Deadly Indonesian Quake Was a Rare 'Superfast' Event
- Mon 04 Feb 2019 08:02:PM
The extreme speed of last fall's Indonesian earthquake - rupturing faster than 9,000 mph (14,500 kph) - created a sort of 'seismic boom' that intensified the shaking.
Source: Deadly Indonesian Quake Was a Rare 'Superfast' Event