U.S., Nov. 21 -- A Strong Magnitude 6.1 earthquake rocked Laos today. There were no immediate reports of casualties or structural damages. No tsunami warning was issued.

Preliminary Earthquake Report:

Magnitude 6.1

Date-Time * 20 Nov 2019 23:50:44 UTC

* 21 Nov 2019 06:50:44 near epicenter

Location 19.451N 101.345E

Depth 10 km

Distances * 44.0 km (27.3 mi) WNW of Sainyabuli, Laos

* 53.7 km (33.3 mi) ENE of Chiang Klang, Thailand

* 94.9 km (58.8 mi) NE of Nan, Thailand

* 95.8 km (59.4 mi) WSW of Luang Prabang, Laos

* 110.0 km (68.2 mi) E of Chiang Kham, Thailand

Location Uncertainty Horizontal: 6.8 km; Vertical 1.8 km

Parameters Nph = 143; Dmin = 262.0 km; Rmss = 0.77 seconds; Gp = 33deg

Laos is a poor Southeast Asian country ...