<Table> <Tr> <Th colspan="2"> Mount Ruapehu </Th> </Tr> <Tr> <Td colspan="2"> Mt Ruapehu from Tongariro Northern Circuit , 2015 </Td> </Tr> <Tr> <Th colspan="2"> Highest point </Th> </Tr> <Tr> <Th> Elevation </Th> <Td> 2,797 m ( 9,177 ft ) </Td> </Tr> <Tr> <Th> Prominence </Th> <Td> 2,797 m ( 9,177 ft ) </Td> </Tr> <Tr> <Th> Listing </Th> <Td> Ultra New Zealand # 19 </Td> </Tr> <Tr> <Th> Coordinates </Th> <Td> 39 ° 17 ′ S 175 ° 34 ′ E ﻿ / ﻿ 39.283 ° S 175.567 ° E ﻿ / - 39.283 ; 175.567 Coordinates : 39 ° 17 ′ S 175 ° 34 ′ E ﻿ / ﻿ 39.283 ° S 175.567 ° E ﻿ / - 39.283 ; 175.567 </Td> </Tr> <Tr> <Th colspan="2"> Naming </Th> </Tr> <Tr> <Th> Translation </Th> <Td> pit of noise or exploding pit ( Māori ) </Td> </Tr> <Tr> <Th colspan="2"> Geography </Th> </Tr> <Tr> <Td colspan="2"> Mount Ruapehu North Island , New Zealand </Td> </Tr> <Tr> <Th colspan="2"> Geology </Th> </Tr> <Tr> <Th> Age of rock </Th> <Td> ~ 200,000 years </Td> </Tr> <Tr> <Th> Mountain type </Th> <Td> Stratovolcano </Td> </Tr> <Tr> <Th> Volcanic arc / belt </Th> <Td> Taupo Volcanic Zone </Td> </Tr> <Tr> <Th> Last eruption </Th> <Td> 25 September 2007 </Td> </Tr> <Tr> <Th colspan="2"> Climbing </Th> </Tr> <Tr> <Th> First ascent </Th> <Td> 1879 by G. Beetham and J.P. Maxwell </Td> </Tr> <Tr> <Th> Easiest route </Th> <Td> Hike </Td> </Tr> </Table>
when was the last time mount ruapehu erupted
25 September 2007