A 7.6 magnitude earthquake has struck near the Cayman Islands, issuing a tsunami warning. Categories: Abril ElfiCaribbean Seacayman islandscoastal evacuationearthquakeemergency responseGeorge Townhazard mitigationhondurasinternational alertnatural disasterOAN Newsroompuerto ricoseismic activityTodays HeadlinesTsunami Advisorytsunami warningU.S. Virgin Islandsusgs