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1931 Myitkyina earthquake

Earthquake in Myanmar

Field	Value
title	1931 Myitkyina earthquake
timestamp	1931-01-27 20:09:19
anss-url	iscgem906595
isc-event	906595
local-date
local-time	02:39
map2	{{Location map	Burma
AlternativeMap	Myanmar relief location map.jpg
lat	25.67
long	96.15
mark	Bullseye1.png
marksize	40
position	top
width	250
float	right
relief	yes}}
magnitude	7.6
depth	35 km
location
intensity

|anss-url = iscgem906595 |isc-event = 906595 |local-date = |local-time = 02:39

The 1931 Myitkyina earthquake, or also known as the 1931 Kamaing earthquake, occurred on January 28 at 02:39 local time (20:09 on January 27 UTC). It was located in northern Burma, then part of British India. The magnitude of this earthquake was put at 7.6. According to some sources the depth was 35 km, and according to a study of Phyo M. M. the depth was 5 to 30 km.

The shock was very violent and lasted at least 30 seconds. The intensity reached MMI IX. There were numerous fissures and cracks. Sand blows were reported. The earthquake may have been caused by slip along the Sagaing Fault. The Sagaing Fault is a continental transform fault between the India Plate and the Sunda plate. This earthquake is located along the northern Sagaing Fault. Sagaing Fault at 22° N is narrow, about 10 km wide. The part of Sagaing Fault between 25°30' and 26° is wider, with a shear zone about 70 km wide, and has four branches identified.

References

Engdahl, E. R.. (2002). "International Handbook of Earthquake & Engineering Seismology". [[Academic Press]].
Chhibber, H. L.. (1933). "The Physiography of Burma". Longmans, Green & Company, Limited.
Phyo, M.M. & Shibazaki, B & Hurukawa, Nobuo. (2010). Relocation of earthquakes in Myanmar by MJHD method: Aftershocks of large earthquakes and seismicity along the Sagaing fault. Bulletin of the International Institute of Seismology and Earthquake Engineering. 44. 25–30.
MacRae, G. A., U. T. Myint, and Sudhir Kumar Jain. "Steps in Earthquake Proofing a Country—A Case Study of Myanmar." Bulletin of the New Zealand Society for Earthquake Engineering 44.2 (2011): 87.
(1984). "Faulting associated with large earthquakes and the average rate of deformation in central and eastern Asia". Journal of Geophysical Research: Solid Earth.
Tsutsumi, H.. (2009). "Tectonic geomorphology of the southernmost Sagaing Fault and surface rupture associated with the May 1930 Pegu (Bago) earthquake, Myanmar". [[Seismological Society of America]].
(2010). "First global positioning system results in northern Myanmar: Constant and localized slip rate along the Sagaing fault". Geology.

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