Estimated arrival times North American Pacific coast

The following list gives estimated times of arrival for locations along the North American Pacific coast from a tsunami generated at the given source location.

The list is ordered by arrival time starting with the earliest. Since tsunami speed is directly related to water depth, tsunami ETAs can be computed independent of
tsunami amplitude. THE LISTING OF A TSUNAMI ARRIVAL TIME BELOW DOES NOT INDICATE A WAVE IS IMMINENT. The listed arrival time is the initial wave arrival. Tsunamis can be dangerous for many hours after arrival, and the initial wave is not necessarily the largest.

 

Source:

Lat:     38.3N

Lng:     142.4E

Mag:    8.9

O-time: 0546UTC

Date:   MAR 11

 

Estimated times of initial tsunami arrival:

 

DART 21415                                      2340 AKST MAR 10  0840 UTC MAR 11

Attu, Alaska                                    0012 AKST MAR 11  0912 UTC MAR 11

Shemya, Alaska                                  0013 AKST MAR 11  0913 UTC MAR 11

DART 21414                                      0013 AKST MAR 11  0913 UTC MAR 11

Amchitka Pass, Alaska (125 miles W of Adak)     0026 AKST MAR 11  0926 UTC MAR 11

Amchitka, Alaska                                0029 AKST MAR 11  0929 UTC MAR 11

DART 46413                                      0051 AKST MAR 11  0951 UTC MAR 11

Atka, Alaska                                    0108 AKST MAR 11  1008 UTC MAR 11

Adak, Alaska                                    0110 AKST MAR 11  1010 UTC MAR 11

DART 46408                                      0111 AKST MAR 11  1011 UTC MAR 11

DART 46402                                      0138 AKST MAR 11  1038 UTC MAR 11

Nikolski, Alaska                                0151 AKST MAR 11  1051 UTC MAR 11

DART 46403                                      0212 AKST MAR 11  1112 UTC MAR 11

Akutan, Alaska                                  0217 AKST MAR 11  1117 UTC MAR 11

Dutch Harbor, Alaska                            0220 AKST MAR 11  1120 UTC MAR 11

Unimak Pass, Alaska (80 miles NE of Dutch Harbo 0228 AKST MAR 11  1128 UTC MAR 11

St. Paul, Alaska                                0231 AKST MAR 11  1131 UTC MAR 11

DART 46409                                      0253 AKST MAR 11  1153 UTC MAR 11

King Cove, Alaska                               0255 AKST MAR 11  1155 UTC MAR 11

Sand Point, Alaska                              0257 AKST MAR 11  1157 UTC MAR 11

Perryville, Alaska                              0319 AKST MAR 11  1219 UTC MAR 11

DART 46410                                      0319 AKST MAR 11  1219 UTC MAR 11

Cold Bay, Alaska                                0329 AKST MAR 11  1229 UTC MAR 11

Chignik Bay, Alaska                             0350 AKST MAR 11  1250 UTC MAR 11

Cape Suckling, Alaska (75 miles SE of Cordova)  0351 AKST MAR 11  1251 UTC MAR 11

Kodiak, Alaska                                  0351 AKST MAR 11  1251 UTC MAR 11

Old Harbor, Alaska                              0353 AKST MAR 11  1253 UTC MAR 11

Hinchinbrook Entrance, Alaska (90 miles E of Se 0401 AKST MAR 11  1301 UTC MAR 11

Seward, Alaska                                  0416 AKST MAR 11  1316 UTC MAR 11

Alitak, Alaska                                  0417 AKST MAR 11  1317 UTC MAR 11

Elfin Cove, Alaska                              0418 AKST MAR 11  1318 UTC MAR 11

Kennedy Entrance, Alaska (40 miles SW of Homer) 0420 AKST MAR 11  1320 UTC MAR 11

Yakutat, Alaska                                 0425 AKST MAR 11  1325 UTC MAR 11

Sitka, Alaska                                   0425 AKST MAR 11  1325 UTC MAR 11

Salisbury Sound, Alaska (25 miles NW of Sitka)  0426 AKST MAR 11  1326 UTC MAR 11

Saint Matthew Island, Alaska                    0426 AKST MAR 11  1326 UTC MAR 11

Cape Fairweather, Alaska (80 miles SE of Yakuta 0426 AKST MAR 11  1326 UTC MAR 11

Port Alexander, Alaska                          0427 AKST MAR 11  1327 UTC MAR 11

the Alaska/British Columbia border              0531  PST MAR 11  1331 UTC MAR 11

Valdez, Alaska                                  0435 AKST MAR 11  1335 UTC MAR 11

Langara Island, British Columbia                0535  PST MAR 11  1335 UTC MAR 11

Cordova, Alaska                                 0445 AKST MAR 11  1345 UTC MAR 11

Cape Decision, Alaska (85 miles SE of Sitka)    0447 AKST MAR 11  1347 UTC MAR 11

DART 46419                                      0600  PST MAR 11  1400 UTC MAR 11

Homer, Alaska                                   0508 AKST MAR 11  1408 UTC MAR 11

DART 46404                                      0617  PST MAR 11  1417 UTC MAR 11

the north tip of Vancouver Island, British Colu 0619  PST MAR 11  1419 UTC MAR 11

DART 46407                                      0625  PST MAR 11  1425 UTC MAR 11

Craig, Alaska                                   0526 AKST MAR 11  1426 UTC MAR 11

Ketchikan, Alaska                               0533 AKST MAR 11  1433 UTC MAR 11

Juneau, Alaska                                  0535 AKST MAR 11  1435 UTC MAR 11

DART 46411                                      0649  PST MAR 11  1449 UTC MAR 11

Gambell, Alaska                                 0558 AKST MAR 11  1458 UTC MAR 11

Tofino, British Columbia                        0658  PST MAR 11  1458 UTC MAR 11

the Washington-British Columbia border          0704  PST MAR 11  1504 UTC MAR 11

Prince Rupert, British Columbia                 0704  PST MAR 11  1504 UTC MAR 11

Neah Bay, Washington                            0710  PST MAR 11  1510 UTC MAR 11

Cape Blanco, Oregon                             0711  PST MAR 11  1511 UTC MAR 11

La Push, Washington                             0711  PST MAR 11  1511 UTC MAR 11

Clatsop Spit, Oregon                            0712  PST MAR 11  1512 UTC MAR 11

the Oregon-Washington border                    0712  PST MAR 11  1512 UTC MAR 11

Point Grenville, Washington                     0714  PST MAR 11  1514 UTC MAR 11

Port Moller, Alaska                             0614 AKST MAR 11  1514 UTC MAR 11

Charleston, Oregon                              0715  PST MAR 11  1515 UTC MAR 11

Cascade Head, Oregon (70 miles SW of Portland)  0716  PST MAR 11  1516 UTC MAR 11

Douglas/Lane County Line, Oregon (10 miles SW o 0717  PST MAR 11  1517 UTC MAR 11

Cape Mendocino, California                      0717  PST MAR 11  1517 UTC MAR 11

Tillamook Bay, Oregon                           0718  PST MAR 11  1518 UTC MAR 11

Horse Mountain, California (50 miles SW of Eure 0719  PST MAR 11  1519 UTC MAR 11

Fort Bragg, California                          0721  PST MAR 11  1521 UTC MAR 11

Humboldt Bay, California                        0722  PST MAR 11  1522 UTC MAR 11

the Oregon-California border                    0723  PST MAR 11  1523 UTC MAR 11

Crescent City, California                       0723  PST MAR 11  1523 UTC MAR 11

Seaside, Oregon                                 0724  PST MAR 11  1524 UTC MAR 11

Westport, Washington                            0725  PST MAR 11  1525 UTC MAR 11

Newport, Oregon                                 0726  PST MAR 11  1526 UTC MAR 11

Point Arena, California                         0726  PST MAR 11  1526 UTC MAR 11

Gualala Point, California (80 miles NW of San F 0727  PST MAR 11  1527 UTC MAR 11

Point Reyes, California                         0739  PST MAR 11  1539 UTC MAR 11

Davenport, California (10 miles NW of Santa Cru 0739  PST MAR 11  1539 UTC MAR 11

Point Sur, California                           0742  PST MAR 11  1542 UTC MAR 11

Astoria, Oregon                                 0744  PST MAR 11  1544 UTC MAR 11

Monterey, California                            0744  PST MAR 11  1544 UTC MAR 11

Port Angeles, Washington                        0748  PST MAR 11  1548 UTC MAR 11

Ragged Point, California (45 miles NW of San Lu 0750  PST MAR 11  1550 UTC MAR 11

DART 46412                                      0752  PST MAR 11  1552 UTC MAR 11

Point Concepcion, California                    0757  PST MAR 11  1557 UTC MAR 11

Port San Luis, California                       0803  PST MAR 11  1603 UTC MAR 11

Bella Bella, British Columbia                   0805  PST MAR 11  1605 UTC MAR 11

San Francisco, California                       0808  PST MAR 11  1608 UTC MAR 11

Cape Newenham, Alaska                           0716 AKST MAR 11  1616 UTC MAR 11

Santa Barbara, California                       0817  PST MAR 11  1617 UTC MAR 11

Rincon Point, California (15 miles SE of Santa  0828  PST MAR 11  1628 UTC MAR 11

Santa Monica, California                        0831  PST MAR 11  1631 UTC MAR 11

San Pedro, California                           0832  PST MAR 11  1632 UTC MAR 11

Newport Beach, California                       0837  PST MAR 11  1637 UTC MAR 11

La Jolla, California                            0841  PST MAR 11  1641 UTC MAR 11

Seattle, Washington                             0844  PST MAR 11  1644 UTC MAR 11

Alamitos Bay, California (20 miles SE of L.A.)  0846  PST MAR 11  1646 UTC MAR 11

the California-Mexico border                    0847  PST MAR 11  1647 UTC MAR 11

Hooper Bay, Alaska                              0846 AKST MAR 11  1746 UTC MAR 11

Little Diomede Island, Alaska                   0856 AKST MAR 11  1756 UTC MAR 11

Dillingham, Alaska                              0938 AKST MAR 11  1838 UTC MAR 11

Nome, Alaska                                    1051 AKST MAR 11  1951 UTC MAR 11

Unalakleet, Alaska                              1422 AKST MAR 11  2322 UTC MAR 11