Lava Mountain volcano

Volcanic field 1711 m / 5614 ft
Oregon, United States, 43.47°N / -120.75°W
Current status: (probably) extinct (0 out of 5)

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Typical eruption style: unspecified
Lava Mountain volcano eruptions: None during the past 10,000 years
Less than few million years ago (Pleistocene)

Latest nearby earthquakes

No recent earthquakes
TimeMag. / DepthDistance/Location

Background

The Lava Mountain lava field, also known as the East lava field or Squaw Ridge lava field, is the middle of a group of three young basaltic fields located in the High Lava Plains SE of Newberry volcano. In contrast to the small fissure vents of the adjacent Devils Garden lava field, the Lava Mountain field consists of a shield volcano capped by the Lava Mountain pyroclastic cone complex that forms a prominent topographic high. Lava flowed in all directions for distances up to 6 km from the summit cone complex. The age of the lava field is not known directly, but Lava Mountain is thought to have been formed during the same eruption as nearby Four Craters lava field (only 6 km away), whose vents share alignment along the regional fault system extending from Christmas Valley NNW to Quartz Mountain. Both lava fields have similar lava chemistry and paleomagnetic directions, and the Four Craters eruption was dated based on surface exposure evidence by Mackey et al. (2012) to 13 ka.
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Source: Smithsonian / GVP volcano information

Lava Mountain Photos

Claude, Olivier and Paul watch the activity of the lava lake. (Photo: Tom Pfeiffer)
Claude, Olivier and Paul watch the activity of the lava lake. (Photo: Tom Pfeiffer)
Liquid lava floods older crust. The weight of the flooding lava causes new fractures and new segments of the crust to overturn (upper left of the photo).  (Photo: Tom Pfeiffer)
Liquid lava floods older crust. The weight of the flooding lava causes new fractures and new segments of the crust to overturn (upper left of the photo). (Photo: Tom Pfe...
Erta Ale volcano's lava lake back in Nov 2009.  
The red glow of the lava illuminates the crater walls under the blue sky of dusk. A small group of observers is on the left crater rim. 
During the past 7 years, the lava lake has gradually risen. As of now (Dec 2016), the lava lake has completely filled the pit crater and constructed a new shield by ongoing overflows.  (Photo: Tom Pfeiffer)
Erta Ale volcano's lava lake back in Nov 2009.
The red glow of the lava illuminates the crater walls under the blue sky of dusk. A small group of observers is on ...
Evening twilight at the rim near the campsite. (Photo: Tom Pfeiffer)
Evening twilight at the rim near the campsite. (Photo: Tom Pfeiffer)
 



See also: Sentinel hub | Landsat 8
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