| Magnitude | 5.5 |
| Alert | Strong |
| Depth | 36.7 km |
| Coordinates | 1.868, 97.129 |
| UTC time | 1988-12-20 03:35:17.810 |
Earthquake details
Tuesday, December 20, 1988 Earthquake
The earthquake hit Republic of Indonesia on Tuesday, December 20, 1988 at 03:35 UTC with a magnitude of 5.5. The closest known location in the current dataset is Gunungsitoli (Republic of Indonesia - ID), about 84.1 km away. The epicenter is located at longitude 97.129 and latitude 1.868.
| Location | Gunungsitoli |
| Country | Indonesia (ID) |
| Severity | Strong |
Earthquake map 1988-12-20
Closest countries
The 12 closest cities near the epicenter.
| Gunungsitoli | 84.1 km |
| Singkil | 87.0 km |
| Sibolga | 184.4 km |
| Kabanjahe | 204.3 km |
| Tarutung | 205.0 km |
| Berastagi | 213.0 km |
| Padangsidempuan | 244.5 km |
| Binjai | 244.8 km |
| Pematangsiantar | 247.6 km |
| Sunggal | 251.9 km |
| Medan | 256.3 km |
| Pekan Bahapal | 266.3 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 4.2
Gunungsitoli
Indonesia · 2026-06-10 14:45 UTC
79.4 km
M 4.7
Gunungsitoli
Indonesia · 2026-05-29 01:10 UTC
40.7 km
M 4.3
Gunungsitoli
Indonesia · 2026-04-19 00:01 UTC
72.9 km
M 5.7
Gunungsitoli
Indonesia · 2026-04-18 20:06 UTC
68.9 km
M 4.1
Gunungsitoli
Indonesia · 2026-03-11 10:05 UTC
79.6 km
M 5.2
Gunungsitoli
Indonesia · 2026-03-08 06:05 UTC
62.7 km
M 4.0
Singkil
Indonesia · 2026-03-03 05:59 UTC
69.2 km
M 6.2
Gunungsitoli
Indonesia · 2026-03-03 04:56 UTC
50.7 km
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