Metis Shoal (Tonga Islands, Pacific Ocean) (Event 02-67)
The following reports are ordered by report
number with the date of the activity in brackets. The date the report
was issued is in parentheses.
Notification Report (02 January 1968) Submarine eruption breaks the surface on 12 December 1967, building new island
Information Report 1/1a [12 December 1967] (02
January/21 February 1968) Lava fountains and tephra ejections; plume
rising over 1.2 km
Information Report 2 [13 December 1967] (02 January 1968) Continuous intense activity
Deception Island (Antarctica) (Event 01-67)
The following reports are ordered by report
number with the date of the activity in brackets. The date the report
was issued is in parentheses.
Notification Report (08 February 1968) Volcanic eruptions built new island above the surface in the Deception Island bay
Information Report 1 [04 December 1967] (19 February 1968) Three major explosions on 4 December 1967
Information Report 2 [06 December 1967] (16 February 1968) New island formed by 6 December 1967 with three craters
Metis Shoal (Tonga Islands, Pacific Ocean) (Event 02-67)
The following reports are ordered by report
number with the date of the activity in brackets. The date the report
was issued is in parentheses.
Information Report 3 [14 December 1967] (01 February 1968) Steady growth of island continues
Information Report 4/4a [14 December 1967] (02
February/18 February 1968) Explosions and ash plumes; ejecta rising no
higher than 90 m
Information Report 5 [25 January 1968] (02 February 1968) Activity declines in late January
Information Report 6 [28 January 1968] (03 February 1968) Sulfur emissions from low rocky island
Information Report 7 [02 February 1968] (12 February 1968) Minor emissions but no eruptive activity
Information Report 8 [11 December 1967] (05 February 1968) Frequent smoke and steam bursts seen
Information Report 9 [11 December 1967] (09 February 1968) Eruptions reported by U.S. Navy ship
Information Report 10 [20 February 1968] (21 February 1968) Island has eroded below the ocean surface
Information Report 11 [12 December 1967] (21 February 1968) Small island sighted
Information Report 12 [13 December 1967] (21 February 1968) Seismicity detected; no tsunami reported
Information Report 13 [13 December 1967] (21 February 1968) Island-building analysis
Information Report 14 [14 December 1967] (21 February 1968) Continued intense activity; large block ejections
Information Report 15 [19 February 1968] (26 February 1968) Island now submerged to a depth of 1-2 m
Information Report 16 [01 January 1968] (18 February 1968) Plume and floating tephra seen during overflight
Information Report 17 [01 February 1968] (26 February 1968) Water washing across island; minor emissions
Etna (Italy) (Event 11-68)
Notification Report (16 June 1968) Explosive eruption follows two months of lava flows
Information Report 1 (18 June 1968) Explosions and lava flow from Northeast Crater
Kilauea (Hawaii, USA) (Event 28-68)
Card 0014 (26 August 1968) Eruption from Hiiaka Crater produces lava fountains
Northern Celebes Earthquake (Indonesia) (Event 30-68)
Card 0018 (26 August 1968) News reports of smoking and rumbling from four volcanoes
Card 0021 (28 August 1968) News reports of ships asked to help evacuate residents
Kilauea (Hawaii, USA) (Event 28-68)
Card 0030-0031 (03 September 1968) Details of Upper East Rift Zone eruption during August
Taal (Luzon, Philippines) (Event 21-68)
Card 0041 (09 September 1968) Increased steaming from cone area
Arenal (Costa Rica) (Event 20-68)
Card 0044 (10 September 1968) Laser ranging on a possible atmospheric dust cloud caused by the eruption
Northern Celebes Earthquake (Indonesia) (Event 30-68)
Card 0037 (06 September 1968) Scientific team sent to confirm volcanic activity
Card 0040 (09 September 1968) Minor seismicity continues three weeks after main shock
Card 0043 (10 September 1968) Scientist who visited area uncertain about activity reports
Banua Wuhu (Sangihe Islands, Indonesia) (Event 33-68)
Card 0047 (14 September 1968) Submarine volcano near Mahengetan considered active and dangerous
Card 0048 (18 September 1968) Eruption started on 6 September
Arenal (Costa Rica) (Event 20-68)
Card 0094 (01 October 1968) Explosive eruptions in mid-September followed by lava flows from the crater
Card 0095 (01 October 1968) Fieldwork confirms flank vent and lava flows
Card 0110 (08 October 1968) Lava flow that began on 19 September was 800 m long by the 30th
Card 0118 (11 October 1968) Lava flowing at a rate of 10 m per day
Card 0128 (14 October 1968) Lava flow rate increased to 1.15 m per hour
Mayon (Luzon, Philippines) (Event 06-68)
Card 0106 (08 October 1968) Steam and ash emissions; high seismicity
Card 0112 (09 October 1968) Decreased activity
Card 0129 (14 October 1968) Moderate steam emissions from crater
Card 0139 (15 October 1968) Moderate steaming and low seismicity; mudflow hazard
Card 0142 (16 October 1968) Increased seismicity; mudflows down all flanks
Card 0144 (17 October 1968) Seismicity continues to rise; most stream channels filled with mud
Taal (Luzon, Philippines) (Event 47-68)
Card 0107-0108 (08 October 1968) Volcanic earthquakes and intensified surface thermal activity
Card 0113 (09 October 1968) Field and instrumental data indicate renewed activity
Card 0121 (11 October 1968) Increased seismicity; fresh rockslide at 1968 eruption cone
Card 0122 (11 October 1968) High level of seismic activity returns
Card 0130 (14 October 1968) Significant volcanic seismicity; steam emission intensifying
Card 0138 (15 October 1968) High seismicity and surface thermal activity
Card 0145-0146 (17 October 1968) Crater lake temperature increases 2.5° in two days
Kilauea (Hawaii, USA) (Event 48-68)
Card 0109 (08 October 1968) Fissure eruption emits lava that covers the floor of Napau Crater
Card 0111 (08 October 1968) Lava fountaining continues along 3.5-mile fissure; longest lava flows has advanced 5.5 miles
Card 0117 (10 October 1968) Activity decreasing; fumes and smog covering the entire island
Card 0119 (11 October 1968) Flooding of Napau Crater stopped midday on 10 October
Card 0127 (14 October 1968) Fountaining decreases to slight bubbling by 14 October
Card 0140 (15 October 1968) Fountaining has dwindled; weak tremors
Card 0151 (21 October 1968) Minor fuming and steaming; inflation resumes
Karangetang (Sangihe Islands, Indonesia) (Event 33-68)
Card 0114 (09 October 1968) Reported to be active
Awu (Sangihe Islands, Indonesia) (Event 33-68)
Card 0114 (09 October 1968) Reported to be active
Banua Wuhu (Sangihe Islands, Indonesia) (Event 33-68)
Card 0120 (11 October 1968) Only solfatara activity; sea surface has not been reached
Cerro Negro (Nicaragua) (Event 53-68)
Card 0172 (28 October 1968) Ashfall causes evacuations from 13 villages; lava flows from three craters
Card 0173 (28 October 1968) Large amount of smoke and rock emissions from main cone
Card 0175 (28 October 1968) Frequent explosions; ash falling in Leon and blowing S
Card 0176 (28 October 1968) New crater ejecting blocks and ash
Card 0177-0178 (28 October 1968) Timeline of first 15 hours of activity during 24-25 October
Card 0183 (29 October 1968) Activity continued throughout the night of 28-29 October
Card 0184 (29 October 1968) Ashfall in Managua; plume blown by winds over Pacific
Card 0195-0197 (30 October 1968) Ground and aerial observations since 24 October
Card 0199-0201 (31 October 1968) Detailed radio report of current conditions; heavy ashfall
Card 0202 (31 October 1968) Explosive events; lava flows and ash emission
Card 0203 (31 October 1968) Overflight shows minimal damage to cotton and other crops
Card 0206-0209 (30 October 1968) Timeline of activity during 25-28 October
Cerro Negro (Nicaragua) (Event 53-68)
Card 0205 (04 November 1968) News report from Managua on 27 October
Card 0215-0216 (04 November 1968) Decreased ash emissions; lava flow divides
Card 0217-0219 (05 November 1968) Brief review of eruptive activity
Card 0220 (07 November 1968) Explosions increase in frequency and strength
Card 0221 (08 November 1968) New vent near summit is very active
Card 0234 (15 November 1968) Eruptions gradually increasing in intensity
Card 0235 (18 November 1968) Eruption cloud rising to 7,500 feet above sea level
Card 0236 (18 November 1968) Continuous activity at the vents; lava fountaining
Card 0238-0239 (20 November 1968) Update on crop damage and evacuation
Card 0240-0242 (20 November 1968) Activity continues; sketch map
Card 0243-0245 (20 November 1968) Observations while driving on local roads
Card 0246-0247 (20 November 1968) Description of 2 November activity
Card 0256-0257 (27 November 1968) Highlights of activity during 30 October-20 November
Card 0258 (29 November 1968) Ash eruptions and lava flows continuing
Telica (Nicaragua) (Event 53-68)
Card 0215-0216 (04 November 1968) Possible rumbling and steam emission
Deception Island (Antarctica) (Event 01-67)
Card 0222-0225 (12 November 1968) Summary of December 1967 eruption
Arenal (Costa Rica) (Event 20-68)
Card 0233 (14 November 1968) Lava flow advancing at a rate of 70 m per day
Fernandina (Galapagos Islands, Ecuador) (Event 09-68)
Card 0248-0249 (22 November 1968) News report of fieldwork following 11 June eruption
Kilauea (Hawaii, USA) (Event 48-68)
Card 0252 (25 November 1968) Minor fountaining resumes east of Napau Crater
Cerro Negro (Nicaragua) (Event 53-68)
Card 0263-0264 (02 December 1968) Description of 28 November activity
Card 0275 (07 December 1968) Eruption diminished sharply; no ash cloud
Card 0278 (10 December 1968) Observations from highway on 28 November and 2 December
Card 0279 (10 December 1968) Intermittent activity during the night of 9-10 December
Deception Island (Antarctica) (Event 01-67)
Card 0266 (03 December 1968) No changes noted following September 1968 earthquake
Trident (Alaska, USA) (Event 61-68)
Card 0276-0277 (09 December 1968) Ashfall covering snow extends 60 miles
Card 0295-0296 (16 December 1968) Six relatively large earthquakes during 11-29 November
Taal (Philippine Islands) (Event 47-68)
Card 0288 (13 December 1968) Minor seismicity; eruptive activity anticipated
Card 0316 (26 December 1968) Continuous tremor replaced by spasmodic earthquakes on 15 December
Arenal (Costa Rica) (Event 20-68)
Card 0306 (18 December 1968) Lava front approaches road and the Tabacon River
Fernandina (Galapagos Islands, Ecuador) (Event 09-68)
Card 0311-0314 (24 December 1968) Observations and assessment of effects from June eruption