M5.3 earthquake 242 km WSW of Tual, Indonesia
A magnitude 5.3 earthquake struck 242 km WSW of Tual, Indonesia on Fri, Sep 23, 1977, 12:42 AM GMT+9 (15:42 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M5.4 273 km WSW of Tual, Indonesia. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.3 (mb), moderate
- Local time
- UTC
- 1977-09-22 15:42:25 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 6.320° S, 130.671° E
- Region
- Indonesia
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Depth from
- OPERATOR_ASSIGNED
- Stations used
- 23
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.3 and up: 4 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.9285 km WSW of Tual, Indonesia · 17890 days ago · 172 km deep · 47 km away
- 4.8235 km WSW of Tual, Indonesia · 17878 days ago · 61 km deep · 46 km away
- 5.4273 km WSW of Tual, Indonesia · 17871 days ago · 113 km deep · 32 km away
- 4.8245 km WSW of Tual, Indonesia · 17846 days ago · 131 km deep · 6 km away
Before
Earthquakes todayIndonesia earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000qs3. Read Tue, Sep 22, 2026, 9:39 AM UTC.