geom_timeline: Geom for plotting a time line of earthquakes

In volansys/earthquake-visualization: Functions for work with the NOAA Significant Earthquakes dataset

Description

This function plots a time line of earthquakes from data generated by U.S. National Oceanographic and Atmospheric Administration (NOAA) database.

Usage

geom_timeline(data, xmindate, xmaxdate, country = c("USA"))

Arguments

data	A preproccessed tibble (data.frame) of NOAA earthquakes dataset
xmindate	a character vector indicating the mininum date specified for earthquakes time line plotting. Should follow the format of YYYY-MM-DD.
xmaxdate	a character vector indicating the maximum date specified for earthquakes time line plotting. Should follow the format of YYYY-MM-DD.
country	a vector of character strings for the countries of interest. By default it shows earthquake data related to USA.

Value

This function returns a ggplot

Examples

NOAA_clean_data = eq_clean_data("https://www.ngdc.noaa.gov/nndc/struts/results?type_0=Exact&query_0=$ID&t=101650&s=13&d=189&dfn=signif.txt")
geom_timeline(NOAA_clean_data, xmindate = "1999-01-01", xmaxdate = "2017-12-31", country = c("CHINA", "USA", "JAPAN"))

volansys/earthquake-visualization documentation built on May 3, 2019, 6:40 p.m.