The assam earthquake of 1897 occurred on 12 june in assam at 17. Steinbrugge collection, nisee, uc berkeley the assam valley was no stranger to severe earthquakes. Geospatial technologies such as gis and remote sensing data have been used. The great 1950 assam earthquake caused widespread devastation throughout the frontal regions of northeast himalaya. Assam tibet 1950 august 15, said that the 1950 earthquake had taken a toll of 780 human lives in tibet and between 1,526 and 1,530 lives in assam. Cracks developed in the ground and large landslides occurred, and a village slid into a river and was washed away. Descriptive account of indian earthquakes and scholarly papers by the author on. Pdf simulation of strong ground motion during the 1950. It becomes difficult to carry out rescue and relief operations after an earthquake because of the destruction of roads, railways, bridges and communication. The 1950 assam tibet earthquake also known as the assam earthquake occurred at 2. The 1950 assam, tibet earthquake bibiography interesting facts. The assam earthquake of 1897 this earthquake had its epicentre near shillong. Field evidences of liquefaction and search for paleoseismic events d. And next time anyone tells you that fracking causes earthquakes, ask them what magnitude and refer them to the diagram at the end of this post.
On june 12, 1897 its southern part was shaken by a giant. But at the end of the day, nobody in this border region where india, china, east. Not only was the assam earthquake of 1897 one of the earliest recorded in the region, it was also one of the most devastating. The great assam earthquake of august 15, 1950 nature. The impact of the great 1950 assam earthquake on the frontal. The great assam earthquake of 1950 destroyed the railroad bridge in the lakhimpur district, cutting the main connection between assam and the rest of the subcontinent.
Assam earthquake of 1950, some of the rivers like subansiri and its tributaries dirgha, kadam and kakoi suddenly changed their channelsgiving birth to new channels destroying villages, agricultural fields or teaplantation 26. The plate of india and eurasia plate collided to create the highest plateau. Fortunately we have not had such great earthquakes since then. It is supposed be one of the largest earthquakes in the world, and has been assigned magnitude 8.
Destruction was massive all over northeast india and 6,000 people lost their lives. The epicentre was located rima and the earthquake itself was destructive in both assam and tibet. The assam, tibet earthquake had a whopping magnitude of 8. Some researchers say that the assam quake of 1950 was a thrust quake while others argue that it was a strikeslip event similar to the quakes we get along most faults in california.
A compilation of papers on the assam earthquake of august 15. The cause was one of the biggest blind earthquakes in the world. Publication issue 1 of publication national geophysical research institute india issue 1 of publication, central board of geophysics. Pdf primary surface rupture of the 1950 tibetassam great. The largest instrumentally recorded himalaya earthquake occurred on 15th august 1950 in assam, eastern india. Upper assam earthquake of 1950 on august 15, 1950 at 7. Though this earthquake is known as the assam earthquake, its epicenter was located in the territory adjacent to the mishmi hills of arunachal pradesh of india, in higher reaches of the lohit river near rima, tibet. It was the 6th biggest earthquake of the 20th century. Aug 15, 2017 2 thoughts on assam earthquake 15th august 1950 paul braterman august 15, 2017 at 10.
Not only was the assam earthquake of 1897 one of the earliest recorded in the region, it was also one of. Morphometric analysis of kakoi river watershed for study of. Casualities magnitude epicenter and depth date and time the earthqauke hit on august 15, 1950 at 14. Nias earthquake 10 1950 assam tibet earthquakelocation. Kingdonward on the evening of 15 august 1950 one of the biggest earthquakes ever recorded took place in southeastern tibet, close to the assam frontier geogr. Earthquake intensity or macroseismic intensity scale is a measure of the severity of ground shaking in a limited area resulting from an earthquake. This suggests that the population is diminishing, and derelict rice terraces at various places between walong and rima point to the same conclusion. It is also the biggest earthquake on record that was not caused by an oceanic subduction. The 1950 assamtibet earthquake, also known as the assam earthquake, occurred on 15 august and had a moment magnitude of 8. In january 1950 my wife and i left the tocklai tea research station in. Earthquakes the great assam earthquake 1950 indochina wil shaffer 91505 outline. Location tibet is located on the southwest border of china. The 1950 earthquake is considered one of the most disastrous in south asias history.
Pdf a composite rupture model for the great 1950 assam. This led the state of assam fall under the seismic zone v making the entire state prone to earthquake of moderate to very high intensity. The asssamtibet earthquake, also called the assam earthquake, happened on 15 august 1950. The usgs, which has consulted various published accounts and documents to prepare its report on that earthquake historic earthquakes. Sep 10, 2009 the study area showing the meizoseismal area of the great 1950 assam earthquake. A composite rupture model for the great 1950 assam earthquake across the cusp of the east himalayan syntaxis. A composite rupture model for the great 1950 assam earthquake. The eurasian and indian plate were converging which means crashing against each other and with the stress building up, and getting released the earthquake was born. Pages in category earthquakes in assam the following 4 pages are in this category, out of 4 total. The epicentre was located in the mishmi hills, known in chinese as the qilinggong mountains.
Upper assam most affected by 1950 earthquake the assam tribune. The assam earthquake of 15 august 1950 also known as chayu or. The earthquake was felt throughout most of northeastern india and some parts of eastern india. A composite rupture model for the great 1950 assam. Considering the size of the earthquake, the mortality rate was about 1,542 casualties, but property damage was very heavy. Severe damage was also experienced in assam, india and the vicinity.
The earthquake in bengal and assam internet archive. Two thousand homes, temples and mosques were destroyed there and over 1,500 people killed. In this paper, we jointly analyze the spatial distributions of reappraised aftershocks and landslides, and provide new field evidence for its hitherto unknown surface rupture extent along the mishmi and abor hills. Mar 25, 2010 being in search of more documents today 27. Pdf the pattern of strain accumulation and its release during earthquakes along the eastern himalayan syntaxis is unclear due to its. A compilation of papers on the assam earthquake of august 15, 1950 issue 1 of central board of geophysics. This article contains a translation of 1950 assam tibet earthquake from en.
The assam earthquake of june 12, 1897 was a violent 8. Simulation of strong ground motion during the 1950 great assam earthquake article pdf available in pure and applied geophysics 1659. The state has experienced two major earthquakes in the year 1897 and 1950. The 1950 assam, tibet earthquake by grace miskovsky on prezi. No matter what the mechanism, there is one item all seismologists agree upon. Assam earthquake india june 12, 1897 devastating disasters. The assam earthquake on august 15, 1897, more than 1538 people died. Request pdf the impact of the great 1950 assam earthquake on the frontal regions of the northeast himalaya the himalaya, worlds highest mountain range, harbours some of the worlds.
Out of the earth, which was open for 5 days, came columns of steam and sup. Enquiry by the united states of america through indian embassy, washington regarding immediate help in kind needed for the victims of the earthquake in assam 1950, 154nef, external affairs proceedings. Assam earthquake india august 15, 1950 devastating. Among the most severe are those recorded in 1897, with the shillong plateau as the epicentre.
The impact of the great 1950 assam earthquake on the. Its epicentre was about twenty miles northwest of rima, in the. Assam earthquake 15th august 1950 peddling and scaling god. Assam earthquake 15th august 1950 peddling and scaling.
The collision zone between india and eurasia along the tremendous himalayan mountain. Earthquake epicenter, mishmi thrust and isoseismal lines after poddar, 1952 can also be seen. The assam earthquake of august 15, 1950, magnitude 8. Kingdonward on the assam earthquake when he was camping close to the epicenter. The assam, tibet 1950 earthquake was a serious conflict to people over china and india. This was known to be the 10th largest earthquake in the 20th century. Field evidences of liquefaction and search for paleoseismic events.
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