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Filter Total Items: 1,774
Year Published: 2013

U.S. Geological Survey natural hazards science strategy: promoting the safety, security, and economic well-being of the Nation

The mission of the U.S. Geological Survey (USGS) in natural hazards is to develop and apply hazard science to help protect the safety, security, and economic well-being of the Nation. The costs and consequences of natural hazards can be enormous, and each year more people and infrastructure are at risk. USGS scientific research—founded on...

Holmes, Robert R.; Jones, Lucile M.; Eidenshink, Jeffery C.; Godt, Jonathan W.; Kirby, Stephen H.; Love, Jeffrey J.; Neal, Christina A.; Plant, Nathaniel G.; Plunkett, Michael L.; Weaver, Craig S.; Wein, Anne; Perry, Suzanne C.
U.S. Geological Survey natural hazards science strategy: promoting the safety, security, and economic well-being of the Nation; 2013; CIR; 1383-F; Holmes, Robert R., Jr.; Jones, Lucile M.; Eidenshink, Jeffery C.; Godt, Jonathan W.; Kirby, Stephen H.; Love, Jeffrey.J.; Neal, Christina A.; Plant, Nathaniel G.; Plunkett, Michael L.; Weaver, Craig S.; Wein, Anne; Perry, Suzanne C.

Year Published: 2013

Characterization of the Hosgri Fault Zone and adjacent structures in the offshore Santa Maria Basin, south-central California: Chapter CC of Evolution of sedimentary basins/onshore oil and gas investigations - Santa Maria province

The Hosgri Fault Zone trends subparallel to the south-central California coast for 110 km from north of Point Estero to south of Purisima Point and forms the eastern margin of the present offshore Santa Maria Basin. Knowledge of the attributes of the Hosgri Fault Zone is important for petroleum development, seismic engineering, and environmental...

Willingham, C. Richard; Rietman, Jan D.; Heck, Ronald G.; Lettis, William R.
Characterization of the Hosgri Fault Zone and adjacent structures in the offshore Santa Maria Basin, south-central California: Chapter CC of Evolution of sedimentary basins/onshore oil and gas investigations - Santa Maria province; 2013; B; 1995-CC; Willingham, C. Richard; Rietman, Jan D.; Heck, Ronald G.; Lettis, William R.

Year Published: 2013

Evaluation of ISCCP multisatellite radiance calibration for geostationary imager visible channels using the moon

Since 1983, the International Satellite Cloud Climatology Project (ISCCP) has collected Earth radiance data from the succession of geostationary and polar-orbiting meteorological satellites operated by weather agencies worldwide. Meeting the ISCCP goals of global coverage and decade-length time scales requires consistent and stable calibration of...

Stone, Thomas C.; William B. Rossow; Joseph Ferrier; Laura M. Hinkelman
IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING, VOL. 51, NO. 3, MARCH 2013 PAGE 1255-

Year Published: 2013

Soil diversity and hydration as observed by ChemCam at Gale crater, Mars

The ChemCam instrument, which provides insight into martian soil chemistry at the submillimeter scale, identified two principal soil types along the Curiosity rover traverse: a fine-grained mafic type and a locally derived, coarse-grained felsic type. The mafic soil component is representative of widespread martian soils and is similar in...

Meslin, P.-Y.; Gasnault, O.; Forni, O.; Schroder, S.; Cousin, A.; Berger, G.; Clegg, S.M.; Lasue, J.; Maurice, S.; Sautter, V.; Le Mouélic, S.; Wiens, R.C.; Fabre, C.; Goetz, W.; Bish, D.L.; Mangold, N.; Ehlmann, B.; Lanza, N.; Harri, A.-M.; Anderson, Ryan Bradley; Rampe, E.; McConnochie, T.H.; Pinet, P.; Blaney, D.; Archer, D.; Barraclough, B.; Bender, S.; Blake, D.; Blank, J.G.; Bridges, N.; Clark, B. C.; DeFlores, L.; Delapp, D.; Dromart, G.; Dyar, M.D.; Fisk, M. R.; Gondet, B.; Grotzinger, J.; Herkenhoff, K.; Johnson, J.; Lacour, J.-L.; Langevin, Y.; Leshin, L.; Lewin, E.; Madsen, M.B.; Melikechi, N.; Mezzacappa, Alissa; Mischna, M.A.; Moores, J.E.; Newsom, H.; Ollila, A.; Renno, N.; Sirven, J.B.; Tokar, R.; de la Torre, M.; d'Uston, L.; Vaniman, D.; Yingst, A.
Soil diversity and hydration as observed by ChemCam at Gale crater, Mars; 2013; Article; Journal; Science; Meslin, P.Y.; Gasnault, O.; Forni, O.; Schroder, S.; Cousin, A.; Berger, G.; Clegg, S.M.; Lasue, J.; Maurice, S.; Sautter, V.; Mouelic, S. Le; Wiens, R.C.; Fabre, C.; Goetz, W.; Bish, D.l; Mangold, N.; Ehlmann, B.; Lanza, N.; Harri, A.-M.; Anderson, Ryan Bradley; Rampe, E.; McConnochie, T.H.; Pinet, P.; Blaney, D.; Leveille; Archer, D.; Barraclough, B.; Bender, S.; Blake, D.; Blank, J.G.; Bridges, N.; Clark, B.C.; DeFlores, L.; Delapp, D.; Dromart, G.; Dyar, M.D.; Fisk, M.; Gondet, B.; Grotzinger, J.; Herkenhoff, K.; Johnson, J.; Lacour, J.L.; Langevin, Y.; Leshin, L.; Lewin, E.; Madsen, M.B.; Melikechi, N.; Mezzacappa, A.; Mischna, M.A.; Moores, J.E.; Newsom, H.; Ollila, A.; Perez; Renno, N.; Sirven, J.B.; Tokar, R.; de la Torre, M.; d'Uston, L.; Vaniman, D.; Yingst, A.

Year Published: 2013

Operational Group Sandy technical progress report

Hurricane Sandy made US landfall near Atlantic City, NJ on 29 October 2012, causing 72 direct deaths, displacing thousands of individuals from damaged or destroyed dwellings, and leaving over 8.5 million homes without power across the northeast and mid-Atlantic. To coordinate federal rebuilding activities in the affected region, the President...

Attribution: Natural Hazards
Operational Group Sandy technical progress report; 2013; Federal Government Series; Department of the Interior Strategic Science Group

Year Published: 2013

The role of photogeologic mapping in traverse planning: Lessons from DRATS 2010 activities

We produced a 1:24,000 scale photogeologic map of the Desert Research and Technology Studies (DRATS) 2010 simulated lunar mission traverse area and surrounding environments located within the northeastern part of the San Francisco Volcanic Field (SFVF), north-central Arizona. To mimic an exploratory mission, we approached the region “blindly” by...

Skinner, James A.; Fortezzo, Corey M.
The role of photogeologic mapping in traverse planning: lessons learned from DRATS 2010 activities; 2013; Article; Journal; Acta Astronautica; Skinner, James A., Jr.; Fortezzo, Corey M.

Year Published: 2012

Stratigraphic architecture of bedrock reference section, Victoria Crater, Meridiani Planum, Mars

The Mars Exploration Rover Opportunity has investigated bedrock outcrops exposed in several craters at Meridiani Planum, Mars, in an effort to better understand the role of surface processes in its geologic history. Opportunity has recently completed its observations of Victoria crater, which is 750 m in diameter and exposes cliffs up to ~15 m...

Edgar, Lauren A.; Grotzinger, John P.; Hayes, Alex G.; Rubin, David M.; Squyres, Steve W.; Bell, James F.; Herkenhoff, Ken E.
Stratigraphic architecture of bedrock reference section, Victoria Crater, Meridiani Planum, Mars; 2012; Book chapter; Book; Sedimentary geology of Mars; Edgar, Lauren A.; Grotzinger, John P.; Hayes, Alex G.; Rubin, David M.; Squyres, Steve W.; Bell, James F.; Herkenhoff, Ken E.

Year Published: 2012

An atlas of Mars sedimentary rocks as seen by HiRISE

Images of distant and unknown places have long stimulated the imaginations of both explorers and scientists. The atlas of photographs collected during the Hayden (1872) expedition to the Yellowstone region was essential to its successful advocacy and selection in 1872 as America's ӿrst national park. Photographer William Henry Jackson of the...

Grotzinger, John P.; Milliken, Ralph E.; Beyer, Ross; Stack, Kathryn M.; Griffes, Jennifer L.; Milliken, Ralph E.; Herkenhoff, Ken E.; Byrne, Shane; Holt, John W.; Grotzinger, John P.

Year Published: 2012

Note: Rotaphone, a new self-calibrated six-degree-of-freedom seismic sensor

We have developed and tested (calibration, linearity, and cross-axis errors) a new six-degree-of-freedom mechanical seismic sensor for collocated measurements of three translational and three rotational ground motion velocity components. The device consists of standard geophones arranged in parallel pairs to detect spatial gradients. The...

Brokešová, Johana; Málek, Jiří; Evans, John R.
Note: Rotaphone, a new self-calibrated six-degree-of-freedom seismic sensor; 2012; Article; Journal; Review of Scientific Instruments; Brokešová, Johana; Málek, Jiří; Evans, John R.

Year Published: 2012

Mars global digital dune database: MC-30

The Mars Global Digital Dune Database (MGD3) provides data and describes the methodology used in creating the global database of moderate- to large-size dune fields on Mars. The database is being released in a series of U.S. Geological Survey Open-File Reports. The first report (Hayward and others, 2007) included dune fields from lat 65° N. to...

Hayward, R.K.; Fenton, L.K.; Titus, T.N.; Colaprete, A.; Christensen, P.R.
Mars global digital dune database: MC-30; 2012; OFR; 2012-1259; Hayward, R. K.; Fenton, L. K.; Titus, T. N.; Colaprete, A. ; Christensen, P. R.

Year Published: 2012

Earthquake recurrence models fail when earthquakes fail to reset the stress field

Parkfield's regularly occurring M6 mainshocks, about every 25 years, have over two decades stoked seismologists' hopes to successfully predict an earthquake of significant size. However, with the longest known inter-event time of 38 years, the latest M6 in the series (28 Sep 2004) did not conform to any of the applied forecast models, questioning...

Tormann, Thessa; Wiemer, Stefan; Hardebeck, Jeanne L.
Earthquake recurrence models fail when earthquakes fail to reset the stress field; 2012; Article; Journal; Geophysical Research Letters; Tormann, Thessa ; Wiemer, Stefan ; Hardebeck, Jeanne L.

Year Published: 2012

Coseismic and postseismic stress rotations due to great subduction zone earthquakes

The three largest recent great subduction zone earthquakes (2011 M9.0 Tohoku, Japan; 2010 M8.8 Maule, Chile; and 2004 M9.2 Sumatra-Andaman) exhibit similar coseismic rotations of the principal stress axes. Prior to each mainshock, the maximum compressive stress axis was shallowly plunging, while immediately after the mainshock, both the maximum...

Hardebeck, Jeanne L.
Coseismic and postseismic stress rotations due to great subduction zone earthquakes; 2012; Article; Journal; Geophysical Research Letters; Hardebeck, Jeanne L.

Filter Total Items: 2,254
Aerial photo of vog
June 1, 2018

Kīlauea Volcano — Fissure 8 Lava Flow

Fissure 8 continues to feed lava into multiple flow lobes. One lobe is advancing through agricultural lands toward the northeast, as shown in this image taken from a helicopter overflight on June 1, 2018, at 6:21 AM.

June 1, 2018

Kīlauea Volcano — Caldera Changes (May 23 - 31)

This animated GIF shows a pair of radar amplitude images that were acquired by the Italian Space Agency's Cosmo-SkyMed satellite system. The images illustrate changes to the 

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June 1, 2018

USGS Status Update of Kīlauea Volcano - June 1, 2018

USGS Hawaiian Volcano Observatory
Status of Kīlauea Volcano
June 1, 2018 
Jessica Ball, USGS Volcanologist

View of fissure 8 fountaining
June 1, 2018

Kīlauea Volcano — Fissure 8

Viewed from the intersection of Nohea and Leilani Streets at 10:15AM HST on June 1, the Fissure 8 

...
May 31, 2018

Jersey Shore Field Work

Deployment of an Edgetech 512i subbottom profiler from the deck of Stockton University's R/V Petrel near Little Egg Inlet, NJ. The USGS Coastal and Marine Geology Program is working to characterize the sea floor and shallow substrate in nearshore waters, using high-resolution geophysical techniques, sediment sampling, and sea-floor photography and videography.
 

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May 31, 2018

Kīlauea Volcano — Halema‘uma‘u Crater Changes

A UAS mission on May 31, 2018, filmed details of the dramatic changes occurring within Halema‘uma‘u crater at Kīlauea's summit since explosive eruptions of 

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Pele's Hair
May 31, 2018

Pele's Hair

This long thin, strand of volcanic glass is called Pele's hair. Named for Pele, the Hawaiian goddess of fire, Pele's hair is formed from lava fountains and rapidly moving lava flows. This strand of Pele’s hair was found on Kupono Street in Leilani Estates, Hawaii, during the Kīlauea volcano eruption.

Sunrise looking photo but created by lava fountaining in the early morning.
May 31, 2018

Kīlauea Volcano — Early Morning Fissure 8 Activity

Crews make visual observations of activity at fissure

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Aerial photo of fissures
May 31, 2018

Kīlauea Volcano — Advancing Lobes from Fissure 8

Helicopter overflight shows advancing lobes from fissure 8 (fissure 8 is not pictured but located to the right, out of view). Advance rates were less than 100 yards per hour for the three lobes of the flow, as measured during the overnight hours. The flow moved north of Highway 132 in the vicinity of Noni Farms and Halekamahina roads, from which the two easternmost lobes

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Aerial photo of lava flows
May 31, 2018

Kīlauea Volcano — Fissure 18 Lava Flow

Lava from fissure 18 travels to the southeast (lower left of photo). The flow front that had approached

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Lava on a street
May 31, 2018

Kīlauea Volcano — Lava on Kahukai Street

Lava from fissure 8 advances on Kahukai Street. Lava in this area is as much as 3.5 yards in height.

Filter Total Items: 343
Date published: March 28, 2016

Hot Days Can Trigger Yosemite Rockfalls

After more than three years of monitoring the towering granite cliffs of Yosemite National Park, scientists have new insights into a potentially important mechanism that can trigger rockfalls in the park. Although many conditions can trigger rockfalls, some rockfalls are more likely to happen in the hottest part of the day, during the hottest part of the year.

Date published: March 24, 2016

First-Ever Maps to Show Induced and Natural Earthquake Hazards — Press Conference

On March 28, USGS scientists will release a report and the first-ever maps showing potential ground-shaking hazards from both human-induced and natural earthquakes. In the past, USGS maps only identified natural earthquake hazards.

Date published: March 22, 2016

Hotter Droughts, Forests and the Leaf to Landscape Project

California's hotter droughts are a preview of a warmer future world.

Date published: March 16, 2016

USGS Offers Earthquake Research Grants

The U.S. Geological Survey will award up to $7 million in grants for earthquake hazards research in 2017.

Date published: March 4, 2016

USGS Science for an El Niño Winter

El Niño is a phenomenon that occurs when unusually warm ocean water piles up along the equatorial west coast of South America. When this phenomenon develops, it affects weather patterns around the globe, including the winter weather along the west coast of North America. This unusual pattern of sea surface temperatures occurs in irregular cycles about three to seven years apart.

Date published: February 13, 2016

Magnitude 5.1 Earthquake in Oklahoma

A magnitude 5.1 earthquake struck in Oklahoma on February 13, 2016 at 11:07:06 am local time.

Date published: February 9, 2016

President’s 2017 Budget Proposes $1.2 Billion for the USGS

WASHINGTON—The President’s fiscal year (FY) 2017 budget request for the U.S. Geological Survey reflects the USGS's vital role in addressing some of the most pressing challenges of the 21st Century by advancing scientific discovery and innovation.

Date published: February 8, 2016

USGS Increases Public Access to Scientific Research

The U.S. Geological Survey is implementing new measures that will improve public access to USGS-funded science as detailed in its new public access plan.

Date published: February 1, 2016

EarthWord – Nuée Ardente

A nuée ardente is a turbulent, fast moving cloud of hot gas and ash erupted from a volcano. 

Date published: February 1, 2016

Global Earthquake Numbers on Par for 2015

Globally there were 14,588 earthquakes of magnitude 4.0 or greater in 2015. This worldwide number is on par with prior year averages of about 40 earthquakes per day of magnitude 4.0, or about 14,500 annually. The 2015 number may change slightly as the final results are completed by seismic analysts at the NEIC in Golden, Colorado.

Date published: January 7, 2016

Getting Down to Earth with Space Hazards

Magnetic storms can interfere with the operation of electric power grids and damage grid infrastructure. They can also disrupt directional drilling for oil and gas, radio communications, communication satellites and GPS systems.

Date published: January 5, 2016

Reflecting on 2015 Natural Hazards

Reflecting on the natural hazards of 2015 serves as a reminder of the dangers we face and the need for preparedness to save lives and property.

Attribution: Natural Hazards