VOA慢速英语:App Feels Earthquakes Through Mobile Phones

vibration - n. movement

alert - v. to inform or warn

data - n. information of facts often used to plan something

detect - v. to discover or notice the presence of (something that is hidden or hard to see, hear, taste, etc.)

network - n. a system of computers and other devices

accelerometer - n. a device that detects its own acceleration and is used in mobile phones to determine the phone's orientation

tracker - n. a device that follows and records the movements of someone or something

seismic - adj. relating to, or caused by an earthquake

program - v.  to give (a computer) a set of instructions to perform a particular action: to create a program for (a computer)

anonymous - adj. not named or identified

location - n. a place or position

table - n. a piece of furniture that has a flat top and one or more legs

magnitude - n. the size, extent, or importance of something

feature - n.  an interesting or important part, quality, ability, etc.

tsunami - n. a very high, large wave usually caused by an earthquake