Anthony Ellis

The ground under Las Vegas

Every earthquake the USGS recorded anywhere in the last 24 hours, plotted by how far it was from here and which way. Refreshed every five minutes.

Connecting
Recorded worldwide
Largest
M
Closest to here
km
Most recent

Distance and bearing from Las Vegas

Rings every 200 km out to 800. Dot size is magnitude, brightness is how recently it happened. There is no map underneath because a map would be a decoration — what matters here is how far away it was.

Magnitude over the last 24 hours

Everything the network recorded, worldwide. The floor is detection sensitivity rather than geology: small quakes only appear where instruments are dense.

Nearest five

Closest to Las Vegas in the last 24 hours, whatever their size.

MagDistanceWhere
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Anything to worry about?

Working it out…

Where this comes from. The USGS earthquake feed, fetched by your browser directly, about 150 KB for a day of events worldwide. No key, no server of mine in between, nothing stored. USGS sees the request, the same way they would if you opened their site yourself.

What the numbers mean. Magnitude is logarithmic: each whole step is roughly 32 times the energy. Distances are great-circle from downtown Las Vegas to the epicentre, which is a point on the surface above where the rupture started, not where the shaking was worst. Depth is not drawn at all.

What it is not. This is a record of what already happened. Nothing here forecasts anything: earthquake prediction, in the sense people usually mean, does not exist.

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