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Geologic map of the Hayfield quadrangle, Frederick County, Virginia Geologic map of the Hayfield quadrangle, Frederick County, Virginia
The Hayfield 7.5-minute quadrangle is located within the Valley and Ridge physiographic province of northern Virginia. The quadrangle includes the topographical lowland area of the northern Great Valley to the southeast, the narrow ridge of Little North Mountain along the western edge of the Great Valley, and the broad region of elongated valleys and ridges west of Little North Mountain...
July 31—Thermal map of fissure system and lava flows July 31—Thermal map of fissure system and lava flows
This thermal map shows the fissure system and lava flows as of 6 am on Tuesday, July 31
July 29—Thermal map of fissure system and lava flows July 29—Thermal map of fissure system and lava flows
This thermal map shows the fissure system and lava flows as of 6 am on Sunday, July 29
July 27—Thermal map of fissure system and lava flows July 27—Thermal map of fissure system and lava flows
This thermal map shows the fissure system and lava flows as of 6 am on Friday, July 27
Kīlauea lower East Rift Zone lava flows and fissures, July 26, 2:00 p.m. HST Kīlauea lower East Rift Zone lava flows and fissures, July 26, 2:00 p.m. HST
Lower East Rift Zone lava-flow map as of 2:00 p.m. HST, July 26, 2018.
Kīlauea lower East Rift Zone lava flows and fissures, July 25, 10:00 a.m. HST Kīlauea lower East Rift Zone lava flows and fissures, July 25, 10:00 a.m. HST
As of 10:00 a.m. HST, July 25, 2018, the lava flow margins had not expanded since the previous map, so no red areas (indicating expansion) appear on this map.
July 25—Thermal map of fissure system and lava flows July 25—Thermal map of fissure system and lava flows
This thermal map shows the fissure system and lava flows as of 6 am on Wednesday, July 25