the sea water could cause toxic gases. so far the air is safe to breathe and the lava is now forming a new delta off la palma. and this is the scene in hawaii as one of the most active volcanos is erupting once again. observers noticed lava spewing from the volcano wednesday hours after increased seismic activity. officials say it is not a present danger to nearby residents on hawaii's big island. the most recent eruption began last december and continued for five months. now, tropical storm warnings are up for bermuda as hurricane sam gets closer. it is a powerful cat-3 storm and is expected to cause some high waves along parts of the u.s. east coast later this weekend. let's get more on that and the other tropical storm in the atlantic. cnn's derek van dam has more. derek. >> that's right, isa. hurricane sam still a major category 4 hurricane as it churns over the central atlantic. we still have victor to talk about as well.