Who was OR-7?
OR-7 was a gray wolf from Oregon that traveled more than 1,000 miles and became the first wild wolf known in California since 1924 when he crossed the state line in 2011.
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- How did Crater Lake form?
“Crater Lake formed about 7,700 years ago when the volcano Mount Mazama erupted and collapsed.”
Reference: National Park Service
More from this shelf
What is the deepest lake in the US?
Crater Lake is the deepest lake in the US, about 1,943 feet deep.
How many active volcanoes does Japan have?
Japan has 111 active volcanoes, roughly 10% of all the active volcanoes on Earth.