1. Amount and rate of the outflow of lava in the 1987 Izu-Oshima eruption;Hayakawa;The Earth Monthly,1987
2. Strain changes observed by the borehole strainmeter at Izu-Oshima (3). Relevant to the eruption at Izu-Oshima in 1986;Japan Meteorological Agency;Rep. Coord. Comm. Earthquake Predict.,1987
3. Earthquake Prediction;Mogi,1985
4. Ground water microtemperature in earthquake regions;Shimamura;Pure Appl. Geophys.,1984
5. Changes in groundwater level and chemical composition;Wakita,1982