On the main characteristics of the focus of the earthquake of April 15, 1979 derived from instrumental data: : A Mycosphaerella sp. identical with that previously reported [RPP 52, 4018] was found on wheat stubble in Vict. Single ascospore cultures of the fungus and cultures derived from ...
G. W. Walker, relying on certain observations of the emergence-angle of P waves at Pulkovo, makes the somewhat startling suggestion that the depth of focus is of the order one-fifth of the earth's radius, or about 1250 km. This is a much larger estimate of depth than that hitherto ...
5. the point of origin of an earthquake. 6. the primary center from which a disease develops or in which it localizes. v.t. 7. to bring to a focus or into focus: to focus the lens of a camera. 8. to concentrate: to focus one's thoughts. v.i. 9. to become focused. ...
consequences- the results of a previous action dormant- in an inactive state, when growth and development slow or stop energy- a supply or source of electrical, mechanical, or other form of power epicentre- the exact location on the Earth's surface directly above the focus of an earthquake ...
move, creating an earthquake. In addition to the main shaking created by an earthquake, there are often foreshocks and aftershocks. Foreshocks generally increase in magnitude leading to the main earthquake, whereas aftershocks happen ___ and decrease in strength. 相关...
7 An earthquake is the perceptible shaking of the surface of the Earth, resulting from the sudden release of energy in the Earth's crust. This sudden motion causes shock waves (seismic waves) to radiate from their point of origin called the focus and travel through the earth. It is these...
As the focus of relief efforts for the huge earthquake in Türkiye and Syria changes from search and rescue to humanitarian aid, questions are being asked about why the quake caused such destruction. CGTN Europe spoke to several experts to help answer the biggest questions arising f...
The underground point where the earthquake rupture begins is thefocusor hypocenter. Theepicenterof an earthquake is the point on the ground directly above the focus. Earthquakes rupture a large zone of a fault around the focus. This rupture zone may be lopsided or symmetrical. Rupture may spread...
How will the earthquake affect the teenagers mentally?They'll have feelings of fear,anger and feel they are not safe.They will find it hard to focus.They will tend to cry and shout and tremble.And they might be afraid to be alone.What will happen if they are not helped?The teenagers ...
How will the earthquake affect the teenagers mentally? They'll have feelings of fear,anger and feel they are not safe.They will find it hard to focus.They will tend to cry and shout and tremble.And they might be afraid to be alone. What will happen if they are not helped? The ...