Accounts vary, with some saying the slick is between 50km and 100km long and 300m wide, and others insisting there are two slicks, each 30km to 50km long.
Procene variraju, ali neki ističu da je mrlja dugačka između 50 i 100 kilometara i široka 300 metara, dok drugi insistiraju da se radi o dve mrlje, svakoj dužine od 30 do 50 kilometara.