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1996 Ston–Slano Earthquake
__NOTOC__ On 5 September 1996 at 22:44 local time (CEST, 20:44 UTC), southern Dalmatia, Croatia, was hit by a strong earthquake of moment magnitude 6.0. The epicentre was near the coastline of the Adriatic Sea, close to the village of Slano, roughly northwest of Dubrovnik. The worst damage was of intensity VIII on the Medvedev–Sponheuer–Karnik scale, occurring in the epicentral area, but also another northwest, at the isthmus of the Pelješac peninsula, around the old town of Ston. Damage Three villages were completely destroyed, and there was damage in much of southern Dalmatia, up to Zagvozd and Grabovac. About 1,400 buildings were damaged and 474 rendered uninhabitable in the epicentral area. Cracks of up to in width appeared in the Walls of Ston. Some of the destroyed buildings had been weakened by a 4.7 earthquake off Mljet in July 1995. Fortunately, there were no fatalities. However, several people were injured, and more than 2,000 were displaced according to the Unit ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Central European Summer Time
Central European Summer Time (CEST), sometimes referred to as Central European Daylight Time (CEDT), is the standard clock time observed during the period of summer daylight-saving in those European countries which observe Central European Time (CET; UTC+01:00) during the other part of the year. It corresponds to UTC+02:00, which makes it the same as Eastern European Time, Central Africa Time, South African Standard Time, Egypt Standard Time and Kaliningrad Time in Russia. Names Other names which have been applied to Central European Summer Time are Middle European Summer Time (MEST), Central European Daylight Saving Time (CEDT), and Bravo Time (after the second letter of the NATO phonetic alphabet). Period of observation Since 1996, European Summer Time has been observed between 01:00 UTC (02:00 CET and 03:00 CEST) on the last Sunday of March, and 01:00 UTC on the last Sunday of October; previously the rules were not uniform across the European Union. There were proposals ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
United States Geological Survey
The United States Geological Survey (USGS), formerly simply known as the Geological Survey, is a scientific agency of the United States government. The scientists of the USGS study the landscape of the United States, its natural resources, and the natural hazards that threaten it. The organization's work spans the disciplines of biology, geography, geology, and hydrology. The USGS is a fact-finding research organization with no regulatory responsibility. The agency was founded on March 3, 1879. The USGS is a bureau of the United States Department of the Interior; it is that department's sole scientific agency. The USGS employs approximately 8,670 people and is headquartered in Reston, Virginia. The USGS also has major offices near Lakewood, Colorado, at the Denver Federal Center, and Menlo Park, California. The current motto of the USGS, in use since August 1997, is "science for a changing world". The agency's previous slogan, adopted on the occasion of its hundredt ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
2020 Petrinja Earthquake
At approximately 12:20 PM CET (11:20 UTC) on 29 December 2020, an earthquake of magnitude 6.4 (6.2 ) hit central Croatia, with an epicenter located roughly west-southwest of Petrinja. The maximum felt intensity was estimated at VIII (''Heavily damaging'') to IX (''Destructive'') on the European macroseismic scale. Before this event there were three foreshocks, the strongest of which had a magnitude of 5.2 on the day before. The earthquake was followed by numerous aftershocks, the strongest of which had a magnitude of 4.9 . The adversely affected areas were mostly in the Sisak-Moslavina County and other nearby Croatian counties, as well as some of the nearby areas of Bosnia and Slovenia. Seven people were confirmed dead, while 26 others were injured, with six having serious injuries. Initial reports show many buildings destroyed in Petrinja. The mayor of Petrinja, Darinko Dumbović, said that half of the town has been destroyed. The first multidisciplinary scientific paper on ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
List Of Earthquakes In Croatia
This incomplete list of earthquakes in Croatia includes major earthquakes with epicenters within the country's current borders, as well as earthquakes that had a significant impact within Croatia. There was no systematic gathering of earthquake data in Croatia before the 19th century. The magnitudes and epicenters of earlier earthquakes cannot be reliably determined, although some estimates exist. Following the 1963 Skopje earthquake, SFR Yugoslavia, of which SR Croatia was a part of, implemented its first Code for Construction in Seismic Regions in 1964. Earthquakes See also * List of earthquakes in Italy * List of earthquakes in Slovenia * List of earthquakes in Balkan ** List of earthquakes in Bosnia and Herzegovina ** List of earthquakes in Albania References Bibliography * * * * * * External links * {{Europe topic, List of earthquakes in Earthquakes in Croatia, * Lists of earthquakes by country, Croatia Lists of events in Croatia, Earthquakes ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
List Of Earthquakes In 1996
This is a list of earthquakes in 1996. Only earthquakes of magnitude 6 or above are included, unless they result in damage or casualties, or are notable for some other reason. All dates are listed according to UTC time. By death toll By magnitude By month February March April May June July List * 1996 Sulawesi earthquake (M7.9, Jan 1) * 1996 Lijiang earthquake (M7.0, Feb 3) * 1996 Biak earthquake (M8.1, Feb 17) * 1996 Chimbote earthquake (M7.4, Feb 21) * 1996 Baotou earthquake The 1996 Baotou earthquake () occurred on May 3, 1996, at 11:32 local time (03:32 UTC). The epicenter was located near Baotou, Inner Mongolia, China. It had a magnitude of 6.4. The earthquake killed 26 people, injured 453, and left 196,633 hom ... (M6.4, May 3) * 1996 Nazca earthquake (M7.5, Nov 12) References {{Earthquakes in 1996 * 1996 1996 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Seismic Intensity Scales
Seismic intensity scales categorize the intensity or severity of ground shaking (quaking) at a given location, such as resulting from an earthquake. They are distinguished from seismic magnitude scales, which measure the magnitude or overall strength of an earthquake, which may, or perhaps may not, cause perceptible shaking. Intensity scales are based on the observed effects of the shaking, such as the degree to which people or animals were alarmed, and the extent and severity of damage to different kinds of structures or natural features. The maximal intensity observed, and the extent of the area where shaking was felt (see isoseismal map, below), can be used to estimate the location and magnitude of the source earthquake; this is especially useful for historical earthquakes where there is no instrumental record. Ground shaking Ground shaking can be caused in various ways (volcanic tremors, avalanches, large explosions, etc.), but shaking intense enough to cause damage is usuall ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Seismic Magnitude Scales
Seismic magnitude scales are used to describe the overall strength or "size" of an earthquake. These are distinguished from seismic intensity scales that categorize the intensity or severity of ground shaking (quaking) caused by an earthquake at a given location. Magnitudes are usually determined from measurements of an earthquake's seismic waves as recorded on a seismogram. Magnitude scales vary on what aspect of the seismic waves are measured and how they are measured. Different magnitude scales are necessary because of differences in earthquakes, the information available, and the purposes for which the magnitudes are used. Earthquake magnitude and ground-shaking intensity The Earth's crust is stressed by tectonic forces. When this stress becomes great enough to rupture the crust, or to overcome the friction that prevents one block of crust from slipping past another, energy is released, some of it in the form of various kinds of seismic waves that cause ground-shaking, o ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ground Displacement
In seismology, surface rupture (or ground rupture, or ground displacement) is the visible offset of the ground surface when an earthquake rupture along a fault affects the Earth's surface. Surface rupture is opposed by buried rupture, where there is no displacement at ground level. This is a major risk to any structure that is built across a fault zone that may be active, in addition to any risk from ground shaking. Surface rupture entails vertical or horizontal movement, on either side of a ruptured fault. Surface rupture can affect large areas of land. __TOC__ Lack of surface rupture Not every earthquake results in surface rupture, particularly for smaller and deeper earthquakes. In some cases, however, the lack of surface effects is because the fault that moved does not reach the surface. For example, the 1994 Northridge earthquake had a moment magnitude of 6.7, caused major damage in the Los Angeles area, occurred at below the Earth's surface, but did not cause surface ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Reverse Fault
In geology, a fault is a planar fracture or discontinuity in a volume of rock across which there has been significant displacement as a result of rock-mass movements. Large faults within Earth's crust result from the action of plate tectonic forces, with the largest forming the boundaries between the plates, such as the megathrust faults of subduction zones or transform faults. Energy release associated with rapid movement on active faults is the cause of most earthquakes. Faults may also displace slowly, by aseismic creep. A ''fault plane'' is the plane that represents the fracture surface of a fault. A ''fault trace'' or ''fault line'' is a place where the fault can be seen or mapped on the surface. A fault trace is also the line commonly plotted on geologic maps to represent a fault. A ''fault zone'' is a cluster of parallel faults. However, the term is also used for the zone of crushed rock along a single fault. Prolonged motion along closely spaced faults can blur the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Seismic Microzonation
Seismic microzonation is defined as the process of subdividing a potential seismic or earthquake prone area into zones with respect to some geological and geophysical characteristics of the sites such as ground shaking, liquefaction susceptibility, landslide and rock fall hazard, earthquake-related flooding, so that seismic hazards at different locations within the area can correctly be identified. Microzonation provides the basis for site-specific risk analysis, which can assist in the mitigation of earthquake damage. In most general terms, seismic microzonation is the process of estimating the response of soil layers under earthquake excitations and thus the variation of earthquake characteristics on the ground surface. Regional geology can have a large effect on the characteristics of ground motion.Seed, H. B. and Schnabel, P. B., 1972. Soil and Geological Effects on Site Response During Earthquakes. Proc. of First International Conf. on Microzonation for Safer Construction – ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Peak Ground Acceleration
Peak ground acceleration (PGA) is equal to the maximum ground acceleration that occurred during earthquake shaking at a location. PGA is equal to the amplitude of the largest absolute acceleration recorded on an wikt:accelerogram, accelerogram at a site during a particular earthquake. Earthquake shaking generally occurs in all three directions. Therefore, PGA is often split into the horizontal and vertical components. Horizontal PGAs are generally larger than those in the vertical direction but this is not always true, especially close to large earthquakes. PGA is an important parameter (also known as an intensity measure) for earthquake engineering, The design basis earthquake ground motion (DBEGM) is often defined in terms of PGA. Unlike the Richter magnitude scale, Richter and Moment magnitude scale, moment magnitude scales, it is not a measure of the total seismic scales#Magnitude and intensity, energy (magnitude, or size) of an earthquake, but rather of how hard the earth shake ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
1667 Dubrovnik Earthquake
The 1667 Dubrovnik earthquake was one of the three most devastating earthquakes to hit what is now modern Croatia in the last 2,400 years, since records began. The entire city was almost destroyed and around 3,000 to 5,000 people were killed. The city's Rector Simone Ghetaldi was killed and over three quarters of all public buildings were destroyed. At the time, Dubrovnik was the capital of the Republic of Ragusa. The earthquake marked the beginning of the end of the Republic. Tectonic setting Dubrovnik's region is located in the eastern part of the Adriatic Sea and is a narrow strip of land, dotted by a series of bays, with the Dinaric Alps in the background, and hundreds of islands along the coast. The city of Dubrovnik was built in the most seismically active area in Croatia, which makes earthquakes the strongest in the whole country. It is the only Croatian town that is shown in red on the seismic map, which means that it is exposed to potential hazard of the strongest earth ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
