Articles | Volume 22, issue 11
Nat. Hazards Earth Syst. Sci., 22, 3607–3639, 2022
https://doi.org/10.5194/nhess-22-3607-2022
Nat. Hazards Earth Syst. Sci., 22, 3607–3639, 2022
https://doi.org/10.5194/nhess-22-3607-2022
Research article
07 Nov 2022
Research article | 07 Nov 2022

Geologic and geodetic constraints on the magnitude and frequency of earthquakes along Malawi's active faults: the Malawi Seismogenic Source Model (MSSM)

Jack N. Williams et al.

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Interactive discussion

Status: closed

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on nhess-2021-306', Anonymous Referee #1, 16 Dec 2021
    • AC1: 'Reply on RC1', Jack Williams, 05 Apr 2022
  • RC2: 'Comment on nhess-2021-306', Luigi Ferranti, 19 Feb 2022
    • AC2: 'Reply on RC2', Jack Williams, 05 Apr 2022

Peer review completion

AR: Author's response | RR: Referee report | ED: Editor decision
ED: Reconsider after major revisions (further review by editor and referees) (05 Jun 2022) by Oded Katz
AR by Jack Williams on behalf of the Authors (01 Jul 2022)  Author's response    Author's tracked changes    Manuscript
ED: Referee Nomination & Report Request started (26 Jul 2022) by Oded Katz
RR by Anonymous Referee #3 (30 Aug 2022)
RR by H. Seebeck (31 Aug 2022)
RR by Anonymous Referee #5 (01 Sep 2022)
RR by Anonymous Referee #6 (06 Sep 2022)
ED: Publish subject to minor revisions (review by editor) (06 Sep 2022) by Oded Katz
AR by Jack Williams on behalf of the Authors (30 Sep 2022)  Author's response    Author's tracked changes    Manuscript
ED: Publish as is (11 Oct 2022) by Oded Katz
AR by Jack Williams on behalf of the Authors (13 Oct 2022)  Author's response    Manuscript
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Short summary
We use geologic and GPS data to constrain the magnitude and frequency of earthquakes that occur along active faults in Malawi. These faults slip in earthquakes as the tectonic plates on either side of the East African Rift in Malawi diverge. Low divergence rates (0.5–1.5 mm yr) and long faults (5–200 km) imply that earthquakes along these faults are rare (once every 1000–10 000 years) but could have high magnitudes (M 7–8). These data can be used to assess seismic risk in Malawi.
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