Compare the seismic chart of the Hato Mayor, DR, seismology station with that of the Sabaneta, San Juan de la Maguana (above). The Hato Mayor seismogram started picking up rumblings starting around 2:30 am, and continued to do so with continuing frecuency until the 5:30 am big jolt.
HATO_SHZ_DR (2007-06-14)