Macrocytic RBCs are large so tend to have a higher MCH, while microcytic red cells would have a lower value.. MCH is one of three red blood cell indices (MCHC and MCV are the other two). The measurements are done by machine and can help with diagnosis of medical problems.
Alaska's Bogoslof Volcano. Bogoslof volcano, located in the Aleutian Islands about 98 km (61 mi) northwest of Dutch Harbor/Unalaska, is in an active eruption sequence that began in mid-December 2016 and continues today.
Description: Bogoslof's 2016-2017 active eruption sequence began at least by December 16, although retrospective analysis done by AVO suggests unrest may have started earlier in December. Explosions detected in retrospective analysis occurred on December 12, 14, 16 and 19.