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  1. Multiplet events overlap in their focal fields (rupture zones), which can be up 100 kilometers across for magnitude 7.5 earthquakes. Doublets have been distinguished from triggered earthquakes, where the energy of the seismic waves triggers a distant earthquake

  2. The 2008 Iceland earthquake was a doublet earthquake that struck on 29 May at 15:46 UTC in southwestern Iceland. The recorded magnitudes of the two main quakes were 5.9 M w and 5.8 M w , respectively, giving a composite magnitude of 6.1 M w . [4]

    • 30 injuries
    • Iceland
  3. 2023年12月15日 · Under a Creative Commons license. open access. Highlights. •. 2021 doublet earthquakes occurred on the megathrust at the Kermadec subduction zone. •. Events are in the same location as a 1976 doublet, but slip distributions differ. •. Persistent asperities on megathrust are co-located with isolated sedimentary basin. •.

  4. Doublet earthquake. In seismology, doublet earthquakes – and more generally, multiplet earthquakes – were originally identified as multiple earthquakes with nearly identical waveforms originating from the same location. They are now characterized as single earthquakes having two (or more) main shocks of similar magnitude, sometimes ...

  5. 2010年8月19日 · The 2009 SamoaTonga great earthquake triggered doublet. Thorne Lay, Charles J. Ammon, Hiroo Kanamori, Luis Rivera, Keith D. Koper & Alexander R. Hutko. Nature 466 , 964–968 ( 2010) Cite this...

  6. 2017年3月31日 · Earthquake faulting at ~600 km depth remains puzzling. Here we present a new kinematic interpretation of two Mw7.6 earthquakes of November 24, 2015.