How can researchers add own catalogs to the database?Ī.
We do not provide waveform data and focus on earthquake catalog data specified by time and location. We decide each catalog's applicability based on scientific reasonability.Ī. We deal with not only slow earthquakes but also earthquakes that are inferred to be related to slow earthquakes including swarm and repeating earthquakes. What are "Related phenomena" in Map+DL?Ī. There is also the maximum number of data to be downloaded at once, which is ~60,000 events with the simplest format and ~10,000 events with full details. Please confirm the selected catalog’s coverage. You might be able to plot more data by selecting catalogs after fixing the time span, instead of changing the period after selecting catalogs.Ī. There is also the maximum number of data to be plotted at once, which is ~160,000 events. Please confirm the selected catalog’s time coverage. Why are no data plotted after selecting catalogs?Ī. Currently, data download is not supporting for Safari on Mac as well as the feature of showing individual policy by hovering the mouse pointer over catalog buttons. We develop the website using Chrome and Firefox on Mac. It can be either estimated by the analysis or fixed for the analysis.Ī. It can be origin time or centroid time, for example.Ģ The depth may be either estimated by authors or fixed for the analysis (e.g., on the plate interface).ģ The angles are defined as in Aki and Richards (1979, 2002).Ĥ For a finite fault, length and width are calculated along the strike and dip direction, respectively, from the reference point given by the latitude, longitude, and depth.ĥ The definition of duration may differ between catalogs. Mrr, mrt, mpp, mrt, mrp, mtp: moment tensor (Global CMT) (%9.2e)Įrr_x: uncertainty of latitude (%6.3f)Įrr_y: uncertainty of longitude (%6.3f)Įrr_lat: uncertainty of latitude (%7.5f)Įrr_lon: uncertainty of longitude (%7.5f)ġ The definition of the reference time may differ between catalogs. Timezone: time difference from Universal Time (%f5.1)
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