Аннотация:Strong long-lasting enhancements of energetic particles in the equatorial and low-latitude ionosphere over Pacific were discovered recently. Being forbidden in the theory of radiation belts, the phenomenon of enhancements is still very poorly in-vestigated and not understood. We have found that the energetic particles are injected to the ionosphere from the inner radiation belt. We revealed a significant ionizing effect of the enhancements in positive ionospheric storms. An influence of particle enhancements to low-mid latitude ionospheric scintillations was also found.