The Philippine Institute of Volcanology and Seismology earlier raised a Tsunami Alert Level 1 following the 8.8 magnitude earthquake that hit south-central Chile Saturday morning (afternoon in Manila). Phivolcs head Renato Solidum said if ever the tsunami triggered off Chile happens, it is expected to arrive between 1:30pm and 2 pm Sunday. (See update here)
Earthquake-generated tsunami (source)
An earthquake may generate a tsunami if the quake:
- occurs just below a body of water,
- is of moderate or high magnitude, and
- displaces a large-enough volume of water.
Most tsunamis are generated by underwater earthquakes