<Tr> <Td> Newberry Caldera </Td> <Td> 2,434 </Td> <Td> 7,986 </Td> <Td> 43 ° 42 ′ N 121 ° 30 ′ W ﻿ / ﻿ 43.7 ° N 121.5 ° W ﻿ / 43.7; - 121.5 ﻿ (Newberry Caldera) </Td> <Td> Approximately 690 AD </Td> </Tr> <Tr> <Td> North Sister </Td> <Td> 3,075 </Td> <Td> 10,090 </Td> <Td> 44 ° 10 ′ N 121 ° 46 ′ W ﻿ / ﻿ 44.167 ° N 121.767 ° W ﻿ / 44.167; - 121.767 ﻿ (North Sister) </Td> <Td>> 100,000 years ago </Td> </Tr> <Tr> <Td> Olallie Butte </Td> <Td> 2,200 </Td> <Td> 7,219 </Td> <Td> 44 ° 49 ′ 18.1" N 121 ° 45 ′ 50.2" W ﻿ / ﻿ 44.821694 ° N 121.763944 ° W ﻿ / 44.821694; - 121.763944 </Td> <Td> more than 25,000 years ago </Td> </Tr> <Tr> <Td> Pelican Butte </Td> <Td> - </Td> <Td> - </Td> <Td> 42 ° 31 ′ N 122 ° 04 ′ W ﻿ / ﻿ 42.51 ° N 122.06 ° W ﻿ / 42.51; - 122.06 ﻿ (Pelican Butte) </Td> <Td> <300,000 years ago </Td> </Tr>

Where are the volcanoes located in the united states