A powerful earthquake rumbled Sunday night off the coast of Northern California, the US Geological Survey confirmed.
The Balkan and Mediterranean countries as well as Turkey are all at higher risk of earthquakes than many other Europeans, according to a map produced by EU researchers.
Could there be a way to predict earthquakes? In the case of the 2012 Costa Rica earthquake there was. Scientists using GPS to study changes in Earth's shape accurately forecasted the size and location of the magnitude 7.6 Nicoya earthquake.
An earthquake killed one person and injured at least 86 others in Taiwan on Wednesday and officials say it occurred on a "blind fault" which could produce a far stronger earthquake in the future.
The alert status of the active Iceland volcano, Hekla, has been raised after a series of earthquakes.