Catbalogan

Earthquakes near Catbalogan through history

From 1900 to October 19, 2026, USGS recorded 32 earthquakes of magnitude 6 or more within 100 km of Catbalogan, or 200 km for magnitude 7 and above. 8 of them reached magnitude 7 or more; the strongest on either list was an estimated magnitude 8.1 on October 18, 1897 (Northern Samar).

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The last 30 days · as of

USGS recorded one earthquake of magnitude 4.5 or more within 100 km of Catbalogan in the last 30 days.

The latest: magnitude 4.6 on October 20 (7 km SE of San Julian, Philippines).

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What the record holds

The deadliest was not the strongest: a magnitude 6.5 on July 6, 2017 (2 km S of Lim-oo, Philippines), for which NOAA records 4 deaths. NOAA’s list of significant earthquakes has 15 here, back to 1743. NOAA records deaths in 5 of the events here, 10 in all. The latest on NOAA’s list is a magnitude 6.6 on August 18, 2020 (13 km E of San Pedro, Philippines). NOAA’s record here begins in September 1743 with an earthquake (Leyte). 7 of the 15 significant earthquakes NOAA lists here came before 1927. NOAA lists 2 tsunamis that began within 100 km of Catbalogan, and one from elsewhere that reached it with deaths or a metre of water or more. The highest water NOAA records here was 2 m, on April 21, 1995. The deadliest here came on October 31, 1975 from a magnitude 7.6 earthquake (Philippine Trench): NOAA’s runup records count one death within 100 km of Catbalogan.

The events

  • August 18, 2020Earthquake · M 6.613 km E of San Pedro, Philippines · 2 deaths (NOAA)USGS · NOAA NCEI · Wikipedia
  • July 6, 2017Earthquake · M 6.52 km S of Lim-oo, Philippines · 4 deaths (NOAA)USGS · NOAA NCEI · Wikipedia
  • April 21, 1995Tsunami · 2 m hereSamar IslandNOAA NCEI
  • October 31, 1975Tsunami · 3 m highPhilippine Trench · one death here (NOAA)NOAA NCEI
  • October 18, 1897Earthquake · M 8.1 (est.)Northern SamarNOAA NCEI
  • May 13, 1897Earthquake · M 7.9 (est.)Masbate IslandNOAA NCEI
  • September 1743EarthquakeLeyteNOAA NCEI

Good to know

  • An event counts for Catbalogan 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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