Magnitude 6.3 Earthquake of Ramechhap, Nepal 2015-05-12

2015-05-12 07:36:53 (UTC) : North-NorthEast of Ramechhap, Nepal

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Magnitude : 6.3

Event Time: Time and Date Starting of Earthquake Rupture 

• 2015-05-12 07:36:53 (UTC)

Earthquake data:

Location : Position of Epicenter 

27.618°N 86.166°E

Depth : Depth of starting Rupture 

15.0 km

Region : Ramechhap, Nepal

Directions and Distances :Directions and Distances from Geographical Reference in Close Proximity Which can be effected by Location Uncertainty

a) 33km (21mi) NNE of Ramechhap, Nepal

b) 63km (39mi) E of Banepa, Nepal

c) 64km (40mi) E of Panaoti, Nepal

d) 83km (52mi) E of Kathmandu, Nepal

e) 84km (52mi) E of Patan, Nepal

Location Uncertainty: 

Parameter	Value	Uncertainty
Magnitude	6.3 mb	± 0.0
Location	27.618°N 86.166°E	± 8.4 km
Depth	15.0 km	± 1.8
Number of Phase Applied1	208
Minimum Distance2	74.03 km (0.67°)
Travel Time Residual3	0.93 sec
Azimuthal Gap4	17°

¹Number of phase Applied: 

In determining location of hypocenter, applied number of observations on P waves and S waves. The greater the more accurate prediction of EQ.

²Minimum Distance:

 Horizontal distance of nearest Station measured in Km from epicenter. The smaller the more accuracy in prediction of depth of EQ.

³Travel Time Residual:

 A way of measurement of fit of arrival time observed to arrival time predicted for particular location. The smaller the better fit of data.

⁴Azimuthal Gap: 

Expressed in degree; the smaller the smaller the error in horizontal positioning of EQ. Large uncertainty is considered when exceeds 180° (both depth and location)