Minor Quake Shakes Douglas Area | Tucson News

A mild 4.0 earthquake rattled the Douglas area early Sunday, barely noticeable to most and causing no damage or injuries — a quiet shake that locals weathered without a hitch. While magnitude measures the quake’s size, intensity shows how it felt locally, and this one registered low on the Modified Mercalli scale, meaning light, localized shaking. No alarms, no harm — just a harmless morning tremor. Listen in comfort:Get a discount on a Soli Pillow: http://solipillow.com/discount/dnn. Advertise on DNN:[email protected] This is an automated, high-level news summary based on public reporting.Report issues to [email protected]. View sources & latest updates:https://sources.thednn.ai/5a00a9928432acac