Earthquakes and there trail of disaster
the Sumatra was caused by and earthquake that was thought to have 23000 Hiroshima type atomic bombs.the earthquake caused a high usage of water so it sent a shock wave in every direction.
earthquake and tsunami
japan had a earthquake that sent 5 nuclear plants into meltdown shortly after the eruption of the earthquake it sent shock waves and this caused a tsunami.japan is still recovering from the earthquake now and over 230000 homes were lost and japans reconstruction agency said that some of japan residents are still living in temporary homes.
earthquakes can be more common by such disasters as meteor or the movement of the tech tonic plates.
how to know when earthquakes are inbound
seismologists know when earthquakes are inbound because they measure the rate.heat and of course ground starts to shake.
substances of volcano
the substances the emerge from a volcano is a lava substance which when underground before emerging is called magma.things that can cause an eruption such thing as meteor strikes and or the movement of tech tonic plates.
dorment and extinct volcano's
active volcanos are one that had erupted in the last ice age[the last 10,000],so an dormant volcano is one that has not erupted in the last 10,000 years,and a extinct volcano is meaning its it not going to erupt again.
Krakatoa was one of the most dead deadly volcanoes of the modern history this erupted aug 1883 it killed over 36,000 people mostly because of thermal injury and the rest died from the blast or tsunamis that occured at the same time eventually the volcano had collapsed below sea level.
Mount Vesuvius is a volcano that destroyed many roman cities .The location of this horrific volcano is Province of Naples,also mount Vesuvius experienced eight major eruptions in the past 17,000 79AD and this was well known for it was an ancient eruption.With ask,mud and rock had buried the city of Pompeii.
Mount Ruapehu is one of the biggest volcano's in NZ and one of the baddest.It erupted in about the last 250,000 years.Most of the major eruptions are about 50 years between each other.Eruptions in 1970's developed small ask fall.