NOA (National Observatory of Athens) is the Hellenic National Tsunami Warning Centre (NTWC) acting as...
NOA
NOA (National Observatory of Athens) is the Hellenic National Tsunami Warning Centre (NTWC) acting as...
| Location | 50°51′N 4°21′E1 |
| Area | 30,528 km2 3 |
| Coastline | 66.5 km* |
| Climate | Temperate; mild winters, cool summers; rainy, humid, cloudy |
| Terrain | |
| Population | 11,060,000 (2012)3 |
| Official Languages | Dutch, French, German1 |
| Natural Hazards | Flood, earthquake, tsunami and storm2 |