Question

earthquake ranging above _____ on Richter scale are considered to be dangerous .​

Answer 1

Answer:

6 on Richter scale

Explanation:

Earthquake ranging above 6 on Richter scale are considered to be dangerous .

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Answer 2

Answer:

Very strong earthquakes with magnitudes of 8 and higher occur once a year on a global average. On average, 15 quakes ranging in magnitude between 7 and 8 strike on an annual basis. Quakes with magnitudes greater than 7 can have devastating effects on people and the environment.