which one of these strong earthquakes is going to be followed by a stronger earthquake, so far we can't do. there is no telltale sign that says this is a fore shock which is this is simply a 7.2 main shock. jenna: it's interesting to think about the characteristics that might help us do that some tim...