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M5.4 – Tonga

Monday, April 20, 2009 at 20:02:23 UTC
Tuesday, April 21, 2009 at 09:02:23 Local
Globe at -15 -175. Click to view event page.

15.3°S 173.56°W
Depth: 10km

  1. Maps
  2. Graphs
  3. Responses
  4. Downloads
City map City: Nukuʿalofa Intensity: II Responses: 1 City: Tafuna Intensity: III Responses: 1 City: Apia Intensity: III Responses: 1
Intensity vs. DistanceResponses vs. Time
Summary of Responses by Zip
LocationMMIResp.Distance
Apia, Apia Urban Area, Samoa31253
Nukuʿalofa, Tongatapu, Tonga21669
Tafuna, Western, American Samoa31324
  • City mapJPG | PDF | PSMap of responses by city or ZIP code
  • Intensity vs. DistanceJPG | PSPlot of Attenuation (fall-off) with distance for each intensity versus its distance from the epicenter
  • Responses vs. TimeJPG | PSPlot of total number of responses since the event
  • Product ListXMLList of available DYFI maps and data for this event
  • Intensity SummaryTXT | XMLTable of intensities aggregated by city or ZIP code