Preliminary Early Report on the M7.8 - 27km SSE of Muisne, Ecuador of 16/04/2016 23:58:37 (UTC) tsunami
Laboratory of Remote Sensing and Geoinformatics for Disaster Management,
International Research Institute of Disaster Science, Tohoku University

Introduction

On 16/04/2016 23:58:37 (UTC) a M7.8 magnitude earthquake occurred 27km SSE of Muisne, Ecuador.

Preliminary Tsunami simulation results

Updated at Sun Apr 17 12:27:34 2016 (JST)

Initial conditions

Latitude: 0.371 deg

Longitude: -79.940 deg

Focal Depth: 19.20 (km)

Estimated Magnitude: 7.8

Parameters for simulation. Estimated from Papazachos(2004)

Length: 165.0 (km)

Width: 60.0 (km)

Slip: 1.4 (m)

The star shows the location of the epicenter. Click on the image to enlarge.

Propagation simulation

Tsunami numerical modeling is performed by using linear shalllow water theory on cartesian coordinates with bathymetry/topography grid data of 30 arc-sec from GEBCO.

Governing Equation : Linear Shallow Water Equations

Numerical Scheme : Leap-frog Finite Difference Method

Spatial Grid Size : 30 arc-sec

CLICK ON THE IIMAGE TO SEE THE ANIMATION (.MOV)

Tsunami propagation

Maximum inundation heights

Click on the image to enlarge