Harman Patil (Editor)

List of earthquakes in 1921

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Total fatalities  51
8.0−8.9  0
9.0+  0
List of earthquakes in 1921
4.0−5.9 magnitude 6.0−6.9 magnitude  7.0−7.9 magnitude 8.0+ magnitude
Strongest magnitude  Badakhshan Province, Afghanistan November 15 (Magnitude 7.8)
Deadliest  off the coast of Massawa, Eritrea August 14 (Magnitude 5.9) 51 deaths

This is a list of earthquakes in 1921. Only magnitude 6.0 or greater earthquakes appear on the list. Lower magnitude events are included if they have caused death, injury or damage. Events which occurred in remote areas will be excluded from the list as they wouldn't have generated significant media interest. All dates are listed according to UTC time. In a stark contrast to 1920, the death toll for this year was only 51. Indonesia and Japan were very active.

Contents

By death toll

  • Note: At least 10 casualties
  • By magnitude

  • Note: At least 7.0 magnitude
  • January–March

  • A magnitude 7.0 earthquake struck Quiche Department, Guatemala on February 4 at a depth of 15.0 km.
  • A magnitude 6.3 earthquake struck West Papua (province), Indonesia on February 19 at a depth of 15.0 km.
  • A magnitude 6.9 earthquake struck Papua (province), Indonesia on February 19 at a depth of 25.0 km.
  • A magnitude 7.4 earthquake struck Tonga on February 27 at a depth of 15.0 km.
  • A magnitude 6.9 earthquake struck off the east coast of Honshu, Japan on March 3 at a depth of 35.0 km.
  • A magnitude 6.6 earthquake struck the Nicobar Islands, India on March 5 at a depth of 20.0 km.
  • A magnitude 6.0 earthquake struck the Banda Sea, Indonesia on March 23 at a depth of 50.0 km.
  • A magnitude 6.6 earthquake struck off the east coast of Kamchatka, Russia on March 24 at a depth of 25.0 km.
  • A magnitude 7.3 earthquake struck El Paraiso Department, Honduras on March 28 at a depth of 15.0 km.
  • A magnitude 6.6 earthquake struck the Barat Daya Islands, Indonesia on March 30 at a depth of 170.0 km.
  • April–June

  • A magnitude 6.8 earthquake struck off the west coast of northern Sumatra, Indonesia on April 1 at a depth of 35.0 km.
  • A magnitude 6.5 earthquake struck the Santa Cruz Islands on April 1 at a depth of 35.0 km.
  • A magnitude 7.0 earthquake struck the Ryukyu Islands, Japan on April 2 at a depth of 15.0 km.
  • A magnitude 6.5 earthquake struck west of Haida Gwaii, Canada on April 10 at a depth of 35.0 km.
  • A magnitude 6.4 earthquake struck off the coast of Colima, Mexico on May 1 at a depth of 15.0 km.
  • A magnitude 6.4 earthquake struck west of Bougainville Island, Papua New Guinea on May 12 at a depth of 35.0 km.
  • A magnitude 6.2 earthquake struck in the Makassar Strait, Indonesia on May 14 at an unknown depth. A few homes were damaged or destroyed.
  • A magnitude 6.6 earthquake struck Nuristan Province, Afghanistan on May 20 at a depth of 35.0 km.
  • A magnitude 6.4 earthquake struck northeast of Samar, Philippines on May 21 at a depth of 35.0 km.
  • A magnitude 6.7 earthquake struck Hawke's Bay, North Island, New Zealand on June 28 at a depth of 25.0 km.
  • July–September

  • A magnitude 7.4 earthquake struck the Ryukyu Islands, Japan on July 4 at a depth of 35.0 km.
  • A magnitude 6.0 earthquake struck off the northeast coast of Halmahera, Indonesia on July 15 at a depth of 140.0 km.
  • An earthquake struck Liaoning Province, China on August 4. The magnitude, depth and epicenter were unknown. A few homes were destroyed and a tsunami flooded the area after breaching a levee.
  • A magnitude 5.9 earthquake struck off the coast of Massawa, Eritrea on August 14 at an unknown depth. At least 51 people were killed and major damage was caused in the area.
  • A magnitude 7.6 earthquake struck south of Java, Indonesia on September 11 at a depth of 15.0 km. A minor tsunami was generated and some light damage was reported on Java, Indonesia.
  • A magnitude 6.5 earthquake struck the eastern Sea of Japan on September 27 at a depth of 5.0 km.
  • October–December

  • A magnitude 6.6 earthquake struck Papua (province), Indonesia on October 10 at a depth of 35.0 km. Some damage was caused in the area.
  • A magnitude 6.6 earthquake struck off the northeastern coast of Iturup, Kuril Islands, Russia on October 12 at a depth of 100.0 km.
  • A magnitude 7.1 earthquake struck the Santa Cruz Islands, Solomon Islands on October 15 at a depth of 35.0 km.
  • A magnitude 7.2 earthquake struck Tarapaca Region, Chile on October 20 at a depth of 113.6 km.
  • A magnitude 6.6 earthquake struck southeast of Mindanao, Philippines on November 7 at a depth of 35.0 km. Some homes were damaged. This marked the start of a series of earthquakes in November 1921 in this area.
  • A magnitude 7.4 earthquake struck east of Mindanao, Philippines on November 11 at a depth of 15.0 km. Some homes were damaged in the area.
  • A magnitude 6.3 earthquake struck La Guajira Department, Colombia on November 13 at a depth of 15.0 km.
  • A magnitude 7.8 earthquake struck Badakhshan Province, Afghanistan on November 15 at a depth of 240.0 km.
  • A magnitude 7.0 earthquake struck Ibaraki Prefecture, Honshu, Japan on December 8 at a depth of 35.0 km.
  • A magnitude 7.3 earthquake struck Loreto Region, Peru on December 18 at a depth of 540.0 km.
  • References

    List of earthquakes in 1921 Wikipedia


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