Today’s Earthquake Fact
The core of the earth was the first internal structural element to be identified. In 1906 R.D. Oldham discovered the core from his studies of earthquake records. The inner core is solid, and the outer core is liquid and does not transmit the shear wave energy released during an earthquake.
Today in Earthquake History
March 8, 1991
M 6.6, Russia – Believed to be the largest earthquake ever located in this area. From Significant… Read More