Very strong M7.3 earthquake hits Venezuela at intermediate depth
A very strong earthquake registered by the USGS as M7.3 hit near the coast of Sucre, Venezuela at 21:31 UTC on August 21, 2018. The agency is reporting a depth of 123.2 km (76.5 km). EMSC is reporting M7.3 at a depth of 112 km (69.6 miles). According to the USGS, the epicenter was located  20.9 km (13.0 miles) NNW of Yaguaraparo, 38.4 km (23.9 miles) ENE of Carúpano (population 112 082), 69.4 km (43.1 miles) WNW of Güiria (population 40 000), 107.6 km (66.9 miles) ESE Porlamar (population 87 120) and 109.1 km (67.8 miles) ESE of La Asunción (population  35 084), Venezuela. There are 560 000 people living within 100 km (62 miles). Based on all available data, there is no tsunami threat, PTWC said. Some 52 000 people are estimated to have felt very strong shaking, 2 089 000 strong, 2 587 000 moderate and 3 928 000 light. Buildings were evacuated in the capital Caracas and people fled homes. Shaking was felt as far away as …

Tropical Storm "Son-tinh" forms in the South China Sea, heading toward Hainan, China and Vietnam

Tropical Storm

Tropical Storm "Son-tinh" formed late July 16, 2018, in the South China Sea as the 9th named storm of the 2018 Pacific typhoon season. The main threat as this storm tracks over Hainan and into Vietnam over the next 36 hours will be rain. Another tropical system is expected to form east of the Philippines this week with much more chances to become a typhoon.
Son-tinh passed over the northern Philippines as a tropical depression locally known as Henry. The system combined with the Southwest Monsoon and dropped heavy rain on the country.
At 06:00 UTC on July 17, the center of Tropical Storm "Son-tinh" was located about 524 km (326 miles) southeast of Hong Kong. 10-minute sustained winds were at 65 km/h (40 mph), while 1-minute sustained winds reached 65 km/h (40 mph), with gusts up to 95 km/h (60 mph). The minimum barometric pressure was at 996 hPa, and the system was moving westward at 41 km/h (25 mph).
Animated multispectral satellite imagery shows a compact and symmetric area of convection which is quickly tracking westward.
Son-tinh is currently experiencing moderate to strong vertical wind shear and favorable sea surface temperatures. These marginal environmental conditions will allow for some minor intensification by the end of the day.
However, land interaction with Hainan (expected to begin around 18:00 UTC, July 17) will inhibit additional development.
Son-tinh will emerge over warm seawater in the Gulf of Tonkin around 03:00 UTC, July 18 which will help maintain its intensity of 75 km/h (45 mph).
Landfall in northern Vietnam is expected around 12:00 UTC, July 18.
Tropical Storm "Son-tinh" at 09:00 UTC on July 17, 2018. Credit: JMA/Himawari-8
Image credit: JTWC
Featured image: Tropical Storm "Son-tinh" at 09:00 UTC on July 17, 2018. Credit: JMA/Himawari-8

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