Ko je končno že kazalo, da se bodo Japonci lahko pobrali od naravne katastrofe, temu ni bilo tako. Danes so morali v prefekturi Miyagi vključiti sirene, ki opozarjajo na tsunamije. Tokratni epicenter potresa je bil približno 40 km pod vodno gladino, zgodil pa se je ob 23:32 po lokalnemu času. Več podatkov je spodaj:

Tsunami Forecast Region/ Tsunami Observation Site |
High Tide Time |
Estimated Tsunami Arrival Time |
| MIYAGI PREF. |
|
(*1) |
| Ishinomaki-shi Ayukawa |
05:08 JST 08 Apr |
23:40 JST 07 Apr |
| Sendai-ko |
05:13 JST 08 Apr |
00:10 JST 08 Apr |
| PACIFIC COAST OF AOMORI PREF. |
|
00:20 JST 08 Apr |
| Hachinohe |
04:52 JST 08 Apr |
00:40 JST 08 Apr |
| Mutsu-shi Sekinehama |
04:50 JST 08 Apr |
00:50 JST 08 Apr |
| Mutsuogawara-ko |
04:50 JST 08 Apr |
00:30 JST 08 Apr |
| IWATE PREF. |
|
(*1) |
| Miyako |
04:54 JST 08 Apr |
00:00 JST 08 Apr |
| Ofunato |
05:01 JST 08 Apr |
23:50 JST 07 Apr |
| Kamaishi |
05:03 JST 08 Apr |
00:00 JST 08 Apr |
| Kuji-ko |
04:54 JST 08 Apr |
00:20 JST 08 Apr |
| FUKUSHIMA PREF. |
|
23:50 JST 07 Apr |
| Iwaki-shi Onahama |
05:28 JST 08 Apr |
00:20 JST 08 Apr |
| Soma |
05:19 JST 08 Apr |
00:20 JST 08 Apr |
| IBARAKI PREF. |
|
00:20 JST 08 Apr |
| Oarai |
05:25 JST 08 Apr |
00:30 JST 08 Apr |
| Kamisu-shi Kashima-ko |
05:35 JST 08 Apr |
00:30 JST 08 Apr |
Tsunami Information NUMBER 2 (High Tide Time and Estimated Tsunami Arrival Time at each place)
Issued at 23:35 JST 07 Apr 2011
High Tide Time and Estimated Tsunami Arrival Time at each place Exercise extreme caution if a tsunami arrives at high tide, as this boosts the height of waves.
Tsunami Forecast Region/ Tsunami Observation Site |
High Tide Time |
Estimated Tsunami Arrival Time |
| <Tsunami Warning (Tsunami)> |
| MIYAGI PREF. |
|
(*1) |
| Ishinomaki-shi Ayukawa |
05:08 JST 08 Apr |
23:40 JST 07 Apr |
| Sendai-ko |
05:13 JST 08 Apr |
00:10 JST 08 Apr |
| <Tsunami Advisory> |
| PACIFIC COAST OF AOMORI PREF. |
|
00:20 JST 08 Apr |
| Hachinohe |
04:52 JST 08 Apr |
00:40 JST 08 Apr |
| Mutsu-shi Sekinehama |
04:50 JST 08 Apr |
00:50 JST 08 Apr |
| Mutsuogawara-ko |
04:50 JST 08 Apr |
00:30 JST 08 Apr |
| IWATE PREF. |
|
(*1) |
| Miyako |
04:54 JST 08 Apr |
00:00 JST 08 Apr |
| Ofunato |
05:01 JST 08 Apr |
23:50 JST 07 Apr |
| Kamaishi |
05:03 JST 08 Apr |
00:00 JST 08 Apr |
| Kuji-ko |
04:54 JST 08 Apr |
00:20 JST 08 Apr |
| FUKUSHIMA PREF. |
|
23:50 JST 07 Apr |
| Iwaki-shi Onahama |
05:28 JST 08 Apr |
00:20 JST 08 Apr |
| Soma |
05:19 JST 08 Apr |
00:20 JST 08 Apr |
| IBARAKI PREF. |
|
00:20 JST 08 Apr |
| Oarai |
05:25 JST 08 Apr |
00:30 JST 08 Apr |
| Kamisu-shi Kashima-ko |
05:35 JST 08 Apr |
00:30 JST 08 Apr |
*1 mark: Arrival of tsunami inferred.
Tsunami Warnings and/or Advisories are in currently effect for the following coastal regions of Japan: <Tsunami Warning (Tsunami)> MIYAGI PREF. <Tsunami Advisory> PACIFIC COAST OF AOMORI PREF. IWATE PREF. FUKUSHIMA PREF. IBARAKI PREF. 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 |
23:32 JST 07 Apr 2011 |
| Region name |
MIYAGI-KEN OKI |
| Latitude |
38.2N |
| Longitude |
142.0E |
| Depth |
about 40 km |
| Magnitude |
7.4 |
|