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

Tsunami Information (Tsunami Observations)

Tsunami Information

This Tsunami Information was issued in the past
Occurred at 07:54 JST 17 Sep 2015
Region name Western South America
Depth Unknown
Magnitude 8.3
Initial Tsunami Observation
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Maximum Tsunami Observation

Tsunami Information
(Tsunami Observations)

Issued at 06:51 JST 18 Sep 2015

Tsunami Observations
As of 06:50 JST

Miyako
  Initial Tsunami Arrival TimeArrival of initial tsunami unconfirmed.
  Current Maximum Tsunami Observation06:16 JST 18 Sep0.1 m
Kuji-ko
  Initial Tsunami Arrival TimeArrival of initial tsunami unconfirmed.
  Current Maximum Tsunami Observation06:25 JST 18 Sep0.1 m
Chichijima Futami
  Initial Tsunami Arrival TimeArrival of initial tsunami unconfirmed.
  Current Maximum Tsunami Observation06:11 JST 18 SepSlight

Tsunamis may become the maximum a few or more hours after the initial waves.
In some coastal regions, tsunamis higher than recorded ones may have arrived.
Tsunamis may be higher than those recorded at observation sites.

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

<Tsunami Advisory>
  EASTERN PART OF PACIFIC COAST OF HOKKAIDO
  CENTRAL PART OF PACIFIC COAST OF HOKKAIDO
  WESTERN PART OF PACIFIC COAST OF HOKKAIDO
  JAPAN SEA COAST OF AOMORI PREF.
  PACIFIC COAST OF AOMORI PREF.
  IWATE PREF.
  MIYAGI PREF.
  FUKUSHIMA PREF.
  IBARAKI PREF.
  KUJUKURI AND SOTOBO AREA, CHIBA PREF.
  UCHIBO AREA, CHIBA PREF.
  TOKYO BAY
  IZU ISLANDS
  OGASAWARA ISLANDS
  SAGAMI BAY AND MIURA PENINSULA
  SHIZUOKA PREF.
  PACIFIC COAST OF AICHI PREF.
  ISE BAY AND MIKAWA BAY
  SOUTHERN PART OF MIE PREF.
  WAKAYAMA PREF.
  TOKUSHIMA PREF.
  BUNGO STRAIT COAST OF EHIME PREF.
  KOCHI PREF.
  SETONAIKAI COAST OF OITA PREF.
  BUNGO STRAIT COAST OF OITA PREF.
  MIYAZAKI PREF.
  EASTERN PART OF KAGOSHIMA PREF.
  TANEGASHIMA AND YAKUSHIMA AREA
  AMAMI ISLANDS AND TOKARA ISLANDS
  WESTERN PART OF KAGOSHIMA PREF.
  OKINAWA ISLANDS
  DAITOJIMA AREA
  MIYAKOJIMA AND YAEYAMA AREA

Although there may be slight sea-level changes in some coastal regions, no tsunami damage is expected.

Earthquake Information
Occurred at 07:54 JST 17 Sep 2015
Region name WESTERN SOUTH AMERICA
Latitude31.5S
Longitude072.0W
Depth Unknown
Magnitude 8.3