Articles | Volume 12, issue 1
https://doi.org/10.5194/se-12-187-2021
https://doi.org/10.5194/se-12-187-2021
Research article
 | 
27 Jan 2021
Research article |  | 27 Jan 2021

A systems-based approach to parameterise seismic hazard in regions with little historical or instrumental seismicity: active fault and seismogenic source databases for southern Malawi

Jack N. Williams, Hassan Mdala, Åke Fagereng, Luke N. J. Wedmore, Juliet Biggs, Zuze Dulanya, Patrick Chindandali, and Felix Mphepo

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Latest update: 29 Feb 2024
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Short summary
Earthquake hazard is often specified using instrumental records. However, this record may not accurately forecast the location and magnitude of future earthquakes as it is short (100s of years) relative to their frequency along geologic faults (1000s of years). Here, we describe an approach to assess this hazard using fault maps and GPS data. By applying this to southern Malawi, we find that its faults may host rare (1 in 10 000 years)  M 7 earthquakes that pose a risk to its growing population.