Šim darbam šodien ir īpaša akcijas cena! *
- Parastā cena:
- € 4,99
- Akcijas cena:
- € 4,34
- € 0,65 (13%)
Earthquakes & volcanic activity
Earthquakes often occur in volcanic regions and are cause there, both by tectonic faults and the movement of magma in volcanoes.
Size and frequency of occurrence
500,000 earthquakes a year;
Since 1900, there have been an avarage of 18 major earthquakes and one great earthquake per year;
Most of the world’s eartquakes take place in horseshoe-shaped zone called the circum-Pacific seismic belt.
E-pasta adrese, uz kuru nosūtīt darba saiti:
Saite uz darbu: