Indonesia earthquakes

M4.2 earthquake 204 km WSW of Tual, Indonesia

A magnitude 4.2 earthquake struck 204 km WSW of Tual, Indonesia on Thu, Jul 23, 1987, 1:14 AM GMT+9 (16:14 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M5.0 245 km W of Tual, Indonesia. This one was a foreshock.

Tual forecastMore in Indonesia

Map

Where this earthquake was located, with the others nearby. Select one for its page.

Open the live map with earthquakes

The earthquake

Magnitude
4.2 (mb), light
Local time
UTC
1987-07-22 16:14:41 UTC
Depth
33.0 km (20.5 mi), shallow
Epicenter
6.285° S, 131.029° 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

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 7 in the 60 days after this one and 3 in the 30 days before it.

After

  1. 5.0245 km W of Tual, Indonesia · 14306 days ago · 110 km deep · 57 km away
  2. 4.4190 km W of Tual, Indonesia · 14284 days ago · 125 km deep · 39 km away
  3. 4.7149 km W of Tual, Indonesia · 14282 days ago · 86 km deep · 83 km away
  4. 4.7267 km WSW of Tual, Indonesia · 14279 days ago · 85 km deep · 70 km away
  5. 4.4267 km WSW of Tual, Indonesia · 14272 days ago · 157 km deep · 67 km away
  6. 4.2232 km SW of Tual, Indonesia · 14263 days ago · 123 km deep · 92 km away
  7. 4.6276 km WSW of Tual, Indonesia · 14255 days ago · 186 km deep · 73 km away

Before

  1. 4.3277 km WSW of Tual, Indonesia · 14321 days ago · 145 km deep · 80 km away
  2. 4.1251 km W of Tual, Indonesia · 14323 days ago · 33 km deep · 82 km away
  3. 3.7159 km W of Tual, Indonesia · 14335 days ago · 117 km deep · 61 km away

Earthquakes todayIndonesia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp00036vk. Read Tue, Sep 22, 2026, 10:01 AM UTC.