MicroSeismic Adds Venture Debt

MicroSeismic Inc., a Houston, Texas-based provider of microseismic monitoring and passive seismic imaging, has secured a $2 million line of credit from Square 1 Bank. MicroSeismic has raised over $7 million in VC funding from firms like Altira Group, CTTV Investments and Rockport Capital Partners. www.microseismic.com