PDXBoom

PSU seismograph snapshot. The boom is visible at 20:04 PDT or 03:04 UTC (click to enlarge).

Around 8:04PM on March 28, 2010, a mysterious boom was heard throughout Portland. Police confirmed that the cause was a large pipe bomb.

Media

• Photo of the hillside where the pipe bomb was discovered http://www.katu.com/news/local/89441702.html
• http://www.kptv.com/news/22990857/detail.html
• http://www.katu.com/news/89375342.html

Resources

• Google map of boom reports - Add yours!
• Seismic data from PSU
• Mystery of 'The Earthquake Boom’ - a real earthquake
• Twitter Streamgraph for pdxboom

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