APPENDIX.

EARTHQUAKES IN THE MARIANAS ISLANDS.


----+--------------------+-----+------------------------------------------
No. | Date. |Intensity.
| | | Epicenter and effects.
----+--------------------+-----+------------------------------------------
| _Y. M. d. h. m._ | |
1 |1825 IV -- -- -- |VIII |Destructive earthquake in the Marinas or
| | |Ladrones group of islands. Ruined many
| | |buildings at Agaña, Guam Island.
| | |
2 |1834 V -- -- -- |VIII |Destructive earthquake on Guam Island.
| | |Considerable havoc and great panic at
| | |Agaña and in the other towns of the
| | |island.
| | |
3 |1849 I 25 14 56 | IX |Destructive earthquake. Laid in ruins all
| | |the masonry buildings on the islands--the
| | |church, _convento_, and college at Agaña,
| | |the churches at Umata, Pago, and Agat,
| | |together with a great number of houses.
| | |Immense fissures opened in many places,
| | |and an extraordinary commotion of short
| | |duration was observed in the sea. There
| | |followed countless aftershocks, some of