Lori Dengler | Earthquake wakeup calls in California and Japan

Across the Pacific, an earthquake in Japan triggered the first ever alert that the odds of a much bigger earthquake had increased. What are the implications of each of these events? Last Tuesday at 9:10 p.m. PDT, a magnitude 5.2 struck south-central ... ( read original story ...)

What you need to know about Japan’s mega-quake advisory

Japan's Meteorological Agency issued a mega-earthquake advisory on Aug 8, following a magnitude 7.1 temblor that rocked the western Kyushu region on the same day. What does the advisory mean? And what action should people take? The advisory is a ... ( read original story ...)