What was the largest Richter magnitude ever recorded for an earthquake on a Wood- Anderson seismograph?
A) 10.0
B) 5.4
C) 8.9
D) 2.0

Question

Quizplus · Accepted Answer

The largest Richter magnitude ever recorded on a Wood-Anderson seismograph was 8.9. The Richter scale, developed in 1935, measures the magnitude of earthquakes. The most extreme earthquakes recorded have magnitudes around 9, with the 1960 Valdivia earthquake in Chile being the most powerful ever recorded at a magnitude of 9.5, but the specific record for a Wood-Anderson seismograph stands at 8.9.

What Was the Largest Richter Magnitude Ever Recorded for an Earthquake