Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 16-08-2021 and time 16:56:40 (Italy) in region 4 km NW Incudine (BS)

A magnitude ML 1.4 earthquake occured in region: 4 km NW Incudine (BS), on

  • 16-08-2021 14:56:40 (UTC)
  • 16-08-2021 16:56:40 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.2540, 10.3360 at 6 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Incudine BS 4 385 385
Monno BS 5 555 940
Vezza d'Oglio BS 5 1457 2397
Mazzo di Valtellina SO 6 1022 3419
Grosotto SO 7 1622 5041
Grosio SO 7 4443 9484
Tovo di Sant'Agata SO 7 628 10112
Vervio SO 7 217 10329
Edolo BS 8 4572 14901
Lovero SO 8 661 15562
Vione BS 9 691 16253
Sondalo SO 9 4136 20389
Sonico BS 10 1264 21653
Temù BS 10 1105 22758
Sernio SO 11 486 23244
Corteno Golgi BS 12 1976 25220
Tirano SO 13 9130 34350
Ponte di Legno BS 14 1729 36079
Malonno BS 15 3261 39340
Villa di Tirano SO 17 3000 42340
Berzo Demo BS 18 1671 44011
Aprica SO 18 1588 45599
Bianzone SO 19 1285 46884
Cevo BS 19 898 47782
Paisco Loveno BS 20 183 47965
Cedegolo BS 20 1223 49188
Saviore dell'Adamello BS 20 916 50104
Valdisotto SO 20 3556 53660

Municipalities with at least 50000 inhabitants

An earthquake occurred to
64 Km W of Trento (117317 inhabitants)
80 Km N of Brescia (196480 inhabitants)
81 Km NE of Bergamo (119381 inhabitants)
83 Km W of Bolzano (106441 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Bulletin
Rev1000 		ML 1.4 2021-08-16
14:56:40		 46.2542 10.336 6 2021-12-29
11:12:21		 Bollettino Sismico Italiano INGV 94422581
Reviewed
Rev100 		ML 1.4 2021-08-16
14:56:40		 46.2797 10.3385 10 2021-08-16
15:11:30		 Sala Sismica INGV-Roma 94260621
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-08-16 14:56:40 ± 0.12
Latitude 46.2542 ± 0.0054
Longitude 10.3360 ± 0.0117
Depth (km) 6 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 94422581

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 764
Semi-minor axis of confidence ellipse (meter) 613
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 68
Circular confidence region, given by single value of horizontal uncertainty (meter) 760.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 85
Number of associated phases, regardless of their use for origin computation 43
Number of defining phases 29
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.93260
Number of stations at which the event was observed 33
Number of stations from which data was used for origin computation 19
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 25
Type of magnitude ML
Reference to an origin 94260621
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-08-16 15:11:30

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 26
Type of magnitude ML
Reference to an origin 94422581
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-12-17 20:45:26
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RIBO.EHZ.01 2021-08-16T14:58:26.80 3.0 undecidable manual Sg 14.46 0
IV.ARCI.HHZ. 2021-08-16T14:58:24.65 3.0 undecidable manual Sg 8.56 0
IV.TST01.HHZ. 2021-08-16T14:58:15.22 3.0 negative manual Pg 15.19 0
IV.ATMI.HHZ. 2021-08-16T14:58:14.02 3.0 undecidable manual Sn 4.6 0
IV.ATFO.HHZ. 2021-08-16T14:58:13.55 3.0 undecidable manual Sn 2.48 0
IV.SACR.HHZ. 2021-08-16T14:58:09.10 3.0 undecidable manual Pn 3.24 0
IV.GIUL.HHZ. 2021-08-16T14:58:07.78 3.0 positive manual Pg 10.78 0
IV.PTRJ.HNZ. 2021-08-16T14:58:05.85 3.0 undecidable manual Pn 0.54 0
GU.MGRO.HHZ. 2021-08-16T14:58:04.98 3.0 undecidable manual Sn 4.94 0
IV.FIR.HHZ. 2021-08-16T14:58:03.29 3.0 undecidable manual Sg 10.02 0
IV.MCI.EHZ. 2021-08-16T14:57:59.03 3.0 negative manual Pn -1.23 0
IV.LAV9.HNZ. 2021-08-16T14:57:53.25 3.0 undecidable manual Pn -0.14 0
IT.FIE.HGZ. 2021-08-16T14:57:51.91 3.0 undecidable manual Sn -0.76 0
IV.EL6.EHZ. 2021-08-16T14:57:39.24 3.0 positive manual Pn 4.53 0
IV.CTI.HHZ. 2021-08-16T14:56:59.48 0.6 undecidable manual P 102 103.5186 50 0.59 38
SI.LUSI.HHZ. 2021-08-16T14:56:58.93 0.3 undecidable manual S 125 56.9985 50 -0.79 58
ST.ZIAN.EHZ. 2021-08-16T14:56:58.08 0.6 undecidable manual P 88 94.1391 50 0.63 38
ST.GAGG.HHZ. 2021-08-16T14:56:57.44 0.6 undecidable manual S 111 51.4152 50 -0.78 39
IV.BAG8.EHZ. 2021-08-16T14:56:56.42 0.6 undecidable manual S 168 48.9177 50 -1.12 34
SI.KOSI.HHZ. 2021-08-16T14:56:56.00 0.1 undecidable manual P 73 83.0502 50 0.26 87
ST.DOSS.HHZ. 2021-08-16T14:56:55.55 0.1 undecidable manual P 122 77.5668 50 0.66 78
IV.MDI.HHE. 2021-08-16T14:56:54.29 0.6 undecidable manual P 222 71.8725 50 0.27 44
ST.RONC.EHZ. 2021-08-16T14:56:53.15 0.6 undecidable manual S 144 37.5291 98 -0.84 39
ST.VARA.EHZ. 2021-08-16T14:56:52.92 0.1 undecidable manual P 138 64.1913 50 0.09 93
SI.LUSI.HHZ. 2021-08-16T14:56:51.61 0.1 undecidable manual P 125 56.9985 50 -0.12 94
ST.CARE.HNZ. 2021-08-16T14:56:51.97 0.6 undecidable manual S 55 33.3444 99 -0.58 44
ST.OZOL.EHZ. 2021-08-16T14:56:51.70 0.1 undecidable manual P 73 57.2982 50 -0.07 95
IT.BNO.HNE. 2021-08-16T14:56:51.98 0.3 undecidable manual S 186 34.1436 99 -0.82 59
ST.GAGG.HHZ. 2021-08-16T14:56:51.09 0.3 undecidable manual P 111 51.4152 50 0.22 70
IV.BAG8.EHZ. 2021-08-16T14:56:50.59 0.1 undecidable manual P 168 48.9177 50 0.12 95
CH.BERNI.HHZ. 2021-08-16T14:56:50.32 0.6 undecidable manual S 307 29.748 101 -1.01 37
SI.MOSI.HHZ. 2021-08-16T14:56:49.51 0.3 undecidable manual P 22 43.3233 97 -0.06 73
IV.MABI.HHZ. 2021-08-16T14:56:49.95 0.6 undecidable manual S 148 25.9518 102 -0.09 50
IV.BORM.HNZ. 2021-08-16T14:56:48.84 0.6 undecidable manual S 7 24.0537 103 -0.55 45
ST.RONC.EHZ. 2021-08-16T14:56:48.62 0.1 undecidable manual P 144 37.5291 98 0.2 96
IT.BNO.HNE. 2021-08-16T14:56:48.30 0.3 undecidable manual P 186 34.1436 99 0.56 66
CH.FUORN.HHZ. 2021-08-16T14:56:48.78 0.3 undecidable manual P 352 41.0256 98 -0.32 70
IV.BRMO.HHZ. 2021-08-16T14:56:48.98 0.6 undecidable manual S 6 24.753 103 -0.64 43
ST.CARE.HNZ. 2021-08-16T14:56:47.57 0.1 positive manual P 55 33.3444 99 -0.02 100
CH.BERNI.HHZ. 2021-08-16T14:56:46.96 0.1 undecidable manual P 307 29.748 101 0.08 99
IV.MABI.HHZ. 2021-08-16T14:56:46.70 0.1 undecidable manual P 148 25.9518 102 0.56 89
IV.BORM.HNZ. 2021-08-16T14:56:46.21 0.1 undecidable manual P 7 24.0537 103 0.45 93
IV.BRMO.HHZ. 2021-08-16T14:56:46.26 0.1 undecidable manual P 6 24.753 103 0.36 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BRMO.HHE. ML:1.6 0.00022607060000000002 0.0896 AML other m 2021-08-16T14:56:49.20
IV.BRMO.HHN. ML:1.4 0.00016700000000000002 0.12 AML other m 2021-08-16T14:56:49.37
IV.MABI.HHN. ML:1.1 0.00007499734499999999 1.936 AML other m 2021-08-16T14:56:50.99
IV.MABI.HHE. ML:1.1 0.00007189999999999999 0.24 AML other m 2021-08-16T14:56:50.14
CH.BERNI.HHE. ML:1.3 0.000100235485 0.0896 AML other m 2021-08-16T14:56:50.70
CH.BERNI.HHN. ML:1.2 0.000075300045 0.0768 AML other m 2021-08-16T14:56:51.30
ST.CARE.HNE. ML:1.6 0.00018067937500000002 1.0144 AML other m 2021-08-16T14:56:51.45
ST.CARE.HNN. ML:2.0 0.000393054 0.3968 AML other m 2021-08-16T14:56:52.35
ST.CARE.EHN. ML:0.8 0.000031099625000000005 0.0512 AML other m 2021-08-16T14:56:52.83
ST.CARE.EHE. ML:1.0 0.000039478030000000006 0.0768 AML other m 2021-08-16T14:56:53.01
CH.FUORN.HHE. ML:1.0 0.00003301225 0.32 AML other m 2021-08-16T14:56:53.53
ST.RONC.EHN. ML:1.7 0.0002094 1.34 AML other m 2021-08-16T14:56:53.72
ST.RONC.EHE. ML:1.8 0.00021650000000000003 0.14 AML other m 2021-08-16T14:56:53.80
CH.FUORN.HHN. ML:1.1 0.00004215 0.42 AML other m 2021-08-16T14:56:54.59
SI.MOSI.HHE. ML:1.8 0.00021849999999999997 0.32 AML other m 2021-08-16T14:56:55.39
SI.MOSI.HHN. ML:1.7 0.00015949999999999997 0.62 AML other m 2021-08-16T14:56:55.65
IV.BAG8.EHE. ML:1.6 0.0000996 0.6 AML other m 2021-08-16T14:56:56.50
IV.BAG8.EHN. ML:1.5 0.00008740000000000001 0.98 AML other m 2021-08-16T14:56:57.59
ST.GAGG.HHN. ML:1.4 0.00005785 0.76 AML other m 2021-08-16T14:56:57.45
ST.GAGG.HHE. ML:1.4 0.00006075 0.1 AML other m 2021-08-16T14:56:57.84
SI.LUSI.HHN. ML:1.6 0.0001008 0.92 AML other m 2021-08-16T14:56:59.90
SI.LUSI.HHE. ML:1.4 0.00005875 0.52 AML other m 2021-08-16T14:57:00.50
ST.DOSS.HHE. ML:1.4 0.0000373 1.08 AML other m 2021-08-16T14:57:05.35
ST.DOSS.HHN. ML:1.4 0.000034 0.5 AML other m 2021-08-16T14:57:06.43
IV.CTI.HHE. ML:1.6 0.0000356 0.24 AML other m 2021-08-16T14:57:12.55
IV.CTI.HHN. ML:1.6 0.0000421 0.88 AML other m 2021-08-16T14:57:12.99
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