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Friday, May 8, 2020 | History

2 edition of S-Wave Focal Mechanism Studies of the Hindu Kush Earthquake of July 6, 1962. found in the catalog.

S-Wave Focal Mechanism Studies of the Hindu Kush Earthquake of July 6, 1962.

Canada. Dept. of Mines and Technical Surveys. Observatories Branch.

S-Wave Focal Mechanism Studies of the Hindu Kush Earthquake of July 6, 1962.

by Canada. Dept. of Mines and Technical Surveys. Observatories Branch.

  • 197 Want to read
  • 37 Currently reading

Published by s.n in S.l .
Written in English


Edition Notes

1

SeriesCanada Dominion Observatory Contributions -- V.7,no.03
ContributionsStevens, A.E.
ID Numbers
Open LibraryOL21904144M

Recurring large deep earthquakes in Hindu Kush driven by a sinking slab Zhongwen Zhan1 and Hiroo Kanamori1 1Seismological Laboratory, Division of Geological and Planetary Sciences, California Institute of Technology, Pasadena, California, USA Abstract Hindu Kush subduction zone produces large intermediate-depth earthquakes within a small volume every 10–15 years. Many large events of M ≥ 7 have been observed in the Hindu Kush, all with similar epicenters, with an approximate periodicity of about 10–15 years. These events have reverse fault focal mechanisms, which for the near vertical slab indicates active extension.

  The Hindu Kush mountain range — which stretches about miles ( kilometers) along the border of Afghanistan and Pakistan — shudders with more than earthquakes at a magnitude of or. A magnitude earthquake has rattled the Hindu Kush region in northern Afghanistan, but no major damage or injuries were reported.

Bihar near the river Ganga due to this earthquake (Dunn et al. ). Earthquakes of magnitude 5 to 6 continued to occur in different parts of Nepal during the years to which included a few aftershocks of earthquake. On 28 December , an earthquake of magnitude earthquakes on a larger time and space scale in order to study the processes of the Tangshan earthquake. 1. Strong earthquakes in North China The seismic activity in North China can be considered for the whole area according to the epicentral distribution, focal mechanism, direction of long axis of isoseismals of.


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S-Wave Focal Mechanism Studies of the Hindu Kush Earthquake of July 6, 1962 by Canada. Dept. of Mines and Technical Surveys. Observatories Branch. Download PDF EPUB FB2

The determination of the focal mechanism of earthquakes is the field of investigation which does just this. As implied above, two things are intended in mechanism studies.

First, there is the determination of the character of the motion at the source of an individual earthquake as deduced from the data of Cited by:   W. Stauder, S.J. and G. Bollinger,The S wave project for focal mechanism studies: Earthquakes ofA scientific report prepared at Saint Louis University for the Air Force Office of Scientific Research under Grant AF-AFOSR ().Cited by: 2.

A GEOCHRONOMETRIC STUDY OF THE SUPERIOR PROVINCE NEAR RED LAKE NORTHWESTERN ONTARIO. S-WAVE FOCAL MECHANISM STUDIES OF THE HINDU KUSH EARTHQUAKE OF JULY 6, Anne E. Stevens» Abstract. Canadian Journal of Earth Sciences,3(3): Canadian Journal of Earth Sciences,3(3): The deepest one is a strike-slip earthquake, which is located in the northwest of Himalayan main boundary thrust (No.

S32). Its focal depth is 49 km, which is ca. 10 km shallower than the average value of the mantle depth estimated by wide-angle reflection and refraction studies (Jackson et al., ).Cited by: all earthquakes were caused by an esssentially the mechanism.

T" this purp"se all data of the direction of first motionof the Pand PKP wavesof Hindu Kush earthquakes as can be found in the ISS hulletins were gathered. For the years following the bulletins of the Central llureau vf. ismology (Strasbourg) were look­ ed through. Stress studies in the Central Alborz by inversion of earthquake focal mechanism data Article in Acta Geophysica September with Reads How we measure 'reads'.

The mechanism of energy release at the origin or focus of the Hindu Kush earthquake of July 6,was studied by comparing recorded and theoretical P (longitudinal) and S (transverse) ground.

Geometry and energy balance for M w > 6 earthquakes on the Hindu Kush nest. (a) Fault plane poles for the selected events. These poles describe a southward steeply dipping region similar to the shear zone discussed in Lister et al. (b) Nucleation phases observed for a variety of events on the nest.

NEW DELHI: A massive earthquake of magnitude on the Richter scale, with the epicentre in the Hindu Kush region of Afghanistan, rocked the northern Indian subcontinent around pm. The Kaoiki, Hawaii, earthquake with magnitude 6. 6 of Novem was a strike-slip faulting event on a fault with large dip angle.

The results for mechanisms of smaller events before and after the Kaoiki mainshock show that there were two kinds of mechanisms: (1) strike-slip on the fault with large dip angle; (2) slip on the crustal discontinuity plane with smaller dip angle, and. Several causes for complexity of P-wave signals from earthquakes in the Hindukush focal region and recorded at Gauribidanur seismic array in southern India, have been investigated.

Visual inspection of the records of these earthquakes revealed that. The Hindu Kush is near the margin of the colliding Eurasian and Indian tectonic plates. This collision causes the frequent earthquakes, and also shaped the rugged terrain and high mountains.

The quakes’ relatively shallow depth of 33 km below the Earth’s surface contributed to the severe damage in. Induced Earthquakes is the most comprehensive single book on the subject and is a valuable introduction for graduate students, scientists and engineers to the study of seismic events induced and triggered by human activity and certain natural causes.

Hindu Kush, Afghanistan has had: (M or greater) 0 earthquakes in the past 24 hours 5 earthquakes in the past 7 days; 17 earthquakes in the past 30 days.

Real time mapping of the area where the earthquake was felt: When an earthquake is felt by the population, the eye-witnesses rush on the internet to find out the cause of.

Earthquake of magnitude hits Hindu Kush Region, Afghanistan | NewsX #Earthquake #Afghanistan #NewsX Subscribe to our Channel: is a platform for academics to share research papers. He earned his Masters in Earthquake Engineering from the University of Roorkee inand his Ph.D. from the Institute of Technology, Kanpur in He has authored 3 books, 3 book chapters, and 22 journal articles, and is a member of the Indian Society of Earthquake Technology and the Earthquake Engineering Research Institute.

Over 80 earthquakes, exclusively from the Hindukush focal region, which were recorded at the Gauribidanur seismic array (GBA) have been used in this study. These events have similar epicentral distances and a narrow azimuthal range from GBA but varying focal depths from 10 to km.

2 Introduction • Earthquakes represent the vibration of Earth because of movements on faults. • The focus is the point on the fault surface where motion begins. • The epicenter is the point on Earth's surface directly above the focus.

The deadly Izmit earthquake struck northwest Turkey on Augat 3 a.m. O residents of the region were killed as poorly constructed. Event: /03/25 Catalog: NEICALRT Mag: Type: MW Lat: Lon: Depth: Description: HINDU KUSH REGION, AFGHANISTAN KABUL, Afghanistan (CNN) -- Afghan officials have said that an accurate death count may be weeks away after a devastating earthquake in the mountains of northeastern Afghanistan, where early reports indicated the town of Nahrin may .The mechanism of the Aleutian islands earthquake of and the Sanriku earthquake of is studied on the basis of the data on seismic waves from 5 to s and on tsunamis.

These earthquakes generated, despite their relatively small earthquake magnitude, two of the largest and most widespread tsunamis in history. The data obtained at different periods are interpreted in terms of the.The Hindu Kush Seismic Zone as a Paradigm for the Creation of Ultrahigh‐Pressure Diamond‐ and Coesite‐Bearing Continental Rocks Mike Searle, Bradley R.

Hacker, 1 and Roger Bilham Department of Earth Sciences, Oxford University, Parks Road, Oxford OX1 3PR, United Kingdom.