Best Usgs Apps

USGS WaterFlow

by Thundergrouse LLC

Free

Access real-time water flow data from USGS streamgauges nationwide. View current flow rates, gauge height, water temperature, and NOAA forecasts. Set custom alerts for flow thresholds and monitor favorite locations with home screen widgets.

National Park Service

The official app of 420+ parks

Free

Explore over 420 national parks with interactive maps, self-guided tours, and essential on-the-ground information. Plan your visit with details on amenities, operating hours, and fees. Download park content for offline use, ensuring access even without internet service.

Topo Maps US

by DC Cloud Apps, LLC

Free

Access and download detailed topographic maps of the United States for offline use. Track your location, mark waypoints, and record your routes for outdoor activities. Navigate with direction arrows and measure distances on the map.

QuakeFeed Earthquake Alerts

Earthquakes Tracker Maps News

Free

Track earthquakes worldwide with real-time alerts, customizable notifications, and detailed map layers. Access multiple data sources and view historical data. Premium features include wildfire and smoke tracking, volcano and hurricane alerts, and enhanced map options.

MyShake Earthquake Alerts

Earthquake Warning California

Free

Get timely earthquake early warnings for California, Oregon, and Washington. Access safety tips, explore global earthquake data on a map, and contribute to a citizen-science seismic network. Receive notifications for earthquakes based on your region and magnitude preferences.

Rivercast: River Levels USA

NOAA Forecasts & Flood Alerts

Free

Monitor river levels, flow rates, and flood warnings with real-time data and forecasts. Get custom alerts for your favorite waterways and visualize trends with interactive graphs. Essential for anyone living, working, or recreating near water.

Instant USGS Earthquake Pro

by Jufen Chang

$1.99

Get real-time earthquake alerts and NOAA radar imagery. Visualize seismic activity and weather patterns on interactive maps, with customizable color-coded severity levels and 3D viewing options.

Orbital: Earth Monitor

Global Natural Event Monitor

Free

Monitor global natural events in real-time with data from trusted scientific agencies. Track earthquakes, wildfires, storms, and more on an interactive map with detailed information and alerts.

Gaia GPS: Mobile Trail Maps

Hiking, Overlanding, Camping

Free

Discover trails, campsites, and routes with detailed topographic maps and GPS navigation. Plan your adventures with offline maps, weather updates, and distance tracking. Explore hiking, off-roading, camping, and skiing with this comprehensive outdoor companion.

Earthquake - alerts and map

worldwide data and alerts

Free

Stay informed about seismic activity with real-time global earthquake data and customizable push notifications. Visualize events on an interactive map, access a historical catalog, and contribute to community reports. Includes tsunami bulletins and detailed event information.

NGS Benchmark Hunter

by Vincent Star

Free

Discover and locate National Geodetic Survey markers across the United States with this app. It displays hundreds of thousands of reference points on an interactive map, color-coded by difficulty. Log your finds, view official data, and explore benchmarks nationwide.

Volcano Updates

Volcano News and Reports

Free

Stay informed about volcanic activity with daily news and reports from multiple sources, including USGS and GeoNet. Get alert levels, aviation color codes, and detailed information on active volcanoes worldwide.

Earthquake M4.5+

Quakes & Nearby Nuclear Plants

Free

Track global seismic activity with a live map and detailed lists. Get customizable alerts for earthquakes and view nearby nuclear power plants. Access official USGS data for informed awareness.

Sismologia

Real-time quakes & magnitude

Free

Stay informed about seismic activity with real-time earthquake reports from multiple global agencies. Receive instant notifications for quakes near you and utilize family alerts to check on loved ones after an event. Explore an interactive map and community comments to understand seismic impacts.