Focal muscular atrophy (FMA) has various causes and, hence, various signs and symptoms. 1  Muscle wasting is probably the presenting symptom when the onset is insidious (see images below). Weakness may not be a primary symptom in these patients. 2  Muscle weakness occurs when the onset is more abrupt.
Mexico) The Central America Volcanic Arc is a chain of volcanoes which extends parallel to the Pacific coast line of the Central American Isthmus, from Guatemala, El Salvador, Honduras, Nicaragua, Costa Rica, and down to northern Panama.ince Central America is a major subduction zone, Nicaragua hosts most of the Central American Volcanic Arc. Seismograms are available on the Ineter webseite; for volcanoes check Volcano monitoring stations and Broadband stations. - For lots of interesting info and photos go to Xolo ! Nicaragua: MASAYA O-Web 5 min.
Best Answer: Most volcanoes are located in the ring of fire surrounding Asia. The Pacific Ring of Fire is an area of frequent earthquakes and volcanic eruptions encircling the basin of the Pacific Ocean.eport Abuse. Most volcanoes form along the edges of the earthâs plates, where magma comes up where the earthâs crust is broken. Volcanologists have found more than 10,000 volcanoes.