earthquake magnitude

References

Videos

Learn how the Richter scale measures magnitude and the Mercalli scale measures intensity of an earthquake

The video thumbnail image shows a woman trying to break a bundle of pasta strands as part of a scientific demonstration.

See the catastrophic aftermath of the San Francisco earthquake of 1906

earthquake magnitude: Media

geology

Videos

Learn how the Richter scale measures magnitude and the Mercalli scale measures intensity of an earthquake

Learn how the Richter scale measures magnitude and the Mercalli scale measures intensity of an earthquake

The Richter scale measures the magnitude of earthquakes, and the Mercalli scale measures...

Video: Encyclopædia Britannica, Inc.

The video thumbnail image shows a woman trying to break a bundle of pasta strands as part of a scientific demonstration.

How earthquakes are measured: Demonstrating magnitude

We're picking up earthquake vibrations.

Video: Encyclopædia Britannica, Inc.

See the catastrophic aftermath of the San Francisco earthquake of 1906

See the catastrophic aftermath of the San Francisco earthquake of 1906

San Francisco after the 1906 earthquake.

Video: Library of Congress Motion Picture, Broadcasting and Recorded Sound Division, Washington, D.C.