Mag. 4.5 earthquake - 39 km northwest of Sainyabuli, Xayaboury, Xaignabouli, Laos, on Thursday, 21 November 2019 at 01:14 (GMT) -
This quake was likely an aftershock of the 6.0 quake 49 km northwest of Sainyabuli, Xayaboury, Xaignabouli, Laos, 20 November 2019 23:50 GMT, which had occurred 1 hour and 24 minutes earlier.
Quake Data | Interactive map | User Reports | Earlier quakes in same area | Quakes in Laos | Quakes in Thailand | Xaignabouli | Nan | Luang Prabang Province | Vientiane | Phayao | Khouèng Oudômxai | Chiang Rai | Xiangkhouang | Vientiane Prefecture
Light magnitude 4.5 earthquake at 10 km depth
21 Nov 01:36 UTC: First to report: EMSC after 21 minutes.
Nov 21 02:20: Magnitude recalculated from 4.4 to 4.5.
Nov 21 02:20: Magnitude recalculated from 4.4 to 4.5.
Magnitude: 4.5
Depth: 10.0 km
Epicenter latitude / longitude: 19.4°N / 101.37°E
(Xaignabouli, Laos)Nearby towns and cities:
39 km (24 mi) WNW of Sainyabuli (Xayaboury, Xiagnabouli) (pop: 13,500) --> See nearby quakes!
55 km (34 mi) ENE of Chiang Klang (Thailand) (pop: 13,200) --> See nearby quakes!
93 km (57 mi) NE of Nan (Thailand) (pop: 24,700) --> See nearby quakes!
97 km (60 mi) SW of Luang Prabang (Louangphabang) (pop: 47,400) --> See nearby quakes!
125 km (78 mi) WNW of Vang Vieng (Vientiane) (pop: 25,000) --> See nearby quakes!
147 km (91 mi) E of Dok Kham Tai (Phayao, Thailand) (pop: 23,800) --> See nearby quakes!
157 km (98 mi) SSW of Muang Xay (Muang Xai, Oudômxai) (pop: 25,000) --> See nearby quakes!
171 km (106 mi) ESE of Chiang Rai (Thailand) (pop: 78,800) --> See nearby quakes!
191 km (119 mi) W of Muang Phônsavan (Xiangkhoang) (pop: 37,500) --> See nearby quakes!
205 km (128 mi) NW of Vientiane (Vientiane Prefecture) (pop: 196,700) --> See nearby quakes!
Primary data source: EMSC (European-Mediterranean Seismological Centre)
Estimated released energy: 3.5 x 1011 joules (98.6 megawatt hours, equivalent to 84.8 tons of TNT) More info
Data for the same earthquake reported by different agencies
Info: The more agencies report about the same quake and post similar data, the more confidence you can have in the data. It takes normally up to a few hours until earthquake parameters are calculated with near-optimum precision.
| Magnitude | Depth | Location | Source |
| M 4.5 | 10 km | Laos | EMSC |
| M 4.5 | 10 km | 35km NE of Bo Kluea, Thailand (Laos) | USGS |
User reports for this quake (3)
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Leave a comment if you find a particular report interesting or want to add to it.
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Send your own user report!
Bangkok. Sukhumvit 23 / Moderate shaking (MMI V)
Xayabury,Laos / Moderate shaking (MMI V) : The first tremor was around 4:00 Am. The bed, the table and everything thing in the room was shaking for about 15 seconds. The second one came again at 7:00am with relatively high shake and was scary. No casualties so far
Klonsan, Thailand / Weak shaking (MMI III) : light swaying of condo building
Earlier earthquakes in the same area
Mag. 4.5 earthquake - 39 km northwest of Sainyabuli, Xayaboury, Xaignabouli, Laos, on Thursday, 21 November 2019 at 01:14 (GMT)
Click here to search our database for earlier earthquakes in the same area since 1900!
