Hi,
I think it's the accuracy of the equipments they possess. However, I am not an expert on this issue. I think you are going by the right agency.
Although, irrevalant, I must say that I like the following lines in the message after your name :
Dex matho eta dharona, thikonar xex xari...
>The most important thing in life is never to forget who you are...
May I bother you to send me the words beyond the dots.
Regards
Mridul Bhuyan
>From: "priyankoo sarma" <[EMAIL PROTECTED]>
>Reply-To: priyankoo sarma <[EMAIL PROTECTED]>
>To: [email protected]
>Subject: [Assam] Medium Earthquake in Arunachal, Assam
>Date: 2 Jun 2005 04:56:26 -0000
>
>There was an earthquake in Arunachal Pradesh , last night (Assam). The epicenter is estimated to be 155 Kilometers north to Dibrugarh. Strong tremors were felt in Tinsukia.
>What I found interesting is the difference in reporting it, in terms of details by two monitoring agencies:
>___________________________________________________________________
>Indian Meteorological Department:
>
>Date of Occurrence: 02/06/2005
>Time:01:36:35.0(IST)
>Intensity:MODERATE
>Magnitude:5.9
>Epicentre:Lat. 29.3 deg. N, Long. 94.7 deg. E
>Region: TIBET-INDIA (ARUNACHAL PRADESH)BORDER REGION
>_____________________________________________________________________
>US GEOLOGICAL SURVEY:
>
>Magnitude 5.9
>Date-Time Wednesday, June 1, 2005 at 20:06:42 (UTC)
> June 2, 2005 at 1:36:42 AM = local time at epicenter
>
>Location 28.871�N, 94.598�E
>Depth 37.2 km (23.1 miles)
>Region ARUNACHAL PRADESH, INDIA
>
>Distances
>155 km (100 miles) NNW of Dibrugahr, Assam, India
>220 km (135 miles) NNE of Itanagar, Arunachal Pradesh, India
>930 km (580 miles) NE of Kolkata (Calcutta), West Bengal, India
>1695 km (1050 miles) E of NEW DELHI, Delhi, India
>
>Location Uncertainty horizontal +/- 8.4 km (5.2 miles);
> depth +/- 27.5 km (17.1 miles)
>____________________________________________________________________
>
>I wonder why do the two agencies differ so much in estimating the epicenter? Considering the difference of the latitude estimated by the two agencies they differ in 0.5�, which should make the estimated epicenters almost 55 Kilometers apart. The longitudinal difference of .2� also makes the epicenters almost 22 Km apart!
>
>Is it not possible to find out the exact epicenter at all? Could somebody who deals with these things answer?
>
>I tend to go with the USGS report more, because of their details and their mention about the limitations of their report!!
>
>
>Priyankoo
>
>Dex matho eta dharona, thikonar xex xari...
>The most important thing in life is never to forget who you are...
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