A 5.6 magnitude earthquake struck near Medan, Indonesia, at 7.42pm local time Monday.
According to Indonesia’s Meteorology, Climatology and Geophysics Agency, the epicentre of the earthquake was located 28km south-west of Medan at a depth of 10km, The Star Online reported.
The Malaysian Meteorological Department said the earthquake measured 5.5 on the Richter scale.
Seismologists say that there is no tsunami threat.
Twitter users in Penang reported feeling tremors from the Medan earthquake.
@SteveRobertz tweeted: “Big #tremors felt here in #Penang. #Earthquake in #Medan possibly. The whole Malay peninsular felt it.”
@LynnZulkarim tweeted that her colleagues staying in a hotel in Penang felt some tremors.
However, she tweeted that she “honestly didn’t feel a thing”.
The earthquake came just over a month after a 6.5 magnitude earthquake struck 164km south-east of Banda Aceh, Indonesia, on Dec 7 last year.
The epicentre of that earthquake was located near the Pidie Jaya district and destroyed 80% to 90% of the buildings.
Over a hundred people died and close to a thousand were injured in the December earthquake.
Meanwhile, all Malaysian students in Medan are reported to be safe after the earthquake.
The Malaysian Consul-General in Medan Amizal Fadzli Rajali when contacted said strong tremors, which lasted only for a few seconds, were felt by many in the province.
“The authorities confirmed that there were no untoward incidents and no buildings were damaged, while our students when contacted said they are safe,” he said.
There are 1,100 Malaysian students at several universities in North Sumatra.
The first quake struck at 7.13pm at 3.9 on the Richter scale and the second occurred with a strength of 5.6 of the Richter scale.
The quake was felt in several areas including Medan, Deliserdang, Binjai and Karo as well as several areas in Peninsular Malaysia, including Penang and Perak.