Survey: 25 Percent Spike In Depression Along Gulf Since Oil Spill 803 Adrian Chen 09/28/10 03:02AM Filed to: Sad Sad oil spill bp oil spill Gulf Surveys Depression Pic ap A new Gallup survey shows that depression rose 25 percent since the Deepwater Horizon disaster in April. Proof that losing your livelihood + watching your environment be destroyed + utter sense of helplessness = major case of the blues.