Yilan crater

{{Short description|Impact crater in Heilongjiang, China}}

Yilan crater is an impact crater in China, situated to the northwest of the town of Yilan in Heilongjiang province.{{cite web |url=https://earthobservatory.nasa.gov/images/149515/young-impact-crater-uncovered-in-yilan |title=Young Impact Crater Uncovered in Yilan |last=Pratt |first=Sara E. |date=8 October 2021 |website=Earth Observatory |publisher=NASA |access-date=1 March 2022 }} Its southern rim has eroded, but its northern rim is visible on the surface as a crescent-shaped ridge. It has a diameter of {{cvt|1.85|km|mi}} at its maximum extent, with the rim rising {{cvt|150|m|ft}} above the crater's basin.{{cite journal |title=Yilan crater, China: Evidence for an origin by meteorite impact |year=2021 |last1=Chen |first1=Ming |last2=Koeberl |first2=Christian |last3=Tan |first3=Dayong |last4=Ding |first4=Ping |last5=Xiao |first5=Wansheng |last6=Wang |first6=Ning |last7=Chen |first7=Yiwei |last8=Xie |first8=Xiande |last9=Reimold |first9=Uwe |journal=Meteoritics & Planetary Science |volume=56 |issue=7 |pages=1274–1292 |bibcode=2021M&PS...56.1274C |doi=10.1111/maps.13711 |s2cid=238816180 }} Radiocarbon dating shows its age to be only 46,100 to 52,500 years.