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Earthquakes Fast Facts

Earthquakes Fast Facts
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Earthquakes Fast Facts | NewsChannel 3-12

Earthquakes Fast Facts | NewsChannel 3-12
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Alaska Peninsula unscathed after 8 2 quake - The Cordova Times

Alaska Peninsula unscathed after 8 2 quake - The Cordova Times
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Rat islandsUnited statesChignik bayAlaska peninsulaChignik lagoonDivision of homeland securityAlaska earthquake centerAlaska earthquakeHomeland securityEmergency managementரட் தீவுகள்ஒன்றுபட்டது மாநிலங்களில்சிக்னிக் வளைகுடாஅலாஸ்கா தீபகற்பம்சிக்னிக் குளம்பிரிவு ஆஃப் தாயகம் பாதுகாப்பு

Quake info: Moderate mag 5 0 earthquake - Bering Sea, USA, on 24 Apr 12:30 am (GMT -9)

More info Based on its magnitude, the fault that was active during the quake ruptured along a surface of approx. 10 km 2 (=4 sqare miles) as a first-order estimate. The length of the rupture zone thus was probably around 5 km (3 mi). Aftershocks typically occur during the days and weeks following the quake at or near the same fault, at distances of up to approx. two times the length of the rupture zone. The often broadly linear arrangement of aftershock epicenters encompasses the rupture zone of the main shock (check on the map below to verify). Recorded aftershocks, latest first (0 quakes so far, frequently updated):

Rat islandsUnited statesAleutian islandsBering seaUnited states geologicalLittle sitkinAttu stationUnited states geological surveyModified mercalli intensityரட் தீவுகள்ஒன்றுபட்டது மாநிலங்களில்அலெனுட்டித்தான் தீவுகள்பெரிங் கடல்ஒன்றுபட்டது மாநிலங்களில் புவியியல்ஆட்டு நிலையம்ஒன்றுபட்டது மாநிலங்களில் புவியியல் கணக்கெடுப்பு

Wavering Ash Emissions At Semisopochnoi Volcano Prompt Fluctuations In AVO Alert Levels

Credit Courtesy of the Alaska Volcano Observatory Scientists have downgraded the alert level for an Aleutian volcano that began showing an increase in signs of eruption and emitting harmful ash late last week. According to Dave Schneider, a geophysicist with the Alaska Volcano Observatory, over the last several weeks, satellites and pressure sensor data revealed ramped up activity at Semisopochnoi Volcano, which is located on an uninhabited island in the Rat Islands about 600 miles southwest of Unalaska. Scientists detected steady ash emissions coming from the volcano Thursday, prompting them to upgrade the aviation color code to red and alert level to warning.

Rat islandsUnited statesDave schneiderAlaska volcanoAlaska volcano observatorySemisopochnoi volcanoSemisopochnoi volcanoHeat islandsAlaska volcano observatoryAleutian islandsரட் தீவுகள்ஒன்றுபட்டது மாநிலங்களில்டேவ் ஶ்நைடர்அலாஸ்கா எரிமலைஅலாஸ்கா எரிமலை கண்காணிப்பு