Since the 1960s, seismologists have stopped using the famous Richter scale, preferring to use a moment magnitude scale, which ...

How to connect your audiences with charities helping earthquake victims in Turkey and Syria Plus, why this quake was so devastating, what happened to the Richter scale, how much of the U.S. is in ...

Using that scale, the U.S.G.S. reported a maximum shake value of just over 6 — or “strong” — near the epicenter on Friday, and that people felt shaking across the region.

Scientists used the Richter Scale for many years but now largely follow the Modified Mercalli Intensity Scale, which the U.S. Geological Survey says is a more accurate measure of size.

About 55 earthquakes a day – 20,000 a year – are recorded by the National Earthquake Information Center. A quick guide to how they are measured.

It is measured on a scale from under one to 10. Here is what the scale looks like: < 2.0: Micro (Micro earthquakes, not felt) 2.0-2.9: Minor (Generally not felt, but recorded) 3.0-3.9: Minor ...

How are earthquake magnitudes measured? In the United States, the Modified Mercalli (MM) Intensity Scale is used to determine the magnitude of earthquakes. It replaces the old Richter Scale.

JAKARTA: An earthquake measuring 6.3 magnitude on the Richter scale rocked off Indonesia's western Aceh province earlier ...

In the hours after an earthquake shook the northeastern United States Friday, scientists calculated its magnitude — 4.8 on the Richter scale — and triangulated its epicenter near the New ...

EL MORO, CO — An earthquake measuring 3.1 ml on the Richter scale struck near the town of Trinidad, with its origins in El Moro, Colorado late Tuesday evening.