Pre-earthquake magnetic pulses

Scoville, J.; Heraud, J.; Freund, F.

doi:https://doi.org/10.5194/nhess-15-1873-2015

Articles | Volume 15, issue 8

https://doi.org/10.5194/nhess-15-1873-2015

© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/nhess-15-1873-2015

© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 15, issue 8

Research article

|

20 Aug 2015

Research article |

| 20 Aug 2015

Pre-earthquake magnetic pulses

J. Scoville, J. Heraud, and F. Freund

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Final revised paper (published on 20 Aug 2015)
Preprint (discussion started on 09 Dec 2014)

Interactive discussion

Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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- Supplement

EC C2966: 'Recent results', Fabrizio Masci, 06 Jan 2015
- AC C3015: 'Response to comment from F. Masci', John Scoville, 13 Jan 2015
  - EC C3029: 'Reply to J. Scoville', Fabrizio Masci, 14 Jan 2015
    - AC C3033: 'Reply to F. Masci', John Scoville, 14 Jan 2015
      - EC C3041: 'Reply to J. Scoville', Fabrizio Masci, 15 Jan 2015
- AC C3020: 'Comment from F. Freund', John Scoville, 13 Jan 2015
  - EC C3027: 'Reply to F. Freund', Fabrizio Masci, 14 Jan 2015
- AC C3156: 'Comment from J. Heraud', John Scoville, 21 Jan 2015
  - EC C3162: 'Reply to Heraud and Scoville', Fabrizio Masci, 21 Jan 2015
RC C3294: 'Comments', Anonymous Referee #1, 04 Feb 2015
- AC C3302: 'Phenomenology', John Scoville, 05 Feb 2015
SC C3308: 'Reply to Anonymous Referee #1', John Derr, 05 Feb 2015
- EC C3310: 'Editor comments', Fabrizio Masci, 06 Feb 2015
  - AC C3330: 'reply to comments', John Scoville, 06 Feb 2015
  - AC C3332: 'reply to comments', John Scoville, 06 Feb 2015
SC C3337: 'Reply to Fabrizio Masci', John Derr, 07 Feb 2015
EC C3348: 'Comments', Fabrizio Masci, 09 Feb 2015
- AC C3372: 'Reply to F. Masci', John Scoville, 10 Feb 2015
RC C3768: 'on the NHESS- 2014-253', Anonymous Referee #2, 24 May 2015
- AC C3808: 'Response to the comments of Referee #2', John Scoville, 17 Jun 2015

Short summary

A semiconductor model of rocks is shown to describe unipolar magnetic pulses, a phenomenon that has been observed prior to earthquakes. These pulses are suspected to be generated deep in the Earth's crust, in and around the hypocentral volume, days or weeks before earthquakes. Their extremely long wavelength allows them to pass through kilometers of rock, and the source of the pulses may be triangulated to pinpoint locations where stresses are building deep within the Earth.