Assertion: fault's activity | /r/HasProperty | frequent
Facets:
value: since the 1970s
type: TEMPORAL
value: along the island arc
type: LOCATION
value: particularly
type: DEGREE
value: to the coast of south america
type: LOCATION
Source sentences:
text: Volcanic activity is frequent along the island arc southeast from Puerto Rico to the coast of South America.
text: Volcanic activity has been particularly frequent since the 1970s.