• Large dust storm clouds Phoenix, Arizona

    A large dust storm swept the US Arizona's capital of Phoenix on October 16, 2015, media reports. The cloud system was hovering about 1 500 m (4 921 feet) above the ground, packing winds of 100 km/h (62 mph) and was followed by a strong thunderstorm. Video…

  • Nearly 1,000 earthquakes recorded in Arizona over three years

    Most of Arizona has experienced low levels of recorded seismicity, with infrequent moderate and large earthquakes in the state. However, a new study published by Arizona State University researchers found nearly 1,000 earthquakes rattling the state over a three-year