Discover interesting facts about how big earthquakes can get, why earthquakes happen, and why they're so hard to predict.

Longtime Californians know that they live within the “ring of fire” of earthquake zones and volcanoes that surround the Pacific Ocean. San Francisco, Alaska and Tokyo face the same inevitable ...

CAL FIRE's maps only showed a ring of “very high” red hazard in the wildlands next to Altadena, with the vast majority of the city unmarked. Entire blocks of homes in Altadena were destroyed ...

Fighting fire usually involves water or foam ... First it shoots a vortex ring of air, which creates a turbulent airflow that separates the heat and fuel. At the same time, that vortex is carrying ...