Annemarie Christophersen


Full Name: Annemarie Christophersen

Position: Hazard and Risk Scientist

Contact details

Email me here
Phone: +64-4-570 4772


1996: Diplom-Physikerin; equivalent to master's degree in physics; 2000: PhD

Areas of expertise

Geophysics: CO2 Sequestration Risk Assessment
Geophysics: Earthquake hazard modelling
Geophysics: Hazard and risk assessment
Geophysics: Time Varying Hazard
Technical: Bayesian Network Modelling
Technical: Expert elicitation

Professional activities

Australasian Bayesian Network Modelling Society: Board member
Collaboratory for the Study of Earthquake Predictability: Contributor

Major publications

Rastin, S.J.; Rhoades, D.A.; Christophersen, A. 2021 Space-time trade-off of precursory seismicity in New Zealand and California revealed by a medium-term earthquake forecasting model. Applied Sciences (Basel, Switzerland), 11(21): article 10215; doi: 10.3390/app112110215

Rhoades, D.A.; Christophersen, A.; Bourguignon, S.; Ristau, J.; Salichon, J. 2021 A depth-dependent local magnitude scale for New Zealand earthquakes consistent with moment magnitude. Bulletin of the Seismological Society of America, 111(2): 1056-1066; doi: 10.1785/0120200252

Becker, J.S.; Potter, S.H.; McBride, S.K.; Doyle, E.E.H.; Gerstenberger, M.C.; Christophersen, A. 2020 Forecasting for a fractured land : a case study of the communication and use of aftershock forecasts from the M7.8 2016 Kaikoura earthquake in Aotearoa New Zealand. Seismological Research Letters, 91(6): 3343–3357; doi: 10.1785/0220190354

Rhoades, D.A.; Rastin, S.J.; Christophersen, A. 2020 The effect of catalogue lead time on medium-term earthquake forecasting with application to New Zealand data. Entropy, 22(11): article 1264; doi: 10.3390/e22111264

Rhoades, D.A.; Christophersen, A. 2019 Time-varying probabilities of earthquake occurrence in central New Zealand based on the EEPAS model compensated for time-lag. Geophysical Journal International, 219(1): 417-429; doi: 10.1093/gji/ggz301

Cattania, C.; Werner, M.J.; Marzocchi, W.; Hainzl, S.; Rhoades, D.A.; Gerstenberger, M.C.; Liukis, M.; Savran, W.; Christophersen, A.; Helmstetter, A.; Jimenez, A.; Steacy, S.; Jordan, T.H. 2018 The forecasting skill of physics-based seismicity models during the 2010-2012 Canterbury, New Zealand, earthquake sequence. Seismological Research Letters, 89(4): 1238-1250; doi: 10.1785/0220180033

Christophersen, A.; Deligne, N.I.; Hanea, A.M.; Chardot, L.; Fournier, N.; Aspinall, W.P. 2018 Bayesian Network modeling and expert elicitation for probabilistic eruption forecasting : pilot study for Whakaari/ White Island, New Zealand. Frontiers in Earth Science, 6: article 211; doi: 10.3389/feart.2018.00211

Rhoades, D.A.; Christophersen, A.; Gerstenberger, M.C.; Liukis, M.; Silva, F.; Marzocchi, W.; Werner, M.J.; Jordan, T.H. 2018 Highlights from the first ten years of the New Zealand Earthquake Forecast Center. Seismological Research Letters, 89(4): 1229-1237; doi: 10.1785/0220180032

Christophersen, A.; Rhoades, D.A.; Colella, H.V. 2017 Precursory seismicity in regions of low strain rate : insights from a physics-based earthquake simulator. Geophysical Journal International, 209(3): 1513-1525; doi: 10.1093/gji/ggx104

Hainzl, S.; Christophersen, A. 2017 Testing alternative temporal aftershock decay functions in an ETAS framework. Geophysical Journal International, 210(2): 585-593; doi: 10.1093/gji/ggx184

Kaiser, A.E.; Balfour, N.J.; Fry, B.; Holden, C.; Litchfield, N.J.; Gerstenberger, M.C.; D'Anastasio, E.; Horspool, N.A.; McVerry, G.H.; Ristau, J.; Bannister, S.; Christophersen, A.; Clark, K.J.; Power, W.L.; Rhoades, D.A.; Massey, C.I.; Hamling, I.J.; Wallace, L.M.; Mountjoy, J.; Kaneko, Y.; Benites, R.A.; Van Houtte, C.; Dellow, G.D.; Wotherspoon, L.; Elwood, K.; Gledhill, K.R. 2017 The 2016 Kaikoura, New Zealand, earthquake : preliminary seismological report. Seismological Research Letters, 88(3): 727-739; doi: 10.1785/0220170018

Rhoades, D.A.; Christophersen, A. 2017 Magnitude conversion of earthquake rate forecasts. Bulletin of the Seismological Society of America, 107(6): 3037-3043; doi: 10.1785/0120170225

Rhoades, D.A.; Christophersen, A.; Gerstenberger, M.C. 2017 Multiplicative earthquake likelihood models incorporating strain rates. Geophysical Journal International, 208(3): 1764-1774; doi: 10.1093/gji/ggw486

Stirling, M.W.; Bebbington, M.; Brenna, M.; Cronin, S.; Christophersen, A.; Deligne, N.I.; Hurst, A.W.; Jolly, A.D.; Jolly, G.E.; Kennedy, B.; Kereszturi, G.; Lindsay, J.; Neall, V.; Procter, J.; Rhoades, D.A.; Scott, B.J.; Shane, P.; Smith, I.; Smith, R.; Wang, T.; White, J.D.L.; Wilson, C.J.N.; Wilson, T. 2017 Conceptual development of a national volcanic hazard model for New Zealand. Frontiers in Earth Science, 5: article 51; doi: 10.3389/feart.2017.00051

Gerstenberger, M.C.; Christophersen, A. 2016 A Bayesian network and structured expert elicitation for Otway Stage 2C : detection of injected CO2 in a saline aquifer. International Journal of Greenhouse Gas Control, 51: 317-329; doi: 10.1016/j.ijggc.2016.05.011

Hainzl, S.; Christophersen, A.; Rhoades, D.A.; Harte, D.S. 2016 Statistical estimation of the duration of aftershock sequences. Geophysical Journal International, 205(2): 1180-1189; doi: 10.1093/gji/ggw075

Rhoades, D.A.; Liukis, M.; Christophersen, A.; Gerstenberger, M.C. 2016 Retrospective tests of hybrid operational earthquake forecasting models for Canterbury. Geophysical Journal International, 204(1): 440-456; doi: 10.1093/gji/ggv447

Christophersen, A.; Litchfield, N.J.; Berryman, K.R.; Thomas, R.; Basili, R.; Wallace, L.M.; Ries, W.F.; Hayes, G.P.; Haller, K.M.; Yoshioka, T.; Koehler, R.D.; Clark, D.; Wolfson-Schwehr, M.; Boettcher, M.S.; Villamor, P.; Horspool, N.A.; Ornthammarath, T.; Zuniga, R.; Langridge, R.M.; Stirling, M.W.; Goded, T.; Costa, C.; Yeats, R. 2015 Development of the Global Earthquake Model's neotectonic fault database. Natural hazards, 79(1): 111-135; doi: 10.1007/s11069-015-1831-6

Gerstenberger, M.C.; Christophersen, A.; Buxton, R.; Nicol, A. 2015 Bi-directional risk assessment in carbon capture and storage with Bayesian Networks. International Journal of Greenhouse Gas Control, 35: 150-159; doi: 10.1016/j.ijggc.2015.01.010

Rhoades, D.A.; Christophersen, A.; Gerstenberger, M.C. 2015 Multiplicative earthquake likelihood models based on fault and earthquake data. Bulletin of the Seismological Society of America, 105(6): 2955-2968; doi: 10.1785/0120150080

Rhoades, D.A.; Gerstenberger, M.C.; Christophersen, A.; Zechar, J.D.; Schorlemmer, D.; Werner, M.J.; Jordan, T.H. 2014 Regional earthquake likelihood models II : information gains of multiplicative hybrids. Bulletin of the Seismological Society of America, 104(6): 3072-3083; doi: 10.1785/0120140035

Christophersen, A.; Smith, E.G.C. 2008 Foreshock rates from aftershock abundance. Bulletin of the Seismological Society of America, 98(5): 2133-2148

Hainzl, S.; Christophersen, A.; Enescu, B. 2008 Impact of earthquake rupture extensions on parameter estimations of point-process models. Bulletin of the Seismological Society of America, 98(4): 2066-2072

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