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Volcano science
To mark the 35th anniversary of the Mount St. Helens eruption, a night of volcano science will talk about the eruption and changes that have happened around the blast zone. Legend of the Big Blast will feature hands-on activities, interactive displays, a short documentary and a discussion with a local scientist from 6 to 8 p.m. May 14 at Kiggins Theatre, 1011 Main St., Vancouver. Admission is free. The event is hosted by iQ Credit Union and the Mount St. Helens Institute. www.iqcu.com/BigBlastEvent
Run for communities
Two races that raise money for worthy causes come to town Saturday. A Reason to Run is a 5K run/walk that follows the Columbia River, with proceeds benefiting McLoughlin Middle School, Open House Ministries and the Clark County Food Bank. There also will be a ½-mile kids run and other children’s activities, games and crafts. Registration opens at 8:30 a.m., with a 10 a.m. race start, May 9 at Marine Park, Southeast Marine Park Way and Columbia Way, Vancouver. Registration is $30, free for the children’s run, with donations of canned food encouraged. www.a-reason-to-run.org
Great Strides 5K Walk for Cystic Fibrosis is the Cystic Fibrosis Foundation’s largest national fundraising event. Cystic fibrosis is a genetic disease that affects the lungs and digestive system of an estimated 30,000 children and adults in the United States. The local Oregon chapter will host the 5K walk, along with children’s activities, food and festivities starting at 10 a.m. May 9 at Esther Short Park, 415 W. Sixth St., Vancouver. Donations encouraged. http://fightcf.cff.org
Old-time music
The Encore Concert series concludes with Appalachian-style music in a concert titled “Down By the Riverside.” Thomas Rheingans and the Ensemble will perform selections of old-time, mountain and folk music, with Celtic-inspired song by vocalist Anne Maguire and Lance Frodsham. The concert begins at 7 p.m. May 9 at Mill Plain United Methodist Church, 15804 S.E. Mill Plain Blvd., Vancouver. Admission is free, donations will benefit Friends of the Carpenter. 360-892-2421 or www.millplainumc.org