Himalayan hazards are becoming more complex. Our warning systems need to catch up

• The exact timeline of the recent Nepal flooding disaster is becoming clearer.
• At 8:37 am, instruments recorded what was initially interpreted as an earthquake near Nepal’s border with China.
• Seven minutes later, CCTV recorded the Gyirong Port border post being destroyed by a massive debris flow and flood.
• Nepal’s flood authorities learned about the incident...