As earthquakes struck from California to Venezuela to Japan, millions of people received warnings on their mobile phones, providing critical seconds to seek protection.
Venezuela was struck with a pair of deadly earthquakes Wednesday evening and Thursday morning that brought significant shaking to the northern coast of Japan. Earlier in the week residents in the U.S. state of California experienced a moderate earthquake, and at the start of June, 37 people in the Philippines died in a quake near Mindanao.
