EarthChem Home
Decade Home
About EarthChem
Overview
News
About DECADE
Help
Data from the Global Volcanism Program of the Smithsonian Institution
Details for: Santa Ana
Santa Ana, El Salvador's highest volcano, is a massive, 2381-m-high stratovolcano whose summit is truncated by a series of four nested craters, seen here from the SW. A series of parasitic vents and cones have formed along a 20-km-long fissure system that extends from the low NNE flank to the San Marcelino and Cerro Chino cinder cones on the SE flank. Historical eruptions, largely consisting of small-to-moderate explosions from both summit and flank vents, have been recorded since the 16th century. Photo by Mike Carr, 1982 (Rutgers University).
Volcano Number:
343020
Volcano Name:
Santa Ana
Country:
El Salvador
Volcano Type:
Stratovolcano
Last Eruption:
2005 CE
Elevation:
2381m
Tectonic Setting:
Subduction zone / Continental crust (> 25 km)
Pop. within 5km:
489
Pop. within 10km:
21653
Pop. within 30km:
1240131
Pop. within 100km:
6486880
Latitude:
13.853
Longitude:
-89.63
Details
Download XLS
Eruption Data from the Global Volcanism Program of the Smithsonian Institution
Volcano Number
Volcano Name
Eruption Number
Activity Type
Explosivity Index Max
Explosivity Index Modifier
Activity Area
Activity Unit
Start Evidence Method
Start Date
End Date
343020
Santa Ana
10410
Confirmed Eruption
2
Historical Observations
1884/3/9
1884/3/10
343020
Santa Ana
10690
Confirmed Eruption
2
Historical Observations
1904/1/12
1904/1/26
343020
Santa Ana
10691
Uncertain Eruption
2
?
1920
343020
Santa Ana
10764
Uncertain Eruption
2
1878
343020
Santa Ana
10765
Confirmed Eruption
2
Historical Observations
1879/2/1
343020
Santa Ana
10766
Confirmed Eruption
3
NW flank (Mala Cara)
Historical Observations
1880
343020
Santa Ana
10767
Uncertain Eruption
1882
343020
Santa Ana
10768
Confirmed Eruption
3
Historical Observations
2005/6/16
2005/10/1
343020
Santa Ana
19891
Uncertain Eruption
1520
343020
Santa Ana
19892
Confirmed Eruption
3
Historical Observations
1521/12/31
343020
Santa Ana
19893
Confirmed Eruption
3
Historical Observations
1524/4/30
343020
Santa Ana
19894
Confirmed Eruption
Historical Observations
1570
343020
Santa Ana
19895
Confirmed Eruption
3
Historical Observations
1576
343020
Santa Ana
19896
Uncertain Eruption
1621
343020
Santa Ana
19898
Confirmed Eruption
2
SE flank (San Marcelino)
Historical Observations
1722/3/12
343020
Santa Ana
19899
Confirmed Eruption
2
?
Historical Observations
1734
343020
Santa Ana
19900
Confirmed Eruption
3
Historical Observations
1874
343020
Santa Ana
22142
Confirmed Eruption
2
Radiocarbon (corrected)
1954
Emissions Data from the Global Volcanism Program of the Smithsonian Institution
Emission ID
SO2 Kilotons
Start Date
End Date
288
12
2005/10/01
2005/10/01
Abstract
X
blah blah blah
Data from the Earthchem Library
Title
Author
Release Date
DOI
Link
A reassessment of current volcanic emissions from the Central American arc with specific examples from Nicaragua
Mather, T.
2015-05-15
10.1594/IEDA/100539
Details
The emissions of CO2 and other volatiles from the world’s subaerial volcanoes The emissions of CO2 and other volatiles from the world’s subaerial volcanoes
Fischer, Tobias
2020-11-21
10.1594/IEDA/111445
Details
Data from the Earthchem Portal
Show 61 Results
Hide Results
Sample ID
LINK
Source
DB
Method
Material
Rock Class
Rock Name
SiO
2
WT%
TiO
2
WT%
Al
2
O
3
WT%
Fe
2
O
3
WT%
Fe
2
O
3
Total
WT%
FeO
WT%
FeO Total
WT%
MnO
WT%
MgO
WT%
CaO
WT%
Na
2
O
WT%
K
2
O
WT%
P
2
O
5
WT%
LOI
WT%
H
2
O
WT%
Total
WT%
Ag
PPM
As
PPM
Ba
PPM
Be
PPM
Bi
PPM
Co
PPM
Cr
PPM
Cs
PPM
Cu
PPM
Dy
PPM
Ga
PPM
ge
PPM
In
PPM
Mo
PPM
Nb
PPM
Ni
PPM
Pb
PPM
Rb
PPM
Sb
PPM
Sc
PPM
Sn
PPM
Sr
PPM
Ti
PPM
U
PPM
V
PPM
W
PPM
Y
PPM
Zn
PPM
Zr
PPM
87
Sr /
86
Sr
RATIO
87
Rb /
86
Sr
RATIO
143
Nd /
144
Nd
RATIO
147
Sm /
144
Nd
RATIO
E Nd
RATIO
206
Pb /
204
Pb
RATIO
207
Pb /
204
Pb
RATIO
208
Pb /
204
Pb
RATIO
208
Pb /
206
Pb
RATIO
176
Hf /
177
Hf
RATIO
176
Lu /
177
Hf
RATIO
187
Re /
188
Os
RATIO
187
Re /
186
Os
RATIO
187
Os /
188
Os
RATIO
187
Os /
186
Os
RATIO
186
Os /
188
Os
RATIO
184
Os /
188
Os
RATIO
10
Be / Be
RATIO
10
Be /
9
Be
RATIO
206
Pb /
207
Pb
RATIO
5-1-25
DETAILS
EMP (EPMA)
Rock
Igneous Unknown Volcanic
Not-given
42.48
0.98
25.43
19.16
0.09
0.64
0.28
2.81
6.54
0.21
98.62
A7
DETAILS
EMP (EPMA)
Rock
Igneous Unknown Volcanic
Not-given
33.5
0.42
34.25
20.5
0.14
1.92
0.54
2.6
4.1
0.3
98.27
IZ106
DETAILS
AES
Rock
Igneous Intermediate Volcanic
Andesite
53.7
0.81
19.4
1.8
6.6
0.15
4.6
9.6
3.57
0.97
100
394
24
13
17
536
277
60
IZ106
DETAILS
HR_ICPMS
Rock
Igneous Unknown Volcanic
Not-given
383.35
27.8
9.16
0.96
102.9
2.82
0.59
1.16
13.07
3.25
18.96
23.22
468.34
0.8
189.09
0.2
15.54
69.16
53.68
IZ106
DETAILS
ICPAES/XRF
Rock
Igneous Unknown Volcanic
Not-given
53.7
0.81
19.4
1.78
6.58
0.15
4.59
9.61
3.57
0.97
0.23
100
1-29
DETAILS
EMP (EPMA)
Rock
Igneous Unknown Volcanic
Not-given
37.99
0.93
27.25
23.91
0.15
0.69
0.19
2.23
5.78
0.12
99.24
1-21
DETAILS
EMP (EPMA)
Rock
Igneous Unknown Volcanic
Not-given
51.92
0.17
27.31
7.66
0.06
0.71
1.91
3.82
6.25
0.34
100
6-B3
DETAILS
EMP (EPMA)
Rock
Igneous Unknown Volcanic
Not-given
77.24
0.31
12.23
2.06
0.02
0.16
0.46
1.68
6.05
0.01
100
D-14
DETAILS
EMP (EPMA)
Rock
Igneous Unknown Volcanic
Not-given
74.63
0.6
13.06
2.4
0.11
0.09
1.04
3.06
4.45
0.1
99.54
IZ1
DETAILS
AES
Rock
Igneous Intermediate Volcanic
Andesite
54.2
0.82
18.4
1.4
6.8
0.17
4.2
8.8
3.61
1.15
99.55
435
20
11
23
476
263
76
IZ1
DETAILS
HR_ICPMS
Rock
Igneous Unknown Volcanic
Not-given
457.22
25.19
6.2
1.21
113.25
3.19
0.81
1.45
9.54
3.84
24.7
22.82
410.93
1.01
184.51
0.27
18.08
73.69
66.17
IZ1
DETAILS
ICPAES/XRF
Rock
Igneous Unknown Volcanic
Not-given
54.2
0.82
18.4
1.44
6.8
0.17
4.19
8.85
3.61
1.15
0.23
99.86
A8
DETAILS
EMP (EPMA)
Rock
Igneous Unknown Volcanic
Not-given
63.72
0.06
18.96
0.26
0
0
0.05
3.13
10.77
0.17
97.12
A9
DETAILS
EMP (EPMA)
Rock
Igneous Unknown Volcanic
Not-given
34.79
0.06
35.07
21.43
0.11
1.41
0.27
2.24
4.82
0.24
100
21-F3
DETAILS
EMP (EPMA)
Rock
Igneous Unknown Volcanic
Not-given
58.82
1.6
15
10.88
0.46
2.42
6.71
4.17
2.35
0.47
100
IZ112
DETAILS
AES
Rock
Igneous Mafic Volcanic
Basalt
51.7
0.81
19.1
1.78
6.93
0.18
4.58
9.12
3.4
0.92
0.23
98.75
404
13
16
17
547
253
67
IZ112
DETAILS
NOT GIVEN
Rock
Igneous Unknown Volcanic
Not-given
52.5
4.65
0.93
58.08
415
IZ112
DETAILS
AES
Rock
Igneous Intermediate Volcanic
Andesite
51.7
0.81
19.1
1.8
6.9
0.18
4.6
9.1
3.4
0.92
98.51
404
13
16
17
547
253
67
IZ112
DETAILS
HR_ICPMS
Rock
Igneous Unknown Volcanic
Not-given
397.69
29.6
4.65
0.94
92.75
2.87
0.58
1.15
12.45
3.68
16.09
20.45
466.88
0.91
185.09
0.21
15.98
79.4
52.85
IZ112
DETAILS
ICPAES/XRF
Rock
Igneous Unknown Volcanic
Not-given
51.7
0.81
19.1
1.78
6.93
0.18
4.58
9.12
3.4
0.92
0.16
98.68
SA207
DETAILS
AES
Rock
Igneous Intermediate Volcanic
Andesite
56.2
1.05
18.3
1.1
6.8
0.15
2.9
7.8
3.96
1.7
99.96
571
11
6
40
458
225
163
IZ109
DETAILS
AES
Rock
Igneous Intermediate Volcanic
Andesite
54.1
0.77
19.8
1.8
5.7
0.17
3.1
9.2
3.71
1.01
99.36
422
19
9
17
583
212
69
IZ109
DETAILS
HR_ICPMS
Rock
Igneous Unknown Volcanic
Not-given
454.06
19.6
3.75
1.07
86.93
3.03
0.69
1.45
4.72
3.9
21.47
18.17
533.09
0.96
153.26
0.22
16.72
74.45
64.37
IZ109
DETAILS
ICPAES/XRF
Rock
Igneous Unknown Volcanic
Not-given
54.1
0.77
19.8
1.79
5.72
0.17
3.09
9.18
3.71
1.01
0.21
99.55
A19
DETAILS
EMP (EPMA)
Rock
Igneous Unknown Volcanic
Not-given
40.66
31.67
16.61
0.12
1.34
0.41
2.73
6.12
0.32
99.98
1
2
3
Next
Data from the SESAR Database
Show 60 Results
Hide Results
IGSN
Object Name
Object Type
Object Class
Material
Field Name
Link
MJC00001U
SAL-SA15=SA25
Individual Sample
Rock>Igneous>Volcanic
lava
Details
MJC00001T
SAL-SA24
Individual Sample
Rock>Igneous>Volcanic
bomb
Details
MJC00001S
SAL-SA22
Individual Sample
Rock>Igneous>Volcanic
bomb
Details
MJC00002G
SAL-IZ110
Individual Sample
Rock>Igneous>Volcanic
lava
Details
MGD0003SS
El Salvador: Santa Ana Volcano: crater
Individual Sample
Details
MGD0003ST
El Salvador: Izalco Volcano: summit
Individual Sample
Details
MJC00002D
SAL-IZ107
Individual Sample
Rock>Igneous>Volcanic
lava
Details
NHB001M4O
NMNH 163183-00 (MIN)
Individual Sample
Mineral>Mcbirneyite
Mcbirneyite
Details
NHB001NXF
NMNH 165495-00 (MIN)
Individual Sample
Mineral>Howardevansite
Howardevansite with lynosite and thenardite
Details
NHB001JYU
NMNH 160387-00 (MIN)
Individual Sample
Mineral>Fingerite
Fingerite
Details
MJC00002F
SAL-IZ109
Individual Sample
Rock>Igneous>Volcanic
lava
Details
MJC00001R
SAL-SA11=SA21
Individual Sample
Rock>Igneous>Volcanic
lava
Details
MJC00001Q
SAL-SA10=SA20
Individual Sample
Rock>Igneous>Volcanic
lava
Details
MJC00001P
SAL-SA5=SA305
Individual Sample
Rock>Igneous>Volcanic
lava
Details
MJC00001O
SAL-SA3= SA303
Individual Sample
Rock>Igneous>Volcanic
lava
Details
MJC00001L
SAL-C6
Individual Sample
Rock>Igneous>Volcanic
lava
Details
MJC00001K
SAL-C5
Individual Sample
Rock>Igneous>Volcanic
lava
Details
MJC00002E
SAL-IZ108
Individual Sample
Rock>Igneous>Volcanic
lava
Details
MJC00002C
SAL-IZ106
Individual Sample
Rock>Igneous>Volcanic
lava
Details
MJC00002B
SAL-IZ105
Individual Sample
Rock>Igneous>Volcanic
lava
Details
MJC00002A
SAL-IZ104
Individual Sample
Rock>Igneous>Volcanic
lava
Details
MJC000029
SAL-IZ103
Individual Sample
Rock>Igneous>Volcanic
lava
Details
MJC000028
SAL-IZ102
Individual Sample
Rock>Igneous>Volcanic
lava
Details
MJC000027
SAL-IZ101
Individual Sample
Rock>Igneous>Volcanic
lava
Details
MJC000026
SAL-IZ100
Individual Sample
Rock>Igneous>Volcanic
lava
Details
MJC000025
SAL-IZ2
Individual Sample
Rock>Igneous>Volcanic
lava
Details
MJC000024
SAL-IZ1
Individual Sample
Rock>Igneous>Volcanic
lava
Details
MJC000023
SAL-SA208B=SA23
Individual Sample
Rock>Igneous>Volcanic
lava
Details
MJC000022
SAL-SA208
Individual Sample
Rock>Igneous>Volcanic
lava
Details
MJC000021
SAL-SA207
Individual Sample
Rock>Igneous>Volcanic
lava
Details
MJC000020
SAL-SA206
Individual Sample
Rock>Igneous>Volcanic
lava
Details
MJC00001Z
SAL-SA205
Individual Sample
Rock>Igneous>Volcanic
lava
Details
MJC00001Y
SAL-SA204
Individual Sample
Rock>Igneous>Volcanic
lava
Details
MJC00001X
SAL-SA203
Individual Sample
Rock>Igneous>Volcanic
lava
Details
MJC00001W
SAL-SA202
Individual Sample
Rock>Igneous>Volcanic
lava
Details
MJC00002X
SAL-MA2
Individual Sample
Rock>Igneous>Volcanic
lava
Details
MJC00002W
SAL-MA1=SA306
Individual Sample
Rock>Igneous>Volcanic
lava
Details
MJC00002V
SAL-CJ3=CV3
Individual Sample
Rock>Igneous>Volcanic
lava
Details
MJC00002U
SAL-CV3=CV2
Individual Sample
Rock>Igneous>Volcanic
lava
Details
MJC00002T
SAL-CV2=SA304
Individual Sample
Rock>Igneous>Volcanic
lava
Details
MJC00002S
SAL-CV1
Individual Sample
Rock>Igneous>Volcanic
lava
Details
MJC00002R
SAL-IZ122
Individual Sample
Rock>Igneous>Volcanic
lava
Details
MJC00002Q
SAL-IZ121
Individual Sample
Rock>Igneous>Volcanic
lava
Details
MJC00002O
SAL-IZ119
Individual Sample
Rock>Igneous>Volcanic
lava
Details
MJC00002N
SAL-IZ117
Individual Sample
Rock>Igneous>Volcanic
lava
Details
MJC00002M
SAL-IZ116
Individual Sample
Rock>Igneous>Volcanic
lava
Details
MJC00002L
SAL-IZ115
Individual Sample
Rock>Igneous>Volcanic
lava
Details
MJC00002K
SAL-IZ114
Individual Sample
Rock>Igneous>Volcanic
lava
Details
MJC00002J
SAL-IZ113
Individual Sample
Rock>Igneous>Volcanic
lava
Details
MJC00002I
SAL-IZ112
Individual Sample
Rock>Igneous>Volcanic
lava
Details
MJC00002P
SAL-IZ120
Individual Sample
Rock>Igneous>Volcanic
lava
Details
MJC00002H
SAL-IZ111
Individual Sample
Rock>Igneous>Volcanic
lava
Details
MJC00001V
SAL-SA201
Individual Sample
Rock>Igneous>Volcanic
lava
Details
MJC00001M
SAL-CO1=SA301
Individual Sample
Rock>Igneous>Volcanic
lava
Details
NHB0017XA
NMNH 144942-00 (MIN)
Individual Sample
Mineral>Stoiberite
Stoiberite
Details
NHB0018OM
NMNH 145722-00 (MIN)
Individual Sample
Mineral>Stoiberite
Stoiberite
Details
NHB001JYS
NMNH 160385-00 (MIN)
Individual Sample
Mineral>Bannermanite
Bannermanite with shcherbinaite
Details
NHB001MYX
NMNH 164270-00 (MIN)
Individual Sample
Mineral>Blossite
Blossite
Details
NHB001N4G
NMNH 164470-00 (MIN)
Individual Sample
Mineral>Lyonsite
Lyonsite with thenardite
Details
NHB001NXE
NMNH 165494-00 (MIN)
Individual Sample
Mineral>Howardevansite
Howardevansite
Details
Data from the MaGa Database
Location: Santa Ana
(View Details at MaGa DB)
Description: The Santa Ana–Izalco–Coatepeque volcanic complex consists of the Coatepeque collapse caldera and the Santa Ana and Izalco volcanoes, as well as numerous cinder cones and explosion craters.Hot springs, gas bubbling, and intense fumarolic emissions are observed along the shoreline of this crater lake. The crater and upper fl anks of the Santa Ana volcano show thin phreatomagmatic tephra deposits that act as impermeable barriers to vertical gas migration.
Hazard Description: The Santa Ana–Izalco–Coatepeque volcanic complex is one of volcanoes investigated because about one million inhabitants reside within a 30 km radius of it.
Type: soil_diffuse_emission
Region: Santa Ana, El Salvador
Country: El Salvador
Volcanic Complex: Santa Ana
Gas Flux Data:
Measurement Name
Detail
Date
Specie
Flux
Std. Dev.
Unit of Measure
Santa Ana_01012002
Detail
2002/01/01
CO2
7
0
Mg/d
Santa Ana_032001
Detail
2001/03/01
CO2
600
0
Mg/d
Santa Ana_01102011
Detail
2011/10/01
CO2
0.018
0
Mg/d
Location: Santa Ana Crater lake
(View Details at MaGa DB)
Description: The Santa Ana Volcano or Ilamatepec (Spanish: volcán de Santa Ana) is a large stratovolcano located in the Santa Ana department of El Salvador. At 2,381 metres above sea level, it is the highest volcano in the country.The summit of Santa Ana features four nested calderas and volcanic craters, with the innermost containing a small crater lake.
Hazard Description: not reported
Type: lake
Region: Santa Ana Department, El Salvador
Country: El Salvador
Volcanic Complex: Santa Ana