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2011年3月3日星期四

冰島24小時800次地震打擊;Krisuvik火山展示活動跡象

Correction: ACTIVE -- Iceland volcano Krisuvik, 800+ quakes TODAY.. wow! No eruption since 1340!
更正:活躍--冰島火山Krisuvik--今天800+次地震..哇! 自1340年以來沒有爆發!

2011-02-27


冰島24小時400次地震打擊;Krisuvik火山展示活動跡象
Iceland hit by 400 earthquakes in 24 hour, Krisuvik volcano show activity

By eye– February 27, 2011
Posted in: Earth changes, Seismic activities, Volcanoes
Translation by Autumnson Blog

After four days of continues earthquake activity it appears that Krísuvík volcano has stepped up it’s activity by a order of magnitude. Since midnight there have been over 400 earthquakes in Krísuvík volcano. The activity is continuing when this is written and does not show any signs of slowing down at this moment. Geologist in Iceland are expecting more earthquakes in this area over the next hours and even earthquakes that are larger then ML3.0 in size.
在連續四天的地震活動後,看來 Krísuvík火山已由一個數量級加強它的活動,自午夜Krísuvík火山已經有超過400次地震,活動仍在繼續當寫這時及在這刻沒有顯示任何放緩跡象。冰島的地質學家預期在未來幾小時在這區有更多的地震,和甚至較大於ML3.0級的地震。
Earthquake location 27 Feb 15:40 GMT
2月27日格林尼治標準時間15:40地震位置

The largest earthquakes where ML3.3 and ML3.7 in size. This is automatic size by the SIL system. The depth of the earthquakes was 4.7 km and 1.1 km according to the automatic SIL system. Due to high number of earthquakes the SIL system is putting earthquakes down all around the Reykjanes Peninsula. While there might be some earthquakes there, the number is not nearly as high as can be seen on the map. The earthquakes can be located by there low quality number.

Given the location and how this earthquake swarm is behaving by opinion of jonfr.com (Iceland volcano and earthquake blog) that this is due to a magma is pushing up the crust in this area. It remains a question of this is going to start a eruption or not. But the chances are growing for as long as this earthquake pattern holds up in Krísuvík volcano. If a eruption starts in Krísuvík volcano it is going to one of Hawaii type eruption, unless it is under water then it is going to be explosive for as long there is water getting into the crater. Last time there was a eruption in this area a 25 km long eruption fissure did form.

Time and magnitude of earthquake 27 Feb 15:40 GMT
2月27日格林尼治標準時間15:40的地震時間和震級

For now however all that can be done is to wait and see what happens. This earthquake swarm is going to continue for the next few hours and even days. The largest earthquakes can be seen on jonfr geophone sensors.
然而現在一切可以做的是等待及看看會發生什麼,這次地震群將在未來幾小時和甚至幾天繼續,最大的地震可在jonfr地震檢波傳感器被看到。
The Krísuvík volcanic system (also spelled Krysuvik) consists of a group of NE-SW-trending basaltic crater rows and small shield volcanoes cutting the central Reykjanes Peninsula west of Kleifarvatn lake. Several eruptions have taken place since the settlement of Iceland, including the eruption of a large lava flow from the Ogmundargigar crater row around the 12th century. The latest eruption at Krísuvík took place during the 14th century.

http://thewatchers.adorraeli.com/2011/02/27/iceland-hit-by-400-earthquakes-in-24-hour-krisuvik-volcano-show-activity/

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