The company Jawbone, producing fitness bracelets Jawbone Up stated that through its product users have found the epicenter of the strongest earthquake in the last quarter of a century in North Carolina.
The press service of Jawbone noted that many residents of neighboring towns, with its epicenter Napa, Sonoma, Vallejo and Fairfield wear their wristbands UP24 - almost 93% of them suddenly woke up at 3 hours 20 minutes, when an earthquake.
"Farther from the epicenter of the impact of weakened, and many slept, despite the tremors. In San Francisco and Oakland woke up only slightly more than half of the bracelet winners - 55%. Further, in the direction of Modesto, and Santa Cruz, did not wake up because of the cataclysm almost no one "- said the Jawbone.
Thus, the "smart" bracelet Jawbone able to precisely determine the epicenter of the earthquake in terms of their owners sleep bracelets. According to the company, 45% of those who were inside the 25-kilometer zone, and could not sleep that night.
Strongest over the past 25 years South Napa Earthquake earthquake of magnitude 6.0 was recorded in the vicinity of San Francisco on Sunday, dozens of people were injured. Several houses were burned down in a fire that broke out due to a pipeline rupture.