Sentence examples for eruption phase from inspiring English sources

Growth faults terminate upwards at the base of volcaniclastic units, thus representing a predictor to an eruption phase.

The main phase of the eruption (phase 4) involved outpouring of hot, fluidized pyroclastic flows, forming multiple ignimbrite (deposit from a pyroclastic flow) fans1,2,3,5.

This eruption phase lasted almost a year until January 1964.

The source of the PDCs that spread west and northeast of the summit during the initial eruption phase was located 200 300 m above the vent area.

The Soufrière Hills in Montserrat is presently in a magmatic eruption phase which started in 1995 and has since devastated most of the island (Druitt and Kokelaar, 2002).

Detailed flow mapping from aerial imagery demonstrate that lava effusion rate was at its peak at the start of each eruption phase and decreased over time.

The Ora Formation has been divided into four members (a d), which also define the principal eruption phases.

The distribution, volume and mobility characteristics of all types of PDC during the eruption sequence show evidence for levels of intensity unseen since the large-scale 1872 and 1930 eruption phases, especially during the climactic events of October 26 and November 5.

The shield volcanoes typically overlie the lateral tips of sills and we suggest that the intermittent eruption phases correspond to the incremental emplacement of discrete magma pulses within the laterally extensive sill-complex.

We conclude that regional-scale tsunamis associated with the LBA eruption were generated by the pyroclastic flow inundation of eruption phases 3 and 4, augmented perhaps by mass slumping of rapidly deposited pyroclastic deposits off the seaward slopes of the island volcano.

There was some variation in the character of explosive eruptions and lava flow characteristics between the four eruption phases in 2002 2009, which were separated by periods of relative quiet.