A strong earthquake registered by the Japan Meteorological Agency (JMA) as M6.6 hit off the coast of Miyagi Prefecture, Honshu, Japan at 01:27 UTC (10:27 JST) on May 1, 2021. The agency is reporting a depth of 60 km (37 miles). USGS is reporting M6.8 at a depth of 47 km (29 miles), EMSC M6.8 at a depth of 60 km.
The epicenter was located 38 km (24 miles) ESE of Ishinomaki (population 117 233), 45 km (28 miles) ESE of Yamoto (population 32 028) and 70 km (44 miles) E of Sendai (population 1 063 103), Miyagi, Japan.
There are 2 450 000 people living within 100 km (62 miles).
1 309 000 people are estimated to have felt strong shaking and 1 166 000 light.
The USGS issued a green alert for shaking-related fatalities and economic losses. There is a low likelihood of casualties and damage.
Overall, the population in this region resides in structures that are resistant to earthquake shaking, though vulnerable structures exist. The predominant vulnerable building types are heavy wood frame and reinforced/confined masonry construction.
This earthquake poses no tsunami risk, JMA said.
Image credit: TW/SAM, Google
Estimated population exposure to earthquake shaking
Selected cities exposed
Featured image credit: TW/SAM, Google
If you value what we do here, create your ad-free account and support our journalism.
Your support makes a difference
Dear valued reader,
We hope that our website has been a valuable resource for you.
The reality is that it takes a lot of time, effort, and resources to maintain and grow this website. We rely on the support of readers like you to keep providing high-quality content.
If you have found our website to be helpful, please consider making a contribution to help us continue to bring you the information you need. Your support means the world to us and helps us to keep doing what we love.
Support us by choosing your support level – Silver, Gold or Platinum.
Other support options include Patreon pledges, one-off payments using PayPal and purchasing products from our webshop.
Thank you for your consideration. Your support is greatly appreciated.