The Atmosphere and Ocean De-Aliasing Level-1B (AOD1B) Product provides a priori information about temporal variations in the Earth's gravity field due to global mass variability in the Atmosphere and ocean. It is based on analysis and forecast data …

Correlation based geomagnetic field model of the holocene core field, based on archeomagnetic and volcanic data. ArchKalmag14k is constructed using methods from Bayesian statistics, in particular Gaussian processes and the Kalman filter, to reflect …

GFZ provides surface loading products including vertical and horizontal deformations of the crust imposed by surface loading of geophysical fluids in Atmosphere, oceans, and the continental hydrosphere. Products are provided with a spatial resolutio…

Geomagnetic field models of the last 3 to 10 kyrs based on archeo- and paleomagnetic data. This updated version of geomagnetic field description for the past 10 000 years is mainly based on the same data as CALS10k.1b. However, the model offers high…

The unified catalogue of earthquakes in central, northern, and northwestern Europe: Grünthal et al. (2009) published a catalogue for central, northern, and northwestern Europe with unified Mw for events with Mw ≥ 3.5 in the time frame 1000-2004. Thi…

DEKORP (Deutsches Kontinentales Reflexionsseismisches Programm) was carried out between 1984 - 1997 as the German national reflection seismic program funded by the Federal Ministry of Education, Science and Technology (BMFT), now Federal Ministry of…

The DIGIS geochemical data repository is a research data repository in the Earth Sciences domain with a specific focus on geochemical data. The repository archives, publishes and makes accessible user-contributed, peer-reviewed research data in stan…

The GFZ contributes to the Global Geophysical Fluid Center (GGFC) of the International Earth Rotation and Reference Systems Service (IERS) by providing matter and motion terms of effective angular momentum functions (EAM). EAMs are due to mass trans…

The Earthquake Model Central Asia (EMCA) was the GEM (Global Earthquake Model) regional program, coordinated by GFZ German Research Centre for Geosciences.

The EMCA (Earthquake Model Central Asia) catalogue (Mikhailova et al., 2015) includes inf…

EMEC-2021 is a catalogue of tectonic earthquakes for the broader Mediterranean area, harmonised into a single magnitude scale, Mw (Lammers, Steffi et al., 2023). It is an extended version of “The European-Mediterranean Earthquake Catalogue (EMEC) fo…

The European Macroseismic Scale (EMS-98) is the basis for assigning seismic intensities in European countries. The European Macroseismic Scale has been most recently updated in 1998 and is referred to as EMS

The history of the EMS began in 1988 w…

The ESA ESM is a synthetic model of the time-variable gravity field of the Earth suitable for satellite gravity mission simulation studies. The model is an update of the ESA Earth System Model as described by Gruber et al. (2011), and is also given …

The Specialised Information Service for Geosciences (FID GEO - Fachinformationsdienst Geowissenschaften) is an information service of the GFZ Helmholtz Centre for Geosciences in Potsdam (GFZ) and the Goettingen State and University Library. Funded b…

This data set provides a stochastic event set of flood inundation depth maps (fluvial flood hazard footprints) for the German part of the Danube catchment for current and future climate in GEOTIFF format..

The maps provide inundation depth inform…

Mt. Etna (Eastern Sicily), located in one of the most complex tectonic environments, is one of the most active and best monitored volcanoes around the world. It is characterized by multi-hazard activity that endangers the densely populated area. Act…

Central Asia is highly vulnerable to global warming and natural hazards. The region allows us to study not only changes and impact in the water cycle but also a broad range of other natural, often hazardous, phenomena. Central Asia is influenced by …

GEOFON operates the GFZ Seismological Data Archive, which facilitates access to data from the GEOFON stations, from GIPP passive experiments and from plate boundary observatories, as well as from many partner networks/institutions, providing a perma…

The GEOFON Earthquake Explorer is a world map of global seismicity located automatically using the global virtual seismic network. Detailed information including hypocenter coordinates and a location map are displayed for the last major earthquake.

All real time data streams from GEOFON stations as well as around 900 additional real-time stations from international partners are used to determine rapid automatic location estimates for all globally recorded earthquakes and most regional ones. Th…

The GEOMAGIA50 database is an international collaboration to provide easy access to published archeomagnetic/volcanic and sediment paleomagnetic and chronological data for the past 50,000 years. GEOMAGIA50 has been funded by the US National Science …

GFZ Data Services is a repository for research data and scientific software across the Earth System Sciences, hosted at GFZ. The curated data are archived, persistently accessible and published with digital object identifier (DOI). They range from l…

GGF100k is a global geomagnetic field model covering the past 100,000 years. It is the first model that provides a global view of the geomagnetic field evolution over an extended period. The model is based on an extensive global dataset of over 100 …

The GFZ supports the work of the International Heat Flow Commission (IHFC) of the IASPEI by providing thematic and technical support for the global heat flow database. We develop a new research data infrastructure for the IHFC Global Heat Flow Datab…

The "Geophysical Instrument Pool Potsdam (GIPP)" provides seismic, magnetotelluric and geodetic instruments and sensors for projects of GFZ groups, universities and other research facilities. It is hosted by Section 2.2 "Geophysical Imaging" and Se…

The GIPP Experiment and Data Archive is the platform for long-term archiving of geophysical experiment data and its supply to users. It contains metadata of all experiments supported by the "Geophysical Equipment Pool Potsdam" (GIPP) as well as data…

The magnetotelluric instruments are part of the "Geophysical Instrument Pool Potsdam(GIPP)" which means that the instruments are generally available for academic use to all German Universities. The allocation of the instruments is decided by the GFZ…

GNSS data from the geodetic receivers of global and regional ground networks are operationally analysed at GFZ in near-real time. The atmospheric data products, like zenith total delay and converted integrated water vapour above the ground stations,…

With the setup of global and regional GNSS networks and the IGS Analysis Centre in the early 1990s, GFZ has been implemented an „Operational Data Centre (ODC)” to handle the huge amount of data.

The ODC serves the preparation and quality manageme…

The GSHAP project was one of the global initiatives within the framework of the UN International Decade for Natural Disaster Reduction (IDNDR), declared by the United Nations General Assembly for the 1990s. Around 190 geoscientists from all continen…

The geomagnetic Hpo index is a Kp-like index with a time resolution of half an hour, called Hp30, and one hour, called Hp60. besides that, the Hpo index is not capped at 9 like Kp, but is an open ended index that describes the strongest geomagnetic …

The Indices of Global Geomagnetic Activity is a service contributing to the International Service of Geomagnetic Indices (ISGI) of the International Association of Geomagnetism and Aeronomy (IAGA) provided by the GFZ Helmholtz Centre for Geosciences…

The GFZ Helmholtz Centre for Geosciences operates and supports geomagnetic observatories worldwide. We provide unique and important scientific data for the investigation of Earth's interior (Earth's core and mantle) and near-Earth space (ionosphere …

The Groß Schönebeck geothermal research platform is located 50 kilometres north-east of Berlin on the southern edge of the North German Basin. Two research wells open up horizons at depths of between 3.9 and 4.4 kilometres at temperatures of around …

Service for assigning of localities in Germany (based on names or zip code) to seismic zones according to the earthquake resistant German Building Code DIN EN 1998-1/NA:2011-01, zonation map (former DIN 4149:2005-04) (only available in German and fo…

The Tidal Model forced by Ephemerides (Thomas et al., 2001; Weis et al., 2008) is a purely hydrodynamic, barotropic tidal simulation. After recent updates of bathymetric data, dissipation channels and the handling of Self-Attraction and Loading it i…

The Gravity Information Service (GravIS) visualizes and describes Level-3 products based on the most recent GRACE and GRACE-FO gravity field release from GFZ. The products presented at GravIS are available for download at GFZ's Information System a…

With the HOWAS 21 flood damage database, scientists at the GFZ German Research Centre for Geosciences have created a sound data basis for researching flood damage. This data is used to better understand how flood damage occurs and to assess the effe…

The International Association of Geodesy (IAG) is the scientific organization in the field of geodesy. It promotes scientific cooperation and research in geodesy on a global scale and contributes to it through its various research bodies. It is a me…

The International Continental Scientific Drilling Program (ICDP) is a multinational program to further and fund geosciences in the field of Continental Scientific Drilling. Scientific drilling is a critical tool in understanding of Earth processes a…

The determination of Earth’s global gravity field is one of the main tasks of geodesy: it serves as a reference for geodesy itself and provides essential information about the Earth, its interior and its fluid envelope for all geosciences. Thus, it …

The Doris (Doppler Orbitography and Radiopositioning Integrated by Satellite) system is a French satellite system used for precise orbit and positioning determination. It is based on the Doppler Effect principle consisting of a terrestrial beacon ne…

The International Earth Rotation and Reference Systems Service (IERS) was established in 1987 by the International Astronomical Union and the International Union of Geodesy and Geophysics. The primary objectives of the IERS are to serve the astronom…

The International Geodynamics and Earth Tide Service (IGETS) is one of five services coordinated by the International Gravity Field Service (IFGS) of the International Association of Geodesy (IAG). The main objective of IGETS is to monitor temporal …

IGFS is a unified “umbrella” IAG service, which: (i) Coordinates collection, validation, archiving and dissemination of gravity field related data (ii) Coordinates courses, information materials and general public outreach relating to the earth’s gr…

The International GNSS Service (IGS) is a service of the International Association of Geodesy (IAG). It provides Global Navigation Satellite Systems (GNSS) data and products with highest quality to the scientific community and beyond.

GFZ contri…

As one of the analysis centers of the International GNSS Service (IGS), we process thousands of GNSS observations daily to derive precise station coordinates, satellite orbits, satellite clock corrections and Earth rotation parameters. In line with …

After the successful first full reprocessing of the International GNSS Service (IGS), the Analysis Centers (ACs) of the IGS started the second reprocessing in 2010. The complete history of GPS data collected by the global IGS network since 1994 was …

The International Generic Sample Number (IGSN) is a globally unique and persistent identifier (PID) for unambiguous identification of physical samples and collections with discovery function in the internet. IGSNs are citable in scholarly literature…

The International Laser Ranging Service (ILRS) was established as one of the IAG measurement services in 1998, with a charter to organize and coordinate world-wide Satellite Laser Ranging (SLR) and Lunar Laser Ranging (LLR) activities to support pro…

INTERMAGNET is an international program to provide quality controlled geomagnetic observatory data through a website and an ftp-server. Both archive and near-real time data are provided. The INTERMAGNET observatories in Niemegk, Wingst, Tristan da C…

IPOC is an international network of institutions and scientists organising and operating a distributed system of instruments and projects dedicated to the study of the subduction system, its role in landscape evolution, and associated geohazards at …

The Information System and Data Center (ISDC) is an access point for diverse geoscientific data, corresponding metadata, scientific documentation and software tools. The majority of the data and information that are offered to the public are global …

Very Long Baseline Interferometry (VLBI) is a highly accurate technique, used since the 1970s in geodesy that has delivered groundbreaking scientific discoveries. This technique allows scientists to measure global distances with millimeter accuracy;…

Geomagnetic field models for the periode of 30 to 50 kyrs that contain the Laschamp and Mono Lake field excursions. The LSMOD models (current version LSMOD.2) represent the global evolution of the geomagnetic field for the time interval 50 to 30 ka.…

The Multi GNSS Experiment (MGEX) was initiated by the IGS in 2012. In MGEX all available signals of the new GNSS satellites are analysed. Currently, seven IGS analysis centers generate consistent and precise orbits and clock corrections of the new s…

Mag.num models are the series of recent GFZ high-precision geomagnetic core field models that rely on satellite magnetic field measurements, in particular on calibrated Swarm and CHAMP vector field and ground observatory data. The coefficients of th…

The Operational Support Group of the International Continental Scientific Drilling Program, ICDP, situated at GFZ, provides downhole logging services and access to utilize the ICDP instrument pool for PIs of successful ICDP proposals. ICDP is a prop…

The sources for the [magnetotelluric (MT) method](https://www.gfz.de/en/section/geophysical-imaging/topics/methoden-em) are naturally occurring electromagnetic field variations. Electromagnetic currents are excited over a wide frequency range in the…

The SHARE European Earthquake Catalogue (SHEEC) 1900-2006 has been compiled by GFZ Potsdam in the frame of an independant project and represents a temporal and spatial excerpt of "The European-Mediterranean Earthquake Catalogue" (EMEC) for the last …

Recognizing that the exploration and harnessing of magmatic and geothermal reservoirs involves many disciplines, the mission of “SMARTIES” is to implement a long-term observatory facility together with episodic field experiments for defining, testin…

Conditions on the Sun and in the solar wind, magnetosphere, ionosphere and thermosphere that can influence the performance and reliability of space-borne and ground-based technological systems and can affect human life. GFZ contributes to the develo…

The Northeastern German Lowland observatory (TERENO-Northeast) is part of the Helmholtz Association`s interdisciplinary, long-term research network of Terrestrial Environmental Observatories - TERENO representing typical landscapes in Central Europ…

Being a modern geodetic measuring method, GNSS (Global Navigation Satellite Systems) has reached an important role in geosciences. Within the scope of the Tide Gauge Benchmark Monitoring Working Group (TIGA-WG) of the IGS, GFZ analyses and reprocess…

The Varved Sediments Database (VARDA) provides standardized proxy records from annually resolved lake archives. All proxy records offer full quantification of age-uncertainty from state of the art age-depth modeling routines. VARDA is a service prov…

The World Stress Map (WSM) is a global compilation of information on the crustal present-day stress field maintained since 2009 at the GFZ Helmholtz Centre for Geosciences (Section 2.6 Seismic Hazard and Risk Dynamics). It is a collaborative project…

CASMO is the online interface to produce user-specific stress maps from the WSM database release along with your own stress data records. The stress maps will be provided for download in high quality (postscript, jpg, png or pdf file format) as a co…