Earthquake (quarry blast) with magnitude of ML 1.6 on date 20-12-2019 and time 10:08:33 (Italy) in region 2 km E Zone (BS)

A magnitude ML 1.6 (quarry blast) earthquake occured in region: 2 km E 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) 45.76, 10.15 at 0 km depth.

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

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 2 1076 1076
Marone BS 5 3238 4314
Sale Marasino BS 6 3362 7676
Pisogne BS 6 8022 15698
Monte Isola BS 7 1754 17452
Tavernole sul Mella BS 7 1303 18755
Pezzaze BS 7 1500 20255
Marcheno BS 8 4364 24619
Castro BG 8 1356 25975
Gardone Val Trompia BS 8 11657 37632
Sulzano BS 8 1917 39549
Riva di Solto BG 9 881 40430
Lovere BG 9 5270 45700
Costa Volpino BG 9 9262 54962
Parzanica BG 9 362 55324
Tavernola Bergamasca BG 10 2101 57425
Pian Camuno BS 10 4638 62063
Solto Collina BG 10 1785 63848
Fonteno BG 10 637 64485
Pianico BG 10 1460 65945
Artogne BS 10 3660 69605
Vigolo BG 10 592 70197
Bovegno BS 11 2226 72423
Marmentino BS 11 675 73098
Irma BS 11 132 73230
Polaveno BS 11 2555 75785
Bossico BG 11 993 76778
Lodrino BS 11 1698 78476
Rogno BG 11 3923 82399
Sovere BG 12 5385 87784
Gianico BS 12 2160 89944
Sarezzo BS 12 13553 103497
Brione BS 13 714 104211
Predore BG 13 1853 106064
Iseo BS 13 9179 115243
Endine Gaiano BG 14 3496 118739
Darfo Boario Terme BS 14 15599 134338
Monticelli Brusati BS 14 4516 138854
Villa Carcina BS 15 11004 149858
Ome BS 15 3205 153063
Lumezzane BS 15 22644 175707
Angolo Terme BS 15 2447 178154
Casto BS 15 1778 179932
Pertica Alta BS 15 563 180495
Adrara San Rocco BG 16 837 181332
Collio BS 16 2108 183440
Provaglio d'Iseo BS 16 7318 190758
Mura BS 16 796 191554
Viadanica BG 17 1120 192674
Monasterolo del Castello BG 17 1150 193824
Ranzanico BG 17 1207 195031
Adrara San Martino BG 17 2225 197256
Cerete BG 17 1610 198866
Corte Franca BS 17 7233 206099
Spinone al Lago BG 18 1029 207128
Pertica Bassa BS 18 651 207779
Sarnico BG 18 6660 214439
Bione BS 18 1386 215825
Rodengo Saiano BS 18 9504 225329
Bianzano BG 18 629 225958
Concesio BS 18 15465 241423
Paratico BS 18 4714 246137
Songavazzo BG 18 719 246856
Onore BG 18 866 247722
Gussago BS 18 16753 264475
Casazza BG 19 4026 268501
Castione della Presolana BG 19 3452 271953
Grone BG 19 910 272863
Piancogno BS 19 4640 277503
Passirano BS 19 7098 284601
Fino del Monte BG 19 1130 285731
Villongo BG 19 8006 293737
Rovetta BG 19 4075 297812
Foresto Sparso BG 19 3100 300912
Paderno Franciacorta BS 19 3734 304646
Cellatica BS 20 4941 309587
Berzo San Fermo BG 20 1362 310949
Gandino BG 20 5434 316383
Vigano San Martino BG 20 1348 317731
Collebeato BS 20 4622 322353
Peia BG 20 1839 324192
Bovezzo BS 20 7516 331708

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km N of Brescia (196480 inhabitants)
38 Km E of Bergamo (119381 inhabitants)
70 Km N of Cremona (71901 inhabitants)
71 Km E of Monza (122671 inhabitants)
75 Km W of Verona (258765 inhabitants)
75 Km E of Sesto San Giovanni (81608 inhabitants)
76 Km E of Cinisello Balsamo (75078 inhabitants)
81 Km E of Milano (1345851 inhabitants)
83 Km E of Como (84495 inhabitants)
83 Km W of Trento (117317 inhabitants)
86 Km NE of Piacenza (102191 inhabitants)
90 Km E of Rho (50434 inhabitants)
97 Km E of Legnano (60262 inhabitants)
100 Km NE of Pavia (72576 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 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 ± 0.2
Latitude 45.76 ± 0.02
Longitude 10.15 ± 0.02
Depth (km) 1 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type quarry blast
Origin ID 74811911

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1830
Semi-minor axis of confidence ellipse (meter) 1160
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 5
Circular confidence region, given by single value of horizontal uncertainty (meter) 1830
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 133
Number of associated phases, regardless of their use for origin computation 5
Number of defining phases 5
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.38
Epicentral distance of station closest to the epicenter (degree) 0.02158
Epicentral distance of station farthest from the epicenter (degree) 0.3975
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

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
ST.RONC.EHZ. 2019-12-20T09:08:42.35 0.3 undecidable manual P 56 0.3975 91 -0.03 72
IV.MAGA.HHZ. 2019-12-20T09:08:40.98 0.3 undecidable manual P 87 0.3354 91 -0.02 73
IV.MDI.HHZ. 2019-12-20T09:08:39.71 0.3 undecidable manual P 272 0.3013 91 -0.53 66
IV.CNCS.HNZ. 2019-12-20T09:08:37.15 0.1 undecidable manual P 162 0.1601 92 0.05 100
IV.ZONE.HHZ. 2019-12-20T09:08:34.39 0.1 positive manual P 283 0.0216 102 0.35 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MAGA.HHN. ML:1.8 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:1.2 0.000146 0.4 AML other m 2019-12-20T09:08:52.36
IV.MAGA.HHE. ML:1.6 0.0002995 0.38 AML other m 2019-12-20T09:08:52.91
IV.MDI.HHN. ML:1.3 9.5186615E-5 0.3968 AML other m 2019-12-20T09:08:45.86
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