4.0 magnitude earthquake 31 km from Pematangsiantar, North Sumatra, Indonesia

1981-05-04 13:31:23 UTC

UTC time: Monday, May 04, 1981 13:31 PM
Your time: 1981-05-04T13:31:23Z
Magnitude Type: mb
USGS page: M 4.0 - northern Sumatra, Indonesia
USGS status: Reviewed by a seismologist
Reports from the public: 0 people