The approximate wavelength range of the X-ray portion of the electromagnetic spectrum, 10 to 10 metre, corresponds to a range of photon energies from about 100 eV (electron volts) to 1 MeV (million electron volts).
Lochnagar Crater history. The Lochnagar Crater (Lochnagar Mine Crater) located in the village of La Boisselle in Franceâs Picardie region, is the site where one of the first explosions of the Battle of the Somme took place on 1 July 1916.irections to Lochnagar Crater: Lochnagar Crater is located in farmland just next to the centre of the village of Ovillers-La-Boisselle along route D929, just north east of the town of Albert. It is approx 21 miles north east of Amiens along route D929.
From December 28, 1963, to January 6, 1964, a submarine eruption was evident in a location approximately 2.5 km east-northeast of Surtsey. A ridge some 100 m high formed on the sea floor. It was given the name Surtla but never grew to become an island, as did Surtsey.On April 4, 1964, a lava eruption commenced in the western crater on Surtsey. The lava flowed mainly to the south and east and formed a broad lava shield that was, in the end, 100 m thick at the crater.nother small island, Jolnir, jÃ³lnir was formed During christmas, 1965 in an eruption on the sea floor.0 9 km to the southwest Of. Surtsey this island was in many respects very similar To. Syrtlingur it was about 70 m high and reached an area of approximately.0 3. kmÂ²