[3] The story of Radio Joya, as XHFM was known, was cut short on July 28, 1957, when an earthquake led to the total destruction of its studio facilities.

Owing to the low penetration of FM receivers and the preference of advertisers for AM, the station remained off the air until 1974, but during this period, significant changes were occurring.

Additionally, as was already the case with Radio Centro's other FM stations, the callsign was changed to match one of the company's existing AM outlets and XHFM became "XEJP-FM".

He would become the station's signature personality, beginning with a morning show that on November 22, 1999 expanded to a seven-hour time slot (from 6:00 am until 1:00 pm), known as Hoy con Mariano.

A nightly program known as Nocturno 93-7, hosted by voice actors Mario Arvizu and Sonia Casillas as well as Osorio's assistant Carlos Valle, replaced the latter on May 2, 2016.