An earthquake measuring 5.4 in magnitude on Sunday afternoon jolted wide areas of western Japan near the focus of Friday's massive earthquake that injured 130 people, the Meteorological Agency said.

The 1:17 p.m. quake occurred as one of 453 aftershocks recorded since the Friday quake. It measured 4 on the Japanese intensity scale of 7 in Daito and Hikawa in Shimane Prefecture, and 3 in a number of locations, including Sakaiminato and Hino in the adjacent Tottori Prefecture, where Friday's magnitude-7.3 quake was centered.

There were no reports of injuries or damage from Sunday's quake, the focus of which was 10 km underground in eastern Shimane Prefecture.

Meanwhile, the number of injuries from Friday's quake has risen to a total of 130 in nine prefectures, according to police. A total of 1,237 people in Tottori, Shimane and Okayama prefectures remained at community centers Sunday. Damage to roads, ports and other facilities amounted to some 10 billion yen in Tottori Prefecture and more than 400 million yen in Shimane Prefecture, according to prefectural officials.

Local authorities called on residents to be on the alert for possible landslides as the first rain since the Friday quake fell Sunday in some areas struck by the disaster.

Meanwhile, volunteer relief workers from Tokyo and other parts of Japan have begun entering disaster areas to assist in relief operations. over the long weekend. Monday is Health-Sports Day, a national holiday.

In Saihaku and Hino, both in Tottori Prefecture, about 150 volunteers covered damaged roofs of houses with vinyl sheets to prevent rain from leaking in and helped elderly people clean rubble from their homes.