Mali
hot, dust-laden harmattan haze common during dry seasons;
recurring droughts; occasional Niger River flooding

Malta
NA

Man, Isle of
NA

Marshall Islands
infrequent typhoons

Martinique
hurricanes, flooding, and volcanic activity (an average
of one major natural disaster every five years)

Mauritania
hot, dry, dust/sand-laden sirocco wind blows primarily in
March and April; periodic droughts

Mauritius
cyclones (November to April); almost completely surrounded
by reefs that may pose maritime hazards

Mayotte
cyclones during rainy season

Mexico
tsunamis along the Pacific coast, volcanoes and destructive
earthquakes in the center and south, and hurricanes on the Pacific,
Gulf of Mexico, and Caribbean coasts

Micronesia, Federated States of
typhoons (June to December)