Best Usgs Apps

250+ iOS apps curated and reviewed

4.4 avg rating
17 free apps
Updated August 2026

The best usgs apps on iPhone average 4.4★ across 250+ titles — we've ranked them by what real users actually keep on their phones. Updated August 2026.

Compare top Usgs Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1My Earthquake Alerts & FeedMy Earthquake Alerts & FeedFree4.8★ (139K)YesNoAug 2026
2National Park ServiceNational Park ServiceFree4.9★ (124K)NoNoAug 2026
3Instant USGS Earthquake LiteInstant USGS Earthquake LiteFree3.4★ (11)NoNoAug 2026
4QuakeFeed Earthquake AlertsQuakeFeed Earthquake AlertsFree4.8★ (100K)NoYesAug 2026
5Topo Maps USTopo Maps USFree4.4★ (206)NoNoAug 2026
6Rivercast: River Levels USARivercast: River Levels USAFree4.7★ (11K)YesYesAug 2026
7Earthquake - alerts and mapEarthquake - alerts and mapFree4.7★ (50K)NoYesAug 2026
8MyShake Earthquake AlertsMyShake Earthquake AlertsFree3.3★ (1.9K)NoNoAug 2026

Top Picks for Usgs

My Earthquake Alerts & Feed#1

My Earthquake Alerts & Feed by JRustonApps B.V.

US & Worldwide Earthquakes Map
Editor's Choice
☀️ Weather
4.8😊(139K ratings)
FreeAds
#7in Weather
My Earthquake Alerts & Feed screenshot 1
My Earthquake Alerts & Feed screenshot 2
My Earthquake Alerts & Feed screenshot 3
My Earthquake Alerts & Feed screenshot 4

Stay informed about seismic activity with real-time earthquake alerts and a comprehensive global map. Track quakes, receive instant notifications, and search historical data. This free, ad-supported application provides detailed information on location, depth, and distance.

What We Love

  • 🚀 Real-time earthquake alerts
  • 📍 Detailed earthquake information
  • ⚙️ Customizable notification settings
  • 🗺️ Intuitive map interface

Room to Improve

  • 🐛 Missed earthquake notifications
  • 🔍 Inaccurate or delayed earthquake data
  • 🔌 High battery consumption
National Park Service#2

National Park Service by National Park Service

The official app of 420+ parks
Strong Contender
✈️ Travel
4.9😊(124K ratings)
Free
#89in Travel
National Park Service screenshot 1
National Park Service screenshot 2
National Park Service screenshot 3
National Park Service screenshot 4
National Park Service screenshot 5
National Park Service screenshot 6

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.

What We Love

  • 👍 Helpful information on national parks
  • 🚀 Useful offline features
  • 💡 Ability to create lists of visited/to-visit parks
  • 🗺️ Interactive maps and GPS guidance

Room to Improve

  • 🐛 Downloading issues and app crashes
  • 🔍 Difficulty finding specific information or navigating the app
  • 🗺️ Inconsistent or incomplete map and trail data
Instant USGS Earthquake Lite#3

Instant USGS Earthquake Lite by Jufen Chang

Worth Considering
🔧 Utilities
3.4(11 ratings)
Free
Instant USGS Earthquake Lite screenshot 1
Instant USGS Earthquake Lite screenshot 2
Instant USGS Earthquake Lite screenshot 3
Instant USGS Earthquake Lite screenshot 4
Instant USGS Earthquake Lite screenshot 5
Instant USGS Earthquake Lite screenshot 6

This app provides real-time earthquake alerts and NOAA radar imagery. It displays earthquake information with color-coded severity and allows users to view alerts on a map with various viewing options. The app also offers a 3D view for alerts and integrates with Apple Watch.

More Usgs apps to explore

4
QuakeFeed Earthquake Alerts
QuakeFeed Earthquake Alerts
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.

Worldwide earthquake mapReal-time alertsCustomizable regional alerts
☀️ Weather
(100K)
freemium
5
Topo Maps US
Topo Maps US
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.

Download US topographic mapsOffline map viewingGPS location tracking
🗺️ Navigation
(206)
paid
6
Rivercast: River Levels USA
Rivercast: River Levels USA
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.

Official flood warnings and alertsRiver stage height and flow rateColor-coded river status indicators
☀️ Weather
(11K)
free with in-app purchases
7
Earthquake - alerts and map
Earthquake - alerts and map
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.

Real-time global earthquake dataCustomizable push notificationsInteractive earthquake map
☀️ Weather
(50K)
free with in-app purchases
8
MyShake Earthquake Alerts
MyShake Earthquake Alerts
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.

Earthquake Early WarningsEarthquake Safety TipsGlobal Earthquake Map
☀️ Weather
(1.9K)
free
9
Orbital: Earth Monitor
Orbital: Earth Monitor
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.

Live satellite map with event markersReal-time monitoring of natural disastersData from 10+ verified scientific sources
☀️ Weather
(2)
free
10
NGS Benchmark Hunter
NGS Benchmark Hunter
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.

Interactive map of survey markersColor-coded difficulty markersOfficial NGS datasheets and history
🗺️ Navigation
(3)
free
11
Epicenter - Earthquake Map
Epicenter - Earthquake Map
Epicenter - Earthquake Map
Track Global Seismic Activity
Free

Explore global earthquake activity from the past 30 days on an interactive globe. View detailed information, animate seismic events over time, and customize map displays. Includes companion apps for Apple Watch and a Today Widget for quick access to recent data.

30 days of global earthquake dataInteractive rotatable and zoomable globeEarthquake details (magnitude, depth, source)
☀️ Weather
(37)
paid
12
ArcGIS Survey123 Mobile
ArcGIS Survey123 Mobile
ArcGIS Survey123 Mobile
by ESRI
Free
📊 Productivity
(0)
13
Gaia GPS: Mobile Trail Maps
Gaia GPS: Mobile Trail Maps
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.

Topographic mapsGPS navigationOffline maps
🗺️ Navigation
(32K)
free with in-app purchases
14
River Levels & Flows
River Levels & Flows
River Levels & Flows
USGS River Levels & Flows
$2.99

Access real-time USGS and AHPS river level and flow data. Receive push notifications for flood status and view weather prediction charts for significant river flood outlooks and precipitation forecasts.

USGS/AHPS river levels and flowsFlood status push notificationsWeather Prediction Center charts
☀️ Weather
(2.6K)
free
15
Offline Topo Maps & Trails
Offline Topo Maps & Trails
Offline Topo Maps & Trails
Hiking Running Cycling Skiing
$2.99
🗺️ Navigation
(0)
16
Earthquake M4.5+
Earthquake M4.5+
Earthquake M4.5+
Live Earthquake Alerts & Maps
Free

Visualize recent earthquakes worldwide on an interactive map. Identify epicenters, your current location, and nearby nuclear power plants. Filter by magnitude 4.5+ and view data updated at frequent intervals.

Interactive earthquake mapNuclear power plant locationsMagnitude 4.5+ filter
☀️ Weather
(1)
free
17
Esri Arcgis Online Open Data
Esri Arcgis Online Open Data
Esri Arcgis Online Open Data
Esri Arcgis Open Data Viewer
Free
🌟 Lifestyle
(0)
18
Instant USGS Earthquake Pro
Instant USGS Earthquake Pro
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.

Real-time earthquake alertsColor-coded severity levelsNOAA radar imagery
🔧 Utilities
(2)
paid
19
NRDS Mobile Mapping V2
NRDS Mobile Mapping V2
NRDS Mobile Mapping V2
Mapping & Data Collection
Free
🗺️ Navigation
(0)
20
Place: Explore the Outdoors
Place: Explore the Outdoors
Place: Explore the Outdoors
Field Guide to Any Location
Free
🔍 Reference
(0)

FAQ about Usgs

What are the best usgs apps for iPhone?
My Earthquake Alerts & Feed tops our usgs apps ranking as of August 2026, with a 4.8-star average from 139K App Store ratings, and it's free to download.
Yes — 17 of the top usgs apps we rank are free to download, including My Earthquake Alerts & Feed and National Park Service.
My Earthquake Alerts & Feed shows ads and has no in-app purchases, according to its App Store listing as of August 2026.
We track 250+ usgs apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
This app provides real-time information about earthquakes happening around the world. It features a live map to visualize seismic activity, offers customizable push notifications for new earthquakes, and allows users to search historical earthquake data dating back to 1970.
Key features include a live earthquake map, free and customizable earthquake alerts, a powerful search function for historical data, detailed information on quake location, depth, and distance, and a simple, user-friendly design. It also aggregates data from various earthquake networks like USGS and EMSC.

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