This is a collection of photographs of the Sidoarjo (or Lapindo) mud flow, near Surabaya on the island of Java in Indonesia. The flow started in May 2006 near an oil exploration drill site. While nobody can say for certain how the flow started, it seems likely that it was caused by the drilling and in particular by the lack of steel casing which is normally used in such drilling. In other words - "human error". The mud is expected to continue to flow for 30 or more years and is currently coming to the surface at a rate of up ... (more)