SHILLONG: It takes a big jolt to shake citizens out of their complacency. But repeated tremors in the past two days have put people on notice. The tremor that shook Shillong at dawn on Monday was serious enough to make the authorities of a local school do an earthquake drill. Children were asked to take shelter under the table and told that was what they should do in case an earthquake strikes.

As per data received from Upper Shillong Central Seismological Observatory (CSO), in the last nine years, from 2000 to 2008, as many as 187 tremors have shaken Shillong city.