| 6.1 km² | 22 km NW of Picos, Brazil | | Active |
| 21 km² | 81 km WSW of Teresina, Brazil | | Active |
| 9.1 km² | 20 km SSE of Teresina, Brazil | | Active |
| 14 km² | 6 km SSW of Antonio Almeida, Brazil | | Active |
| 3.2 km² | 22 km ESE of Piracuruca, Brazil | | Active |
| 3.6 km² | 23 km NE of Piracuruca, Brazil | | Active |
| 11 km² | 7 km ESE of Manoel Emidio, Brazil | | Active |
| 3.2 km² | 20 km WNW of Buriti dos Lopes, Brazil | | Active |
| 5.7 km² | 16 km WNW of Jerumenha, Brazil | | Active |
| 3.4 km² | near Sigefredo Pacheco, Brazil | | Active |
| 11 km² | 40 km WNW of Alvorada do Gurgueia, Brazil | | Active |
| 3.3 km² | 14 km S of Sao Jose do Peixe, Brazil | | Active |
| 3.6 km² | 14 km NE of Capitao de Campos, Brazil | | Active |
| 32 km² | 26 km NNW of Ribeira do Piaui, Brazil | | Active |
| 5.5 km² | near Batalha, Brazil | | Active |
| 3.2 km² | 17 km SW of Curralinhos, Brazil | | Active |
| 5.3 km² | 44 km SSE of Teresina, Brazil | | Active |
| 5.9 km² | 53 km SW of Teresina, Brazil | | Active |
| 3.4 km² | 21 km NE of Teresina, Brazil | | Active |
| 22 km² | 10 km WNW of Uniao, Brazil | | Active |
| 5.2 km² | 12 km SE of Caraubas do Piaui, Brazil | | Active |
| 8.5 km² | 11 km SW of Ribeiro Goncalves, Brazil | | Inactive |
| 7.5 km² | near Nazare do Piaui, Brazil | | Inactive |
| 9.3 km² | 17 km WNW of Barras, Brazil | | Inactive |
| 11 km² | 14 km NNE of Ribeiro Goncalves, Brazil | | Inactive |
| 19 km² | 55 km S of Teresina, Brazil | | Inactive |
| 3.8 km² | 25 km SSW of Sao Miguel do Tapuio, Brazil | | Inactive |
| 3.1 km² | 13 km NNE of Baixa Grande do Ribeiro, Brazil | | Inactive |
| 11 km² | 12 km ESE of Floriano, Brazil | | Inactive |
| 4.3 km² | 19 km E of Assuncao do Piaui, Brazil | | Inactive |
| 23 km² | 14 km W of Antonio Almeida, Brazil | | Inactive |
| 4.1 km² | 71 km W of Currais, Brazil | | Inactive |
| 8.1 km² | 10 km NE of Nossa Senhora dos Remedios, Brazil | | Inactive |
| 3.1 km² | 20 km E of Marcos Parente, Brazil | | Inactive |
| 4.6 km² | 15 km NNW of Buriti dos Lopes, Brazil | | Inactive |
| 8.5 km² | 58 km S of Urucui, Brazil | | Inactive |
| 30 km² | 36 km ENE of Santa Cruz dos Milagres, Brazil | | Inactive |
| 13 km² | 22 km NNE of Piracuruca, Brazil | | Inactive |
| 14 km² | 24 km NNW of Jerumenha, Brazil | | Inactive |
| 56 km² | 21 km SE of Assuncao do Piaui, Brazil | | Inactive |
| 14 km² | 9 km S of Eliseu Martins, Brazil | | Inactive |
| 179 km² | 40 km NNE of Riacho Frio, Brazil | | Inactive |
| 21 km² | 12 km WNW of Wall Ferraz, Brazil | | Inactive |
| 12 km² | 54 km WSW of Bertolinia, Brazil | | Inactive |
| 20 km² | 62 km NW of Floriano, Brazil | | Inactive |
| 12 km² | 9 km ENE of Piracuruca, Brazil | | Inactive |
| 36 km² | 8 km SSE of Sebastiao Barros, Brazil | | Inactive |
| 16 km² | 12 km SSE of Nazare do Piaui, Brazil | | Inactive |
| 11 km² | 9 km NE of Francinopolis, Brazil | | Inactive |
| 14 km² | 29 km WNW of Alvorada do Gurgueia, Brazil | | Inactive |
| 11 km² | near Currais, Brazil | | Inactive |
| 12 km² | 44 km NE of Santa Filomena, Brazil | | Inactive |
| 20 km² | 10 km SSE of Sao Jose do Peixe, Brazil | | Inactive |
| 15 km² | 10 km WNW of Santa Cruz dos Milagres, Brazil | | Inactive |
| 31 km² | 27 km ENE of Santa Cruz dos Milagres, Brazil | | Inactive |
| 14 km² | 47 km SE of Morro Cabeca no Tempo, Brazil | | Inactive |
| 17 km² | 31 km W of Alvorada do Gurgueia, Brazil | | Inactive |
| 23 km² | 9 km E of Bom Jesus, Brazil | | Inactive |
| 11 km² | 44 km ENE of Picos, Brazil | | Inactive |
| 14 km² | 11 km ESE of Santa Filomena, Brazil | | Inactive |
| 16 km² | 71 km NW of Redencao do Gurgueia, Brazil | | Inactive |
| 14 km² | 64 km SE of Floriano, Brazil | | Inactive |
| 10 km² | 8 km NW of Ribeiro Goncalves, Brazil | | Inactive |
| 15 km² | 33 km ESE of Santa Filomena, Brazil | | Inactive |
| 38 km² | 80 km W of Currais, Brazil | | Inactive |
| 21 km² | 32 km WSW of Assuncao do Piaui, Brazil | | Inactive |
| 13 km² | 67 km NW of Currais, Brazil | | Inactive |
| 13 km² | 20 km SE of Regeneracao, Brazil | | Inactive |
| 29 km² | 36 km SW of Bertolinia, Brazil | | Inactive |
| 10 km² | 7 km WSW of Ipiranga do Piaui, Brazil | | Inactive |
| 11 km² | 29 km W of Baixa Grande do Ribeiro, Brazil | | Inactive |
| 12 km² | 52 km N of Picos, Brazil | | Inactive |
| 14 km² | 21 km WSW of Nazare do Piaui, Brazil | | Inactive |
| 54 km² | 16 km NNE of Valenca do Piaui, Brazil | | Inactive |
| 17 km² | 13 km NW of Sao Jose do Peixe, Brazil | | Inactive |
| 34 km² | 38 km SSE of Oeiras, Brazil | | Inactive |
| 24 km² | near Parnagua, Brazil | | Inactive |
| 10 km² | 14 km WSW of Cristalandia do Piaui, Brazil | | Inactive |
| 32 km² | 22 km SE of Floriano, Brazil | | Inactive |
| 33 km² | 34 km WNW of Alvorada do Gurgueia, Brazil | | Inactive |
| 20 km² | 31 km N of Riacho Frio, Brazil | | Inactive |
| 13 km² | near Santa Luz, Brazil | | Inactive |
| 17 km² | 16 km NE of Canto do Buriti, Brazil | | Inactive |
| 15 km² | 17 km ESE of Santa Filomena, Brazil | | Inactive |
| 10 km² | 66 km SW of Floriano, Brazil | | Inactive |
| 19 km² | 25 km S of Urucui, Brazil | | Inactive |
| 10 km² | 29 km WNW of Monte Alegre do Piaui, Brazil | | Inactive |
| 47 km² | 29 km SW of Urucui, Brazil | | Inactive |
| 72 km² | 13 km S of Oeiras, Brazil | | Inactive |
| 12 km² | 58 km W of Currais, Brazil | | Inactive |
| 32 km² | 16 km W of Ribeiro Goncalves, Brazil | | Inactive |
| 18 km² | 15 km S of Santa Filomena, Brazil | | Inactive |
| 19 km² | 13 km N of Morro Cabeca no Tempo, Brazil | | Inactive |
| 22 km² | 28 km WNW of Picos, Brazil | | Inactive |
| 13 km² | 10 km ESE of Corrente, Brazil | | Inactive |
| 79 km² | 42 km E of Baixa Grande do Ribeiro, Brazil | | Inactive |
| 69 km² | 31 km NW of Monte Alegre do Piaui, Brazil | | Inactive |
| 43 km² | 27 km SW of Barreiras do Piaui, Brazil | | Inactive |
| 30 km² | near Palmeira do Piaui, Brazil | | Inactive |
| 58 km² | 25 km NW of Palmeira do Piaui, Brazil | | Inactive |
| 41 km² | 10 km WNW of Manoel Emidio, Brazil | | Inactive |
| 14 km² | 13 km E of Nazare do Piaui, Brazil | | Inactive |
| 14 km² | 38 km S of Floriano, Brazil | | Inactive |
| 11 km² | 19 km S of Amarante, Brazil | | Inactive |
| 31 km² | 21 km SSW of Sao Goncalo do Gurgueia, Brazil | | Inactive |
| 15 km² | near Jerumenha, Brazil | | Inactive |
| 18 km² | 11 km E of Oeiras, Brazil | | Inactive |
| 16 km² | 9 km N of Valenca do Piaui, Brazil | | Inactive |
| 13 km² | 29 km E of Monte Alegre do Piaui, Brazil | | Inactive |
| 11 km² | near Oeiras, Brazil | | Inactive |
| 16 km² | 9 km N of Sao Goncalo do Gurgueia, Brazil | | Inactive |
| 17 km² | 50 km S of Oeiras, Brazil | | Inactive |
| 23 km² | 16 km SE of Urucui, Brazil | | Inactive |
| 19 km² | 37 km E of Ribeiro Goncalves, Brazil | | Inactive |
| 13 km² | 74 km WNW of Palmeira do Piaui, Brazil | | Inactive |
| 18 km² | 17 km N of Monte Alegre do Piaui, Brazil | | Inactive |
| 17 km² | 54 km S of Urucui, Brazil | | Inactive |
| 19 km² | 45 km NW of Palmeira do Piaui, Brazil | | Inactive |
| 12 km² | 64 km W of Currais, Brazil | | Inactive |
| 89 km² | 21 km N of Corrente, Brazil | | Inactive |
| 17 km² | 6 km NNW of Currais, Brazil | | Inactive |
| 12 km² | 21 km E of Santa Filomena, Brazil | | Inactive |
| 11 km² | 5 km ESE of Baixa Grande do Ribeiro, Brazil | | Inactive |
| 29 km² | 37 km W of Picos, Brazil | | Inactive |
| 11 km² | 24 km S of Bom Jesus, Brazil | | Inactive |
| 11 km² | 11 km N of Cristalandia do Piaui, Brazil | | Inactive |
| 14 km² | 57 km W of Barreiras do Piaui, Brazil | | Inactive |
| 19 km² | 15 km WSW of Sao Goncalo do Gurgueia, Brazil | | Inactive |
| 134 km² | 49 km SE of Guaribas, Brazil | | Inactive |
| 11 km² | 5 km NNW of Ribeiro Goncalves, Brazil | | Inactive |
| 53 km² | 7 km SSW of Oeiras, Brazil | | Inactive |
| 45 km² | 47 km W of Manoel Emidio, Brazil | | Inactive |
| 94 km² | 25 km SSW of Nazare do Piaui, Brazil | | Inactive |
| 52 km² | 24 km SW of Cristalandia do Piaui, Brazil | | Inactive |
| 23 km² | 8 km ESE of Ipiranga do Piaui, Brazil | | Inactive |
| 11 km² | 8 km NNE of Lagoa do Sitio, Brazil | | Inactive |
| 25 km² | 47 km NW of Monte Alegre do Piaui, Brazil | | Inactive |
| 14 km² | 32 km SSE of Urucui, Brazil | | Inactive |
| 21 km² | 47 km E of Ribeiro Goncalves, Brazil | | Inactive |
| 20 km² | 34 km SW of Barreiras do Piaui, Brazil | | Inactive |
| 23 km² | 43 km SW of Baixa Grande do Ribeiro, Brazil | | Inactive |
| 10 km² | 39 km SSW of Antonio Almeida, Brazil | | Inactive |
| 23 km² | 34 km N of Itaueira, Brazil | | Inactive |
| 10 km² | 51 km ENE of Baixa Grande do Ribeiro, Brazil | | Inactive |
| 16 km² | 45 km SSW of Floriano, Brazil | | Inactive |
| 12 km² | 30 km NE of Santa Filomena, Brazil | | Inactive |
| 11 km² | 42 km E of Morro Cabeca no Tempo, Brazil | | Inactive |
| 18 km² | 19 km NNW of Itaueira, Brazil | | Inactive |
| 12 km² | 36 km ENE of Ribeiro Goncalves, Brazil | | Inactive |
| 11 km² | 8 km NW of Ribeira do Piaui, Brazil | | Inactive |
| 16 km² | 47 km SSW of Floriano, Brazil | | Inactive |
| 12 km² | 16 km NE of Ribeiro Goncalves, Brazil | | Inactive |
| 17 km² | 13 km NE of Santa Filomena, Brazil | | Inactive |
| 11 km² | 27 km WNW of Corrente, Brazil | | Inactive |
| 12 km² | 9 km NNW of Ribeira do Piaui, Brazil | | Inactive |
| 11 km² | 17 km WSW of Urucui, Brazil | | Inactive |
| 15 km² | 56 km SW of Barreiras do Piaui, Brazil | | Inactive |
| 11 km² | 31 km NE of Itaueira, Brazil | | Inactive |
| 10 km² | 9 km W of Sao Joao da Varjota, Brazil | | Inactive |
| 21 km² | 52 km SW of Barreiras do Piaui, Brazil | | Inactive |
| 11 km² | 35 km WNW of Oeiras, Brazil | | Inactive |
| 11 km² | 20 km E of Ribeiro Goncalves, Brazil | | Inactive |
| 15 km² | 30 km NE of Marcos Parente, Brazil | | Inactive |
| 11 km² | 15 km NW of Santa Cruz dos Milagres, Brazil | | Inactive |
| 10 km² | 15 km SE of Pavussu, Brazil | | Inactive |
| 10 km² | 19 km ENE of Piripiri, Brazil | | Inactive |
| 20 km² | 14 km SE of Pavussu, Brazil | | Inactive |
| 18 km² | 6 km WSW of Morro Cabeca no Tempo, Brazil | | Inactive |
| 25 km² | 22 km E of Aroazes, Brazil | | Inactive |
| 11 km² | 6 km NNW of Valenca do Piaui, Brazil | | Inactive |
| 13 km² | 24 km NE of Curimata, Brazil | | Inactive |
| 11 km² | 26 km NW of Pio IX, Brazil | | Inactive |
| 10 km² | 24 km NE of Riacho Frio, Brazil | | Inactive |
| 16 km² | 75 km SSW of Floriano, Brazil | | Inactive |
| 12 km² | 18 km N of Riacho Frio, Brazil | | Inactive |
| 10 km² | near Sao Jose do Peixe, Brazil | | Inactive |
Piauí