Are Epoch and Era?

An epoch, (not to be confused with epic), like an era, is a period of time. An epoch is longer than an era and can cover more than one lifetime. ... Geologists subdivide an eon into eras. A geological era is subdivided into periods, epochs, and stages.

Is epoch and era the same?

era = A unit of time shorter than an eon but longer than a period. period = A unit of time shorter than an era but longer than epoch. epoch = A unit of time shorter than a period but longer than an age.

Is epoch longer than an era?

A: Geologically, eons are longer than eras, while eras are longer than epochs. More generally however, eons are still the longest yet epochs usually last longer than eras. BUT epochs can also be relate to “turning point” moments in time – and an era might contain many epochs.