Earth Changes
A powerful magnitude 7 earthquake struck off Indonesia's island of Sumatra on Friday, prompting authorities to issue a tsunami warning and to order people to evacuate their homes.
The quake hit about 227 km (141 miles) from the city of Teluk Betung on the island at a depth of 59 km (37 miles). Indonesian authorities have warned that the tsunami could reach as high as three meters (10 feet).
"There are some areas at risk of a serious threat of a tsunami that could be as high as three metres," said agency official Rahmat Triyono, as cited by the AFP. "We're still waiting for reports about damage from the quake."
The Indonesian geophysics agency quickly issued a tsunami warning and the country's Disaster Mitigation Agency said that residents on the Banten coast of Java island should "immediately evacuate to higher ground".
There were no immediate reports of damage or casualties from the quake, which the agency said hit at a depth of 49 km (30 miles), about 47 km (29 miles) northwest of the town of Neiafu.
In a statement, the region's governor Kemal Çeber said that 120mm of rain fell in 4 hours, flooding areas around the city of Rize, capital of Rize Province, inundating roads and buildings.
Two vehicles containing 3 people were swept away by flood waters from an overflowing stream on the outskirts of the city. Two survived but one is still missing. Search and rescue operations are continuing.

People walk from flooded road as there is water logging due to heavy rain on LBS Road near Sion station in Mumbai, on Sunday, August 4, 2019.
Rivers in the western state of Maharashtra were flooded after authorities released water from dams made full after many parts on the west coast received more than 200 mm (8 inches) of rain.
Trains were cancelled due to the heavy downpours and because a boulder fell on one line, railway authorities said on Twitter.
Schools and colleges in Mumbai and neighbouring districts were also closed on Monday following a warning by the weather office of heavy rainfall, the Maharashtra chief minister's office tweeted.
Comment: Last week the Indian army and navy were called in to save 700 people stranded on a flooded train in Maharashtra state following torrential rain.

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Sources
A house was destroyed and the towns such as Kazi and Zhongchang were the most seriously affected. The traffic, electricity, drinking water and communication in 8 villages in Kazi Town were all interrupted.
As of 14:00 on August 4, 1 person was killed and 3 people were injured due to the disaster.
Comment: A few days earlier in the same province a dam burst resulted in the flooding of another local town:

Rescuers pull tourists out of the flood which hit Duobi Gorge at Hefeng county in Hubei province on Sunday night.
The accident happened around 6:40 pm on Sunday in Duobi Gorge, Hefeng county. So far, 61 people have been rescued, according to the rescue headquarters.
The identities of the victims have been preliminary confirmed as tourists from outside the region. Rescue work is still underway.
Source: Xinhua
Another high-level eruption took place at Ulawun volcano at 10:30 UTC, Aug 03. It follows the ejection to 63,000 feet (19.2km) on June 26 which was the world's first full-scale subplinian eruption since Calbuco, Chile in 2015, which ranked as a VEI 4.
A repeat of that June 26 eruption has just taken place (Aug 03), firing another colossal ash column to 63,000 feet (19.2 km) a.s.l. and comfortably into the stratosphere, according to the Volcanic Ash Advisory Center (VAAC) Darwin,
Particulates ejected to altitudes above 32,800 feet (10 km) have a direct cooling effect on the planet.
This large eruption was preceded by two smaller, though still significant puffs, on Aug 03 — one to 25,000 feet (7.6 km) and the other to 50,000 feet (15.2km). While two powerful ejections have occurred since the 'big one' — both to an estimated 45,000 feet (13.7 km) a.s.l.
This latest eruptive activity looks set to be at least as big as 2000's eruption, which ranked as a VEI 4.
Satellite imagery shows a large circular cloud over the volcano:
The quake occurred at around 11.30am UK time off the northeastern coast of Japan, about 50 kilometers (31 miles) below the seabed.
After effects were felt in the districts of Fukushima and Miyagi along with the capital city Tokyo, which is around 160 miles away. Authorities say there is no danger of a tsunami, and there were no immediate reports of casualties.












Comment: Update: Reliefweb on the 5th of August reports: