The 1963 Su-ao earthquake occurred on February 13 at 16:50 local time (08:50 UTC).

The epicenter was located off the coast of Taiwan, near Su-ao, Yilan County.

The number of reported dead was 3–15 and the number of injured was 3–18.

The earthquake showed a weakly coupled interplate boundary in the nearby region.

[3] A landslide occurred in the Su-ao-Hualien highway.