Seismica: Earthquake Map
ObjectGraph LLC · Navigation
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Chart standing · US
What changed · US
Listing changes AppTracker has observed for this app in this storefront — new versions, price moves, rating shifts, and store copy.
• Search using the current map area, a place name, or a center and radius. • Save events and named searches with frozen records you can reopen offline. • Export CSV and GeoJSON with source and retrieval details, and import Seismica GeoJSON studies. • Inspect native event details with magnitude types, UTC time, review status and available intensity data. • More reliable date-range searches, visible refresh errors and clear result limits. • Map preferences and zoom are preserved, and revised catalog records update on the map.
In-app purchases · US
No in-app purchases.
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About
Explore earthquakes. Keep the evidence. Seismica brings the USGS earthquake catalog to iPhone, iPad and Mac. Find events in a region, inspect their details, and save a study you can return to later. SEARCH THE AREA THAT MATTERS Browse a world map with earthquake markers and active fault lines. Search for a place, use the map's current view, or choose a center and radius. Filter by magnitude, explore the past day, week or 30 days, or select a historical date range. UNDERSTAND EACH EVENT See the reported magnitude and its scale, depth, coordinates, origin time and review status. Compare local time with UTC and check when the catalog record was updated. Read available shaking-intensity information, then open the full USGS report inside the app. SAVE A STUDY Save an event or a named search with a frozen copy of its records. Reopen saved records offline or explicitly run the search again for current information. Your original saved study remains intact. EXPORT WITH CONTEXT Export events as CSV for a spreadsheet, or export a GeoJSON study containing records, search criteria, source and retrieval time. Import a Seismica GeoJSON study on another device to revisit the same observations. KNOW WHAT YOU ARE SEEING The catalog shows its source, retrieval time and search window. A search returns up to 1,000 newest matching events and clearly labels a limited response. Refresh failures keep the previous results available. Unknown measurements remain unknown. EXPLORE AT YOUR PACE Sort by time or magnitude, step through events with the timeline player, and choose your map style and fault-line appearance. The map and list work together on iPad and Mac, with a compact map-focused layout on iPhone. Free. No ads, subscription or account required. Saved studies are stored on your device; export and share them when you choose. Catalog requests go to USGS, and maps and place search use Apple services. Internet access is needed for fresh data, maps and source reports. Seismica displays published earthquake information. It does not predict earthquakes or provide emergency warnings. Catalog coverage and scientific measurements vary by event; fault lines do not indicate personal risk.
What's new · 1.2
• Search using the current map area, a place name, or a center and radius. • Save events and named searches with frozen records you can reopen offline. • Export CSV and GeoJSON with source and retrieval details, and import Seismica GeoJSON studies. • Inspect native event details with magnitude types, UTC time, review status and available intensity data. • More reliable date-range searches, visible refresh errors and clear result limits. • Map preferences and zoom are preserved, and revised catalog records update on the map.
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