Random photos:

Strombolian explosion from the new cone inside Bocca Nuova crater of Etna volcano in Aug 2012 (Photo...

Wide angle (15mm on 35mm sensor) view of the whole crater (caldera) of Nyiragongo with its lava lake...

Spray of breaking surf and shipwreck (Photo: Tom Pfeiffer)

Red flower with Fuego in the background (Photo: Tom Pfeiffer)

Fantale is a large stratovolcano on the floor of the Ethiopian Rift Valley, truncated by a 6km wide ...

Etna mountain guide Andrea Ercolani with his group arrives on the scene when a lava flow emerges fro...

The heavy downpour the morning the day before has flooded large parts of the salt lake. (Photo: Tom ...

Mandraki (Photo: Tom Pfeiffer)

Sometimes, lava erupts fro both vents on top of the NE crater cone. (Photo: Tom Pfeiffer)

Group climbing Stromboli volcano in the evening (Photo: Tom Pfeiffer)

Zoom onto the 20-m wide lava lake from above. (Photo: Tom Pfeiffer)

Red peppers, yellow melons, pink and black eggplants - Athens' markets are certainly colorful (c)

The erupting hornitos at 2900 m elevation. (c)

At the time we arrive on the scene, the lava fountains start to rise sharply, reaching 3-500 m and f...

The roughly hexagonal plates of salt crust on Lake Assale. (Photo: Tom Pfeiffer)

At dawn, the overflow is finished, the lava level sinks again, and the flows covering the terrace ar...

The active vents inside Benbow crater surrounded by circular crater walls. (Photo: Tom Pfeiffer)

Bright explosion in the evening. (Photo: Tom Pfeiffer)

Oia town, Santorini (Photo: Tom Pfeiffer)

A thunderstorm is approaching and behind Anak Krakatau. (Photo: Jorge Santos)

White pumice deposits on Santorini (Photo: Tom Pfeiffer)

Ash-rich strombolian eruption at Batu Tara volcano, Indonesia (Photo: Tom Pfeiffer)

... and another second later. The ash cloud has arrived as well, and larger pieces of incandescent, ...

Eastern sky at dawn (Photo: Tom Pfeiffer)

View onto the lava lake across the lower terrace from the north. (Photo: Tom Pfeiffer)

View onto the houses of Picità from the spring-time macchia on Stromboli. (Photo: Tom Pfeiffer)

Blocky lavas from the historic lava dome (around 256 BC) on Methana, Greece. Island of Angistri in t...

Dense ash rising from an eruption of Santiaguito's lava dome (Photo: Tom Pfeiffer)

Spatter falling back to the ground (Photo: Tom Pfeiffer)

While the lake starts to overflow on the western and northen rims, the crust starts to crack open. (...