Anomalies/location | Amplitude | Direction/trend | Causes/significance |
Mount Cameroon, Limbe (P1) | High amplitude positive anomalies | Quasi-circular | Cenozoic to actual volcanic formation, active volcano |
Ngambe (P7) | High amplitude positive anomalies | Quasi-circular | Transitional zone between the Congo craton and the Pan-African, mantle intrusion injected by Sanaga Fault |
Takamanda, Cameroon-Nigeria boundary | High amplitude positive anomalies | Quasi-circular | Old granit and basement complex formation |
Beneath Edéa | Relative positive anomalies | Quasi-circular | Transitional zone between the Congo craton and the Pan-African, mantle intrusion injected by Sanaga Fault |
Eseka, Makak (P8) | Relative negative anomalies | Located signature | Congo craton signature |
Kumba (P2) | Negative anomalies | Located signature | Cenozoic to actual volcanic formation |
Manyemen-Fontem (P3 and P4) | High amplitude negative anomalies | CVL direction (N˚30E) | Sedimentary basin of Mamfe |
Mt Bambouto-Mt Oku-Kumbo (P5 and P6) | Line of successive negative anomalies | CVL line direction (N˚30E) | Cenozoic to actual volcanoes from CVL |
Lakes Nyos and Monoun | Negative anomalies | Located signature | Crater lakes associated with gas emission |
Efolofo in the North of Mount Cameroon | Negative anomalies | Located signature | Minor basin |