Volcanos

Fuego volcano, Guatemala has increased its activity again. Strong strombolian explosions generated ash plumes rising up to 1 km and ejected blocks up to 200 m above the rim. Incandescent material rolled down the flanks for 500-1000 m and shock waves accompanied the explosions.

Mount Merapi volcano in Indonesia also shows increased activity emitting ash and smoke.

An overview of new Activity/Unrest globally: Fuego, Guatemala | Gamalama, Halmahera | Grozny Group, Iturup Island | Little Sitkin, Aleutian Islands | Lokon-Empung, Sulawesi | San Cristóbal, Nicaragua | Soputan, Sulawesi.

Ongoing Activity has been reported at: Batu Tara, Komba Island (Indonesia) | Karymsky, Eastern Kamchatka (Russia) | Kilauea, Hawaii (USA) | Popocatépetl, México | Sakura-jima, Kyushu | Shiveluch, Central Kamchatka (Russia) | Telica, Nicaragua.

Disease

The number of U.S. cases of West Nile virus rose by 19 percent in the latest week, slowing slightly from its earlier pace but still putting this year on track to be the worst outbreak since 2003. So far this year, 3,142 cases have been reported to federal health officials as of Sept. 18, up from 2,636 reported the week before.

An outbreak of measles has been reported from the Uganda-Kenya border region. 3 children have died, dozens more infected.

Wildfires

Bushfires allegedly lit by some Livingstone residents have swept through thousands of hectares of the Mosi-o-Tunya National Park, Zambia, forcing thousands of wild animals, birds and other creatures to flee southwards.

Storms and Floods

Tropical storm Nadine was located about 160 miles (255 km) South of Flores in the Azores. A tropical storm warning is in effect for the Azores Islands.