Mayon (Luzon, Philippines) (Event 06-68)
Card 0324 (08 January 1969) Steaming from summit area; faint night glow
Merapi (Java, Indonesia) (Event 04-69)
Card 0331 (10 January 1969) Eruption destroys 60 homes; three people missing
Card 0332 (13 January 1969) Nuee ardentes travel 11-12 km down SW flank river valleys
Card 0333 (13 January 1969) New lava emerges at location of 8 January dome collapse
Card 0334 (14 January 1969) Volcanic materials extend 13 km W of the summit
Card 0343-0344 (20 January 1969) Minor lava avalanches from new dome
Merapi (Java, Indonesia) (Event 04-69)
Card 0370-0371 (05 February 1969) January avalanches leave 2,000 people homeless
Card 0372 (05 February 1969) New lava emission on 25 January; serious road damage
Card 0407 (17 February 1969) Three known victims of the January avalanches, but 3,800 refugees
Iya (Flores Island, Indonesia) (Event 12-69)
Card 0408 (17 February 1969) Heavy dark clouds seen from 27 January eruption
Card 0418 (20 February 1969) Residents evacuated following lava and smoke eruption
Telica (Nicaragua) (Event 13-69)
Card 0409 (17 February 1969) Intermittent light ashfall since 11 February
Kilauea (Hawaii, USA) (Event 16-69)
Card 0422 (24 February 1969) Fissure eruption begins on 22 February on the upper east rift
Deception Island (Antarctica) (Event 17-69)
Card 0423 (27 February 1969) Eruption on 21 February destroys scientific base; white plume rises to 10,000 feet
Card 0424 (27 February 1969) Data about earthquake associated with eruption
Ebulobo (Flores Island, Indonesia) (Event 19-69)
Card 0432 (28 February 1969) Summit eruption with "fire and steam" and ash
Kilauea (Hawaii, USA) (Event 16-69)
Card 0447 (05 March 1969) Fountaining resumed on 25 February; lava cascades into Alae Crater
Telica (Nicaragua) (Event 13-69)
Card 0459 (10 March 1969) Ashfall noticed in Leon on 4 March
Deception Island (Antarctica) (Event 17-69)
Card 0465-0466 (17 March 1969) Fieldwork identifies three activity centers and mudflows
Sakura-jima (Kyushu, Japan) (Event 26-69)
Card 0473 (24 March 1969) Eruption from Minami-dake rises 1,500 m and causes ashfall
Didicas (North of Luzon, Philippines) (Event 29-69)
Card 0476 (28 March 1969) New crater filled with boiling water; ashfall on island
Didicas (North of Luzon, Philippines) (Event 29-69)
Card 0484 (01 April 1969) Three persons killed while fishing near the volcano
Card 0487 (03 April 1969) Ashfall evident around active crater; white steam rising
Card 0490 (08 April 1969) Minor fumarolic activity and steaming
Card 0506 (17 April 1969) Overflight on 29 March reveals steam rising from crater
Card 0514 (24 April 1969) Thick smoke observed on 31 March
Card 0515 (24 April 1969) Activity has waned from previous week
Babuyan Claro (North of Luzon, Philippines) (Event 29-69)
Card 0489 (07 April 1969) Large ash clouds reported
Card 0490 (08 April 1969) Aerial reconnaissance shows no signs of activity at Babuyan volcanoes
Card 0515 (24 April 1969) Eruption reports were unfounded
Iya (Flores Island, Indonesia) (12-69)
Card 0491-0492 (10 April 1969) Summary of January-February eruption
Rincon de la Vieja (Costa Rica) (Event 41-69)
Card 0521 (01 May 1969) Ash eruption on 22 April
Card 0531 (06 May 1969) Fumarole erupting dense gas
Supply Reef (Mariana Islands, central Pacific Ocean) (Event 43-69)
Card 0528 (06 May 1969) Acoustic activity during 11-12 March
Card 0534 (08 May 1969) Explosions sounds and water discoloration
Poás (Costa Rica) (Event 44-69)
Card 0529 (06 May 1969) Vapor plume on 3 May rises 5,000 feet
Card 0540 (13 May 1969) Eruption on 13 May; strong earthquake
Card 0548 (19 May 1969) Ash eruptions during 13-15 May
Card 0552 (22 May 1969) Continuous vapor emission from main crater on 19 May
Arenal (Costa Rica) (Event 20-68)
Card 0530 (06 May 1969) Vapor eruptions during 3-4 May
Card 0541 (13 May 1969) Multiple eruptions on 13 May
Card 0548 (19 May 1969) Continued eruptions on 15 May
Card 0553 (21 May 1969) Considerable lava-flow activity on 16 May
Deception Island (Antarctica) (Event 02-67)
Card 0554 (23 May 1969) Biological ocean-bottom investigation in December 1967
Kilauea (Hawaii, USA) (Event 16-69)
Card 0559 (26 May 1969) Eruption sends lava flows into Aloi and Alae craters
Telica (Nicaragua) (Event 13-69)
Card 0560 (27 May 1969) Ash and lapilli eruption on 14 May
Poás (Costa Rica) (Event 44-69)
Card 0568 (04 June 1969) Gases and pyroclastic materials emitted through the crater lake
Platanar (Costa Rica) (Event 44-69)
Card 0568 (04 June 1969) Increased fumarolic activity and rumblings reported
Laguna Poco Sol (Costa Rica) (Event 44-69)
Card 0568 (04 June 1969) Fumarolic activity reported and pictured in newspapers
Arenal (Costa Rica) (Event 20-68)
Card 0568 (04 June 1969) Typical activity generates fumarolic plume
Card 0604 (20 June 1969) Lava flows still active; night glow; crater emissions
Rincon de la Vieja (Costa Rica) (Event 41-69)
Card 0568 (04 June 1969) No signs of activity observed
Ubinas (Perú) (Event 62-69)
Card 0585 (10 June 1969) Strong SO2 emissions from large fumaroles
Card 0599 (18 June 1969) Normal emissions have slightly increased, with some ash
Ruapehu (North Island, New Zealand) (Event 70-69)
Card 0610 (24 June 1969) Ash eruption from the crater lake on 22 June
Card 0625 (30 June 1969) Details of eruption and resulting mudflows
Card 0629 (30 June 1969) Aerial inspection observations
Card 0630 (30 June 1969) Ecological effects of the eruption
Card 0631 (30 June 1969) Summary news report about the eruption; sketch map of mudflows
Rainier (Washington, USA) (Event 53-69)
Card 0619 (27 June 1969) Increased seismicity since September 1968
Kilauea (Hawaii, USA) (Event 16-69)
Card 0637 (30 June 1969) Lava fountaining in mid-June
Ubinas (Perú) (Event 62-69)
Card 0640 (01 July 1969) Persistent ash and gas emissions
Card 0659 (11 July 1969) Continuous ash emission since 3 July causing crop damage
Ruapehu (North Island, New Zealand) (Event 70-69)
Card 0652 (07 July 1969) Seismic data from 22 June eruption
Etna (Italy) (Event 11-68)
Card 0656 (10 July 1969) Report of activity during a week of fieldwork at Bocca Nuova
Kilauea (Hawaii, USA) (Event 16-69)
Card 0672 (16 July 1969) Eruption on 15 July
Kilauea (Hawaii, USA) (Event 16-69)
Card 0702 (04 August 1969) Eruption on 3 August almost fills Alae Crater
Card 0711 (07 August 1969) Down-dropping graben allows almost complete draining of Alae Crater
Card 0730 (22 August 1969) Lava fountaining to 1,500 feet in height
Telica (Nicaragua) (Event 13-69)
Card 0732 (25 August 1969) Large dark eruption column on 19 August
Cerro Azul (Galapagos Islands, Ecuador) (Event 110-69)
Card 0739 (02 September 1969) Shallow earthquakes
Card 0744 (04 September 1969) Data about first 30 August earthquake
Card 0748 (12 September 1969) Intermittent emissions; recent tremors were accompanied by explosion sounds
Kilauea (Hawaii, USA) (Event 16-69)
Card 0747 (11 September 1969) Strong eruption from vent between Aloi and Alae craters
Arenal (Costa Rica) (Event 20-68)
Card 0749 (12 September 1969) Lava flow continues to advance and has severed a road
Card 0764 (24 September 1969) Lava flow keeps advancing, now 2.5-3 km from lower crater
Kiska (Aleutian Islands, USA) (Event 116-69)
Card 0751 (12 September 1969) Ash and steam plumes and lava seen; source uncertain
Card 0752 (17 September 1969) Overflights identify Kiska as source of activity
Rincon de la Vieja (Costa Rica) (Event 41-69)
Card 0763 (24 September 1969) Ashfalls on 20 September
Etna (Italy) (Event 11-68)
Card 0777 (06 October 1969) Review of typical activity; diagram of Northeast Crater
Kanlaon (Central Philippines) (Event 130-69)
Card 0792 (14 October 1969) Ash eruption on 11 October
Card 0798 (21 October 1969) Strong ash eruption on 14 October; ashfall and mudflow hazard
Kilauea (Hawaii, USA) (Event 16-69)
Card 0795 (16 October 1969) Lava fountains low but continuous
Taal (Luzon, Philippines) (Event 133-69)
Card 0810 (29 October 1969) Eruption of ash and incandescent fragments on 29 October
Kavachi (Solomon Islands) (Event 134-69)
Card 0811 (30 October 1969) Pilot observes eruption; floating pumice for 70 miles
Kavachi (Solomon Islands) (Event 134-69)
Card 0813 (03 November 1969) Water eruptions seen on 28 October reduced to boiling action by the 31st
Card 0821 (12 November 1969) Variable activity reported through 10 November
Card 0828 (20 November 1969) Activity has decreased since 11 November
Kilauea (Hawaii, USA) (Event 16-69)
Card 0814 (03 November 1969) Summary of east rift zone activity since August 1968
Bezymianny (Kamchatka Peninsula, Russia) (Event 135-69)
Card 0815 (04 November 1969) Eruption on 3 November detected seismically
Card 0822 (12 November 1969) Small explosions during 11-25 October; ashfall and avalanches
Taal (Philippine Islands) (Event 133-69)
Card 0816 (05 November 1969) Erupting vent has enlarged; ejecta falling on upper slopes
Card 0820 (10 November 1969) New cone rapidly growing on the SE slope of the 1968 crater
Card 0824 (19 November 1969) Sustained and copius ejection of ash and incandescent fragments; lava flows
Taal (Philippine Islands) (Event 133-69)
Card 0830 (02 December 1969) Intense steam emission continues; lava flows advance; new vent
Card 0834 (09 December 1969) Signs that activity may shift to a new submarine vent in Lake Taal