Society for Creative Anachronism activities century) fencing manuals. Archery activities in the SCA include both target archery and combat archery, using equipment modified for safety in conjunction with armoured combat during melee scenarios. Armoured Combat (sometimes referred to as "Heavy Combat", "Heavy List", or "Heavy Fighting") using weapons fashioned to generally approximate the sword-and-shield, greatsword, spear, glaive and halberd of the High Middle Ages. Fencing or Rapier Combat, generally approximating the lightly armored "swashbuckling" of the 15th century and the 16th century, emphasizing the rapier over cutting swords. Many members of the Society study and practice period manuals from the salons of Western Europe whose
Types of volcanic eruptions propels it forward. Phreatomagmatic eruptions are another type of volcanic eruption, driven by the compression of gas within magma, the direct opposite of the process powering magmatic activity. The third eruptive type is the phreatic eruption, which is driven by the superheating of steam via contact with magma; these eruptive types often exhibit no magmatic release, instead causing the granulation of existing rock. Within these wide-defining eruptive types are several subtypes. The weakest are Hawaiian and submarine, then Strombolian, followed by Vulcanian and Surtseyan. The stronger eruptive types are Pelean eruptions, followed by Plinian eruptions; the strongest eruptions are called