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Filter Total Items: 360
USGS science for a changing world logo
Date Published: March 9, 2016
Status: Active

Geology, Minerals, Energy, and Geophysics (GMEG) Science Center

Scientists at the GMEG Science Center work on issues related to geologic processes and mineral and energy resource potential, primarily in the western United States. The science staff includes geologists, geophysicists, geochemists, biologists, geospatial information specialists, and remote sensing specialists who are located in offices in several western states.

Attribution: Southwest
USGS science for a changing world logo
Date Published: March 9, 2016

Pacific Island Ecosystems Research Center

We work with others to provide scientific understanding and technologies needed to support and implement sound management and conservation of our Nation's biological resources in Hawaii and other Pacific island locations.

USGS science for a changing world logo
Date Published: March 9, 2016

Pacific Islands Water Science Center

This center is one of 48 Water Science Centers in the USGS, and its mission is to collect, analyze and disseminate the impartial hydrologic data and information needed to wisely manage water resources for the people of the United States, the State of Hawaii, and other Pacific Islands.

USGS science for a changing world logo
Date Published: March 9, 2016

Salton Sea Science Office

USGS Salton Sea Science Office works closely with Federal, State, local, nongovernmental, and tribal partners, providing information for management actions. This USGS office has a unique charter to serve as an independent liaison between resource managers and the scientific community. In that capacity the the office provides scientific information and evaluations to decision makers who are...

Attribution: Southwest
USGS science for a changing world logo
Date Published: March 9, 2016
Status: Active

Western Geographic Science Center (WGSC)

WGSC scientists conduct geographic research on the environmental and societal consequences of a changing landscape. We develop tools and models to help decision makers better understand complex scientific information so that alternative options/scenarios can be assessed.

Attribution: Southwest
USGS science for a changing world logo
Date Published: March 9, 2016
Status: Active

Western Ecological Research Center

The Pacific Region contains a dazzling array of habitats from below-sea-level deserts to alpine tundra to coastal mountains, seashores, and marine ecosystems. The Western Ecological Research Center reflects the qualities of this region with equally diverse expertise. Our scientists are trained in research, monitoring, and technology development to basic biology and modeling.

Attribution: Southwest
Get your science used Circular
Date Published: March 3, 2016

"Get your science used--Six guidelines to improve your products"

This USGS Circular addresses the challenges natural scientists face when communicating their science to people outside their fields and, based on the expertise of social scientists and other risk communicators, provides guidelines to those seeking to improve their products.

Image of the contents of a repeat photo stake folder.
Date Published: March 3, 2016
Status: Completed

Developing a USGS Legacy Data Inventory to Preserve and Release Historical USGS Data

Legacy data (n) - Information stored in an old or obsolete format or computer system that is, therefore, difficult to access or process. (Business Dictionary, 2016) For over 135 years, the U.S. Geological Survey has collected diverse information about the natural world and how it interacts with society. Much of this legacy information is one-of-a-kind and in danger of being lost forever...

California Volcano Observatory emblem
Date Published: March 2, 2016

USGS California Volcano Observatory (CalVO)

CalVO operates real-time volcano monitoring networks, disseminates forecasts and notifications of significant activity, assesses volcano hazards, researches volcano processes, and works with communities to prepare for volcanic eruptions in California and Nevada. The Observatory is located at USGS offices in Menlo Park, California.

The general study area
Date Published: December 23, 2015
Status: Active

Estimating Natural Flows for Hydrologic Reference Streams

Scientists develop metrics of expected hydrological conditions at ungaged sites throughout Callifornia 

Temporary seismometer array in New York City to record ambient noise.
Date Published: May 1, 2015
Status: Completed

Seismology in the City

Release Date: May 1, 2015

How seismologists can use noise to see under the ground.

Contacts: William J Stephenson, Lisa A Wald, Steve Hartzell, Morgan Moschetti, Jack Odum, Robert Williams, David Worley
Filter Total Items: 1,144
man walking along wet sand on beach wearing a backpack with an antenna sticking pout of it
January 31, 2017

Mapping the beach with a GPS-equipped backpack unit.

USGS scientist Daniel Hoover mapping the beach at Santa Cruz with a GPS-equipped backpack unit.

two young men standing on a pier with a large tripod, looking down at camera, and holding equipment.
January 31, 2017

Setting up a lidar scanner to map the beach.

 USGS scientists setting up a lidar scanner on the pier to map the beach near Capitola, California.

January 31, 2017

Hatching an Engineer

What does it take to become an ocean engineer? Here is the path that USGS Gerry Hatcher took.
 

USGS scientist standing with a pole annotated with land-surface elevation marks at given years at bench mark W 990.
January 31, 2017

Land Subsidence near El Nido, CA

National Geodetic Survey vertical control bench mark W990 CADWR in Merced County, California. W 990 CADWR is on the Mariposa Bypass Bridge on Washington Rd. This is one of several bench mark locations used to help measure the largest recent subsidence in the area using repeat surveys. The exact maximum subsidence location is unknown; however, this bench mark has some of

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USGS scientist standing with a pole annotated with land-surface elevation marks at given years at bench mark H 1235 RESET.
January 31, 2017

Land Subsidence near El Nido, CA

National Geodetic Survey vertical control bench mark H1235 RESET in Merced County, California. H 1235 RESET is in the median of State Highway 15. This is one of several bench mark locations used to help measure the largest recent subsidence in the area using repeat surveys. The exact maximum subsidence location is unknown; however, this bench mark has some of the larger

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Satellite image showing the flooding in California.
January 30, 2017

January Rain, Snow Refills California Reservoirs

A decade of drought in California has eased after the first month of 2017 thanks to heavy rains and snow, a fact that Landsat images are helping to confirm.

January 26, 2017

PubTalk 1/2017 — Unusual sources of tsunamis

A presentation on "Unusual Sources of Tsunamis From Krakatoa to Monterey Bay" by Eric Geist, USGS Research Geophysicist

- Not all tsunamis are generated by earthquakes.
- Tsunamis can be caused by volcanoes, landslides, and even atmospheric disturbances
- Data from tide gauges can help unravel the complex physics of these sources

Videographers:

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January 20, 2017

Post-wildfire debris flow: 2016 Fish Fire, Las Lomas Canyon

The June 2016 Fish Fire burned over 12 km^2 in Los Angeles County, California. After the fire, the USGS installed an automated rain-triggered camera to monitor post-wildfire flooding and debris flow in a small canyon above the Las Lomas debris basin in Duarte. This video shows the peak flow triggered by an intense rainstorm on January 20, 2017.
 

Invasive Aquatic Vegetation
January 16, 2017

Invasive water primrose

Invasive water primrose (Ludwigia species) and water hyacinth (Eichhornia crassipes) line the marsh edge in Mandeville Cut near the Port of Stockton, California’s third largest port.  Invasive aquatic vegetation – dominated by Brazilian waterweed, water hyacinth, and water primrose – has increased exponentially in recent years, clogging about 17,400

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delta waters with a significant amount of floating vegetation
January 16, 2017

Invasive Aquatic Vegetation, Sacramento-San Joaquin Delta

Invasive aquatic vegetation chokes Lindsey Slough, creating a potentially challenging environment for fish and other aquatic life. The slough is the site of a 2014 restoration project in the Sacramento-San Joaquin Delta to improve freshwater tidal marsh and spawning habitat for Delta smelt and other fish.

a woman pulls vegetation out of the water with a rake
January 16, 2017

Invasive Brazilian Waterweed, Sacramento-San Joaquin Delta

Landscape ecologist Shruti Khanna uses a threshing rake to collect Brazilian waterweed (Egeria densa) in the Delta. The USGS is conducting research to measure the impact of invasive aquatic vegetation on sediment transport, turbidity, and marsh accretion rates in Delta. 

Photographic panorama showing the San Lorenzo river flowing wide and muddy into the ocean, past the Santa Cruz Beach Boardwalk.
January 8, 2017

Atmospheric River Fills California Rivers with Water and Sediment

An atmospheric river, or narrow band of moisture moving from the tropics to the higher latitudes, hit California in early January and brought the first heavy rains of 2017. While these storms help a drought-stricken state, the onslaught of rain triggers floods and mudslides, and fills rising rivers with sediment and debris. Here the San Lorenzo River flows full and muddy

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Filter Total Items: 906
USGS
October 19, 2012

FLAGSTAFF, Ariz. — Experts in volcano hazards and public safety have started a conversation about volcanoes in the southwestern United States, and how best to prepare for future activity. Prior to this meeting, emergency response planning for volcanic unrest in the region had received little attention by federal or state agencies.

USGS
October 12, 2012

MENLO PARK, Calif. — U.S. Geological Survey volcanologists and geophysicists plan to conduct the first comprehensive, high-resolution airborne magnetic survey of the rock layers under Mono Basin and Long Valley, on the east side of the Sierra Nevada in Calif. next week.

Screenshot Location of Long Valley caldera
October 12, 2012

In mid-October, U.S. Geological Survey volcanologists and geophysicists plan to conduct the first comprehensive, high-resolution airborne magnetic survey of the rock layers under Mono Basin and Long Valley, on the east side of the California Sierra Nevada mountains.

Lassen Volcanic National Park, California. Northeast side of Lassen Peak, showing the area devastated by mudflows and a lateral
October 12, 2012

A hazards assessment for Lassen Volcanic Center, California, is now available for download from the USGS Publications Warehouse.

USGS
October 9, 2012

PORTLAND, Ore. — The United States Geological Survey, in cooperation with several Klamath Basin stakeholders, has developed hydrologic datasets for the upper Klamath Basin of south-central Oregon that can help water managers identify and prioritize water uses that could be voluntarily set aside and reallocated to yield an additional 30,000 acre feet of water to Upper Klamath Lake.

USGS
September 25, 2012

MENLO PARK, Calif. — During the last week of September, Sea Otter Awareness Week focuses public attention on sea otters, while serving to promote various conservation programs and research activities.

USGS
September 18, 2012

SAN DIEGO, Calif. — Solvents and other constituents - arsenic, uranium, and nitrate - were detected at high concentrations in up to four percent of untreated groundwater used for public water supply in the coastal region of Los Angeles and Orange Counties.

USGS
September 10, 2012

MENLO PARK, Calif. — The California Geological Survey is giving away free maps in preparation for the move of their Maps and Publications Sales office at the end of the month. Spurred by a U.S. Geological Survey initiative to reduce rent costs and the total amount of federal space occupied, CGS will move their map store to the second floor of the same building they currently occupy.

USGS
August 29, 2012

SAN DIEGO, Calif. — Benzene occurs infrequently in California public supply wells and comes predominantly from naturally occurring petroleum deposits deep in the ground, according to a study by the U.S. Geological Survey. Spills associated with underground fuel storage and above ground distribution systems have long been considered the main source of benzene in groundwater.

USGS
August 27, 2012

SACRAMENTO, Calif. — The U.S. Geological Survey has released updated flood frequency estimates for select rural "natural flow" California streams throughout the state. The estimates are based on greatly expanded data and documented in three reports available online. These reports from the USGS and its partners represent an important resource for emergency officials, water

Salton Sea sunset
August 27, 2012

An energetic earthquake swarm (largest event magnitude 5.5) is ongoing in the Brawley Seismic Zone south of the Salton Sea in Southern California.

USGS
August 21, 2012

SANTA CRUZ, Calif. — The southern sea otter population continues its pattern of tepid recovery, according to the latest population survey led by U.S. Geological Survey, California Department of Fish and Game Office of Spill Prevention and Response and Monterey Bay Aquarium scientists.