M5.8 earthquake 33 km SSW of Sumberpucung, Indonesia
A magnitude 5.8 earthquake struck 33 km SSW of Sumberpucung, Indonesia on Fri, May 21, 2021, 7:09 PM GMT+7 (12:09 UTC), 106 km (66 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.8 (mww), moderate
- Local time
- UTC
- 2021-05-21 12:09:22 UTC
- Depth
- 106.0 km (65.9 mi), intermediate-depth
- Epicenter
- 8.421° S, 112.332° E
- Region
- Indonesia
- Felt reports
- 40
- Strongest shaking
- IV, light shaking
- PAGER alert
- Green
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Shaking
The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.
- Strongest estimated
- IV, light shaking
- Peak ground acceleration
- 2.8% of gravity
- Peak ground velocity
- -0.0 cm/s
- Map
- Automatic
Did you feel it?
40 people reported to the USGS what they felt; the strongest reported shaking was V, moderate shaking.
Estimated impact
The USGS PAGER system estimates deaths and economic losses from the shaking and the population and buildings exposed to it.
- Alert level
- Green: little or no damage or loss of life expected
| Range | Chance |
|---|---|
| Under 1 | 65% |
| 1 to 10 | 30% |
| 10 to 100 | 4% |
| 100 to 1,000 | Under 1% |
| 1,000 to 10,000 | Under 1% |
| 10,000 to 100,000 | Under 1% |
| 100,000 to 10,000,000 | Under 1% |
| Range, million USD | Chance |
|---|---|
| Under 1 | 65% |
| 1 to 10 | 30% |
| 10 to 100 | 4% |
| 100 to 1,000 | Under 1% |
| 1,000 to 10,000 | Under 1% |
| 10,000 to 100,000 | Under 1% |
| 100,000 to 10,000,000 | Under 1% |
Fault motion and ground failure
How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.
- Faulting
- Reverse (thrust)
- Moment magnitude
- 5.8 Mww
- Nodal plane 1
- Strike 355°, dip 29°, rake 115°
- Nodal plane 2
- Strike 147°, dip 64°, rake 77°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 3.6 km horizontally, 1.9 km in depth
- Magnitude uncertainty
- ±0.06
- Depth from
- From modeling of broad-band P waveforms
- Station coverage gap
- 23°
- Stations used
- 185
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.8 and up: 3 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.068 km SSE of Dampit, Indonesia · 1946 days ago · 83 km deep · 83 km away
- 4.118 km SSW of Sumberpucung, Indonesia · 1938 days ago · 116 km deep · 17 km away · felt by 1
- 4.492 km SSW of Kencong, Indonesia · 1908 days ago · 61 km deep · 100 km away
Before
Earthquakes todayIndonesia earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000e50p (also filed as usauto7000e50p, iscgem620435998). Read Mon, Sep 28, 2026, 4:39 AM UTC.