Assertion: earthquake | /r/HasProperty | detected under the nw end of yellowstone lake
Facets:
value: at the turn of the year
type: TEMPORAL
value: over a seven-day span
type: TEMPORAL
value: with registering a magnitude of 3.9
type: OTHER
Source sentences:
text: At the turn of the year 2008, more than 500 quakes were detected under the NW end of Yellowstone Lake over a seven-day span, with the largest registering a magnitude of 3.9.