Assertion: deepwater horizon | /r/AtLocation | mississippi canyon block
Facets:
value: at the time of the explosion
type: TEMPORAL
Source sentences:
text: At the time of the explosion, the Deepwater Horizon was on Mississippi Canyon Block 252, referred to as the Macondo Prospect, in the United States sector of the Gulf of Mexico, about 41 miles (66 km) off the Louisiana coast.