Jökull - 01.12.2003, Side 24

Thordarson et al.
18°
64°
18°
64°
18°
64°
Sk
aftá
Sk
aftá
Sk
aftá
H
verfisfljót
H
verfisfljót
H
verfisfljót
18°
?
Ju
ne
21
?
Ju
ly
18
July
19
8
June
Mt. Laki
Mt. Laki
14
June
19 June?
11
Ju
ne
11 June
12 June
12 July
~21 July
12 July
14 June
18 June
22June
24 June
24 June
27-28 June
25-26 Ju
ne?
9-10
July
11-13 July?
64°
Ska
ftá
Tu
ng
na
á
Tu
ng
na
á
Tu
ng
na
á
ICELAND
Grímsvötn Grímsvötn
Grímsvötn Grímsvötn
Vatnaj kullö
Vatnaj kullö
Vatnaj kullö
Vatnaj kullö
?
?
?
?
?
Laki cone-row
Laki lava flow
shades of gray show
location of flow front
at the indicated dates
20 km
a) b)
d)c)
Mt. LakiMt. Laki
Tephra dispersal direction
and area of tephra fall at
given dates
rivers and lakes
dried up river channels
Figure 5. a-g) Origin, timing, and dispersal of reported tephra falls in summer and fall 1783. The position of
the lava flow front as indicated in the contemporary descriptions at the given dates is also shown, depicting
the approximate growth of the lava flow field with time. – Uppruni, tímasetning og útbreiðsla gjóskufalls og
hrauns frá Lakagígum og Grímsvötnum sumarið og haustið 1783.
22 JÖKULL No. 53, 2003