Bayawan

Earthquakes near Bayawan through history

From 1900 to October 19, 2026, USGS recorded 16 earthquakes of magnitude 6 or more within 100 km of Bayawan, or 200 km for magnitude 7 and above. 5 of them reached magnitude 7 or more; the strongest was a magnitude 7.8 on January 24, 1948 (3 km W of Buga, Philippines).

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The last 30 days · as of

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

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What the record holds

The deadliest was not the strongest: a magnitude 7.4 on March 31, 1955 (Mindanao, Philippines), for which NOAA records 465 deaths. NOAA’s list of significant earthquakes has 7 here, back to 1922. NOAA records deaths in 5 of the events here, 829 in all. The latest on NOAA’s list is a magnitude 7.1 on October 15, 2013 (4 km SE of Sagbayan, Philippines). NOAA’s record here begins on March 1, 1922 with an earthquake (Siaton,Zamboanguita). 3 of the 7 significant earthquakes NOAA lists here came before 1927. NOAA lists 4 tsunamis that began within 100 km of Bayawan. The highest water NOAA records here was 5 m, on February 6, 2012.

The events

Good to know

  • An event counts for Bayawan 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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