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Victoria University Antarctic Research Expedition Science and Logistics Reports 1978-79: VUWAE 23
FIG. 4. Number of earthquakes of all types at Erebus volcano per day (in 5 dB ranges) versus seismic energy, for 1974 and 1978. The number of small earthquakes and slope (b) of the curve were similar in 1974 and 1978. The excess number of larger earthquakes (mostly observed explosions) was less in 1978 than 1974
FIG. 4. Number of earthquakes of all types at Erebus volcano per day (in 5 dB ranges) versus seismic energy, for 1974 and 1978. The number of small earthquakes and slope (b) of the curve were similar in 1974 and 1978. The excess number of larger earthquakes (mostly observed explosions) was less in 1978 than 1974.