-
The creator John Winthrop is born
John Winthrop was the first person to study earthquakes. He is known as the creator of seismology. -
The first idea of a seismograph
David Milne was the first person to come up with the seismograph, a machine that measures the seismic activity. -
The Mercalli Intensity Scale
Giuseppe Mercalli, made the first seismograph. Since it wasn't very accurate, they made it a device that measures how much damage a earthquake could do. -
The Richter Scale
Charles Richter made the first accurate seismograph known as the Richter Scale to determine an earthquake's magnitude.