Indonesia earthquakes

M4.9 earthquake 109 km SW of Ternate, Indonesia

A magnitude 4.9 earthquake struck 109 km SW of Ternate, Indonesia on Thu, Aug 21, 2003, 12:28 PM GMT+9 (03:28 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M6.4 147 km WSW of Ternate, Indonesia. This one was a foreshock.

Ternate forecastMore in Indonesia

Map

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

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The earthquake

Magnitude
4.9 (mb), light
Local time
UTC
2003-08-21 03:28:15 UTC
Depth
33.0 km (20.5 mi), shallow
Epicenter
0.019° N, 126.772° 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
Station coverage gap
131°
Stations used
12

Nearest places

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

Nearby

Within 100 km, magnitude 1.9 and up: 11 in the 60 days after this one and 1 in the 30 days before it.

After

  1. 4.725 km W of Ternate, Indonesia · 8440 days ago · 33 km deep · 93 km away
  2. 5.5149 km WSW of Ternate, Indonesia · 8434 days ago · 70 km deep · 69 km away
  3. 4.5205 km SW of Ternate, Indonesia · 8425 days ago · 33 km deep · 96 km away
  4. 5.4124 km WSW of Ternate, Indonesia · 8407 days ago · 50 km deep · 74 km away
  5. 4.7137 km WSW of Ternate, Indonesia · 8407 days ago · 33 km deep · 81 km away
  6. 4.8110 km WSW of Ternate, Indonesia · 8407 days ago · 33 km deep · 74 km away
  7. 4.795 km W of Ternate, Indonesia · 8394 days ago · 33 km deep · 95 km away
  8. 6.4147 km WSW of Ternate, Indonesia · 8383 days ago · 33 km deep · 88 km away
  9. 4.6126 km WSW of Ternate, Indonesia · 8382 days ago · 33 km deep · 76 km away
  10. 4.7104 km W of Ternate, Indonesia · 8382 days ago · 33 km deep · 76 km away
  11. 4.749 km WSW of Ternate, Indonesia · 8382 days ago · 33 km deep · 69 km away

Before

  1. 4.7126 km S of Sofifi, Indonesia · 8460 days ago · 103 km deep · 96 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp000c5gd. Read Wed, Sep 30, 2026, 3:10 PM UTC.