Please enable JavaScript.
Coggle requires JavaScript to display documents.
tectonics EQ3 - Coggle Diagram
tectonics EQ3
predicting volcanoes
-
sophisticated monitoring equipment on volcanoes can be measure changes as magma chambers fill and eruptions nears.
tiltmeteres and strain metres record volcanoes 'bulging' as magma rises and seismometres record minot earthquakes indicate magma movement.
-
the minimal death toll from volcanic eruptions (despite 60-80 eruptions per year) can be mainly attributed to vastly improved prediction of these events
-
predicting tsunamis
-
-
however, seismometers can tell and earthquake has occured and locate it, then ocean monitoring equipment can detect tsunami in the open sea
this information can be relayed to coastal areas, which can be evacuated.
-
mega-disaster examples
-
2011 japanese tsunami
only japan was directly affected, but the economic impacts had global consequences. impacts: disruption to ports, factories and power supplies had impacts for the global car-production supply chain and those of boeing jets and semiconductors used in modern electronics. in addition the accompanying nuclear meltdown disaster and fukushima was a catalyst in germany abandoning its nuclear energy programme.
-
predicting earthquakes
-
only areas at high risk can be identified (risk forecasting). plus ares that are likely to suffer severe ground shaking and liquefaction; this can be done for land -use zoning purposes.
seismic gasps i.e. areas that have not experienced an earthquake for some time and are 'overdue' can point to areas of high risk.
-
-