Massachusetts Earthquake History

Name: Massachusetts — earthquake history (magnitude 4.5+)
Creator: U.S. Geological Survey
License: https://www.usa.gov/government-works

Since August 22, 1992, the USGS has recorded 1 earthquakes of magnitude 4.5 or greater in Massachusetts. The strongest was M 4.8.

Strongest in Massachusetts

M 4.8 · 240 km S of Madaket, MassachusettsAugust 22, 1992

All recorded earthquakes

M 4.8 mbAugust 22, 1992

240 km S of Madaket, Massachusetts · depth 10 km

Source: U.S. Geological Survey, Earthquake Hazards Program. Older and smaller earthquakes are under-counted relative to recent decades as instrumentation improved. A record of past shaking is not a forecast. See About the Data.