Earthquakes

Magnitude 5+ Earthquakes – Global

6.4 earthquake hits central California.

The earthquake, the largest to hit California in two decades left buildings and roads with varying degrees of damage. This included buildings with minor cracks; broken water mains; power lines down; rock slides on certain roads” but no injuries or major fires.

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5.6 earthquake hits the Queen Charlotte Islands.

5.4 earthquake hits central California.

5.1 earthquake hits Tonga.

5.1 earthquake hits the western Indian-Antarctic ridge.

5.0 earthquake hits off the east coast of Honshu, Japan.

5.0 earthquake hits the Samoa Islands.

5.0 earthquake hits the Peru-Ecuador border.

5.0 earthquake hits New Ireland, Papua New Guinea.

Storms and Floods

Tropical Storms – Roundup of Tropical Storms:

In the Eastern Pacific Ocean: Hurricane Barbara is located about 1475 mi…2375 km e of Hilo Hawaii and about 1510 mi…2430 km w of the southern tip of Baja California with maximum sustained winds…80 mph…130 km/h. Present movement…nw or 305 degrees at 12 mph…19 km/h.

NewsBytes:

Japan – Heavy rain caused flooding and mudslides in southern Japan on Thursday, injuring four people, damaging dozens of homes and leaving hundreds of others without power. One person was missing and possibly was buried under the same mudslide where another had been confirmed dead earlier. The casualties occurred in the hardest-hit southern prefecture of Kagoshima. Nearly 80 houses were damaged in Kagoshima and the two other southern prefectures of Miyazaki and Kumamoto. About 1,700 houses were without power. Rainfall since the weekend has exceeded 1 meter (yard) in areas, he said, and cautioned residents against landslide risks and urged them to stay up to date with weather reports. More than 1 million residents had been advised to evacuate to shelters.

India – Eighteen people have died and six others missing after heavy rainfall caused a dam breach which flooded a village in the western Indian state of Maharashtra. Houses were swept away as flood waters engulfed Tiware Bhendwadi village. Maharashtra has seen torrential rains over the past week. Floods have also caused wall collapses in many parts of the state, causing several deaths. The state capital Mumbai was also submerged this week, causing 18 deaths and plunging the city – India’s financial capital – into chaos.

Global Warming

Carbon Retirement

New research indicates that the only way to limit global warming to 1.5 to 2.0 degrees Celsius, as agreed to internationally, is through the early retirement of the world’s power plants and industrial equipment that burn fossil fuels. That is, unless the facilities can be retrofitted before 2050 to capture and store their carbon emissions, or those emissions are offset by pulling an equal amount of carbon dioxide from the atmosphere.

A new report published in the journal Nature points out that reaching the goal will be difficult because the number of fossil fuel-burning power plants and vehicles around the world has increased dramatically during the past decade. This has mainly been due to rapid economic expansion in China and India.

“We need to reach net-zero carbon dioxide emissions by mid-century to achieve stabilization of global temperatures as called for in international agreements such as the Paris accords,” said the study’s lead author Dan Tong of the University of California, Irvine.

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Wildlife

Cooked Mussels

Unseasonable heat along the Northern California coast during June thoroughly cooked mussels exposed above the water at low tide, leaving their shells gaping wide in 100-degree heat.

It was the largest die-off of mussels in at least 15 years at Bodega Head, where some say it was worse than during the 2004 heat wave.

The hottest weather north of San Francisco typically occurs later in the summer, when the low tides exposing the mussels happen in the cooler mornings or at night.

Environment

Global Temperature Extremes

The week’s hottest temperature was 121 degrees Fahrenheit (49.4 degrees Celsius) in Al Ahsa., Saudi Arabia.

The week’s coldest temperature was minus 90.0 degrees Fahrenheit (minus 67.7 degrees Celsius) at Russia’s Vostok base, Antarctica.

Temperatures were tabulated from the more than 10,000 worldwide synoptic weather stations. The United Nations World Meteorological Organization sets the standards for weather observations, and provides a global telecommunications circuit for data distribution.

Wildfires

Wildfires – Greece

Two new brush fires broke out overnight on the Greek island of Evia, forcing the evacuation of four villages, authorities said Friday.

The new wildfires came several hours after a major blaze led to the mobilization of more than 100 firefighters and the evacuation of another village. Firefighters managed to limit the spread of the initial fire, which was burning woodland and agricultural areas, but difficult terrain and high temperatures hampered their efforts to extinguish it.

Wildfires – Arctic

Across the Arctic, more than 100 wildfires are releasing clouds of carbon dioxide and other harmful emissions into the atmosphere.

The fires have been burning across the Arctic Circle in Siberia and Alaska for weeks. Though fire is a natural part of some Arctic ecosystems, scientists are calling the wildfires “unprecedented” for the month of June based on their size and carbon dioxide emissions.

“These are some of the biggest fires on the planet, with a few appearing to be larger than 100,000 hectares,” Thomas Smith, professor of geography at the London School of Economics, said in an email. “The amount of CO2 emitted from Arctic Circle fires in June 2019 is larger than all of the CO2 released from Arctic Circle fires in the same month from 2010 through to 2018 put together.”

Disease

Dengue Fever

Sri Lanka – Sri Lanka’s Epidemiology Unit has reported more than 25,000 dengue fever cases so far this year, according to new data published today. Through July 5, 25,267 dengue cases have been reported with Colombo reporting one-fifth of the cases nationwide. 35 deaths have been reported.

Philippines – In the Western Visayas region of the Philippines, the governor of Iloilo province announced he will issue an executive order declaring an outbreak in the province. According to the data of the Provincial Health Office from January 1 to June 28, the province has already recorded 3,897 cases of dengue with the death toll in the Philippines approaching 400.

Vietnam – Health officials in Vietnam’s most populous city, Ho Chi Minh City (HCM City), aka Saigon have reported more than 24,000 dengue fever cases during the first six months of the year.

Ebola – DR Congo

Graphic showing the current situation.

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HIV – Pakistan

More than 700 have children have now been found to be infected with HIV in a huge outbreak in southern Pakistan, making up more than 80 per cent of those who tested positive for the virus.

An outbreak of the virus in Sindh province prompted the World Health Organization to carry out a screening programme, which found 876 people to be infected with the virus – 82 per cent of whom were under the age of 15. The outbreak, which was first discovered in April, has been described as unprecedented in Asia because of the large numbers of children affected.

Volcanos

Global Volcanic Activity – Ongoing Activity for the week of 26 June – 2 July 2019

Dukono | Halmahera (Indonesia) : Based on satellite and wind model data, and notices from PVMBG, the Darwin VAAC reported that during 26 June-2 July ash plumes from Dukono rose to an altitude of 2.1 km (7,000 ft) a.s.l. and drifted in multiple directions. The Alert Level remained at 2 (on a scale of 1-4), and the public was warned to remain outside of the 2-km exclusion zone.

Ebeko | Paramushir Island (Russia) : KVERT reported that a thermal anomaly over Ebeko was identified in satellite images on 23 June; weather clouds obscured views of the volcano on the other days during 21-28 June. The Aviation colour Code remained at Orange (the second highest level on a four-colour scale).

Klyuchevskoy | Central Kamchatka (Russia) : KVERT reported that a weak thermal anomaly over Klyuchevskoy was visible in satellite images on 23 and 26 June, and a gas-and-steam plume with some ash content drifted E on 26 June. The Aviation colour Code remained at Orange (the second highest level on a four-colour scale).

Krakatau | Indonesia : PVMBG reported that Anak Krakatau’s seismic network recorded periods of increased activity with three eruptive events detected during 25-26 June, four events detected on 1 July, and one event on 2 July. The event was not followed by visible ash emissions, though observations were hindered by weather conditions. The Alert Level remained at 2 (on a scale of 1-4), and the public was warned to remain outside of the 2 km radius hazard zone from the crater.

Sangeang Api | Indonesia : The Darwin VAAC reported that on 27 June ash plumes from Sangeang Api rose to 2.1 km (7,000 ft) a.s.l. and drifted NW. A thermal anomaly was also visible. On 29 June a discrete ash puff that rose to 2.4 km (8,000 ft) a.s.l. drifted NW, and steam emissions were ongoing.

Santa Maria | Guatemala : INSIVUMEH reported increased activity at Santa María’s Santiaguito lava-dome complex in a special bulletin posted on 2 July. They note that during the previous two years activity was characterized as low, with 10-15 weak explosions per day, and emissions composed mainly of water vapor with minor ash content. Beginning on 28 June the seismic network recorded a gradual increase of the number and intensity of explosions, with 35-40 events per day. These explosions were weak-to-moderate intensity and produced ash plumes that rose 1-1.3 km above the complex and drifted S and SW. Ashfall was recorded in areas downwind including Patzulín, El Faro, Horizontes, Las Marías, Loma Linda, and San Marcos Palajunoj. Block avalanches descended the SE, S, and SW flanks and sometimes generated ash plumes.

Semeru | Eastern Java (Indonesia) : PVMBG reported that at 0830 on 26 June an eruption at Semeru produced an ash plume that rose around 600 m above the summit and drifted SW. The Alert Level remained at 2 (on a scale from 1-4); the public was warned to stay 1 km away from the active crater and 4 km away on the SSE flank.

Sheveluch | Central Kamchatka (Russia) : KVERT reported that a thermal anomaly over Sheveluch’s lava dome was identified daily in satellite images during 21-28 June. Explosions on 24 and 27 June generated ash plumes that rose to 4.5 km (14,800 ft) a.s.l. and drifted E and SW, respectively. The Aviation colour Code remained at Orange (the second highest level on a four-colour scale).

Stromboli | Aeolian Islands (Italy) : INGV reported that during 30 June-2 July activity at Stromboli was characterized by ongoing low-to-medium intensity Strombolian explosions and degassing from multiple vents within the crater terrace. A high-energy explosion from vent C in Area C-S (South Central crater area) was recorded at 2303 on 25 June. The event lasted for about 28 seconds, ejected material that fell onto most of the crater terrace and into the Valle della Luna, and widened the vent.

White Island | North Island (New Zealand) : GeoNet reported that earthquake swarms at White Island were recorded in May and beginning on 20 June. Even though both swarms were interpreted as fault activity and no unusual volcanic activity was observed, GeoNet increased monitoring of the volcano. Earthquake swarms can increase the likelihood of landslides. A gas flight was conducted on 26 June because of the heightened monitoring and measurements were found to be 1,886 tons per day, three times the previous values measured in May. This was also the highest value recorded since 2013 and the second highest since regular measurements began in 2003. The Volcanic Alert Level was raised to 2 (on a scale of 0-5) and the Aviation colour Code was raised to Yellow. Two more gas flights found lower emissions values; sulfur dioxide flux was 880 tons per day on 28 June and 693 tons per day on 29 June. In addition, new measurements found no changes to fumarolic temperatures and modeling of ground deformation suggested the ongoing earthquake swarm was tectonic and did not reflect increased volcanic activity. The Volcanic Alert Level was lowered back to 1, with no change to the Aviation colour Code.

Yasur | Vanuatu : On 27 June the Vanuatu Meteorology and Geo-Hazards Department (VMGD) reported that recent observations and data from Yasur’s seismic network confirmed ongoing sometimes strong explosions. The Alert Level remained at 2 (on a scale of 0-4). VMGD reminded residents and tourists that hazardous areas were near and around the volcanic crater, within a 395-m-radius permanent exclusion zone, and that volcanic ash and gas could reach areas impacted by trade winds.

Rare Lake of Bubbling Lava Discovered on Remote Antarctic Island

A huge lake of sizzling hot lava has been discovered in a volcano on a remote sub-Antarctic island in the South Atlantic Ocean. It’s only the eighth lake of molten rock ever discovered on Earth.

Scientists from University College London (UCL) and the British Antarctic Survey (BAS) discovered this rare lava lake on Mount Michale volcano on Saunders Island in the South Sandwich Islands, about 1,000 miles (1,610 kilometers) north of the eastern edge of Antarctica’s Weddell Sea.

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