Significant earthquakes of 1970

February 5, 1970 Earthquake: Odiongan, Luzon, Romblon I, Tablas I, Philippines

February 5, 1970 · M7.1 · 3 deaths

A magnitude 7.1 earthquake struck Odiongan, Luzon, Romblon I, Tablas I, Philippines on February 5, 1970 at 22:05:58 UTC, 11 km below the surface. It killed 3 people.

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
February 5, 1970
Time
22:05:58 UTC
Place
Odiongan, Luzon, Romblon I, Tablas I, Philippines
Magnitude
7.1 (Ms)
Magnitude scales
Ms 7.1 · mb 7
Focal depth
11 km (7 mi)
Tsunami
None recorded
Epicenter
12.600° N, 122.100° E
Region
Central and South Pacific

Ms: surface-wave magnitude. mb: body-wave (P-wave) magnitude. NCEI’s headline magnitude is the best of these for the earthquake.

The toll

Deaths
3
Injuries
Some (about 51 to 100)
Damage
Moderate (about $1 to $5 million)

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.

February 5, 1970, 22:05:58.3 UTC, 12.6 N, 122.1 E, depth 11 km, magnitude 6.6 Ms. Three killed, several injured, moderate damage on Romblon Island. (reference #45)

February 5, 1970, 22:05:58.3 UTC, 12.6 N, 122.1 E, depth 11 km, magnitude 7.0 mb, 7.1 Ms. (reference #1229)

Sources NCEI cites

The publications NCEI lists for this record. The numbers match the “reference #” notes in its account above.

  1. #45 U.S. Department of the Interior, Geological Survey and U.S. Department of Commerce, National Oceanic and Atmospheric Administration (1928-1986). United States Earthquakes, Annual publication, published 1928-1986. vol.s for 1928-1965 issued by the U.S. Coast and Geodetic Survey; volumes for 1966-1969 issued by the National Earthquake Information Center; volume for 1970 issued by the National Geophysical Data Center; volumes for 1971-1972 issued by the National Geophysical And Solar-Terrestrial Data Center; volumes for 1973-1980 published jointly by the National Oceanic and Atmospheric Administration (NOAA) and the U.S. Geological Survey; volumes for 1981-1986 published by the U.S. Geological Survey. [on shelf]
  2. #1229 Bath, M., and S.J. Duda (1979). Some Aspects of Global Seismicity, Report no. 1-79, Seismological Institute, Uppsala, Sweden, 41 p.
  3. #1187 Garcia, L.C., R.G. Valenzuela, and E.P. Arnold (1985). Southeast Asia Association of Seismology, Series on Seismology, vol. IV - Philippines, U.S. Geological Survey.

Other significant earthquakes nearby

Within 200 km, the deadliest first.

More

Significant earthquakes of 1970The 1900sEvery quake the USGS located in 1970Recent earthquakes near hereThis day in weather history

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 2026-10-01. NCEI earthquake 4515. The written accounts and the magnitude estimates are from the USGS earthquake catalog, event iscgem798855, matched to this record by time, place and magnitude.