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USGS: M5.8 quake hits Kermadec Islands off New Zealand

Origin Lane: ecdoKermadec Islands, New Zealand

The USGS National Earthquake Information Center lists a reviewed M 5.8 earthquake in the Kermadec Islands, New Zealand, origin 30 August 2026 at 09:02:09 UTC (Sunday, 5:02 AM ET). Official coordinates: 30.1462°S, 177.8882°W, depth 35 km, event id us7000tcxn. ShakeMap intensity JPEG is an official USGS product (product timestamp 31 August 2026, 09:07 UTC / 5:07 AM ET). PAGER is green. Tsunami flag is 0. This is subduction-zone seismicity. It is not a pole reversal and not proof of ECDO.

Official USGS NEIC: 30.1462°S, 177.8882°W, event us7000tcxn. Not a reversal site.
USGS ShakeMap intensity for us7000tcxn, Kermadec Islands M5.8
Official USGS ShakeMap intensity.jpg for us7000tcxn. Not a Doom Signals redraw. JPEG confirmed (JFIF header). USGS ShakeMap
Magnitude
preferred M 5.8; status reviewed; event id us7000tcxn
Origin
2026-08-30 09:02:09 UTC = Sun Aug 30, 2026 5:02 AM ET
Location
30.1462°S, 177.8882°W; depth 35 km; Kermadec Islands, New Zealand
PAGER / tsunami
alert green; tsunami 0
Moment tensor (USGS Mww, preliminary, as in scout packet)
Mww 5.5; scalar moment 2.37E+17; percent DC 0.9098; derived depth 50.5 km
ShakeMap
maxMMI 4.295 (scout packet); intensity.jpg confirmed JPEG from USGS PDL

Kermadec Islands, New Zealand

USGS eventpage place string, us7000tcxn

Origin from USGS GeoJSON time 1788080529229. Coordinates are official NEIC, not estimated.

Why it matters

Strongest USGS-reviewed past-week M4.5+ event not already on live notes after Somalia M6, Ruteng, and Nepal. Official green PAGER. Keep ECDO off the USGS conclusion.

Sources

Official data. Not a forecast. Endtimes badge not used on this note.

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