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INTRODUCTION <br />the natural environment and the rational management of development and future population <br />growth. <br />1.2 THE PLANNING CHALLENGE <br />If Puna continues to develop at the present rate within the framework of the extensive <br />subdivisions, [here will be several types of significant, long-term consequences: <br />• An incteasing number of people and property improvements aze being put at risk due <br />to natural hazards. All of Puna lies within the three most hazardous geological risk <br />zones:~,LFl, LF2 and LF3. About 6,400 subdivision lots lie in the highest hazazd <br />zone, LFI, and over 500 of these aze exposed to additional risks from subsidence, <br />tsunami and earthquakes. That 2,038 lots in the lower hazard zone LF2 have been <br />covered or cut off by lava flows in recent decades underscores the hazazdous nature <br />of much of the district. <br />Figure 1-2:,~ Geological Risk Zones Relative to Populated Areas and Subdivisions <br />1-4 <br />