Earthquake with magnitude of Mwp 6.2 on date 02-08-2021 and time 22:48:53 (UTC) in region Southern Sumatera, Indonesia [Land: Indonesia]

A magnitude Mwp 6.2 earthquake occured in region: Southern Sumatera, Indonesia [Land: Indonesia], on

  • 02-08-2021 22:48:53 (UTC)
  • 03-08-2021 00:48:53 (UTC +02:00) Italian time
  • 03-08-2021 06:48:53 (UTC +08:00) local time in the region of the earthquake (Asia/Singapore)

and geographic coordinates (lat, lon) -3.087, 100.343 at 20 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

Municipalities within 20 km from the epicenter

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

No Italian municipalities within 100 km from the epicenter with at least 50000 inhabitants.

Recent and historical seismicity
Seismic hazard
Shakemap

These three maps show the results of the analysis using the software ShakeMap designed to provide the level of ground shaking experienced in a region using the data recorded by seismometers and strong motion instruments and seismological information regarding the attenuation of the wavefield with distance and the site characteristics. The Shakemaps are determined for research purposes to provide fast estimates of the level of ground shaking produced by the earthquake. The maps are calculated automatically and updated as more data become available. See http://shakemap.ingv.it for additional information. The black star indicates the epicenter. The triangles show the accelerometric and velocimetric stations used in the calculation, colored according to the recorded shaking.

Intensity Shakemap

Intensity Shakemap

This map shows the distribution of instrumental intensities. The intensity is derived through an empirical law that correlates the recorded values of actual ground shaking, e.g., acceleration and velocity, with the macroseismic intensity for Italian earthquakes, as reported in the Italian Macroseismic Database (DBMI15, https://doi.org/10.13127/cpti/cpti15.3).
Peak ground acceleration Shakemap

Peak ground acceleration Shakemap

This map shows the distribution of peak ground acceleration expressed as percent of the acceleration of gravity (i.e., g = 9.81 m/s²).
Peak velocity Shakemap

Peak velocity Shakemap

This map shows the distribution of peak ground velocities expressed in cm/s.
Felt maps
Preliminary map of the earthquake effects from the web questionnaire

Preliminary map of the earthquake effects from the web questionnaire

This map shows the distribution of earthquake resentment in the area, expressed in terms of intensity on the MCS scale (Mercalli-Cancani-Sieberg). Intensities are determined using data from questionnaires collected on the website http://www.hsit.it. The intensities shown are determined considering all the reports received from each municipality, and are all the more reliable the greater the number of questionnaires. The collected data are subjected to an automatic statistical filter, but are not checked individually. In particular, intensities greater than or equal to the VI degree of the MCS or EMS scale require on-site verification by specialized personnel. The black star is the epicenter of the earthquake that occurred. This map is updated every time citizens fill out new questionnaires. The number of questionnaires processed to obtain this map, the date and time of the last update are shown at the top right.
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Reviewed
Rev100
mb 5.4
Mwp 6.2

Mwpd 6.4
2021-08-02
22:48:53
-3.0867 100.343 20 2021-08-02
23:05:29
Sala Sismica INGV-Roma 93580091
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-08-02 22:48:53
Latitude -3.0867
Longitude 100.3430
Depth (km) 20 (from location)
Evaluation mode of Origin automatic
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV-A
Event type earthquake
Origin ID 93580091

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 20619
Semi-minor axis of confidence ellipse (meter) 13574
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 53
Circular confidence region, given by single value of horizontal uncertainty (meter) 16643.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 52.5998
Number of associated phases, regardless of their use for origin computation 84
Number of defining phases 84
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 2.31646
Epicentral distance of station closest to the epicenter (degree) 2.90156
Epicentral distance of station farthest from the epicenter (degree) 77.62918
Number of stations at which the event was observed 75
Number of stations from which data was used for origin computation 75
Magnitudes information

Mwpd:6.4

Field Value
Value 6.4
Uncertainty 0.1
Num. used stations 33
Type of magnitude Mwpd
Reference to an origin 93580091
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2021-08-02 23:05:29

Mwp:6.2

Field Value
Value 6.2
Uncertainty 0.1
Num. used stations 39
Type of magnitude Mwp
Reference to an origin 93580091
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2021-08-02 23:05:29

mb:5.4

Field Value
Value 5.4
Uncertainty 0.1
Num. used stations 52
Type of magnitude mb
Reference to an origin 93580091
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2021-08-02 23:05:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
HL.ARG.HHZ. 2021-08-02T23:00:38.50 10.0 negative automatic P 308 77.6292 -8.14928 0.101317
GE.ISP.BHZ.00 2021-08-02T23:00:37.00 10.0 positive automatic P 310 76.1801 -1.65035 0
IU.ANTO.BHZ.00 2021-08-02T23:00:30.90 10.0 positive automatic P 313 75.0357 -1.19507 0.200508
IU.PET.BHZ.00 2021-08-02T23:00:25.97 10.0 positive automatic P 32 74.1819 -0.999563 0.208649
IU.MA2.BHZ.00 2021-08-02T23:00:25.37 10.0 positive automatic P 24 73.9925 -0.53904 0.230057
GE.CSS.BHZ. 2021-08-02T23:00:20.95 10.0 positive automatic P 308 73.2141 -0.385616 0.232946
KO.GAZ.BHZ. 2021-08-02T23:00:07.60 10.0 positive automatic P 311 70.9077 -0.022674 0.250993
GE.SALP.BHZ. 2021-08-02T23:00:08.15 10.0 positive automatic P 306 70.9105 0.593671 0.216067
GE.EIL.BHZ. 2021-08-02T23:00:04.80 10.0 positive automatic P 303 70.4464 0.116612 0.269083
AU.MAW.BHZ. 2021-08-02T23:00:01.65 10.0 positive automatic pP 194 69.4036 -2.95968 0
AU.MAW.BHZ. 2021-08-02T22:59:58.00 10.0 positive automatic P 194 69.4036 -0.23874 0.0895487
IU.YAK.BHZ.00 2021-08-02T22:59:52.57 10.0 positive automatic P 14 68.8542 -2.27944 0.281064
II.KWJN.BHZ.00 2021-08-02T22:59:51.50 10.0 positive automatic P 79 68.0785 1.51538 0
G.SANVU.BHZ.00 2021-08-02T22:59:43.90 10.0 positive automatic P 105 66.8825 1.47688 0.311385
IU.GNI.BHZ.00 2021-08-02T22:59:40.72 10.0 positive automatic P 317 66.6386 -0.418813 0.287636
ND.KOUNC.BHZ.00 2021-08-02T22:59:29.30 10.0 positive automatic P 111 64.5541 1.88966 0.340689
IU.CASY.BHZ.00 2021-08-02T22:59:21.12 10.0 negative automatic P 175 63.5959 0.01149 0.166863
IU.YSS.BHZ.00 2021-08-02T22:59:11.85 10.0 positive automatic P 31 62.3655 -1.09858 0.324197
JP.JKA.BHZ. 2021-08-02T22:58:59.10 10.0 positive automatic sP 36 58.5698 4.63825 0
II.RAYN.BHZ.00 2021-08-02T22:58:54.15 10.0 positive automatic P 300 59.6159 -0.217522 0.192412
II.ERM.BHZ.00 2021-08-02T22:58:52.87 10.0 positive automatic P 36 59.4546 -0.277966 0.270879
IU.HNR.BHZ.00 2021-08-02T22:58:52.92 10.0 positive automatic P 99 59.5184 -0.678598 0.268221
II.TAU.BHZ.00 2021-08-02T22:58:43.37 10.0 positive automatic P 141 57.6088 3.07261 0.416549
JP.JTM.BHZ. 2021-08-02T22:58:38.35 10.0 positive automatic P 36 57.4637 -0.920857 0.400758
II.KURK.BHZ.00 2021-08-02T22:58:34.17 10.0 positive automatic P 344 56.9266 -1.31429 0.440784
AU.ARMA.BHZ. 2021-08-02T22:58:27.75 10.0 positive automatic P 125 55.5383 2.01383 0.477691
G.CAN.BHZ.00 2021-08-02T22:58:25.10 10.0 positive automatic P 132 55.291 1.22118 0.481512
GE.VOI.BHZ. 2021-08-02T22:58:24.15 10.0 negative automatic P 245 55.2114 0.765257 0.482745
II.TLY.BHZ.00 2021-08-02T22:58:20.02 10.0 positive automatic P 3 54.837 -0.560204 0.436589
AU.EIDS.BHZ. 2021-08-02T22:58:11.70 10.0 negative automatic P 120 53.5512 0.549822 0.440625
IU.MAJO.BHZ.00 2021-08-02T22:58:05.32 10.0 positive automatic P 38 53.0356 -2.06632 0.46205
IU.MAKZ.BHZ.00 2021-08-02T22:58:01.72 10.0 positive automatic P 344 52.4529 -1.39352 0.520251
JP.JGF.BHZ. 2021-08-02T22:57:57.05 10.0 positive automatic P 38 51.9038 -1.97994 0.247093
G.INU.BHZ.00 2021-08-02T22:57:54.71 10.0 positive automatic P 38 51.5376 -1.50598 0.454745
II.AAK.BHZ.00 2021-08-02T22:57:54.67 10.0 positive automatic P 336 51.3437 -0.353103 0.486619
IU.ULN.BHZ.00 2021-08-02T22:57:53.87 10.0 positive automatic P 6 51.2873 -0.725871 0.532793
II.UOSS.BHZ.00 2021-08-02T22:57:52.92 10.0 positive automatic P 306 51.1648 -0.528649 0
II.SIMI.BHZ.00 2021-08-02T22:57:48.45 10.0 positive automatic P 328 50.7683 -1.96984 0.500445
JP.JMN.BHZ. 2021-08-02T22:57:32.40 10.0 positive automatic P 38 48.5204 -0.984119 0.436223
AU.QLP.BHZ. 2021-08-02T22:57:30.60 10.0 positive automatic P 124 48.114 0.399294 0.591967
IU.CTAO.BHZ.00 2021-08-02T22:57:28.05 10.0 positive automatic P 115 47.8545 -0.16494 0.589466
AU.HTT.BHZ. 2021-08-02T22:57:22.82 10.0 positive automatic P 135 47.0656 0.683874 0.624686
JP.JSU.BHZ. 2021-08-02T22:57:03.65 10.0 positive automatic P 37 44.9009 -1.36727 0.302664
JP.JOW.BHZ. 2021-08-02T22:56:27.80 10.0 positive automatic P 40 40.2761 0.389744 0.342451
AU.FORT.BHZ.00 2021-08-02T22:56:10.90 10.0 positive automatic P 140 38.0901 1.76653 0.784575
II.WRAB.BHZ.00 2021-08-02T22:56:00.75 10.0 positive automatic P 120 37.2069 -0.946981 0.802123
JP.YOJ.BHZ. 2021-08-02T22:55:45.05 10.0 positive automatic P 37 35.2757 -0.076047 0.388231
IU.NWAO.BHZ.00 2021-08-02T22:55:34.25 10.0 positive automatic P 154 33.7732 2.0545 0.796348
AU.KDU.BHZ.00 2021-08-02T22:55:25.18 10.0 negative automatic P 109 33.195 -1.91769 0.781887
AU.MTN.BHZ.00 2021-08-02T22:55:14.88 10.0 negative automatic P 110 31.9699 -1.50164 0.788182
GE.FAKI.BHZ. 2021-08-02T22:55:13.22 10.0 positive automatic P 91 31.86 -2.18929 0.589618
AU.MORW.BHZ. 2021-08-02T22:55:00.92 10.0 positive automatic P 152 29.9572 2.26213 0.91954
IN.SHL.HHZ. 2021-08-02T22:54:56.55 10.0 positive automatic P 344 29.8096 -0.751211 0.970874
AU.FITZ.BHZ. 2021-08-02T22:54:49.80 10.0 negative automatic P 123 28.9718 -0.0875848 0.963855
IU.MBWA.BHZ.00 2021-08-02T22:54:25.30 10.0 positive automatic P 135 26.1211 0.933246 0.869565
GE.SANI.BHZ. 2021-08-02T22:54:18.57 10.0 positive automatic P 88 25.6385 -1.39118 0.909091
RM.SLV.BHZ. 2021-08-02T22:54:09.92 10.0 positive automatic P 8 24.659 -1.24187 0.888889
GE.SOEI.BHZ. 2021-08-02T22:54:07.82 10.0 positive automatic P 107 24.675 -3.55922 0.43956
GE.MALK.BHZ. 2021-08-02T22:53:59.07 10.0 negative automatic P 300 22.841 5.50068 0.888889
II.PALK.BHZ.00 2021-08-02T22:53:54.15 10.0 negative automatic P 298 22.1689 7.65395 0.43956
GE.HALK.BHZ. 2021-08-02T22:53:51.75 10.0 positive automatic sP 295 21.6711 3.76266 0
GE.LUWI.BHZ. 2021-08-02T22:53:49.37 10.0 positive automatic P 85 22.5049 -0.617999 0.754717
GE.MMRI.BHZ. 2021-08-02T22:53:48.82 10.0 positive automatic P 105 22.465 -0.76794 0.909091
IU.CHTO.BHZ.00 2021-08-02T22:53:40.42 10.0 positive automatic P 356 21.943 -3.65767 0.43956
MY.LDM.BHZ. 2021-08-02T22:53:24.22 10.0 positive automatic P 66 19.9295 1.93376 0.8
II.KAPI.BHZ.00 2021-08-02T22:53:16.42 10.0 positive automatic P 96 19.4537 -0.695825 0.761905
GE.BKB.BHZ. 2021-08-02T22:52:46.92 10.0 positive automatic P 84 16.6671 2.80712 0.615385
AU.XMI.BHZ. 2021-08-02T22:52:34.45 10.0 positive automatic S 144 9.0746 -7.55072 0
GE.JAGI.BHZ. 2021-08-02T22:52:16.22 10.0 positive automatic P 112 14.7502 -2.96869 0.930233
MY.SBM.BHZ. 2021-08-02T22:52:00.77 10.0 positive automatic P 65 13.095 4.15194 0.888889
GE.SMRI.BHZ. 2021-08-02T22:51:28.27 10.0 positive automatic P 112 10.8081 2.93208 0.930233
II.COCO.BHZ.00 2021-08-02T22:51:05.67 10.0 positive automatic P 201 9.743 -5.05155 0.952381
GE.LHMI.BHZ. 2021-08-02T22:50:59.92 10.0 positive automatic P 338 8.9804 -0.345186 0.97561
GE.GSI.BHZ. 2021-08-02T22:50:06.82 10.0 positive automatic P 328 5.1893 -1.42143 0.952381
GE.BKNI.BHZ. 2021-08-02T22:49:46.42 10.0 positive automatic P 12 3.4831 1.63376 0.909091
GE.MNAI.BHZ. 2021-08-02T22:49:37.02 10.0 positive automatic P 116 2.9016 0.214293 0.869565
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download