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Southwest Region news.

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How Wildfires Threaten Water Supplies By Unleashing Sediment

How Wildfires Threaten Water Supplies By Unleashing Sediment

In the year after the Carr Fire in northern California, USGS researchers found that greater-than-average precipitation moved large sediment loads...

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Queen Charlotte Fault Mapping

Queen Charlotte Fault Mapping

The Queen Charlotte Fault is an active strike-slip boundary, similar to California’s San Andreas fault.

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A Legacy Continues with Landsat 9 Launch

A Legacy Continues with Landsat 9 Launch

Landsat 9 is a partnership between NASA and USGS. The satellite will continue the Landsat program’s mission to capture repeat snapshots of Earth to...

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Helicopter Making Low-Level Flights over North-Central Idaho

Helicopter Making Low-Level Flights over North-Central Idaho

Residents and visitors should not be alarmed to see a low-flying helicopter over Lemhi and Custer Counties west of Salmon, Idaho from September 6 to...

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Nevada Becomes 39th State to Create Multi-Agency Cooperative Research Unit

Nevada Becomes 39th State to Create Multi-Agency Cooperative Research Unit

The newly formed Nevada Cooperative Fish and Wildlife Research Unit brings state and federal wildlife-management resources together, providing for a...

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A Whole New (Fiery) World

A Whole New (Fiery) World

As a wildfire approached Tonto National Monument in Arizona, archaeologists and firefighters rushed to cover the park’s 700-year-old cliff dwellings...

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Increased Pumping in California’s Central Valley During Drought Worsens Groundwater Quality

Increased Pumping in California’s Central Valley During Drought Worsens Groundwater Quality

SACRAMENTO, Calif. – Intensive pumping of aquifers during drought can speed up deterioration of groundwater quality, according to a new study by the U...

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How Rising Seas Push Coastal Systems Beyond Tipping Points

How Rising Seas Push Coastal Systems Beyond Tipping Points

A new multidisciplinary case study from USGS and collaborators looks at how even modest sea-level rise threatens coastal communities, infrastructure...

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Magnitude 6.0 Earthquake in California

Magnitude 6.0 Earthquake in California

A magnitude 6.0 (M6.0) earthquake struck Little Antelope Valley, California near the Nevada border on July 8, 2021 at 3:49pm local time (July 8 at 22...

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A Fixed Smartphone Network Offers Inexpensive Earthquake Early Warning Potential

A Fixed Smartphone Network Offers Inexpensive Earthquake Early Warning Potential

A new study led by USGS and Costa Rican researchers demonstrates how Earthquake Early Warning using smartphone technology can be both inexpensive and...

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Media Advisory: Where Earthquakes Hide in the Desert - Live Online Public Lecture

Media Advisory: Where Earthquakes Hide in the Desert - Live Online Public Lecture

You are invited to a public lecture about recent surface rupturing earthquakes in the western United States.

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Christina Neal to Lead USGS Volcano Science Center

Christina Neal to Lead USGS Volcano Science Center

ANCHORAGE, Alaska — On May 9, 2021, Christina (Tina) Neal became the new director of the U.S. Geological Survey Volcano Science Center, home of the...

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