Strong earthquake jolts Tokyo; no tsunami risk or injuries
![Seismogram being recorded by a seismograph at the Weston Observatory in Massachusetts, USA. Credit: Wikipedia earthquake](https://scx1.b-cdn.net/csz/news/800a/2015/earthquake.jpg)
A strong earthquake shook Tokyo early Saturday morning, knocking books from shelves, but authorities said there was no risk of a tsunami.
There were no immediate reports of damage or injuries.
The magnitude-5.2 earthquake was 57 kilometers (35 miles) deep and was centered in Tokyo Bay, near Haneda Airport, the Japan Meteorological Agency said. It struck at 5:49 a.m.
Subway and train service was briefly interrupted for safety checks.
The agency warned that the quake could cause landslides following recent heavy rains.
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