Assertion: earthquake | /r/HasProperty | difficult
Facets:
value: to predict time
type: PURPOSE
Source sentences:
text: It is difficult to predict the earthquake’s exact date and time and place, since earthquake can take place in any climate, weather, season, day or night.
text: Smaller earthquakes that are not detected by many seismometers are difficult to locate in real-time and, consequently, are located by Seismic Analysts.