| 41. | The 1580 AD ?20 years eruption produced pyroclastic flows and probably formed its caldera.
|
| 42. | A volcano's other doomsday weapon is a pyroclastic flow.
|
| 43. | A pyroclastic flow in May 2016 killed 7 people.
|
| 44. | Fortunately for them, deadly superheated ash clouds, called pyroclastic flows, raced down Mayon's other side.
|
| 45. | There were three small internal explosions Wednesday, none powerful enough to cause any pyroclastic flows.
|
| 46. | The total volume of these pyroclastic flows is about.
|
| 47. | No pyroclastic flow deposits associated with the caldera and its geological records are poorly known.
|
| 48. | Pyroclastic flows can travel hundreds of kilometres an hour.
|
| 49. | The volcano is composed of andesite and rhyodacite lava flows along with pyroclastic flow deposits.
|
| 50. | Pyroclastic flows and lahars moved across the countryside.
|
