earthquakes Flashcards
during an earthquake, energy travels through earth in the form of ….?
seismic waves
where the rocks break and where seismic energy is first released
focus or hypocenter
it is found within the fault plate
focus or hypocenter
point on the crust of earth directly above the focus
epicenter
focus of an earthquake
shallow
10 to 100 km
focus of an earthquake
intermediate
70 to 300 km
focus of an earthquake
deep
300 or deeper
the earthquakes are strongest at the epicenter than at any other point on earth’s surface
true
underwater earthquakes associated with oceanic-continental subduction cause a vertical movement of the seafloor
true
greater than magnitude 7 and whose focus is less than 30km produce a significant movement that generates large ocean waves called
tsunami
use to find the exact location of the epicenter
seismic information
seismologists use the information recorded from atleast three seismographic stations
triangulation technique
founder of modern geology
james hutton