According to teleSUR correspondent Ernesto Avalos, the earthquake hit the central coastline of the country near La Paz, off La Libertad, at about 3:00 a.m. and was initially recorded as measuring 6.6 by El Salvador's Ministry of Environment and Resources.
The tremor was revised down and, so far, no variations in sea level are recorded and the authorities continue to monitor wave activities, the ministry tweeted.
DATOS FINALES: Sismo mag. 4.7, frente a la costa de La Libertad. A 39 km al sur de Playa El Tunco. Prof. 37 km. [2019-05-30, 04:21] pic.twitter.com/RDxDMsCW9v