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Big Cave volcano

Shield 1259 m / 4131 ft
California, United States, 40.96°N / -121.37°W
Current status: (probably) extinct (0 out of 5) | Reports
Big Cave volcano books
Typical eruption style: unspecified
Big Cave volcano eruptions: None during the past 10,000 years
Less than few million years ago (Pleistocene) No recent earthquakes
TimeMag. / DepthDistanceLocation


The Big Cave shield volcano, at the northern end of an area of late-Quaternary volcanism extending north from Lassen Peak, is a small basaltic shield with young pyroclastic cones at the summit and north flank. Big Cave volcano was considered to be of either Holocene (Luedke and Smith, 1981; Miller, 1989) or latest Pleistocene or Holocene age (Sarna-Wojcicki et al., 1983). The inconspicuous low shield volcano, located between Big Lake on the north and Bald Mountain on the south, is surrounded by an extensive now forested lava field. Big Cave was considered by Clynne, 2007 pers. comm.) to probably be of similar age as nearby Cinder Butte volcano, which was dated at 38,000 +/- 7000 years.
Source: Smithsonian / GVP volcano information

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