Within a period of seven days, 48 earthquakes rattled areas in the provinces of North Sumatra and Aceh in Sumatra Island, and most of them were categorized as shallow earthquakes.
The earthquakes occurred on several faults, in …

Within a period of seven days, 48 earthquakes rattled areas in the provinces of North Sumatra and Aceh in Sumatra Island, and most of them were categorized as shallow earthquakes.
The earthquakes occurred on several faults, in …