Semarang

Earthquakes near Semarang, 1927–2026

From 1927 to October 19, 2026, USGS recorded one earthquake of magnitude 6 or more within 100 km of Semarang, or 200 km for magnitude 7 and above. The strongest was a magnitude 7.4 on July 23, 1943 (87 km SSW of Srandakan, Indonesia).

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The last 30 days · as of

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

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What the record holds

It was also the deadliest: NOAA records 213 deaths for it. 2 earthquakes here in these years are on NOAA’s list of significant earthquakes. NOAA records deaths in 26 of the events here, 2,382 in all. The latest on NOAA’s list is a magnitude 4.5 on July 7, 2024 (7 km ENE of Pekalongan, Indonesia). NOAA lists 26 significant eruptions of 2 volcanoes within 100 km of Semarang. The largest was Merapi on October 26, 2010, at 4 on the volcanic explosivity index. The deadliest was Merapi on December 18, 1930, which killed 1,369 people by NOAA’s count.

The events

  • July 7, 2024Earthquake · M 4.57 km ENE of Pekalongan, IndonesiaUSGS · NOAA NCEI
  • April 18, 2018Earthquake · M 4.524 km SSE of Buaran, Indonesia · 3 deaths (NOAA)USGS · NOAA NCEI
  • October 26, 2010Eruption · VEI 4Merapi · 367 deaths (NOAA)NOAA NCEI · Wikipedia
  • July 23, 1943Earthquake · M 7.487 km SSW of Srandakan, Indonesia · 213 deaths (NOAA)USGS · NOAA NCEI · Wikipedia
  • December 18, 1930Eruption · VEI 3Merapi · 1,369 deaths (NOAA)NOAA NCEI · Wikipedia

Good to know

  • An event counts for Semarang 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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