evening. the magnitude 5.4 quake was centered east of los angeles near borrego springs. it was along the san yeah sin default. though it didn t cause any major damage it did rattle nerves. it sent people scrambling out of buildings and made a mess in stores. several aftershocks soon followed. easterners hoping for relief from the heat wave today will be disappointed. more humidity is expected with just a dip in temperatures. the sweltering heat wave is taking an especially heavy toll on the elderly. at least two nursing homes had to be evacuated after power outages blew out their air conditioning systems. the intense heat slowed down commuter trains throughout the east. as a precaution, some trains had to slow down while some routes were canceled, fearing that rails and tracks might warp in the heat. the heat wave is putting enormous pressure on the power grid as well. utilities are begging customers to conserve. millions in the east cannot wait for the historic heat wa