Assertion: radon | /r/HasProperty | detected with no earthquake
Facets:
value: often
type: TEMPORAL
Source sentences:
text: In the 1970s and 1980s, scientific measurements of radon emissions near faults found that earthquakes often occurred with no radon signal, and radon was often detected with no earthquake to follow.
text: In the 1970s and 1980s, scientific measurements of radon emissions near faults found that earthquakes often occurred with no radon signal, and radon was often detected with no earthquake to follow.