A moderate earthquake measuring 5.7 on the Richter scale hit Andaman Islands region at 5.29pm on Wednesday, the Malaysian Meteorological Department said.

In a statement, it said the quake's epicentre was 65km northeast of Little Andaman, India and 908km northeast of Langkawi, Kedah.

Meanwhile, a weak 4.8-magnitude earthquake struck Santa Cruz Islands at 5.35pm.

The earthquake's epicentre was 751km southeast of Honiara, Solomon Islands and 5,627km southeast of Kunak, Sabah.

Both earthquakes posed no tsunami threats to Malaysia, the department said.