Shaking of the earth’s surface caused by a sudden release of energy within the earth’s crust.
Earthquake:
Biggest Earthquake:
Chile in 1960 felt the biggest earthquake ever in history with 9.5 ritcher scale magnitude.
Deepest Earthquake:
Deepest earthquake recorded in marina trench below 595 KM.
Deepest earthquake recorded in marina trench below 595 KM.
on April 26th each year honors the birth of the Richter Scale inventor, Charles F. Richter
Richter Scale Day:
Earthquakes have foreshocks & aftershocks. Aftershocks can continue for weeks, months, or even years after the main quake.
90% of the world's earthquakes occur along the Pacific Ring.
The deadliest earthquake killed 830,000 in China in 1556.