Quakes

Earthquake magnitude 5.5 (mww) in 12.434N 143.987E, depth 6 km at 130104Z may 11

Guam Region · USGS-USP000J1GR

issued: 2011-05-13 01:04Z
status: cancelled 2011-05-16 01:04Z
self-cancels: 2011-05-16 01:04Z
authority: USGS NEIC
sea: North Pacific Ocean
position: 12.434, 143.987
source: usgs · first seen 2026-09-03 15:13Z

Original warning text

GUAM REGION.
1. EARTHQUAKE MAGNITUDE 5.5 (MWW) IN 12.434N 143.987E, DEPTH 6 KM AT 130104Z MAY 11.
2. USGS EVENT USP000J1GR. https://earthquake.usgs.gov/earthquakes/eventpage/usp000j1gr

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Season · when earthquake & tsunami bulletins happen here

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Nearby now · within 120 nm

Hazardous operations 1400Z to 1359Z daily 01 thru 05 sep in areas bound by: a. 12-49.98N 145-00.00E,…Exercises · 17.6 nm
Hazardous operations 0100Z to 0800Z daily 01 and 02 sep in area bound by 13-10.00N 144-30.00E, 13-10.00N…Exercises · 40.1 nm
Hazardous operations 2200Z to 1000Z daily 30 aug thru 03 sep in area bound by 13-45.00N 144-19.59E,…Exercises · 76.7 nm
Uscg remote communication facility guam 13-29.00N 144-50.00E broadcast and communication services unreliableNav aids · 80.1 nm
Uscg remote communication facility guam 13-29.00N 144-50.00E hf NAVTEX and sitor services off airNav aids · 80.1 nm
Hazardous operations 0100Z to 1300Z daily 01 thru 03 sep in areas within: a. three miles of 13-27.00N…Exercises · 85.7 nm
Hazardous operations 0100Z to 0600Z daily 31 aug and 01 sep and 022000Z to 030800Z sep in area bound by…Exercises · 90.2 nm

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