Magnitud en la escala de Richter (logarítmica): cada incremento de 1 punto multiplica por ~32 la energía liberada. Colores: verde (M < 5, raramente causa daños), amarillo (5–5,9 moderado), naranja (6–6,9 fuerte), rojo (7+ grande, daño severo). Profundidad en kilómetros — cuanto más superficial (hasta ~70 km), mayor el impacto en la superficie. Fuente: USGS.
USGS (United States Geological Survey): US federal geological agency, founded in 1879. Operates the world's densest global seismographic network (~2,000 stations in 70 countries, ANSS program) and is the primary reference for earthquake data. Public domain.
Natural events tracked by NASA in near real-time: wildfires, severe storms, volcanoes, floods, droughts, sea ice, landslides and more. The icon shows the type of phenomenon. Magnitude, when available, appears in the source's unit — e.g. area in acres for wildfires. Source: NASA EONET.
NASA EONET (Earth Observatory Natural Event Tracker): a service of NASA's Earth Observatory that curates and publishes near real-time metadata of natural events worldwide, linked to the matching satellite imagery. Public domain (17 USC § 105).
Sobre os links deste bloco: cada evento aponta para a fonte oficial registrada pela NASA. Alguns eventos aparecem SEM link porque a fonte é o IRWIN (Integrated Reporting of Wildland-Fire Information — sistema de incêndios florestais dos Estados Unidos restrito às agências, que exige login); não faria sentido enviar o leitor a uma tela de acesso fechado. Outras fontes trazem dados brutos, porém públicos: o JTWC (Joint Typhoon Warning Center — centro de alerta de tufões da Marinha dos EUA) publica boletins de texto com a posição, a intensidade e a trajetória prevista do ciclone, em formato técnico; o NATICE (National Ice Center — centro nacional de gelo dos EUA) publica uma planilha CSV com todos os icebergs rastreados — para achar um específico, procure a linha com o nome mostrado (por exemplo, D33D). Fontes como o Smithsonian GVP (Global Volcanism Program — programa de vulcanismo global) abrem uma página comum.
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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