Annually Averaged Temperature Anomalies (image) Geological Society of America Share Print E-Mail Caption Figure 4 in B.A. Black et al.: This image shows annually averaged temperature anomalies in excess of 3°C for the first year after the Campanian Ignimbrite (CI) eruption compared with spatial distribution of hominin sites with radiocarbon ages close to that of the eruption. Credit B.A. Black et al. and the journal Geology Usage Restrictions Credit B.A. Black et al. and the journal Geology Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.