7/24/39

Explosive eruption

• Strong Earthquakes
• Eruption columns 900 ft above sea level
• T Phase Recorded in Martinique along with several small earthquakes

10/5/43

Eruption

• T phase detected in Martinique
• No visual reports
• No Tsunami reports

10/29/53

Eruption

• Strong earthquakes in No.Grenanda
• T Phase recorded
• No visual reports
• No Tsunami reports

10/24/65

Eruption

• Earthquake felt No.Grenada, Ile de Ronde
• T Phase recorded from Trinidad
• Tsunami observed on Ile de Ronde and in Sauteurs

5/5/66

Eruption

• Series of eruptions indicated by seismographs
• No visual reports
• No Tsunami reports

8/3/66

Eruption

• Long sequence of earthquakes felt in No. Grenada
• T phase recorded throughout the Caribbean
• No visual reports
• No Tsunami reports

5/7/72

Eruption

• Continuous T Phase generated for 5 hr. and no other reports

6/9/74

Explosive eruption

• Strong earthquakes in No.Grenanda
• T Phase recorded throughout eastern Caribbean
• Visual eruption began 6am local time-steam
• No Tsunami reports

1/14/77

Eruption

• T Phase recorded throughout eastern Caribbean
• No other reports

12/29/88

Eruption

• Earthquakes felt strongly in Grenada and other windward islands
• T phase widely recorded
• No Tsunami reports

3/26/89 to 1/5/90

Explosive eruption

• Earthquakes felt strongly in Grenada and other windward islands
• Sea boiling turbulently and throwing up small dark rocks
• T phase widely recorded
• First observations of strong harmonic tremor

12/2/2001

Eruption

• Burst of T-Phase activity felt in Northern Grenanda