A second volcanic eruption within a few weeks has begun in Iceland. On Sunday morning, live recordings from Icelandic radio station RÚV showed red-hot lava gushing out of a long fissure in the ground on the Reykjanes peninsula south-west of Reykjavík for the first time since mid-December. A few hours before the eruption, the Icelandic meteorological authority recorded a new series of intense earthquakes with more than 200 tremors. The most violent of these was a magnitude 3.5 in the early morning. The authority warned that magma was in motion beneath the Earth’s surface and that the probabilit…