24 Apr

Ukraine: Missile Attack on Kyiv Kills Nine









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Ukraine
Missile Attack on Kyiv Kills Nine
Russia launched an overnight assault on Kyiv, sending waves of drones and missiles that killed at least 9 people and injured more than 70 in the deadliest attack on the Ukrainian capital since last summer. Other cities, including Kharkiv, were also targeted with air attacks. The Ukrainian military reported that Russia launched at least 215 aerial projectiles, most aimed at Kyiv, and that more than half were intercepted by air defenses. The escalation comes as U.S.-led peace talks between Russia and Ukraine have stalled.

This map depicts recent Russian advances and attacks on Ukraine. Click on the map to learn more.

Graphic Source: The Guardian
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India-Pakistan
Crucial Water Treaty Suspended
In a sharp response to Tuesday’s attack on tourists in Indian-administered Kashmir, India announced a series of measures against Pakistan, including the suspension of the Indus Waters Treaty that governs the sharing of the river Indus’s waters. The Indus Basin is a lifeline for the populations of Pakistan and India, who rely on the river water flowing from the Himalayas for irrigation and agriculture. A day after India decided to hold the Indus Waters Treaty at abeyance, the Pakistan Prime Minister’s Office said any such attempt would be seen as an “act of war.” The country also announced a series of retaliatory actions including blocking its airspace for India and suspension of all trade activities. The Himalayan territory of Kashmir has been a flashpoint between the two countries since they gained independence from British rule in 1947, with each country controlling parts of Kashmir but claiming it in full.

This map depicts the rivers of the Indus Waters Treaty between India and Pakistan. Click on the map to learn more.

Graphic Source: Reuters
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United States
Yellowstone Magma Cap Mapped
A team of researchers from four U.S. universities has discovered a hidden cap of magma around 2.4 miles (3.9 km) beneath Yellowstone. It has long been known that there is a large reservoir of magma beneath Yellowstone, contributing the heat energy that drives its many geothermal features. But the exact depth and structure of the magma is only just now starting to be understood. To map the area beneath Yellowstone, the researchers used a 53,000-pound vibroseis truck, which is normally used for oil and gas exploration, to create mini-earthquakes and read the seismic waves that are reflected from structures beneath the surface. The cap is described as “volatile-rich,” meaning it’s full of diffused gases, but with channels that help release the gases in a controlled fashion, so the cap is simultaneously acting as a lid to restrain heat and pressure beneath it while also releasing pressure that could drive an eruption from building up.

This map depicts the location of a magma cap beneath Yellowstone that was recently discovered by researchers. Click on the map to learn more.

Graphic Source: Nature
 

Yesterday’s Answer

Q: What state is home to the deepest lake in the U.S.? 

A: Oregon
Crater Lake is a volcanic crater lake in south-central Oregon in the Western U.S., known for its deep blue color and water clarity. Roughly 7,700 years ago, a volcanic mountain, posthumously named Mount Mazama, exploded with forty-two times the force of Mount St. Helens, or put another way, the force of a very large hydrogen bomb. The 11,000-foot-tall (3,350 m) mountain blew some 5,000 feet (1,524 m) of its top off and collapsed in on itself. After it cooled, it left a 1,949-foot-deep (594 m), five by six-mile-wide (8.1 x 9.6 km) crater where there had once been a mountain. So large was the crater that, as the crater filled with 4.6 trillion gallons (17 trillion liters) of rainwater, it was transformed from a crater into the deepest lake in the United States and the ninth deepest in the world.

Source 

Today’s Question

Q: What is the only Spanish-speaking country in Africa? 
 

Stay tuned for the answer to today’s question in tomorrow’s DailyGeo.

 

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