---
title: Tsunami Watch State of Hawaii
date: 2011-03-11T07:28:20Z
modified: 2011-03-11T07:28:20Z
permalink: "https://nko.org/tsunami-watch-state-hawaii/"
type: post
status: publish
excerpt: ""
wpid: 873
categories:
  - Environment
author: Paul Garrett Hugel
timestamp: 2011-03-11T07:28:20Z
tags:
  - Environment
---

PACIFIC TSUNAMI WARNING CENTER EWA BEACH HI844 PM HST THU MAR 10 2011TO – CIVIL DEFENSE IN THE STATE OF HAWAIISUBJECT – TSUNAMI WATCH SUPPLEMENTA TSUNAMI WATCH CONTINUES IN EFFECT FOR THE STATE OF HAWAII.AN EARTHQUAKE HAS OCCURRED WITH THESE PRELIMINARY PARAMETERS ORIGIN TIME – 0746 PM HST 10 MAR 2011 COORDINATES – 38.2 NORTH 142.5 EAST LOCATION – NEAR EAST COAST OF HONSHU JAPAN MAGNITUDE – 8.8 MOMENTMEASUREMENTS OR REPORTS OF TSUNAMI WAVE ACTIVITY GAUGE LOCATION LAT LON TIME AMPL PER DART 21418 38.7N 148.7E 0619Z 1.08M / 3.5FT 06MIN LAT – LATITUDE (N-NORTH, S-SOUTH) LON – LONGITUDE (E-EAST, W-WEST) TIME – TIME OF THE MEASUREMENT (Z IS UTC IS GREENWICH TIME) AMPL – TSUNAMI AMPLITUDE MEASURED RELATIVE TO NORMAL SEA LEVEL. IT IS …NOT… CREST-TO-TROUGH WAVE HEIGHT. VALUES ARE GIVEN IN BOTH METERS(M) AND FEET(FT). PER – PERIOD OF TIME IN MINUTES(MIN) FROM ONE WAVE TO THE NEXT. NOTE – DART MEASUREMENTS ARE FROM THE DEEP OCEAN AND THEY ARE GENERALLY MUCH SMALLER THAN WOULD BE COASTAL MEASUREMENTS AT SIMILAR LOCATIONS.EVALUATION BASED ON ALL AVAILABLE DATA A TSUNAMI MAY HAVE BEEN GENERATED BY THIS EARTHQUAKE THAT COULD BE DESTRUCTIVE ON COASTAL AREAS EVEN FAR FROM THE EPICENTER. AN INVESTIGATION IS UNDERWAY TO DETERMINE IF THERE IS A TSUNAMI THREAT TO HAWAII. IF TSUNAMI WAVES IMPACT HAWAII THE ESTIMATED EARLIEST ARRIVAL OF THE FIRST TSUNAMI WAVE IS 0259 AM HST FRI 11 MAR  [Posted via email](http://posterous.com) from [paulhugel’s posterous](http://paulhugel.posterous.com/tsunami-watch-state-of-hawaii)

## Topics

**Categories:** [Environment](https://nko.org/wp-content/uploads/wp-mfa-exports/taxonomy/category/environment.md)