Earthquake details

Friday, October 21, 1955 Earthquake

The earthquake hit Republic of Indonesia on Friday, October 21, 1955 at 23:09 UTC with a magnitude of 6.4. The closest known location in the current dataset is Luwuk (Republic of Indonesia - ID), about 86.4 km away. The epicenter is located at longitude 123.412 and latitude -0.490.

Magnitude	6.4
Alert	Severe
Depth	35.0 km
Coordinates	-0.490, 123.412
UTC time	1955-10-21 23:09:49.250

Location	Luwuk
Country	Indonesia (ID)
Severity	Severe

Earthquake map 1955-10-21

Closest countries

The 12 closest cities near the epicenter.

Luwuk	86.4 km
Gorontalo	120.8 km
Tondano	260.5 km
Manado	271.6 km
Bitung	287.5 km
Poso	312.7 km
Sanana	334.7 km
Palu	396.9 km
Kendari	400.9 km
Masamba	413.0 km
Palopo	453.4 km
Ternate	464.6 km

Nearby earthquakes

The latest 8 earthquakes within 100 km of this epicenter.

M 4.9

Gorontalo

Indonesia · 2026-08-22 19:54 UTC

57.1 km

M 5.2

Gorontalo

Indonesia · 2026-06-04 23:28 UTC

63.0 km

M 5.1

Gorontalo

Indonesia · 2026-01-21 22:44 UTC

87.7 km

M 5.9

Gorontalo

Indonesia · 2025-11-04 23:32 UTC

56.1 km

M 4.2

Gorontalo

Indonesia · 2025-10-18 23:35 UTC

70.1 km

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