April 1825 Earthquake: Ladrones Island, Guam, Northern Mariana Islands, US Territories
An earthquake struck Ladrones Island, Guam, Northern Mariana Islands, US Territories in April 1825. It caused a tsunami.
Map
Where it struck, with the other significant earthquakes within 200 km. Circles are sized and colored by magnitude; select one for its page.
The earthquake
- Date
- April 1825
- Place
- Ladrones Island, Guam, Northern Mariana Islands, US Territories
- Intensity
- 8 on the Modified Mercalli scale
- Tsunami
- Yes: the tsunami it caused
- Epicenter
- 14.000° N, 143.300° E
- Country
- US Territories
The toll
- Damage
- Moderate (about $1 to $5 million)
- Houses destroyed
- Many (101 to 1,000)
Where the literature gives no number, NCEI records a description on a scale of 1 to 4, printed here in its words. Damage is in millions of US dollars of the year of the event, not adjusted for inflation.
What the record says
NCEI’s account, from the sources it cites.
1825, April. Intensity VIII. Destructive earthquake in the Marinas or Ladrones group of islands. Ruined many buildings at Agana, Guam Island. (reference #1072)
1825, April. Philippines, Guam Island in the Ladrones Island, intensity II which corresponds to buildings may be unroofed or shattered and some may fall, the ground may be badly cracked in places and small landslips occur. (reference #1055)
1825 and 1834. During the months of April and May of the years 1825 and 1834 terrible earthquakes were experienced on this island, causing great damage to buildings and spreading consternation among tbe inhabitants, who believed their last hour had come (reference #2519)
Other significant earthquakes nearby
Within 200 km, the deadliest first.
- 1809, Guam, US Territories
- May 1834, Agana, Guam, US Territories
- January 25, 1849, Guam, US Territories
- May 16, 1892, Guam, US Territories
- February 10, 1903, Guam, US Territories
- November 1, 1975, Guam, US Territories
- April 23, 1997, Guam, US Territories
- April 26, 2002, Guam, US Territories
- August 8, 1993, Tuman Bay, Apra Harbor, Guam, US Territories
More
Significant earthquakes of 1825The 1800sRecent earthquakes near here
Sources
Significant earthquakes from NOAA’s National Centers for Environmental Information, Global Historical Hazard Database, cited as NCEI/WDS, doi:10.7289/V5PN93H7. Public domain. Read 2026-09-24. NCEI earthquake 1693.