def get_events(self, rlzs_by_gsim):
        """
        :returns: an array of events with fields eid, rlz
        """
        all_eids, rlzs = [], []
        for rlz, eids in self.get_eids_by_rlz(rlzs_by_gsim).items():
            all_eids.extend(eids)
            rlzs.extend([rlz] * len(eids))
        return numpy.fromiter(zip(all_eids, rlzs), events_dt)
:returns: an array of events with fields eid, rlz