Earthquakes

Magnitude 5+ Earthquakes – Global

5.4 earthquake hits the Pacific-Antarctic ridge.

5.2 earthquake hits New Guinea, Papua New Guinea.

5.2 earthquake hits the Andaman Islands off India.

5.2 earthquake hits the Xinjiang-Qinghai border, China.

5.0 earthquake hits the Mariana Islands.

5.0 earthquake hits Hokkaido, Japan.

Storms and Floods

Tropical Storms – Roundup of Tropical Storms:

In the Southern Hemisphere: Tropical cyclone 22s (Joaninha), located approximately 570 nm east of Port Louis, Mauritius, is tracking south-southeastward at 04 knots.

Wildfires

Wildfires – Portugal

Hundreds of Portuguese firefighters struggled on Wednesday to contain wildfires which erupted far earlier in the season than usual because of unexpectedly hot and windy weather. Ten fires were burning across the country, most in the north, several months before the late spring season when fire crews are normally in place.

Disease

African Swine Fever – Vietnam

The Vietnam Ministry of Agriculture reported this week (computer translated) on three additional provinces having reported African swine fever (ASF). This brings the total 21 provinces reporting cases in the past five weeks with 64,879 pigs affected. To date, ASF has mainly appeared on small farms where sanitation and biosecurity is not good.

Syphilis – Australia

A total of 1,372 cases of infectious syphilis were notified in Victoria, compared to 1,351 cases in 2017 and 1,134 cases in 2016. The majority of notified cases continue to occur in males with 73 per cent of males reporting male sexual partners as the source of infection. Thirty per cent of the cases among MSM were HIV positive and of these, 57 per cent were reinfections.

Measles – Brooklyn, USA

New York City health officials reported an additional 33 confirmed measles in the past week, bringing the outbreak total to 214 since October 2018.

Crimean-Congo haemorrhagic fever – South Africa

A Kimberley man is being treated for Crimean-Congo haemorrhagic fever (CCHF), commonly known as Congo fever, in the isolation unit at the Robert Mangaliso Sobukwe Hospital. Elliott is the second patient to be diagnosed with Congo fever in South Africa this year. The other case is in the Free State. It is thought he contracted the disease through a tick bite.

Volcanos

Global Volcanic Activity – New Activity for the week of 20 March – 26 March 2019

Bezymianny | Central Kamchatka (Russia) : KVERT reported that after a powerful explosive eruption at Bezymianny recorded on 15 March activity was characterized by growth of the W part of the lava dome, strong fumarolic activity, and dome incandescence. The Aviation Color Code was lowered to Yellow (the second lowest level on a four-colour scale) on 21 March.

Tengger Caldera | Eastern Java (Indonesia) : PVMBG reported that during 19-26 March ash plumes of variable densities and colors ranging from white to black rose as high as 1.2 km above the crater rim of Tengger Caldera’s Bromo cone. The ash plumes drifted in multiple directions. The Alert Level remained at 2 (on a scale of 1-4), and visitors were warned to stay outside of a 1-km radius of the crater.

Villarrica | Chile : On 20 March POVI reported that lava fountains at Villarrica were visible rising almost 50 m above the crater rim. They noted that, despite low seismicity, Strombolian explosions on 24 March ejected material more than 25 m above the crater rim.