VOA慢速英语:False Earthquake Alarm Sends Tremors Across Twitter

magnitude –n. a measure of an earthquake’s strength or power

seismic –adj. relating to or caused by earthquakes; seismology –n. the study of earthquakes and their processes

automated –adj. made or carried out by a machine rather than a person

misinterpret –v. to not understand correctly

alarm –n. a warning, usually with sound

shake up –v. to make many changes in (something, such as a company or organization)