Assertion: earthquake's magnitude | /r/HasProperty | determined
Facets:
value: from data
type: OTHER
Source sentences:
text: The size or magnitude of earthquakes is determined by measuring the amplitude of the seismic waves recorded on a seismograph and the distance of the seismograph from the earthquake.
text: The magnitude of an earthquake can be determined from data recorded by a seismograph.
text: The magnitude of an event is determined from the strength of the seismic waves detected at each station.