\begin{thebibliography}{22}
\providecommand{\natexlab}[1]{#1}
\providecommand{\url}[1]{\texttt{#1}}
\expandafter\ifx\csname urlstyle\endcsname\relax
  \providecommand{\doi}[1]{doi: #1}\else
  \providecommand{\doi}{doi: \begingroup \urlstyle{rm}\Url}\fi

\bibitem[Aplin(2006)]{Aplin2005}
Karen~L. Aplin.
\newblock Atmospheric electrification in the solar system.
\newblock \emph{Surveys in Geophysics}, 27\penalty0 (1):\penalty0 63--108,
  2006.
\newblock \doi{10.1007/s10712-005-0642-9}.

\bibitem[Bartlett(1946)]{Bartlett1946}
M.~S. Bartlett.
\newblock On the theoretical specification and sampling properties of
  autocorrelated time-series.
\newblock \emph{Journal of the Royal Statistical Society (Supplement)},
  8\penalty0 (1):\penalty0 27--41, 1946.
\newblock \doi{10.2307/2983611}.

\bibitem[Benjamini and Hochberg(1995)]{Benjamini1995}
Yoav Benjamini and Yosef Hochberg.
\newblock Controlling the false discovery rate: a practical and powerful
  approach to multiple testing.
\newblock \emph{Journal of the Royal Statistical Society: Series B},
  57\penalty0 (1):\penalty0 289--300, 1995.
\newblock \doi{10.1111/j.2517-6161.1995.tb02031.x}.

\bibitem[Bretherton et~al.(1999)Bretherton, Widmann, Dymnikov, Wallace, and
  Blade]{Bretherton1999}
Christopher~S. Bretherton, Martin Widmann, Valentin~P. Dymnikov, John~M.
  Wallace, and Ileana Blade.
\newblock The effective number of spatial degrees of freedom of a time-varying
  field.
\newblock \emph{Journal of Climate}, 12\penalty0 (7):\penalty0 1990--2009,
  1999.
\newblock \doi{10.1175/1520-0442(1999)012<1990:TENOSD>2.0.CO;2}.

\bibitem[Cleveland et~al.(1990)Cleveland, Cleveland, McRae, and
  Terpenning]{Cleveland1990}
Robert~B. Cleveland, William~S. Cleveland, Jean~E. McRae, and Irma Terpenning.
\newblock {STL}: A seasonal-trend decomposition procedure based on {LOESS}.
\newblock \emph{Journal of Official Statistics}, 6\penalty0 (1):\penalty0
  3--73, 1990.

\bibitem[Gardner and Knopoff(1974)]{GardnerKnopoff1974}
J.~K. Gardner and Leon Knopoff.
\newblock Is the sequence of earthquakes in southern {California}, with
  aftershocks removed, {Poissonian}?
\newblock \emph{Bulletin of the Seismological Society of America}, 64\penalty0
  (5):\penalty0 1363--1367, 1974.
\newblock \doi{10.1785/BSSA0640051363}.

\bibitem[Hodrick and Prescott(1997)]{HP1997}
Robert~J. Hodrick and Edward~C. Prescott.
\newblock Postwar {U.S.} business cycles: an empirical investigation.
\newblock \emph{Journal of Money, Credit and Banking}, 29\penalty0
  (1):\penalty0 1--16, 1997.
\newblock \doi{10.2307/2953682}.

\bibitem[Homola et~al.(2022)]{Homola2023}
Piotr Homola et~al.
\newblock Indication of correlation between cosmic-ray flux and global
  seismicity, 2022.
\newblock URL \url{https://arxiv.org/abs/2204.12310}.

\bibitem[Kanamori(1977)]{Kanamori1977}
Hiroo Kanamori.
\newblock The energy release in great earthquakes.
\newblock \emph{Journal of Geophysical Research}, 82\penalty0 (20):\penalty0
  2981--2987, 1977.
\newblock \doi{10.1029/JB082i020p02981}.

\bibitem[Kass and Raftery(1995)]{KassRaftery1995}
Robert~E. Kass and Adrian~E. Raftery.
\newblock Bayes factors.
\newblock \emph{Journal of the American Statistical Association}, 90\penalty0
  (430):\penalty0 773--795, 1995.
\newblock \doi{10.1080/01621459.1995.10476572}.

\bibitem[Kraskov et~al.(2004)Kraskov, St{\"o}gbauer, and
  Grassberger]{Kraskov2004}
Alexander Kraskov, Harald St{\"o}gbauer, and Peter Grassberger.
\newblock Estimating mutual information.
\newblock \emph{Physical Review E}, 69\penalty0 (6):\penalty0 066138, 2004.
\newblock \doi{10.1103/PhysRevE.69.066138}.

\bibitem[Odintsov et~al.(2006)Odintsov, Boyarchuk, Georgieva, Kirov, and
  Atanasov]{Odintsov2006}
Stanislav Odintsov, Kirill Boyarchuk, Katya Georgieva, Boian Kirov, and Dimitar
  Atanasov.
\newblock Long-period trends in global seismic and geomagnetic activity and
  their relation to solar activity.
\newblock \emph{Physics and Chemistry of the Earth}, 31\penalty0
  (1--3):\penalty0 88--93, 2006.
\newblock \doi{10.1016/j.pce.2005.03.004}.

\bibitem[Potgieter(2013)]{Potgieter2013}
Marius~S. Potgieter.
\newblock Solar modulation of cosmic rays.
\newblock \emph{Living Reviews in Solar Physics}, 10\penalty0 (1):\penalty0 3,
  2013.
\newblock \doi{10.12942/lrsp-2013-3}.

\bibitem[Pulinets and Boyarchuk(2004)]{Pulinets2004}
Sergey Pulinets and Kirill Boyarchuk.
\newblock Ionospheric precursors of earthquakes.
\newblock \emph{Springer}, 2004.

\bibitem[Ravn and Uhlig(2002)]{RahnUhlig2002}
Morten~O. Ravn and Harald Uhlig.
\newblock On adjusting the {Hodrick--Prescott} filter for the frequency of
  observations.
\newblock \emph{Review of Economics and Statistics}, 84\penalty0 (2):\penalty0
  371--376, 2002.
\newblock \doi{10.1162/003465302317411604}.

\bibitem[Schreiber and Schmitz(2000)]{Schreiber2000}
Thomas Schreiber and Andreas Schmitz.
\newblock Surrogate time series.
\newblock \emph{Physica D: Nonlinear Phenomena}, 142\penalty0 (3--4):\penalty0
  346--382, 2000.
\newblock \doi{10.1016/S0167-2789(00)00043-9}.

\bibitem[{SILSO World Data Center}(2024)]{SIDC2024}
{SILSO World Data Center}.
\newblock The international sunspot number.
\newblock Royal Observatory of Belgium, Brussels.
  \url{https://www.sidc.be/silso/datafiles}, 2024.

\bibitem[Stoupel(1990)]{Stoupel1990}
Eliyahu Stoupel.
\newblock Relationship between solar and seismic activity.
\newblock \emph{International Journal of Biometeorology}, 34\penalty0
  (4):\penalty0 231--235, 1990.
\newblock \doi{10.1007/BF01049646}.

\bibitem[Tavares and Azevedo(2011)]{Tavares2011}
Mario Tavares and Angelo Azevedo.
\newblock Influences of solar cycles on earthquakes.
\newblock \emph{Pattern Recognition in Physics}, 1\penalty0 (1):\penalty0
  1--11, 2011.

\bibitem[Theiler et~al.(1992)Theiler, Eubank, Longtin, Galdrikian, and
  Farmer]{Theiler1992}
James Theiler, Stephen Eubank, Andr{\'e} Longtin, Bryan Galdrikian, and
  J.~Doyne Farmer.
\newblock Testing for nonlinearity in time series: the method of surrogate
  data.
\newblock \emph{Physica D: Nonlinear Phenomena}, 58\penalty0 (1--4):\penalty0
  77--94, 1992.
\newblock \doi{10.1016/0167-2789(92)90102-S}.

\bibitem[Urata and Tanimoto(2018)]{Urata2018}
Naoyuki Urata and Toshiro Tanimoto.
\newblock Correlation between cosmic rays and seismicity: a case study in
  {Japan}.
\newblock \emph{Earth, Planets and Space}, 70\penalty0 (1):\penalty0 55, 2018.
\newblock \doi{10.1186/s40623-018-0826-5}.

\bibitem[{USGS Earthquake Hazards Program}(2024)]{USGS2024}
{USGS Earthquake Hazards Program}.
\newblock Earthquake catalogue via {FDSN} web service.
\newblock \url{https://earthquake.usgs.gov/fdsnws/event/1/}, 2024.

\end{thebibliography}