Earthquake (quarry blast) with magnitude of ML 1.7 on date 20-12-2019 and time 09:08:33 (UTC) in region 3 km NE Zone (BS)

A magnitude ML 1.7 (quarry blast) earthquake occured in region: 3 km NE Zone (BS), on

  • 20-12-2019 09:08:33 (UTC)
  • 20-12-2019 10:08:33 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 45.78, 10.13 at 0 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

Event type: quarry blast.

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

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Zone BS 3 1076 1076
Pisogne BS 3 8022 9098
Castro BG 5 1356 10454
Costa Volpino BG 6 9262 19716
Lovere BG 6 5270 24986
Marone BS 6 3238 28224
Pian Camuno BS 7 4638 32862
Riva di Solto BG 7 881 33743
Pianico BG 8 1460 35203
Artogne BS 8 3660 38863
Sale Marasino BS 8 3362 42225
Solto Collina BG 8 1785 44010
Rogno BG 8 3923 47933
Pezzaze BS 8 1500 49433
Bossico BG 8 993 50426
Monte Isola BS 9 1754 52180
Parzanica BG 9 362 52542
Tavernole sul Mella BS 9 1303 53845
Fonteno BG 9 637 54482
Sovere BG 10 5385 59867
Gianico BS 10 2160 62027
Sulzano BS 11 1917 63944
Tavernola Bergamasca BG 11 2101 66045
Marcheno BS 11 4364 70409
Bovegno BS 11 2226 72635
Vigolo BG 11 592 73227
Gardone Val Trompia BS 11 11657 84884
Irma BS 12 132 85016
Darfo Boario Terme BS 12 15599 100615
Marmentino BS 12 675 101290
Endine Gaiano BG 12 3496 104786
Angolo Terme BS 12 2447 107233
Lodrino BS 13 1698 108931
Polaveno BS 14 2555 111486
Cerete BG 14 1610 113096
Predore BG 14 1853 114949
Iseo BS 15 9179 124128
Ranzanico BG 15 1207 125335
Sarezzo BS 15 13553 138888
Onore BG 15 866 139754
Songavazzo BG 16 719 140473
Adrara San Rocco BG 16 837 141310
Castione della Presolana BG 16 3452 144762
Monasterolo del Castello BG 16 1150 145912
Brione BS 16 714 146626
Collio BS 16 2108 148734
Fino del Monte BG 16 1130 149864
Spinone al Lago BG 17 1029 150893
Piancogno BS 17 4640 155533
Rovetta BG 17 4075 159608
Monticelli Brusati BS 17 4516 164124
Bianzano BG 17 629 164753
Adrara San Martino BG 17 2225 166978
Pertica Alta BS 17 563 167541
Viadanica BG 17 1120 168661
Villa Carcina BS 18 11004 179665
Ome BS 18 3205 182870
Provaglio d'Iseo BS 18 7318 190188
Casto BS 18 1778 191966
Casazza BG 18 4026 195992
Lumezzane BS 18 22644 218636
Gandino BG 18 5434 224070
Mura BS 18 796 224866
Peia BG 18 1839 226705
Grone BG 18 910 227615
Esine BS 19 5300 232915
Sarnico BG 19 6660 239575
Clusone BG 19 8610 248185
Corte Franca BS 19 7233 255418
Pertica Bassa BS 19 651 256069
Borno BS 19 2630 258699
Paratico BS 19 4714 263413
Leffe BG 19 4531 267944
Gaverina Terme BG 19 874 268818
Vigano San Martino BG 19 1348 270166
Berzo San Fermo BG 19 1362 271528
Ossimo BS 20 1451 272979
Foresto Sparso BG 20 3100 276079
Cazzano Sant'Andrea BG 20 1675 277754
Villongo BG 20 8006 285760
Borgo di Terzo BG 20 1146 286906

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km N of Brescia (196480 inhabitants)
37 Km E of Bergamo (119381 inhabitants)
70 Km E of Monza (122671 inhabitants)
73 Km N of Cremona (71901 inhabitants)
75 Km E of Sesto San Giovanni (81608 inhabitants)
76 Km E of Cinisello Balsamo (75078 inhabitants)
77 Km W of Verona (258765 inhabitants)
81 Km E of Como (84495 inhabitants)
81 Km E of Milano (1345851 inhabitants)
83 Km W of Trento (117317 inhabitants)
88 Km NE of Piacenza (102191 inhabitants)
89 Km E of Rho (50434 inhabitants)
97 Km E of Legnano (60262 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
Rev 1000 ML 1.7 2019-12-20
09:08:33
45.78 10.13 1 2020-02-28
16:42:25
Bollettino Sismico Italiano INGV 76480471
Rev 100 ML 1.6 2019-12-20
09:08:33
45.76 10.15 1 2019-12-20
09:21:56
Sala Sismica INGV-Roma 74811911
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-12-20 09:08:33 ± 0.12
Latitude 45.78 ± 0.01
Longitude 10.13 ± 0.01
Depth (km) 1 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type quarry blast
Origin ID 76480471

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 960
Semi-minor axis of confidence ellipse (meter) 750
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 328
Circular confidence region, given by single value of horizontal uncertainty (meter) 960
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 86
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.02338
Epicentral distance of station farthest from the epicenter (degree) 0.63402
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 76480471
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-02-13 09:29:48

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 74811911
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-12-20 09:21:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
CH.BERNI.HHE. 2019-12-20T09:08:47.08 0.3 undecidable manual P 353 0.634 50 -0.05 71
ST.RONC.EHZ. 2019-12-20T09:08:42.35 0.3 undecidable manual P 60 0.393 91 0.1 73
IV.MABI.HHZ. 2019-12-20T09:08:42.09 0.3 undecidable manual P 44 0.3786 91 0.16 73
IV.MAGA.HHZ. 2019-12-20T09:08:40.98 0.3 undecidable manual P 91 0.3453 91 -0.2 72
IV.SALO.HHZ. 2019-12-20T09:08:40.66 0.1 undecidable manual P 121 0.3193 91 0.06 100
IV.MDI.HHZ. 2019-12-20T09:08:39.71 0.3 undecidable manual P 267 0.2914 91 -0.27 72
IV.CNCS.HNZ. 2019-12-20T09:08:37.15 0.6 undecidable manual P 162 0.1871 91 -0.52 46
IV.ZONE.HHZ. 2019-12-20T09:08:34.39 0.1 positive manual P 209 0.0234 101 0.36 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MDI.HHN. ML:1.3 9.5186615E-5 0.3968 AML other m 2019-12-20T09:08:45.86
IV.MAGA.HHN. ML:0 0.000224 0.4 AML other m 2019-12-20T09:08:52.66
ST.RONC.EHN. ML:1.8 0.0001975 1.44 AML other m 2019-12-20T09:08:50.73
ST.RONC.EHE. ML:1.7 0.0001485 1.62 AML other m 2019-12-20T09:08:51.95
IV.MDI.HHE. ML:1.5 0.000146 0.4 AML other m 2019-12-20T09:08:52.36
IV.MAGA.HHE. ML:1.9 0.0002995 0.38 AML other m 2019-12-20T09:08:52.91
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download