TOKYO, Feb 19 : Oil prices eased in early Asia trade on Thursday, following the previous day's 4 per cent jump, as investors assessed efforts by the U.S. and Iran to resolve tensions while both sides have stepped up military activity in the key oil-producing region. Brent futures fell 12 cents, or 0.2 per cent to $70.23 a barrel by 0110 GMT, while U.S. West Texas Intermediate (WTI) crude slipped 8 cents, or 0.1 per cent, to trade at $65.11 a barrel. Both benchmarks settled more than 4 per cent