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A new phone app uses vibrations from smartphones to alert people about earthquakes. The phone app recognizes sudden shaking of the earth's surface through sensors in smartphones. The new app is called MyShake. It is the work of four researchers at the University of California, Berkeley. They said they created a worldwide warning system that would inform people and give them time to prepare. Other earthquake apps include QuakeFeed, Quakes and Earthquake. They show where earthquakes have happened, at what strength, and the aftershocks. Those use data from the U.S. Geological Survey. The MyShake app is available only for Android phones.
* vibration = 진동, 떨림[흔들림]/ alert = (위험 등을) 알리다, 경보를 발하다/ recognize = 알아보다, 인식하다/ shaking = 흔들림; 동요, 떨림/ surface = 표면[표층]/ work = 일, 작품, 저작물/ warning system = 경보 체제/ aftershock = (큰 지진 후의) 여진/ the U.S. geological survey = 미국 지질청(지질학 연구소)
Smart phones are equipped with accelerometers. These instruments measure movement, like that of a car or airplane. They can also measure the shaking of a machine, building or other structure. Accelerometers are used in activity trackers and apps that count steps or other exercise. They also are used in global positioning system apps, also called GPS. MyShake uses phone accelerometers to measure seismic activity. It has been programmed to know the difference between normal activity and earthquake movement. The software developers say their app is right 93 percent of the time.
* be equipped with ~ = ~을 갖추고 있다/ accelerometer = 가속도계/ measure = 측정하다[재다]/ seismic activity = 지진 활동
