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M4.7 Earthquake - Northern California
March 23 | United States Geological Survey

California Earthquake Map Collection
March 23 | Geology.com
California earthquakes
San Francisco Earthquake, 1906: This earthquake is one of the most devastating in the history of California. The earthquake and resulting fires caused an estimated 3,000 deaths and $524 million in property loss. Damage in San Francisco resulting only from the earthquake was estimated at $20 million; outside the city, it was estimated at $4 million. The sensible duration of the shaking in San Francisco was about 1 minute.

Geosteering CTD, Using the Drill Bit as a Sensor
March 23 | WorldOil
Directional and Horizontal Drilling in Oil and Gas Wells
March 23 | Geology.com
horizontal drilling
Directional drilling can be used to reach targets that cannot be drilled with a vertical well. For example, it may not be possible to get a drilling permit for a well located within a populated area or within a park. However, a well could be drilled just outside of the populated area or park and then steered directionally to hit the target.

Drillers Snap Up Federal Leases Near Utah*s Wilderness Monuments
March 23 | Reuters
70,000 Years Ago, a Passing Star Shook Up Our Solar System
March 23 | Smithsonian.com
Drillers Give Tepid Response to Record U.S. Offshore Lease Sale
March 23 | Reuters
California Public Utilities Commission Directs SoCalGas to Maximize Storage Injections for Summer Reliability
March 23 | Energy Information Administration
storage injections at SoCalGas
Ocean Tides Affect Ice Loss from Large Polar Ice Sheets
March 23 | EOS Earth and Space Science News
USGS Authors New Report on Seismic Hazard, Risk, and Design for South America
March 22 | United States Geological Survey
South America Seismic Hazard Map
Shedding Light on the Southern Ocean Carbon Sink
March 22 | EOS Earth and Space Science News
Laminated Wall Map of Antarctica and the Southern Ocean
March 22 | Geology.com
Map of Antarctica and the Southern Ocean
Understanding High-Latitude Methane in a Warming Climate
March 22 | EOS Earth & Space Science News
Nearly 9-Hour Rainbow in Taiwan Sets New Guinness Record
March 22 | Smithsonian.com
ALROSA*s New Diamond Detector
March 22 | ALROSA
ALROSA Diamond Inspector can identify natural polished diamonds, polished diamonds manufactured from synthetic and treated diamonds, non-diamond imitations (simulants), such as cubic zirconia, moissanite, and others. The device allows analyzing both individual diamonds and diamonds in jewelry.
Which Countries Produce the Most Gem Diamonds?
March 22 | Geology.com
diamond production
Estimated production levels for countries mining at least one million carats of gem-quality diamonds in 2016. Graph by Geology.com. Data from USGS Mineral Commodity Summaries.

What Doomed the Pterosaurs?
March 22 | Smithsonian.com
Historic Blue Diamond to be Auctioned, Expecting $3.7 to $5.3 Million
March 22 | JCK Online
There*s a Small Chance an Asteroid Will Smack Earth in 2135. NASA Is Working on a Plan.
March 22 | The Washington Post
Google Map of Earth*s Most Visible Impact Craters
March 22 | Geology.com
asteroid impact sites
Explore fifty of earth's most obvious asteroid impact sites with satellite images and maps. Image from Google Maps.

Ocean Formation on Ancient Mars May Have been Assisted by Volcanoes
March 21 | Los Angeles Times
How Do You Make Beer in Space?
March 21 | Smithsonian.com
The Rock Used to Make Beer
March 21 | Geology.com
rock used to make beer
Image copyright iStockphoto / nitrub.

Monitoring Tropical Cyclones with Lightning and Satellite Data
March 21 | EOS Earth and Space Science News
Electricity Generation from Fossil Fuels Declined in 2017 as Renewable Generation Rose
March 21 | Energy Information Administration

Time to Get Ethane Cracker Up and Running in WV*s Northern Panhandle
March 21 | WV News
Building a Storage & Trading Hub for Natural Gas Liquids in West Virginia?
March 21 | WV News
Oil Lobbyist Says Industry Needs *Flexibility* on Steel Tariffs
March 21 | Houston Chronicle
USGS Flood Experts Respond to High Water in Central, Northeastern U.S.
March 21 | United States Geological Survey
USGS flood experts
Green Diamonds: One of Rarest and Most Valuable Diamond Colors
March 20 | Geology.com
green diamonds
This green diamond has all of the characteristics of a highly desirable colored diamond: A) it is a natural diamond; B) the green color was produced by nature; and, C) the color is a pure green with a rich saturation. The Gemological Institute of America graded its color as *fancy vivid green* with a natural origin and an even distribution. Image used with permission of IBD Fancy Colors LLC.

Egypt*s Sole Gold-Exporting Mine Reports High Profits
March 20 | Mining.com
Workers at Idaho*s Lucky Friday Mine Have Been on Strike for 370 Days
March 20 | Mining.com
The U.S. Exported More Natural Gas than it Imported in 2017
March 20 | Energy Information Administration
U.S. Natural Gas Exports
The Challenge of Collecting and Analyzing Precipitation Data
March 20 | EOS Earth & Space Science News
It is collected at different times, in different places, and on different scales.
U.S. Petroleum Demand in February Hit 20.3 Million BPD
March 20 | Oil & Gas Journal
U.S. Steel Tariffs Could Hammer LNG Project Costs
March 20 | Houston Chronicle
Permian Basin Gas Production Surges - But, What Can Be Done With All of that Gas?
March 20 | Platts
United Kingdom Energy Report
March 19 | Energy Information Administration

Drones in Geoscience Research: The Sky Is the Only Limit
March 19 | EOS Earth and Space Science News
A Novel Way to Track Magma Flow
March 19 | EOS Earth and Space Science News
Permian*s Mammoth Cubes Herald Supersized Future for Shale
March 19 | Bloomberg
Ash From Dinosaur-Era Volcanoes Linked with Shale Oil and Gas
March 19 | Science Daily
China*s *Dash To Natural Gas* Bolsters U.S. LNG
March 19 | Forbes
Is LNG by Rail Coming to New England?
March 19 | JD Supra
Japanese Volcano Erupts, Dozens of Flights Grounded
March 19 | ABC News
Fifth-Largest Rough Gem Quality Diamond in History Sold for $40 Million
March 19 | Mining.com
Free Printable Calendars for April 2018
March 18 | WaterproofPaper.com - affiliated with Geology.com
april calendar
Print as many as you want, share with friends.

Dead Sea Provides Unique Insights on Water Evaporation
March 18 | EOS Earth & Space Science News
How Vanadium-Coated Smart Glass Saves Energy
March 18 | Mining.com
Building Sub-Seafloor Observatories to Monitor the Hikurangi Subduction Zone Off New Zealand
March 18 | National Science Foundation

Texas: Natural Gas Electricity Generation Gains at the Expense of Coal
March 18 | Energy Information Administration
natural gas electricity generation
Bauxite Shortage in China Hinders Alumina Production
March 17 | Mining.com
What is Bauxite?
March 17 | Geology.com
Bauxite from Little Rock, Arkansas, exhibiting a pisolitic structure and characteristic red iron staining. Specimen is approximately 4 inches (10 centimeters) across.

Electric Car Dreams May be Dashed by 2050 on Lack of Cobalt, Lithium Supplies
March 17 | Mining.com
EPA May be Overstating Claims from the Gold King Mine Spill
March 17 | Mining.com
Soot Transported from Elsewhere in the World Contributes Little to Melting of Some Antarctic Glaciers
March 17 | National Science Foundation
Antarctica Dry Valley
15th-Century Pot of Gold (and Silver) Found in the Netherlands
March 17 | Smithsonian.com
Solid-Fuel Use Puts Human Health at Risk
March 17 | EOS Earth & Space Science News
Aragonite Spheres and Pyrite Octahedrons in Ethiopian Opal
March 17 | Gemological Institute of America
More Inclusions in Gems
March 17 | Geology.com
inclusions in gems
Chaos in Moldavite: Moldavite is a gem that is cut from a green glass that formed when an asteroid slammed into what is now eastern Europe. The force of the hypervelocity impact flash-melted rocks in the impact area, and they condensed and solidified as they flew through the atmosphere. Numerous bubbles and flow lines in the moldavite provide evidence of the material*s violent creation.

Gem Diamonds Soars after Finding Its 7th Giant Rock This Year
March 16 | Mining.com
Spectacular Diamonds
March 16 | Geology.com
spectacular diamonds
Yellow Diamond Crystal: In December 2017, Alrosa announced the recovery of a 98.63-carat yellow-tinged octahedral diamond crystal from the Jubilee (Yubileynaya) Pipe, Sakha Republic, Russia.

NY Department of Environmental Conservation Sat on a Permit Application and Lost Their Opportunity to Appeal a Federal Decision
March 16 | Oil and Gas Journal
Ancient Earth*s Hot Interior Created a *Graveyard* of Continental Slabs
March 16 | MIT News
Scientists Find Seismic Imaging is Blind to Water
March 16 | MIT News
Where Do Bears Live in North America?
March 16 | Geology.com
bear map of North America
North America*s Bear Areas Map: This map shows the overlapping geographic ranges of three types of bears that inhabit North America - polar bears, black bears, and grizzly bears (also known as brown bears). This map was compiled by superimposing three maps prepared by Karl Musser (American black bear - Creative Commons License), Simon Pierre Barrette (grizzly bear - GNU Free Document License), and Fabio B (polar bear - public domain).

This Feathery Dinosaur Probably Flew, But Not Like Any Bird You Know
March 16 | The Washington Post
What*s A *Missing Link*?
March 15 | Smithsonian.com
Underwater Volcano Behavior Captured by Timely Scientific Expedition
March 15 | American Geophysical Union
U.S. Crude Oil Exports Increased and Reached More Destinations in 2017
March 15 | Energy Information Administration

NASA Dawn Reveals Recent Changes in Ceres* Surface
March 15 | NASA

Ancient Humans Weathered the Toba Supervolcano Just Fine
March 15 | Smithsonian.com
How Big Was the Toba Eruption?
March 15 | Geology.com
volcanic explosivity index
The spheres in the illustration above represent the volume of erupted tephra for some of the most widely-known explosive volcanic eruptions. Although most people believe that Vesuvius (79 AD - the Pompeii eruption), Mount St. Helens (1980), and Mount Pinatubo (1991) were enormous, they are very small compared to ancient eruptions such as Wah Wah Springs, Toba, Yellowstone, or Long Valley Caldera.

Satellite Image of the Toba Caldera and Calderas from Other Large Eruptions
March 15 | Geology.com
Caldera eruptions
Toba Caldera: Landsat GeoCover image of the caldera formed by the Toba Supervolcano. It is now the world*s largest volcanic lake. The image above was produced using Landsat GeoCover data from NASA.

A Fossilized Tooth from a Giant Shark Sat Undisturbed at a Secret Location. Then It Was Stolen.
March 15 | The Washington Post
Legal Aspects of Rock, Mineral, and Fossil Collecting
March 15 | Geology.com
mineral collecting
Removing rocks, minerals, fossils or other materials from property that you do not own can get you into big trouble. People have been sued or imprisoned for doing it. Next time you pick up a rock to take home think about the legality of what you are doing.

Fifth Largest Rough Diamond Ever Found Sells for $40 Million
March 15 | JCK Online
U.S. Shale Expected to Hit a New Record of 6.95 Million BPD in April
March 14 | Reuters
New Mexico Sets New Oil Production Record in 2017
March 14 | The Olympian
Texas Upstream Oil and Gas Industry Expands for 14 Straight Months
March 14 | Oil & Gas Journal
18 Ways NASA Uses Pi
March 14 | NASA
uses of Pi
Engineers use pi to put spacecraft into orbit around other planets. To do this, they have to slow down the spacecraft just enough and at exactly the right time for it to get pulled into orbit by the planet*s gravity. Engineers determine how much that gravity will tug on the spacecraft, how fast the spacecraft is going and the details of the new orbit. Using those numbers, along with pi, they can compute exactly how much they need to put on the brakes - which for a spacecraft, means firing its forward-facing thrusters at just the right moment. Image by NASA.

The Value of U.S. Energy Exports to Mexico Exceeded Import Value for Third Year in a Row
March 14 | Energy Information Administration

Engineering Earthquake Resilience in Downtown Skyscrapers
March 14 | National Science Foundation
Taxes Aren*t the Real Problem with Mining in Congo
March 14 | Mining.com
U.S. Miners Ask Supreme Court to End Uranium Mining Ban near Grand Canyon
March 14 | Mining.com
Uraninite: A Radioactive Mineral and the Most Important Source of Uranium.
March 14 | Geology.com
Uraninite Crystals collected from the Trebilcock Pit near Topsham, Maine. The specimen measures approximately 2.7 x 2.4 x 1.4 centimeters. Specimen and photo by Arkenstone / www.iRocks.com.

Developing Carbon Management Solutions
March 14 | Lamont-Doherty Earth Observatory
Stashing CO2 In Rocks
March 14 | Lamont-Doherty Earth Observatory
Researchers Map High Levels of Drugs in the Hudson River
March 14 | Lamont-Doherty Earth Observatory
New York Governor Wants State Excluded from Federal Offshore Drilling Program
March 13 | Reuters
Corpus Christi Set to Become Major Oil Export Hub as Shale Drilling Surges
March 13 | Houston Chronicle
Venezuela*s Crude Oil Production Declines Amid Economic Instability
March 13 | Energy Information Administration
Venezuela oil production
Mining Prospects on Fiji
March 13 | Mining.com
Preventing Theft from Diamond and Gold Mines
March 13 | Mining Technology
What Can Happen When a Diamond Dealer Tosses $4.5M Worth of Gems in the Trash
March 13 | JCK Online
Toward a Satellite-Based Monitoring System for Water Quality
March 13 | EOS Earth & Space Science News
U.S. Oil Export Surge Means OPEC*s Output Cuts May Be Doomed
March 13 | Bloomberg

How Do Deep-Sea Gravity Currents Transport Sediment So Far?
March 13 | EOS Earth & Space Science News
One of Australia*s Largest Gold Mines Halts Operations After Dam Collapse
March 13 | Mining.com
A Flammable Planet: Fire Finds Its Place in Earth History
March 12 | Earth Magazine