shock more than 10 kilometers that is significantly closer to this event and would probably have an slightly increased risk on garlock. >> but keep in mind the san andreas is an active fault so there's also that risk at play. >> can you describe the repeat activity in the months leading to this quake? >> we don't have that data right at hand. no, nothing -- so if you're asking we have had a couple of other swarms in other areas of southern california in recent days. nothing like that was occurring up in this area in the last couple of months. >> there was a 4.2 just about 30 minutes before the main shock, and that is a classicfo fore