بزرگی در مقیاس ریشتر (لگاریتمی): هر یک واحد افزایش، انرژی آزادشده را حدود ۳۲ برابر میکند. رنگها: سبز (M < 5، بهندرت خسارتبار)، زرد (۵–۵٫۹ متوسط)، نارنجی (۶–۶٫۹ قوی)، قرمز (۷+ بزرگ، خسارت شدید). عمق به کیلومتر — هرچه کمعمقتر (تا حدود ۷۰ کیلومتر)، اثر سطحی بیشتر. منبع: USGS.
رویدادهای طبیعی که ناسا تقریباً بیدرنگ ردیابی میکند: آتشسوزی جنگل، توفان شدید، آتشفشان، سیل، خشکسالی، یخ دریا، رانش زمین و بیشتر. نماد نوع پدیده را نشان میدهد. بزرگی، در صورت وجود، به واحد منبع نمایش داده میشود — مثلاً مساحت به ایکر برای آتشسوزی. منبع: NASA EONET.
Met Office · 1854
SMN · 1872
IMD · 1875
JMA · 1875
AEMET · 1887
BOM · 1908
INMET · 1909
SAWS · 1912
Veðurstofa · 1920
Météo-France · 1922
CMA · 1949
WMO · 1950
DWD · 1952
NOAA NHC · 1965
NOAA · 1970
ECMWF · 1975
EUMETSAT · 1986
INPE/CPTEC · 1994
EPAGRI/CIRAM · 1997
Earth Nullschool · 2013
Windy · 2014
RainViewer · 2017
Open-Meteo · 2022
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