Earthquake Dashboard

Magnitude

0–2

2–4

4–6

6+

Significance (sig)

A numeric measure of the earthquake’s overall impact (higher = more significant).

Community Intensity (CDI)

Based on felt reports by people in the area (scale 1–10). N/A if not reported.

Alert Level

Green – Low alert

Yellow – Moderate alert

Red – High alert

Displayed only for earthquakes meeting USGS warning criteria.