Metis Weather Feeds

Instantaneous values

US & territories. Follows the visible map by default.

Refresh (sec)

Site type

Active sites only

Updated every minute.

Magnitude Time period

~1,470 worldwide; USGS alert status where monitored.

Show

Global search by magnitude and time.

Min magnitude Past days

Thinned to ~800 points by default for map smoothness.

Lookback (days)

VIIRS passes a few times/day — raise this to avoid missing fires. Max 5.

Show all detections Turns off other point layers for smoothness — satellite/imagery stay on

Layer opacity 85%

Frames use the current map view — pan/zoom to frame it first.

Imagery source

From

Step (days) Borders/place names Fill no-data gaps Re-fetches only the empty parts from the next-best source.

Coverage

Visible map area only; pan/zoom then refresh.

Hazard feeds always load worldwide.

GeoJSON FeatureCollection export.