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Only a few previous observations of very low O3 mixing ratios in the upper troposphere are availa...
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In the days following the January 12, 2010 Mw 7 Haiti earthquake the shaking intensity near the e...
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The 2017 North Korean nuclear test gave rise to seismic and low-frequency acoustic signals, i.e. ...
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We have used the LOw-Frequency ARray (LOFAR) to image a few lightning flashes during a particular...
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