Significant Aftershocks Follow Powerful Japan Quake

Quake magnitude revised down to 7.1Mw, as significant aftershocks strike

Magnitude of the powerful earthquake that struck off Fukushima coast has been revised down to 7.1Mw by USGS/EHP.

The revised details are as follows

• Magnitude: 7.1Mw
• Time: 2013-10-26 02:10:16 UTC+09:00
• Location: 37.170°N, 144.665°E [475km (295mi) ENE of Tokyo, Japan]
• Depth: 10.0km

At least 4 significant aftershocks have occurred, as of posting, the largest of which measured 5.5Mw.

Meantime, the authorities evacuated the crippled Fukushima Power Plant, after Tsunami Advisories were issued.

The plant operator said on Saturday there was no damage or change in radiation levels at the station following the quake, according to reports.

A 30cm tsunami reached Japan’s east coast, NHK reported.

The quake reportedly shook buildings far away as Tokyo, about 230 km south of Fukushima nuclear plant, and 475km WSW of the epicenter.

Earthquake Location Map

Source: USGS/EHP

Related Links

• M 7.3 Quake Strikes Off the Pacific Coast of Japan October 25, 2013