Survivors 'abandoned' Other commemorations are planned for Wednesday or Thursday in devastated hamlets nearby, from Accumoli to Pescara del Tronto, whose mayor recalled this week "we didn't know where to put all the dead".
The Italian Red Cross has called on Italy to observe 24 hours of social network silence with the hashtag #In Silenzio.
He praised the outpouring of support from Canadian-Italians for the rebuilding effort.
More than 45,000 aftershocks have since rattled the region, including a magnitude 6.6 quake in October, the biggest tremor to strike Italy for 36 years.
The bell tower of Amatrice, which had been badly damaged last year, finally collapsed on Wednesday, local media said.
It will all be built according to precise anti-seismic standards -- except Italians are well aware that such rules are often flaunted, and construction short-cuts have left large areas extremely vulnerable to quakes.
A relatively small 4.0-magnitude quake on Monday was enough to topple several houses on the island of Ischia off Naples, killing two people.