WebMost seismographs today are electronic, but the basic design and components are still the same: a drum with paper on it, a bar or spring with a hinge at one or both ends, a weight, and a pen. One end of the bar or spring is bolted to a pole or metal box fixed to the ground. WebSep 11, 2024 · Earthquakes originate at a point called the focus (plural foci). From this point, energy travels outward in different types of waves. The place on the Earth’s surface directly above the focus is called the epicenter (Figure 13.2). Earthquake foci may be shallow (less than 70 km from Earth’s surface) to deep (greater than 300 km deep ...
Explore earthquakes - BBC Bitesize
WebFeb 7, 2012 · Plates: Massive rocks that make up the outer layer of the Earth’s surface and whose movement along faults triggers earthquakes. Seismic waves: Waves that transmit … WebOne of the most frightening and destructive phenomena of nature is a severe earthquake and its terrible aftereffects. An earthquake is a sudden movement of the Earth, caused by the abrupt release of strain that has … hipoparatiroidisme adalah
HW 06 - Ch 6: Plate Tectonics Flashcards Quizlet
WebWhen the plates finally get unstuck and move past each other, the energy is released in the form of earthquakes. Earthquakes and volcanoes are common features along tectonic plate boundaries, making these zones geologically very active. 9. label the parts in earthquake diagrampatulong plsss Answer: 19. hypocenter. 20. fault plane. 10. WebFor the figure below, determine if you would expect an earthquake to occur at the location of the labeled points using the figure above as a reference. Drag the appropriate labels to their respective targets. Labels may be used more than once. Web1.1 Introduction. Plate tectonics is the grand unifying theory in geology. It gets that title because many topics in geology can be explained, in some way, by the movement of tectonic plates. Tectonic plates are composed of Earth’s crust and the uppermost, rigid portion of the mantle. Together they are called the. lithosphere. . hip opening yoga adriene