This data is mainly for on-site monitoring and collection of micro-seismic wave signals generated when rock fracture or dislocation occurs in the slope body. For data collection, four three-component geophones (G1-G4) arranged on site transmit the picked signals to the collector, which converts the received analog signals into digital signals, and transmits the collected microseismic data to the control system through 4G wireless network. Waveform processing software Trace and Vantage were used to interpret and analyze the collected microseismic wave signals, so as to determine the location, magnitude, quantity and energy release of microseismic events. The spatial distribution and spatial-temporal evolution characteristics of microseismic events can be obtained through sorting and analysis of the data. Combined with the change law of historical parameters, the macroscopic fracture state of rock mass in different periods can be revealed, which provides a basis for the stability evaluation of The Baige slope.

File naming and required software

Microseismic data is stored in E file and s file format. The name under the events folder represents year, month, day and hour. For example, at 00:00 on March 5, 2021, the name of the file is "aa_bb_cccccccc. E", where AA represents minute, BB represents second and CCCCCC represents nanosecond, such as 01_ 02_ 262526006. E represents a microseismic event at 00:01:02 on March 5, 2021. The name under the sgrams folder represents year, month, day, hour and minute. For example, at 00:01 on March 5, 2021, the name of the file is "dd_fffffff_000g_0. S", where DD represents second, fffffff represents nanosecond, and 000G represents sensor number, such as 02_ 262526776_ 0006_ 0. S represents the microseismic event waveform transmitted by sensor G4 at 00:01:02 and 262526006 nanoseconds on March 5, 2021.
Data reading method: the e file and s file in the data set can be opened directly with trace software. The main content of e file is the occurrence time of microseismic event, and the main content of s file is the waveform information of microseismic event.

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Cite as:

Chen, F. (2022). Microseismic monitoring data of Baige landslide (2021). A Big Earth Data Platform for Three Poles, DOI: 10.11888/Terre.tpdc.272201. CSTR: 18406.11.Terre.tpdc.272201. (Download the reference： RIS | Bibtex )

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