M 4.7 earthquake: North Pacific Ocean (Northern Mariana Islands) — February 19, 1991
M 4.7 earthquake: North Pacific Ocean (Northern Mariana Islands) — February 19, 1991. Epicenter 658 km N of Capitol Hill, depth 33 km, 08:40 Local (1991-02-18 22:40 UTC). Readings from every reporting agency, affected towns, aftershock sequence.
North Pacific Ocean (658 km N, Northern Mariana Islands) — 21.088, 145.044
