WebThe first motion of an earthquake occurs at the focus. What is the difference between the focus and the epicenter of an earthquake? The focus is the location within Earth along a … WebThe first seismic waves to reach seismograph stations move in a push-and-pull motion. They are called _____. ... Earthquakes occur because of _____. plate tectonics. Hanging …
quiz 1 Flashcards Quizlet
WebOnly earthquakes and objects from space At what location does the first motion of an earthquake occur The focus A foreshock is A small earthquake happening before a … WebAn earthquake is caused by a sudden slip on a fault. The tectonic plates are always slowly moving, but they get stuck at their edges due to friction. When the stress on the edge … fluid buildup behind ear drums
Earthquakes Flashcards Quizlet
WebThe location within Earth along a fault where the first motion of an earthquake occurs is called a focus When rocks along a fault slip into new positions, they release energy in … WebFor earthquakes that occurred between about 1890 (when modern seismographs came into use) and 1935 when Charles Richter developed the magnitude scale, people went back … WebP-waves- DESCRIPTION: the first kind of body wave is the P wave or primary wave. This is the fastest kind of seismic wave, and consequently, the first to ‘arrive’ at a seismic station. The P wave can move through solid rock and fluids, like watr or the liquid layers of the Earth. CHARACTERISTIC MOTION. fluid build up around eyes cat swollen eyes