120405
The geological origin of the plateau is a lava flow from the Mount Warning volcanic eruption 22 million years ago .
 Mount Warning
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 Mount Warning