Get Premium for free!
Plate tectonics project
10 months ago
David Milne suggested making an instrument that the intensity and direction of seismic waves.
Robert Mallet an Irish engineer and scientist studied and developed theories about earthquakes.He thought that earthquakes moved outward from a certan point.
Grove Gilbert discovered that earthquakes usually occur around a fault line.
The first U.S Seismograph was invented.
The Mercalli Intensity Scale was invented by Guisseppe Mercalli who was a seismologist who created it to measure the damage that a earthquake would make.
The Moho boundary was discovered by Andrija Mohorovii, the boundary was between the earth's crust and the mantle.
Charles Richter created the first seismograph that measured the magnitude of earthquakes.
About & Feedback