block lava meaning in Hindi

Examples

1. These lavas are block lavas with flow ridges and levees.
2. None of the reports mention earthquakes or ash fall, though the crackling and banging sounds could be from block lavas ( a
   
   ).
3. A lava dome emerged inside the collapse scar subsequently . 1818 an eruption formed a block lava flow over half a year that travelled 2.5 km eastward.