On Jan. 3, the USGS reported magnitude 5.5 and 5.7 earthquakes in the Rift Valley of central Ethiopia ... have been displaced so far. No new lava flows or ash so far, but a hydrothermal explosion ...

Most of Ethiopia's borders have been delimited ... In the northern half of the Great Rift Valley flows the Awash River, on which the government has built several dams to generate power and ...