Earthquakes and Seismic Waves(pages 169–175)
Earth Movements 3 rd Grade Review. Find the word that fits the clue. A crack in Earth’s crust A. Continent B. Plate C. Fault D. Magma.
UNIT 7 The Earth’s dynamics Natural Science 2. Secondary Education HOW AN EARTHQUAKE’S STRENGTH IS MEASURED.
Measuring Earthquakes. Seismograph Or seismometer, is an instrument used to detect and record earthquakes.
