Manipur earthquakes

There were 3 earthquakes near Manipur (India), with magnitudes 4.6-4.7 each, within a 55-hour timespan and ca. 70 km distance, according to the USGS catalogue. The focal depths were between 55 and 68 km. Although this segment of the India-Burma subduction is known to be seismically active, this is a relatively rapid succession of light events.