The strongest earthquake recorded was magnitude 4.6 at 3:55 p.m. Sunday, at a depth of 14 kilometers (9 miles), the Athens ...

The Juno mission has discovered remarkably strong activity on Jupiter's moon, Io. The hot spot emits eruptions with energy ...

Eleven volcanic earthquakes, including two volcanic tremors that lasted 3 to 4 minutes long, were recorded at the Kanlaon ...