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Home > Weather and Earthquakes > Tsunami Warnings/Advisories, Tsunami Information

Tsunami Information (High Tide Time and Estimated Tsunami Arrival Time at each place)

Tsunami Information

This Tsunami Information was issued in the past
Occurred at 10:43 JST 20 Apr 2015
Region name Yonagunijima Kinkai
Depth very shallow
Magnitude 6.8
Click the map to zoom in

Tsunami Forecast Region/
Tsunami Observation Site
High Tide TimeEstimated Initial
Tsunami Arrival Time
MIYAKOJIMA AND YAEYAMA AREA(*1)
Iriomotejima08:13 JST 20 Apr11:10 JST 20 Apr
Yonagunijima Kubura07:55 JST 20 Apr(*1)
Ishigakijima Ishigaki-ko20:43 JST 20 Apr11:10 JST 20 Apr
Miyakojima Hirara20:53 JST 20 Apr11:40 JST 20 Apr

Tsunami Information
(High Tide Time and Estimated Tsunami Arrival Time at each place)

Issued at 10:48 JST 20 Apr 2015

High Tide Time and Estimated Tsunami Arrival Time at each place

Careful attention advised if a tsunami arrives at high tide, as this boosts the height of waves.

Tsunami Forecast Region/
Tsunami Observation Site
High Tide TimeEstimated Initial
Tsunami Arrival Time
<Tsunami Advisory>
  MIYAKOJIMA AND YAEYAMA AREA ( Area where
  tsunami is expected to arrive first )
(*1)
    Iriomotejima08:13 JST 20 Apr11:10 JST 20 Apr
    Yonagunijima Kubura07:55 JST 20 Apr(*1)
    Ishigakijima
    Ishigaki-ko
20:43 JST 20 Apr11:10 JST 20 Apr
    Miyakojima Hirara20:53 JST 20 Apr11:40 JST 20 Apr
 
*1 mark: Arrival of tsunami inferred.

Major Tsunami Warnings, Tsunami Warnings and/or Advisories are currently in effect for the following coastal regions of Japan:

<Tsunami Advisory>
  MIYAKOJIMA AND YAEYAMA AREA

Although there may be slight sea-level changes in coastal regions other than the above, no tsunami damage is expected in those coastal regions.

Earthquake Information
Occurred at 10:43 JST 20 Apr 2015
Region name YONAGUNIJIMA KINKAI
Latitude23.9N
Longitude122.5E
Depth very shallow
Magnitude 6.8