Robuta

https://www.usgs.gov/publications/preliminary-geologic-map-clear-lake-volcanic-field-lake-county-california
No abstract available.
geologic mapthe clearvolcanic fieldpreliminarylake
https://www.usgs.gov/media/images/sunset-crater-youngest-cinder-cone-san-francisco-volcanic-field-northern-arizona
Eruptions between 1064 and 1067 AD produced three lava flows that covered 8 km2 (3 mi2) and a field of scoria and spatter that covers 2300 km2 (890 mi2)....
sunset cratercinder coneyoungestsan
https://www.usgs.gov/publications/peralkaline-ash-flow-tuffs-and-calderas-mcdermitt-volcanic-field-southeast-oregon-and
The McDermitt volcanic field covers an area of 20,000 km2 in southeastern Oregon and northwestern Nevada and consists of seven large-volume ash flow sheets...
ash flowperalkalinetuffscalderasmcdermitt
https://www.usgs.gov/media/images/boring-volcanic-field-map-and-portland-basin-a-hillshade-image
Boring Volcanic Field map and Portland Basin on a hillshade image. Boring Volcanics shaded in orange and blue, vents are red circles, and Cascade-arc volcanic...
boring volcanic fieldportland basinmaphillshade
https://www.usgs.gov/maps/geologic-map-mount-edgecumbe-volcanic-field-kruzof-island-southeastern-alaska
No abstract available.
geologic mapthe mountvolcanic fieldkruzof islandedgecumbe