Assertion: fault's earthquake | /r/HasProperty | preserved as abrupt changes
Facets:
value: in sediment layers
type: LOCATION
value: at the study site
type: LOCATION
Source sentences:
text: The scientists obtained a large number of high-resolution radiocarbon ages (about four per rupture) in an attempt to accurately date the past earthquakes preserved as abrupt changes in sediment layers at the study site.