1978 Miyagi earthquake
... that the extent of damage to buildings in the 1978 Miyagi earthquake caused revisions to both the Japanese Building Standards act and the Earthquake Insurance System?
... that the extent of damage to buildings in the <b id="mwEZ8"><a href="./1978_Miyagi_earthquake" id="mwEaA" rel="mw:WikiLink" title="1978 Miyagi earthquake">1978 Miyagi earthquake</a></b> caused revisions to both the Japanese Building Standards act and the <a href="./Earthquake_insurance#Japan" id="mwEaE" rel="mw:WikiLink" title="Earthquake insurance">Earthquake Insurance System</a>?