Strong and shallow M7.4 earthquake hit near the coast of southwest Sumatra, Indonesia
A strong and shallow earthquake registered by the BMKG as M7.4 hit off the coast of southwest Sumatra, Indonesia at 12:03 UTC (19:03 local time) on August 2, 2019. The agency is reporting a depth of 10 km (6.2 miles). USGS is reporting M6.9 at a depth of 52.8 km (32.8 miles); EMSC M6.8 at a depth of 40 km (24.8 miles).
The epicenter was located 148 km (92 miles) SW of Labuan (population 33 567), 177 km (110 miles) SW of Pandeglang (population 92 316) and 187 km (116 miles) WSW of Rangkasbitung (population 43 001), Indonesia.
There are about 37 000 people living within 100 km (62 miles).
8 000 people are estimated to have felt strong shaking, 990 000 moderate and 38 811 000 light.
An early tsunami alert was issued at 12:03 and ended at 14:40 UTC (21:40 WIB) after no change in the seawater level was observed.
The quake caused panic, sent people out of their homes and buildings, and those on the coast fleeing for higher ground.
It lasted around 40 seconds.
There are no reports of major damage or casualties.
The USGS issued a green alert for shaking-related fatalities and economic losses. There is a low likelihood of casualties and damage.
Overall, the population in this region resides in structures that are vulnerable to earthquake shaking, though resistant structures exist. The predominant vulnerable building types are unreinforced brick with concrete floor and precast concrete frame with wall construction.
Recent earthquakes in this area have caused secondary hazards such as landslides that might have contributed to losses.
Estimated population exposure to earthquake shaking
Selected cities exposed
Featured image credit: Google, TW/SAM
If you value what we do here, create your ad-free account and support our journalism.
Your support makes a difference
Dear valued reader,
We hope that our website has been a valuable resource for you.
The reality is that it takes a lot of time, effort, and resources to maintain and grow this website. We rely on the support of readers like you to keep providing high-quality content.
If you have found our website to be helpful, please consider making a contribution to help us continue to bring you the information you need. Your support means the world to us and helps us to keep doing what we love.
Support us by choosing your support level – Silver, Gold or Platinum. Other support options include Patreon pledges and sending us a one-off payment using PayPal.
Thank you for your consideration. Your support is greatly appreciated.
Commenting rules and guidelines
We value the thoughts and opinions of our readers and welcome healthy discussions on our website. In order to maintain a respectful and positive community, we ask that all commenters follow these rules:
We reserve the right to remove any comments that violate these rules. By commenting on our website, you agree to abide by these guidelines. Thank you for helping to create a positive and welcoming environment for all.