Sentence examples for the eruption date from inspiring English sources
While the Eruption Date table contains both start and end date fields, only the former is populated.
With the exception of one specimen that yields an age of AD 843 1173 (sample K1441), the 14C age ranges of Group C specimens overlap the eruption date.
The gradual increase of the IPT radiation power detected by Hisaki beginning on DOY 21 is consistent with the eruption date implied by NIR observations.
The eruption date is used to retrieve the corresponding wind profile and combined with the plume height to calculate the MER following Degruyter and Bonadonna (2012): MER = pifrac{rho_{a0}}{g'}left(frac{alpha^{2}bar{N}}{10.9}H^{4} + frac{beta^{2}bar{N}^{2}bar{v}}{6}H^{3}right) (4).
Often these volcanic products can be identified by various chemical and non-chemical means and if the eruption date is known, the occurrence of tephra from a given eruption in stratigraphic sequences provides a powerful means of dating such deposits, or of refining available dating schemes.
However, radiocarbon years are not equivalent to standard calendar years (cal BP) because of fluctuations in atmospheric C14 and thus a calibration must be applied to determine the actual eruption date.
Motoyama is covered with pyroclastic flow deposits and lava flows from a large-scale magmatic eruption (the Motoyama eruption) dated to 2.7 cal kBP (Nagai and Kobayashi 2015).
Where reported, the original C14 dates and errors are recorded in the Eruption C14 Date table.
At least 22 eruptive (and 5 indirect) fatal incidents occurred more than 1 year after the eruption start date, commonly at volcanoes known for regular activity.
Martinique's vicar general begins his account of the eruption, "This date should be written in blood".
The probability of occurrence of the wind scenario can itself be assessed using the wind module of TephraProb; Fixed Date Scenarios (FDS) fix the eruption starting date, thus assessing the probability of tephra accumulation based on the variability of eruption source parameters only.
