earthquake.This has nothing to do with reality but is Hollywood’s films of earthquakes.After a strong earthquake,some cracks may be seen on the ground.These are not faults,nor are the cracks ready to close up again.Theses cracks are probably due to soil settlement (沉降) caused by the ...
Thousands of temblors occur every day. Here’s what you need to know about where they usually take place and how they're measured.
An earthquake refers to the sudden shaking of the ground due to the presence of seismic waves. Learn more about fracture, fault, elastic rebound, seismic waves, and other concepts related to the occurrence of earthquakes. The Definition of an Earthquake There are many scientific terms that are ...
A normal fault is the most common type of fault. Normal faults are dip-slip faults that move downward in relation to the blocks of rock below. In normal faults, the faulting occurs when blocks of rocks slip past one another. Normal faults are common in the western United States, in ...
few millimeters to thousands of kilometers and are found all over the world. However, many faults are inactive, meaning they do not have earthquakes that occur. Active faults are faults where earthquakes do occur. The term fault came from the Old French termfalte, which means opening or gap...
How do earthquakes happen? Earthquakes happen all the time, on land and in the ocean – but the majority are so small that people do not even feel them. "The surface of the earth is made of tectonic plates, which are about 100 kilometers thick, they move around together....
Earthquakes happen at places calledfaults(orfault lines) where the jagged edges of tectonic plates grind against one another. Most earthquake activity happens in the middles of the oceans where tectonic plates are pushing apart on the floor of the sea. Some of the most violent earthquakes happen...
句子分析:本句的主干是“Earthquakes can be destructive.” 其中“, also called temblors,”是补充说明earthquake的,句中成分相同;it引导的宾语从句则用来进一步补充说明地震的其他形式。 直译:地震的另一个表达是“temblors”,它可能造成极大的危害。很难想象全世界其实每天...
Large earthquakes can focus on the boundaries where two plates meet, but they are not limited to these areas. As the plates move, breaks in the earth's crust develop and earthquakes are often located on them. These breaks are referred to as faults, of which there are three types and ...
___. A. They occur at bout 4000 meters below ground level B. The injection of water into earthquake faults prevents earthquakes from occurring C. They are usually caused by the oil in the faults D. Harmful E. arthquakes can be possibly prevented by causing small harmless earthquake 相关...