Laoag

Earthquakes near Laoag through history

From 1900 to October 19, 2026, USGS recorded 19 earthquakes of magnitude 6 or more within 100 km of Laoag, or 200 km for magnitude 7 and above. 6 of them reached magnitude 7 or more; the strongest on either list was an estimated magnitude 7.9 on August 15, 1897 (Luzon: Ilocos Sur).

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The last 30 days · as of

USGS recorded no earthquake of magnitude 4.5 or more within 100 km of Laoag in the last 30 days.

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What the record holds

The deadliest was not the strongest: a magnitude 6.5 on August 17, 1983 (16 km ENE of Piddig, Philippines), for which NOAA records 16 deaths. NOAA’s list of significant earthquakes has 13 here, back to 1627. NOAA records deaths in 4 of the events here, 45 in all. The latest on NOAA’s list is a magnitude 6.4 on October 25, 2022 (11 km E of Dolores, Philippines). NOAA’s record here begins on September 14, 1627 with an earthquake (W. Luzon Island: Cagayan: Bangui). It grows thinner going back: 7 of the 13 significant earthquakes NOAA lists here are from 1927 on. NOAA lists 3 tsunamis that began within 100 km of Laoag. The highest of them reached 1.03 m, on June 24, 1988.

The events

  • October 25, 2022Earthquake · M 6.411 km E of Dolores, PhilippinesUSGS · NOAA NCEI
  • June 24, 1988Tsunami · 1.03 m highNorth Of Luzon IslandNOAA NCEI
  • August 17, 1983Earthquake · M 6.516 km ENE of Piddig, Philippines · 16 deaths (NOAA)USGS · NOAA NCEI · Wikipedia
  • February 14, 1934Earthquake · M 7.5113 km W of Cabittaogan, PhilippinesUSGS · NOAA NCEI
  • August 15, 1897Earthquake · M 7.9 (est.)Luzon: Ilocos SurNOAA NCEI
  • September 14, 1627Earthquake · M 7.5 (est.)W. Luzon Island: Cagayan: BanguiNOAA NCEI

Good to know

  • An event counts for Laoag when it began within 100 km of its centre, or 200 km for an earthquake of magnitude 7 or more. Damage can reach further.
  • USGS counts here start at magnitude 6: the catalogue’s smaller quakes thin out going back, where few instruments listened.
  • NOAA lists significant events only: earthquakes that killed, did about $1 million of damage, reached magnitude 7.5 or intensity X, or raised a tsunami, and eruptions and tsunamis by like measures. Magnitudes before 1900 are its estimates from written accounts.
  • Deaths are NOAA’s total for each event, wherever people died, its tsunami and fires included. A tsunami counts the dead its runup records give for this place: NOAA’s total for a tsunami includes its source quake’s.
  • A tsunami from elsewhere counts where one of its runups killed or rose a metre or more.
  • Counted to October 19, 2026, as is the map. The last 30 days ask USGS again.

How the layers work, where their data comes from and what they can’t tell you: Earthquakes, live, The world through history

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