Statistics: Journal of Volcanology and Geothermal Research
Geo Map
Region
#
NA - North America
534
EU - Europe
15
AS - Asia, other
5
SA - South America
3
AF - Africa
2
Unknown
1
Total
560
Country
#
US - United States of America
533
RU - Russian Federation
6
IE - Ireland
3
CL - Chile
2
GB - United Kingdom
2
HK - Hong Kong
2
SC - Seychelles
2
BR - Brazil
1
CH - Switzerland
1
CN - China
1
other - Other Country
7
Total
560
City
#
Ashburn
67
Dublin
3
Moscow
3
Hong Kong
2
Prineville
2
Santiago
2
Belém
1
Copenhagen
1
DeKalb
1
Düsseldorf
1
other
477
Total
560
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Tot
2021
0 0
0 0 0 0
0 1 0 2
0 0
3
2022
0 0
0 0 0 0
0 0 1 2
0 1
4
2023
0 0
0 1 0 1
1 0 21 1
419 2
446
2024
2 1
0 3 1 2
14 2 1 60
0 1
87
2025
2 0
0 7 4 4
3 0 0 0
0 0
20
Ever
560
Geo Map
| Region | # |
|---|---|
| NA - North America | 534 |
| EU - Europe | 15 |
| AS - Asia, other | 5 |
| SA - South America | 3 |
| AF - Africa | 2 |
| Unknown | 1 |
| Total | 560 |
| Country | # |
|---|---|
| US - United States of America | 533 |
| RU - Russian Federation | 6 |
| IE - Ireland | 3 |
| CL - Chile | 2 |
| GB - United Kingdom | 2 |
| HK - Hong Kong | 2 |
| SC - Seychelles | 2 |
| BR - Brazil | 1 |
| CH - Switzerland | 1 |
| CN - China | 1 |
| other - Other Country | 7 |
| Total | 560 |
| City | # |
|---|---|
| Ashburn | 67 |
| Dublin | 3 |
| Moscow | 3 |
| Hong Kong | 2 |
| Prineville | 2 |
| Santiago | 2 |
| Belém | 1 |
| Copenhagen | 1 |
| DeKalb | 1 |
| Düsseldorf | 1 |
| other | 477 |
| Total | 560 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Tot | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2021 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 0 | 0 | 3 |
| 2022 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 1 | 4 |
| 2023 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 21 | 1 | 419 | 2 | 446 |
| 2024 | 2 | 1 | 0 | 3 | 1 | 2 | 14 | 2 | 1 | 60 | 0 | 1 | 87 |
| 2025 | 2 | 0 | 0 | 7 | 4 | 4 | 3 | 0 | 0 | 0 | 0 | 0 | 20 |
| Ever | 560 | ||||||||||||