Today’s quake struck within a nest of seismicity that has persisted for the past 20 years—near but definitely not on the Teton fault. Source: USGS

Today’s quake struck within a nest of seismicity that has persisted for the past 20 years—near but definitely not on the Teton fault. Source: USGS

Today’s quake struck within a nest of seismicity that has persisted for the past 20 years—near but definitely not on the Teton fault. Source: USGS