Early aftershocks of the Mw6.8 Mid Niigata earthquake in Japan on 2004/10/23
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This sound file and image was generated by the Mw6.8 Mid Niigata earthquake in Japan on 2004/10/23 . The seismogram was recorded by a nearby borehole station NGOH, which belongs to the Japanese Hi-Net , one of the best seismic network in the world. Similar to the Parkfield example, it also show many early aftershocks that were not reported in the standard earthquake catalog. Early aftershocks of this event have been studied in detail by Bogdan Enescu at NIED, Japan (Enescu et al., JGR, 2007).
- Earthquake Music