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Question

Sea lion strandings climb, scientists still stumped

Sea Lions Rehab
© Pacific Marine Mammal Center
This year, an unusually high number of sea lion pups have stranded on southern California's shores, overwhelming marine mammal rehab centers.
Scientists still don't know why nearly 1,300 sickly sea lions have beached themselves on the shores of southern California since the beginning of the year. However, they think some weird oceanic phenomenon may be blocking off the sea lion pups' source of food, scientists reported today (April 17).

The stranded sea lions - mostly pups born last summer - are typically turning up alive, but severely emaciated, some weighing less than 20 pounds (9 kg) when they should be well over 50 pounds (22 kg), marine officials say.

The National Oceanic and Atmospheric Administration (NOAA) declared an "unusual mortality event" last month in light of the spike in strandings. Since the beginning of the year, 1,293 sea lions have washed ashore from San Diego County to Santa Barbara County.

That's more than five times higher than the region's historical average of 236, averaged from the same period of time (January through April) from 2008 to 2012, said Sarah Wilkin, NOAA's marine mammal stranding coordinator for California.

The problem is most pronounced in Los Angeles County, where 459 strandings have been reported this year as of April 14. During the same period last year, 60 strandings were reported.

Snow Globe

UK: Spring limps in at long last, but will the season bring birds, bees and blossom?

After weeks of bitter cold, experts fear that tens of thousands of migrant species may have already perished on Britain's shores

Image
© Owen Humphreys/PA
Four-year-old Kadie Lane scents spring in Shiremoor, North Tyneside, on Saturday.
The warmer weather which is expected this week could herald one of the most spectacular springs in decades, with the arrival of migrant birds and the mass emergence of insects, blossom and spring flowers, say naturalists.

But the prolonged winter may also have exacted a terrible toll on wildlife, with many birds, animals and plants perishing after months of bitter winds, limited food and repeated heavy snowfalls.

"The main pulse of southern migrant birds, such as swallows and housemartins, should arrive this weekend," said Matthew Oates, a naturalist with the National Trust. "The winds are at last in the right direction. There are reports of a lot of chiffchaffs in the Channel Islands. They may be stuck there."

Late springs are not unusual, but 2013 has been exceptional because of the unremitting cold.

"This is stretching my experience," said Oates. "Frogs have only just started turning up. Even in 1996 they had done their thing by the end of March. This is quite remarkable. The insects still haven't got going, but as soon as it warms up the midges and flies should be out. The bigger insects still haven't started."

Some ornithologists fear that tens of thousands of migrant birds which feed on the wing off insects and usually reach Britain by the start of April may have arrived and died.

Question

Australia: Another fish kill stinks out Wonnerup

An estimated 7,000 fish are dead in the Vasse estuary at Wonnerup

Image
© Ruslan Kulski - ABC Open
Thousands of fish are dead in the Vasse estuary
The latest fish deaths, the third such event in five years, has again called in the question the health of the Busselton waterways.

Low flows, poor water quality and phosphorus are the likely cause of the fish deaths in the Vasse estuary over the weekend, says Dr Kath Lynch of the Department of Water.

Water quality in the estuary is often poor but was notably bad this summer, she says.

Recent rains which washed down nutrients, combined with warm days, created perfect conditions for algae.

As a result, the water was depleted of oxygen, she explains in a nutshell.

Bizarro Earth

Japan's volcanic island rocked by dozens of earthquakes

Image
More than a dozen earthquakes, one of them magnitude 6.2, rocked a volcanic island south of Tokyo Wednesday, the national meteorological agency said. There were no immediate reports of injuries or property damage from any of the quakes and no risk of a tsunami, the agency said. The biggest tremor, with its epicenter located near Miyake Island some 180 kilometers (110 miles) south of Tokyo, was registered at around 5:57 pm (0857 GMT), the Japan Meteorological Agency said.

"There may be slight changes in the level of sea along Japan's coast but there is no fear of damage resulting from this quake," the agency said. There had been 13 minor quakes near the island - an active volcano - since 10:15 am (0115 GMT) Wednesday. A small earthquake was also registered four minutes after the 6.2-magnitude tremor, the agency said. The volcano erupted in 2000, forcing all 3,800 islanders to evacuate. Many of them have since returned to the island. - ASIA ONE

Snow Globe

Snow storm: Sheep death toll reaches 20,000 in Northern Ireland

More than 20,000 sheep were lost in the recent snow blizzard, and it may be next month before all the dead animals are found and counted.

Image

Many farmers faced serious dangers as they tried to reach their animals
The news emerged at a meeting of the agriculture committee at Stormont.

It is estimated that almost 800 farms were affected by the severe snow storm.

With snow still lying in some high parts of Northern Ireland, dead animals are still being recovered, but the committee heard that one sheep was found alive 25 days after the blizzard.

An official from the Department of Agriculture told the committee that as of 14: BST on Tuesday, the number of dead animals collected was:

20,179 sheep (including 15,195 lambs)
603 cattle

Snow Globe

Bird jams: Long winter sends migratory flocks into tailspin in Germany

Image
© dpa/picture-alliance/Newscom
Barnacle Geese fly over a field near St. Peter Ording, Germany, March 17, 2013. In spring and autumn every year, thousands of these Artic birds stop-over in the Wadden Sea during migration.
Weak and exhausted birds flying to their breeding grounds in Northern Europe have made an unpleasant discovery: Winter isn't over yet. The result has been a difficult search for food as well as huge gatherings of migratory birds in milder parts of Germany.

They say the early bird gets the worm, but this year in Germany, those that have already returned for spring breeding are actually struggling to find enough food.

Though spring technically began last month and Easter has come and gone, winter continues to drag on in Germany. In some places, this March was the coldest in 130 years, and snow still covers many parts of the country. This has put residents in a surly mood, but the unseasonable weather has been much harder on migratory birds, whose return usually heralds warmer weather to come.

Local news reports across the country in recent days have detailed "bird jams," or locations where huge flocks of migratory birds have gathered to weather the cold before reaching their final breeding grounds.

"Because of the snow still covering the ground in many places, they are struggling to find enough food to make it the final stretch, particularly to the breeding grounds that are further north," says Eric Neuling, an ornithologist at the Nature and Biodiversity Conservation Union (NABU) in Berlin. "So they are staying as long as possible in places where the weather is milder to some degree, where they can find enough food to refuel."

Bizarro Earth

USGS: Earthquake Magnitude 6.8 - ESE of Aitape, Papua New Guinea

PNG Quake_160413
© USGS
Event Time
2013-04-16 22:55:26 UTC
2013-04-17 08:55:26 UTC+10:00 at epicenter

Location
3.178°S 142.514°E depth=8.0km (5.0mi)

Nearby Cities
19km (12mi) ESE of Aitape, Papua New Guinea
130km (81mi) WNW of Wewak, Papua New Guinea
145km (90mi) ESE of Vanimo, Papua New Guinea
213km (132mi) ESE of Jayapura, Indonesia
863km (536mi) NW of Port Moresby, Papua New GuineaTechnical Details

Bizarro Earth

Iran's massive 7.8 magnitude earthquake explained

Image

The Iran earthquake arriving on a seismometer at Keele University in the UK.
The strongest earthquake to hit Iran in more than 50 years was a subduction-zone quake - the same tectonic setting underlying deadly temblors in Japan, Chile and Indonesia.

The magnitude-7.8 Khash earthquake struck 51 miles (82 kilometers) beneath the Earth's surface, where the Arabian Plate dives under the massive Eurasian Plate, the U.S. Geological Survey (USGS) reported. The quake hit today (April 16) at 3:14 p.m. local time (6:44 a.m. EDT). Shaking was felt from New Delhi to Dubai, and dozens of people have been reported killed by collapsed structures, according to news reports. The USGS said that there will be more than a 47 percent chance of more than 1,000 fatalities.

Known as the Makran subduction zone, the plate boundary has produced some of the Middle East's biggest and deadliest earthquakes. For example, in November 1945, a magnitude-8.0 earthquake in Pakistan triggered a tsunami within the Gulf of Oman and the Arabian Sea, killing more than 4,000 people.

Considering subduction-zone earthquakes can strike nearly 435 miles (700 km) deep in the Earth, today's quake was likely within the Arabian Plate itself, not along the zone where the two massive slabs meet, said Bill Barnhart, a research geophysicist with the USGS in Denver.

Ambulance

At least 34 dead as Pakistan jolted by powerful Iran quake

Image
© Agence France-Presse/Assif Hassan
Pakistanis are pictured outside after evacuating nearby buildings following tremors in Karachi on April 16, 2013
At least 34 people were killed in southwestern Pakistan on Tuesday when it was hit by tremors from a 7.8 magnitude earthquake in neighboring Iran, Pakistani officials said.

The epicenter was located in southeast Iran in an area of mountains and desert, about 200 km (125 miles) southeast of Zahedan and 250 km northwest of Turbat in Pakistan, the US Geological Survey said, Reuters reported.

Three women and two children were killed when their mud house collapsed in the district of Panjgur in the Pakistani province of Baluchistan.

"The earthquake has killed at least five people in Panjgur," said Ali Imran, an official of the Provincial Control Room, a government disaster-response unit in Quetta, the main city in the region.

Bizarro Earth

USGS: Earthquake Magnitude 4.3- 12km ENE of Luther, Oklahoma

Image
© USGS
Event Time:
2013-04-16 06:56:30 UTC
2013-04-16 01:56:30 UTC-05:00 at epicenter

Location:
35.685°N 97.066°W depth=5.0km (3.1mi)

Nearby Cities:
12km (7mi) ENE of Luther, Oklahoma
27km (17mi) NE of Choctaw, Oklahoma
37km (23mi) E of Edmond, Oklahoma
39km (24mi) NE of Midwest City, Oklahoma
47km (29mi) ENE of Oklahoma City, Oklahoma

Technical Data