Janβ€―15β€―2022

πŸŒ‹ Hunga Tonga–Hunga HaΚ»apai eruption

  • Earthquake
  • Tsunami
  • Ashfall
  • Infrastructure collapse

Devastation

πŸ’§ Water contamination
🌾 Crops wiped out
πŸ”§ Infrastructure damaged

The Challenge

⏱️ Rapid response
🧭 Long-term recovery planning

The Advantage

πŸ“ Tonga had already mapped 11,000+ farms
πŸ“² With QField + QFieldCloud

Digital Shift

πŸ“‹ From paper to digital
πŸ“± QField since 2019
☁️ QFieldCloud sync enabled team coordination

Training & Rollout

πŸ‘₯ Staff trained online & in-field
πŸ—ΊοΈ VavaΚ»u pilot β†’ island-wide mapping

Nationwide Survey

πŸ“ ’Eua, HaΚ»apai, Tongatapu
πŸ‘©β€πŸŒΎ 40+ collectors
πŸ—ΊοΈ 12,000+ features: crops, livestock, fallow

Smarter Fieldwork

πŸ›°οΈ EO guided location selection
πŸ“² QField ground-truthed parcel data

Local Ownership

πŸ‘¨β€πŸŒΎ Farmers engaged
πŸ“ˆ Dashboards supported local planning

Then the Eruption

πŸ”₯ Disaster struck
πŸ†˜ QField-enabled data became lifeline

Pivot to Crisis Mapping

🌍 Internet outages
πŸ“‹ Community leader interviews
πŸ“‘ QFieldCloud supported low-bandwidth syncing

Rapid Response

πŸ“Š Damage assessments
🌱 Targeted recovery plans
πŸ“¦ Seed & aid distribution tracked

Open Source, Big Impact

🌍 A model for climate-vulnerable nations
🌱 Built for low-resources, high-resilience

πŸ“² QField + QFieldCloud: from planning to recovery

Key takeaway

🌱 Early mapping = faster response
🀝 Community-driven tech = resilience
πŸ“ˆ Open tools, lasting impact