WhatIsanEarthquake? 1 ❶AnearthquakeisthevibrationofEarthproducedbytherapidreleaseofenergy.Mostoften, earthquakesarecausedbyslippagealongafaultinEarth’scrust.Theenergyreleasedradiatesinall directionsfromitssource,calledthefocus,intheformofwaves.Thesewavesareanalogousto...
earthquakes are caused mostly by rupture(破裂, 裂开) of geological faults(断层), but also by volcanic activity, landslides, mine blasts, and nuclear experiments. an earthquake's point of initial rupture is called its focus or hypocenter. the term epicenter means the point at ground level ...
EARTHQUAKES What causes earthquakes? The shifting of the ground due to plate tectonics or fault lines EARTHQUAKE DEFINITIONS FAULT LINE EPICENTER FOCUS The line on which the earth’s crust moves The point on the earth’s surface where the earthquake occurred. The exact point in the earth’s sur...
An earthquake (also known as a quake, tremor or temblor) is the result of a sudden release of energy in the Earth’s crust that creates seismic waves. The largest earthquakes in historic times have been of magnitude slightly over 9, although there is no limit to the possible magnitude. Th...
Finally, seismologists are geologists who specialize in earthquakes.Answer and Explanation: In geology, a focus is a place where an earthquake begins. It is located below the ground where the rock layers suddenly move and even fracture. Most......
Now that we've covered some basics on what causes earthquakes, let's talk a little about how they are measured. The most popular type of measurement of an earthquake is called the Richter Scale. Created by Charles Richter in 1935, the Richter Scale is an internationally recognized way of me...
Science Earthquakes What point deep within the earth does a fault movement begin in?Question:What point deep within the earth does a fault movement begin in?Earth:The earth is defined as one of the planets that exist in the solar system. The earth is located in the third position,...
The publichurl their passion intodonating money to our cause and for the victims of disasters,be it natural, such asearthquakes, or man-made,such asoil spills. 3. 但是当懒人在虚度光阴的时候,奋斗者则目标坚定、信心十足,在努力工作中品尝到成功的喜悦。 Butwhilequitters are dawdling away their ...
theepicenter, which is the point on Earth's surface directly above the focus. Earthquakes continue until all the energy released at the focus has been safely dissipated. Even then, there's still a chance that further earthquakes, known asaftershocks, will happen for some hours or even days ...
【题目】阅读理解You may hear about earthquakes, but do you know what to do before,during and after an carthquake? Here is some advice for you:Before an earthquake It's necessary to prepare yourself and your family. All family members should know how to turn off gas, water and electricity...