USGS — Earthquake explorer

Maps & TravelSee it liveearthquake.usgs.gov

A ranked earthquake list stays beside a map of event points and fault lines.

USGS — Earthquake explorer — captured interface — Viewport capture · opening screen

Source capture · 2026-09-08Open full image ↗

Why this pattern works

Pair a sortable event list with a persistent map so location and event details remain connected.

Design notes

Surface: USGS — Earthquake explorer
Navigation: Small top-right controls change map and list views or open settings.
Layout: A narrow event list shares the viewport with a large geographic canvas.
Density: Dense event metadata beside a comparatively uncluttered map.
Color: Light gray land, white water, red fault lines, and warm event markers.
Type: Small sans-serif labels keep tools and content visually separate.
Pattern: Pair a sortable event list with a persistent map so location and event details remain connected.
States: This capture records the visible state only. Loading, error, and later workflow states were not verified.
Don't: Adapt the interface pattern with original content, branding, and data; do not infer behavior from a still image.

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# My project
[Describe the product, audience, and screen you want to improve]

Stack: Use the existing project stack
Task: Implement the interface and verify the result in the existing project.

## Tool guidance (Any AI tool)
Use available project tools to inspect, implement, and test. State any unavailable capabilities.

# Design reference: USGS — Earthquake explorer
Source: https://earthquake.usgs.gov/earthquakes/map/?extent=4.30259,-144.22852&extent=61.73153,-45.79102
Swipefile reference: https://swipefile.design/ref/ui-usgs/
Captured: 2026-09-08. This is a dated reference, not a claim about the current live product.
Capture scope: one viewport. Do not infer unseen page sections or a complete user flow.

## Objective
Adapt the interaction and layout patterns below to my project. Use my own content and identity. Do not reproduce logos, proprietary copy, or brand assets.

## Reference notes
- surface: USGS — Earthquake explorer
- nav: Small top-right controls change map and list views or open settings.
- layout: A narrow event list shares the viewport with a large geographic canvas.
- density: Dense event metadata beside a comparatively uncluttered map.
- color: Light gray land, white water, red fault lines, and warm event markers.
- typography: Small sans-serif labels keep tools and content visually separate.
- pattern: Pair a sortable event list with a persistent map so location and event details remain connected.
- states: This capture records the visible state only. Loading, error, and later workflow states were not verified.
- dont: Adapt the interface pattern with original content, branding, and data; do not infer behavior from a still image.

Useful for: Pair a sortable event list with a persistent map so location and event details remain connected.

## Acceptance criteria
- Existing project conventions, design tokens, working functionality, and unrelated changes are preserved.
- Two or three reference principles clearly support the user's task; conflicts are resolved in favor of usability and the existing product.
- Reusable components and semantic HTML express the interface. Available licensed assets are used; important UI text is never rendered as a bitmap.
- Every visible control has a defined behavior. Loading, empty, error, success, disabled, and long-content states are specified where relevant. Demo data is clearly labeled.
- Navigation and content adapt at 375px, 768px, and 1440px without horizontal page overflow. Keyboard use, visible focus, labeled inputs, at least 44px touch targets, readable contrast, and reduced motion are supported.
- Verification distinguishes rendered behavior from proposals and identifies anything still requiring a backend or external service.

## Quality bar
Clear hierarchy, consistent spacing, restrained surfaces, and purposeful motion. Avoid decorative gradients, excessive cards, placeholder buttons, and invented metrics unless the project calls for them. Do not claim a feature is connected or tested without evidence.

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## Objective
Adapt the interaction and layout patterns below to my project. Use my own content and identity. Do not reproduce logos, proprietary copy, or brand assets.

Useful for: Pair a sortable event list with a persistent map so location and event details remain connected.

USGS — Earthquake explorer

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