Showing posts with label Earthquake GIS. Show all posts
Showing posts with label Earthquake GIS. Show all posts

Friday, September 21, 2012

Predicting Earthquake in Azerbaijan Using Satellite System

The Institute of Cybernetics of the National Academy of Sciences of Azerbaijan intends to create a system of forecasting the earthquake sources.

Institute’s head Telman Aliyev says that in the last two years it has been established 5 seismic telemetry stations for forecasting earthquakes.

"Today, through the stations operating in Gum Adasi, Siyazan, Neftchala, Shirvan and Naftalan, we can predict the earthquake for 15-20 hours before its start. 17 seismologists from Canada, Panama, Greece, Italy, Turkey, Russia, Ukraine, Uzbekistan, Turkmenistan and other countries have been involved in work at these stations. Today, we together with these expert seismologists will visit our nearby stations and in the coming months we will develop a new system for forecasting earthquakes. In the next stage we plan to develop a system to predict not only the fact of the origin of the earthquake, but the coordinates of the earthquake. To date, the system model has been created, but its putting into reality requires a certain time. We will implement this project in collaboration with the Ministry of Communications & IT of Azerbaijan, which provided us with telecommunication means to transmit the signals from the different stations to the single data processing center, where by performing proper analysis we can predict the coordinates of the expected quake," he said.

According to Aliyev, it is planned to install a new telemetry seismic station in Nakhchivan on the border with Iran and Turkey.

"In case one station is not enough for quake prediction, we will create some other stations in this region. All our stations have received patents of international organizations, German journal "Lambert" published the results of our research in a separate issue. In the future, together with the above-mentioned countries, we intend to create a network of earthquake prediction, controlled from satellite," he said.

SOURCE abc.az

Saturday, February 27, 2010

An 8.8 Earthquake Hit Chile

Chile Earthquake Details from USGS.

Magnitude: 8.8
Date-Time:

* Saturday, February 27, 2010 at 06:34:14 UTC
* Saturday, February 27, 2010 at 03:34:14 AM at epicenter
* Time of Earthquake in other Time Zones

Location: 35.846°S, 72.719°W
Depth: 35 km (21.7 miles) set by location program
Region: OFFSHORE MAULE, CHILE
Distances:

100 km (60 miles) NNW of Chillan, Chile
105 km (65 miles) WSW of Talca, Chile
115 km (70 miles) NNE of Concepcion, Chile
325 km (200 miles) SW of SANTIAGO, Chile

Summary:
This earthquake occurred at the boundary between the Nazca and South American tectonic plates. The two plates are converging at a rate of 80 mm per year. The earthquake occurred as thrust-faulting on the interface between the two plates, with the Nazca plate moving down and landward below the South American plate.

Coastal Chile has a history of very large earthquakes. Since 1973, there have been 13 events of magnitude 7.0 or greater. The February 27 shock originated about 230 km north of the source region of the magnitude 9.5 earthquake of May, 1960 – the largest earthquake worldwide in the last 200 years or more. This giant earthquake spawned a tsunami that engulfed the Pacific Ocean. An estimated 1600 lives were lost to the 1960 earthquake and tsunami in Chile, and the 1960 tsunami took another 200 lives among Japan, Hawaii, and the Philippines. Approximately 870 km to the north of the February 27 earthquake is the source region of the magnitude 8.5 earthquake of November, 1922. This great quake significantly impacted central Chile, killing several hundred people and causing severe property damage. The 1922 quake generated a 9-meter local tsunami that inundated the Chile coast near the town of Coquimbo; the tsunami also crossed the Pacific, washing away boats in Hilo harbor, Hawaii. The magnitude 8.8 earthquake of February 27, 2010 ruptured the portion of the South American subduction zone separating these two massive historical earthquakes.

A large vigorous aftershock sequence can be expected from this earthquake.

Tuesday, January 12, 2010

USGS: Twitter Earthquake Detector (TED)

[report] The U.S. Geological Survey is using funds from the American Recovery and Reinvestment Act to support a student who’s investigating social Internet technologies as a way to quickly gather information about recent earthquakes.

In this exploratory effort, the USGS is developing a system that gathers real-time, earthquake-related messages from the social networking site Twitter and applies place, time, and key word filtering to gather geo-located accounts of shaking. This approach provides rapid first-impression narratives and, potentially, photos from people at the hazard’s location. The potential for earthquake detection in populated but sparsely seismicly-instrumented regions is also being investigated.

Social Internet technologies are providing the general public with anecdotal earthquake hazard information before scientific information has been published from authoritative sources. People local to an event are able to publish information via these technologies within seconds of their occurrence. In contrast, depending on the location of the earthquake, scientific alerts can take between 2 to 20 minutes. By adopting and embracing these new technologies, the USGS potentially can augment its earthquake response products and the delivery of hazard information.

For more information on this project, please e-mail USGSted@usgs.gov or follow @USGSted on Twitter.