UPDATE:

There are actually 4 Quake reporting projects ... I forgot La Red de Atrapa Sismos and there is the radioactivity project as well. So there are 5 projects that are non-computer intensive and you DON'T have to have sensors to run them.

After getting them all to 100 hours and qualifying them on WuProp I tried an experiment. You can run ALL 5 projects simultaneously without a problem and they use very little CPU power. So for those wanting to change color of their stars these are MUST RUN projects (IMHO)

When you get the hours to where you want them on one of the projects just ABORT the WU and then UPDATE the project. WuProp moves the hours from pending to valid hours run when the WU is reported ... it doesn't care if the WU finished normally or was aborted - it only cares if it was reported.