After M 6,2, M 5.3 Guncang Susulant Earthquake In The Mentawai Islands

Illustration of an earthquake. (Pixabay)

W Sumatra - The Meteorology, Climatology and Geophysics Agency (BMKG) reported a 5.3 magnitude (M) aftershock rocked Siberut Island, Mentawai Islands, West Sumatra (West Sumatra). This earthquake occurred shortly after the first earthquake had a magnitude of M 6.2.

"As of 07.10 WIB, the results of BMKG monitoring showed that there was one aftershock with a magnitude of M5.3," said the acting Head of the BMKG Earthquake and Tsunami Center, Daryono, in a written statement, quoted from Antara, Sunday, September 11.

Daryono explained that the epicenter of the earthquake was located at coordinates 1.18° South Latitude; 98.53° East Longitude, or precisely located on land in the West Cyberut region, Mentawai Islands, at a depth of 27 km.

"By taking into account the location of the epicenter and the depth of the hypocenter, the earthquake that occurred was a shallow type of earthquake due to plate subduction activity in the Megathrust Mentawai-Siberut zone. The results of the analysis of the source mechanism show that the earthquake has a thrust fault mechanism," said Daryono.

Gempa ini berdampak dan dirasakan di daerah Siberut Utara dengan skala intensitas V MMI, atau getaran dirasakan hampir semua penduduk, orang banyak bangun.

While felt in the areas of Sagulubeg, West Siberut, Sikabaluan, Tuapejat with an intensity scale of IV-V MMI, or vibrations felt by almost all residents, many people woke up.

Meanwhile, the Padang, Padang Panjang, Painan, West Pasaman areas with an intensity scale of III-IV MMI, or if during the day people feel at home.

The modeling results show that this earthquake has no tsunami potential.

BMKG appealed to the public to remain calm and not be influenced by issues that cannot be justified. In order to avoid cracked or damaged buildings caused by the earthquake.