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TAAL VOLCANO |
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Table borrowed from Smithsonian National Museum of Natural History Global Volcanism Program, Volcanic Activity Reports: Taal http://www.volcano.si.edu/gvp/world/region07/luzon/taal/var.htm 04/19/04 09/68 (CSLP 21-68) Increased steaming from cone area 10/68 (CSLP 47-68) Increasing seismicity and surface thermal activity 12/68 (CSLP 47-68) Continued seismicity through mid-December 10/69 (CSLP 133-69) Eruption of ash and incandescent fragments on 29 October 11/69 (CSLP 133-69) Continued production of lava flows and ejecta; new cone on SE flank 12/69 (CSLP 133-69) Lava flows continue; new vent forms as activity shifts towards the west 12/70 (CSLP 113-70) Profuse steaming; fresh landslide noted; active rift 09/76 (SEAN 01:12) Precursors trigger evacuation before explosive eruptions in early September 11/76 (SEAN 01:14) Strong, frequent eruptions with ashfall through mid-October 12/76 (SEAN 01:15) Weak steaming; larger steam plume on 30 October 10/77 (SEAN 02:10) Weak phreatic eruption with harmonic tremor 11/77 (SEAN 02:11) Ejection of voluminous ash-laden steam clouds on 9 November 02/78 (SEAN 03:02) Harmonic tremor continues, but no eruption 10/87 (SEAN 12:10) Increase in recorded earthquakes; minor deformation 12/87 (SEAN 12:12) Seismicity abates; thermal activity normal 08/88 (SEAN 13:08) Seismicity and slight inflation 10/89 (SEAN 14:10) Increased seismicity; main crater inflation 03/91 (BGVN 16:03) Increased shallow seismicity and felt earthquakes; more than 1,000 evacuated 04/91 (BGVN 16:04) Continued seismicity and changes to crater lake 07/91 (BGVN 16:07) Abnormal seismicity continues 01/92 (BGVN 17:01) Earthquake swarm, deformation, and new fissures document apparent intrusion; evacuations 02/92 (BGVN 17:02) Crater lake temperature and seismicity decline 02/94 (BGVN 19:02) Rise in seismicity, deformation, and temperature
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