Media Advisory: Briefing on Groundwater

USGS will brief Congress, the media and the public on why groundwater is a critical resource for the Nation, and how USGS is working with partners to assess, monitor and quantify the availability and sustainability of the Nation’s groundwater resources.

Why:	Groundwater is the source of drinking water for nearly 50% of the U.S. population. Increased use of groundwater resources for domestic, agricultural, industrial, and environmental needs has led to uncertainty concerning the ability of systems to meet current and future demands.
Who:	Bill Cunningham, Acting Chief, Office of Groundwater, U.S. Geological Survey Kevin Rein, Deputy State Engineer, Colorado Division of Water Resources Robert Schreiber, Vice President at CDM Smith, representing American Society of Civil Engineers Christine Reimer (emcee), Government Affairs Director, National Ground Water Association
Where:	1334 Longworth House Office Building, Washington, D.C.
When:	Friday, July 27, 2012, 10:00 a.m.
Sponsors:	Rep. Doug Lamborn, R-Colo. Rep. Betty McCollum, D-Minn

A repeat of this briefing will be held at 2 p.m. in Dirksen 366. Both briefings are free and open to the public. No RSVP required. Morning refreshments will be provided courtesy of National Ground Water Association.

Please visit the USGS Congressional Briefing Series website for more information.

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Parameter	Value	Description
Magnitude	mb	The magnitude for the event.
Longitude	° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	km	Depth of the event in kilometers.
Place		Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	1970-01-01 00:00:00	Time when the event occurred. UTC/GMT
Updated	1970-01-01 00:00:00	Time when the event was most recently updated. UTC/GMT
Timezone offset		Timezone offset from UTC in minutes at the event epicenter.
Felt		The total number of felt reports
CDI		The maximum reported intensity for the event.
MMI		The maximum estimated instrumental intensity for the event.
Alert Level		The alert level from the PAGER earthquake impact scale. Green, Yellow, Orange or Red.
Review Status		Indicates whether the event has been reviewed by a human.
Tsunami		This flag is set to "1" for large events in oceanic regions and "0" otherwise. The existence or value of this flag does not indicate if a tsunami actually did or will exist.
SIG		A number describing how significant the event is. Larger numbers indicate a more significant event.
Network		The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources		A comma-separated list of network contributors.
Number of Stations Used		The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance		Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap		The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type		The method or algorithm used to calculate the preferred magnitude for the event.
Event Type		Type of seismic event.
Event ID		Id of event.
Event Code		An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS		A comma-separated list of event ids that are associated to an event.

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Media Advisory: Briefing on Groundwater

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