The State Departmented posted a report "The Growing Humanitarian Problem Posed by Aging and Poorly Maintained Munitions Storage Sites."

More than half of the accidents in the list of examples (15 out of 28) are in Eastern Europe, Russia and Central Asia as well as India and Afghanistan.

Since the 1990s, there have been an increasing number of catastrophic explosions at arms storage facilities around the world. The frequency of such incidents has increased as urban populations have expanded outward from city centers to the vicinity of what were often previously isolated depots. The Office of Weapons Removal and Abatement in the U.S. Department of State’s Bureau of Political-Military Affairs (PM/WRA) and the Department of Defense’s Defense Threat Reduction Agency remain committed to helping to confront this problem.

Since 2001, the United States has partnered with more than 30 countries to promote safe disposal of surplus and aging weapons and munitions, including more than 1.5 million small arms and light weapons, more than 90,000 tons of munitions, and approximately 32,700 man-portable air defense systems (MANPADS). In addition, U.S. experts have provided assistance to improve stockpile management practices. On several occasions, PM/WRA has also deployed its Quick Reaction Force to help other countries mitigate risks from potentially dangerous depots, as well as to safely remove and dispose of unexploded ordnance (UXO) following incidents at these facilities.

According to Small Arms Survey, there were 275 accidental explosions at munitions depots between January 1998 and July 2011, causing hundreds of fatalities, thousands of injuries, and tens of thousands of people to be displaced. As munitions deteriorate further, new tragedies will follow unless this problem is more widely acknowledged and addressed. These “dangerous depots” have the potential to create even more casualties on an annual basis than landmines and explosive remnants of war. Following are some examples of these incident

Among them is of course the explosion of the munitions depot in Abadan outside of Turkmenistan, where at least 15 people were killed but possibly many more. We never did get to the bottom of the death toll there with so many conflicting reports. Also, Ulyanovsk, where two firefighters died.