A large (0.75 m) mass of asphalt (tar) from natural seepage.
large mass asphalt tar on surface 2015 04-30 SB Coast-006
From 2015 04-30 SB Channel
Oil and tar "mousse" on the surface from natural seeps.
oil seep oil and tar on surface 2015 03-26 SB Coast-a-013
From 2015 03-26 SB Coast
Abstract ocean surface - oil mouse and tar.
oil and tar asphalt on surface 2015 03-16 SB Coast-007
From 2015 03-16 SB Coast
Natural oil seeps react with sunlight and form asphalt (aka, tar) globs
Tar glob on surface asphalt 2014 09-23 SB Channel-002
From 2014 09-23 SB Channel
Natural tar seeping along the shoreline near Goleta
Beach asphalt tar seeps 2006 07-27 Sta Barbara--2007
From 2006 07-27 SB Channel
Beach asphalt tar seeps 2006 07-27 Sta Barbara--2005
Beach asphalt tar seeps 2006 07-27 Sta Barbara--2004
Beach asphalt tar seeps 2006 07-27 Sta Barbara--2003
Oil and tar on the surface near Coal Oil Point
tar 2014 04-29 SB Coast-MHS-a-022
From 2014 04-29 SB Coast-MHS
Floats on the surface marking a derelict crab or lobster trap on the sea floor. Over time the floats become coated with algae and tar. They are a danger to many forms of marine life.
trap float marker covered with tar and growth 2014 04-18 SB Coast-003
From 2014 04-18 SB Coast
oil tar debris on surface 2008 02-17 Sta Barbara -- 274modCROP
From 2008 02-17 SB Coast
Image 2 of 2: A long beaked common dolphin swims below surface oil from natural oil and gas seeps nearby.
Delphinus capensis uner oil and tar 2014 03-16 SB Channel-c-118
From 2014 03-16 SB Channel
Image 1 of 2: A long beaked common dolphin swims below surface oil that originated in natural oil and gas seeps on the ocean floor nearby.
Delphinus capensis under oil and tar 2014 03-16 SB Channel-c-117
Two long beaked common dolphins swim under natural oil seepage floating on the surface.
Delphinus capensis under oil and tar 2014 03-16 SB Channel-c-113
A glob of naturally occurring tar or asphalt floating on the ocean surface. This tar is created when the hydrocarbons emitted by natural oil and gas seeps reacts with the sun.
From 2013 07-29 SB Channel
Glob of asphalt tar floating on surface.
From 2011 03-05 SB Coast
Natural Seepage: Oil and tar slick line.
Hubble telescope image of a nebula, or a severe storm system in the night sky?
It's actually mousse, a frothy mixture of oil and asphalt tar on the ocean surface at natural oil seep in the Santa Barbara Channel.
From 2010 04-04 SB Coast
Snowy Egret (Egretta thula) gives a "high five." (It looks like tar stains on its flanks).
From 2010 01-16 SB Channel