Earthquakes

DEPTHS AND MAGNITUDES Two earthquakes in our catalogue have an unknown depth represented by -9 km. Many earthquakes have undetermined magnitudes represented by -9.0. This is either because: No reliable estimate can be made from these pre-instrumental events, though they will have been felt; or Insufficient stations calibrated for magnitude recorded the earthquake.

Sample Properties

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properties:{} 22 keys
- name:"2019p589418"
- publicid:"2019p589418"
- eventtype:"earthquake"
- origintime:"2019-08-07T02:02:02.109Z"
- modificationtime:"2019-08-07T02:05:15.099Z"
- longitude:"173.08813480"
- latitude:"-42.83722687"
- magnitude:"2.18059399"
- depth:"8.16823483"
- magnitudetype:"M"
- depthtype:""
- evaluationmethod:"LOCSAT"
- evaluationstatus:"confirmed"
- evaluationmode:"manual"
- earthmodel:"iasp91"
- usedphasecount:"18"
- usedstationcount:"11"
- magnitudestationcount:7
- minimumdistance:"0.13585898"
- azimuthalgap:"134.30905910"
- originerror:"0.66059976"
- magnitudeuncertainty:"0.00000000"