Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 17-03-2021 and time 07:46:20 (Italy) in region 1 km E Adrara San Martino (BG)

A magnitude ML 1.9 earthquake occured in region: 1 km E Adrara San Martino (BG), on

  • 17-03-2021 06:46:20 (UTC)
  • 17-03-2021 07:46:20 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 45.6980, 9.9580 at 10 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
Adrara San Martino BG 1 2225 2225
Viadanica BG 1 1120 3345
Adrara San Rocco BG 2 837 4182
Sarnico BG 3 6660 10842
Villongo BG 3 8006 18848
Foresto Sparso BG 3 3100 21948
Paratico BS 4 4714 26662
Credaro BG 5 3542 30204
Berzo San Fermo BG 5 1362 31566
Grone BG 5 910 32476
Predore BG 5 1853 34329
Borgo di Terzo BG 6 1146 35475
Vigolo BG 6 592 36067
Vigano San Martino BG 6 1348 37415
Luzzana BG 6 912 38327
Entratico BG 7 1947 40274
Capriolo BS 7 9397 49671
Gandosso BG 7 1491 51162
Tavernola Bergamasca BG 7 2101 53263
Casazza BG 7 4026 57289
Castelli Calepio BG 8 10377 67666
Monasterolo del Castello BG 8 1150 68816
Parzanica BG 8 362 69178
Corte Franca BS 8 7233 76411
Adro BS 8 7086 83497
Spinone al Lago BG 8 1029 84526
Zandobbio BG 8 2720 87246
Iseo BS 8 9179 96425
Fonteno BG 8 637 97062
Gaverina Terme BG 9 874 97936
Trescore Balneario BG 9 9951 107887
Bianzano BG 9 629 108516
Provaglio d'Iseo BS 9 7318 115834
Grumello del Monte BG 10 7366 123200
Monte Isola BS 10 1754 124954
Chiuduno BG 10 5990 130944
Gorlago BG 10 5159 136103
Carobbio degli Angeli BG 10 4697 140800
Ranzanico BG 10 1207 142007
Cenate Sotto BG 10 3745 145752
Endine Gaiano BG 11 3496 149248
Cenate Sopra BG 11 2545 151793
Riva di Solto BG 11 881 152674
Erbusco BS 11 8633 161307
Solto Collina BG 11 1785 163092
Telgate BG 11 5050 168142
Sulzano BS 11 1917 170059
Marone BS 11 3238 173297
San Paolo d'Argon BG 12 5591 178888
Palazzolo sull'Oglio BS 12 20134 199022
Sale Marasino BS 12 3362 202384
Montello BG 12 3260 205644
Peia BG 12 1839 207483
Cologne BS 12 7667 215150
Leffe BG 13 4531 219681
Monticelli Brusati BS 13 4516 224197
Bolgare BG 13 6151 230348
Costa di Mezzate BG 13 3333 233681
Gandino BG 13 5434 239115
Polaveno BS 14 2555 241670
Passirano BS 14 7098 248768
Cene BG 14 4300 253068
Cazzago San Martino BS 14 10996 264064
Cazzano Sant'Andrea BG 14 1675 265739
Bagnatica BG 14 4292 270031
Albino BG 14 18074 288105
Zone BS 14 1076 289181
Pianico BG 14 1460 290641
Torre de' Roveri BG 14 2436 293077
Fiorano al Serio BG 15 3000 296077
Rovato BS 15 19209 315286
Pradalunga BG 15 4673 319959
Gazzaniga BG 15 5092 325051
Castro BG 15 1356 326407
Calcinate BG 15 5958 332365
Albano Sant'Alessandro BG 15 8252 340617
Coccaglio BS 15 8767 349384
Vertova BG 15 4720 354104
Casnigo BG 15 3273 357377
Sovere BG 15 5385 362762
Paderno Franciacorta BS 15 3734 366496
Ome BS 15 3205 369701
Colzate BG 15 1668 371369
Brusaporto BG 16 5569 376938
Palosco BG 16 5819 382757
Lovere BG 16 5270 388027
Rodengo Saiano BS 16 9504 397531
Bossico BG 16 993 398524
Pontoglio BS 16 6935 405459
Brione BS 16 714 406173
Nembro BG 16 11622 417795
Mornico al Serio BG 17 2965 420760
Pisogne BS 17 8022 428782
Cavernago BG 17 2624 431406
Scanzorosciate BG 17 10076 441482
Pedrengo BG 17 6042 447524
Gardone Val Trompia BS 18 11657 459181
Villa di Serio BG 18 6668 465849
Chiari BS 18 18887 484736
Ospitaletto BS 18 14509 499245
Costa Volpino BG 18 9262 508507
Aviatico BG 18 543 509050
Alzano Lombardo BG 18 13636 522686
Grassobbio BG 18 6406 529092
Gorle BG 19 6610 535702
Selvino BG 19 2010 537712
Seriate BG 19 25182 562894
Cividate al Piano BG 19 5215 568109
Ranica BG 19 5981 574090
Gussago BS 19 16753 590843
Cerete BG 19 1610 592453
Castegnato BS 19 8334 600787
Torre Boldone BG 20 8690 609477
Ghisalba BG 20 6175 615652
Sarezzo BS 20 13553 629205
Villa Carcina BS 20 11004 640209
Ponte Nossa BG 20 1819 642028

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km E of Bergamo (119381 inhabitants)
27 Km NW of Brescia (196480 inhabitants)
55 Km E of Monza (122671 inhabitants)
59 Km E of Sesto San Giovanni (81608 inhabitants)
60 Km E of Cinisello Balsamo (75078 inhabitants)
63 Km N of Cremona (71901 inhabitants)
65 Km E of Milano (1345851 inhabitants)
69 Km E of Como (84495 inhabitants)
74 Km E of Rho (50434 inhabitants)
75 Km N of Piacenza (102191 inhabitants)
82 Km E of Legnano (60262 inhabitants)
84 Km NE of Pavia (72576 inhabitants)
86 Km W of Verona (258765 inhabitants)
86 Km E of Busto Arsizio (83106 inhabitants)
89 Km E of Varese (80799 inhabitants)
91 Km E of Gallarate (53343 inhabitants)
95 Km E of Vigevano (63310 inhabitants)
99 Km W of Trento (117317 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 1.9 2021-03-17
06:46:20		 45.6975 9.9583 10 2021-07-12
16:55:13		 Bollettino Sismico Italiano INGV 90573351
Reviewed
Rev100 		ML 1.8 2021-03-17
06:46:20		 45.7048 9.9472 11 2021-03-17
06:55:33		 Sala Sismica INGV-Roma 88206191
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-03-17 06:46:20 ± 0.14
Latitude 45.6975 ± 0.0117
Longitude 9.9583 ± 0.0116
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 90573351

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1290
Semi-minor axis of confidence ellipse (meter) 811
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 206
Circular confidence region, given by single value of horizontal uncertainty (meter) 1290.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 78
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 31
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.47
Epicentral distance of station closest to the epicenter (degree) 0.06205
Epicentral distance of station farthest from the epicenter (degree) 1.29952
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 21
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations 28
Type of magnitude ML
Reference to an origin 90573351
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-05-28 16:31:46

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 20
Type of magnitude ML
Reference to an origin 88206191
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-03-17 06:55:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
OX.CGRP.HHZ. 2021-03-17T06:46:44.71 0.3 undecidable manual P 81 144.2445 50 0.64 52
IV.CTI.HHZ. 2021-03-17T06:46:43.62 0.3 undecidable manual P 73 136.2636 50 0.77 50
CH.BERNI.HHZ. 2021-03-17T06:46:43.91 0.6 undecidable manual S 4 79.5648 50 -0.33 43
CH.FUSIO.HHZ. 2021-03-17T06:46:42.73 0.3 undecidable manual P 311 130.3695 50 0.8 50
ST.PANI.EHZ. 2021-03-17T06:46:40.61 0.3 undecidable manual P 69 113.1978 50 1.32 41
CH.DAVOX.HHZ. 2021-03-17T06:46:39.65 0.6 undecidable manual P 357 120.2907 50 -0.73 35
ST.RONC.EHZ. 2021-03-17T06:46:38.33 0.6 undecidable manual S 58 60.1953 50 -0.73 40
IV.MABI.HHZ. 2021-03-17T06:46:37.46 0.6 undecidable manual S 47 58.3971 50 -1.13 33
ST.DOSS.HHZ. 2021-03-17T06:46:37.75 0.3 undecidable manual P 77 97.3248 50 0.92 51
IV.MAGA.HHZ. 2021-03-17T06:46:37.31 0.6 undecidable manual S 80 52.6029 50 0.27 46
ST.GAGG.HHZ. 2021-03-17T06:46:35.72 0.3 undecidable manual P 61 88.3449 50 0.27 65
SI.LUSI.HHZ. 2021-03-17T06:46:35.45 0.3 undecidable manual P 69 81.5517 50 1.05 50
IV.SALO.HHZ. 2021-03-17T06:46:35.67 0.6 undecidable manual S 101 44.7219 50 0.73 41
CH.BERNI.HHZ. 2021-03-17T06:46:34.19 0.1 undecidable manual P 4 79.5648 50 0.08 92
IV.MBAL.EHZ. 2021-03-17T06:46:33.09 0.3 undecidable manual P 90 69.7746 50 0.5 64
ST.VARA.EHZ. 2021-03-17T06:46:33.57 0.3 undecidable manual P 79 73.9704 50 0.33 66
ST.RONC.EHZ. 2021-03-17T06:46:31.01 0.1 undecidable manual P 58 60.1953 50 -0.1 95
IV.MABI.HHZ. 2021-03-17T06:46:30.43 0.1 undecidable manual P 47 58.3971 50 -0.42 89
IV.SGAL.EHZ. 2021-03-17T06:46:30.37 0.6 undecidable manual S 118 31.1466 50 -0.93 38
IV.MAGA.HHZ. 2021-03-17T06:46:29.67 0.1 undecidable manual P 80 52.6029 50 -0.28 92
IV.SALO.HHZ. 2021-03-17T06:46:28.75 0.3 undecidable manual P 101 44.7219 50 0.01 74
IV.MDI.HHZ. 2021-03-17T06:46:28.03 0.3 undecidable manual S 293 20.3685 116 -0.1 76
IV.CNCS.HNE. 2021-03-17T06:46:27.80 0.6 undecidable manual S 117 22.4553 114 -0.98 38
IV.MERA.HNE. 2021-03-17T06:46:27.41 0.3 undecidable manual P 271 41.0256 50 -0.75 61
IV.ZONE.HNZ. 2021-03-17T06:46:26.17 0.6 undecidable manual S 59 14.2746 125 -0.12 51
IV.SGAL.EHZ. 2021-03-17T06:46:25.74 0.1 undecidable manual P 118 31.1466 50 -0.89 78
IV.CAPR.HNZ. 2021-03-17T06:46:24.82 0.3 undecidable manual S 196 6.8931 145 0.38 74
IV.CNCS.HNE. 2021-03-17T06:46:24.36 0.3 undecidable manual P 117 22.4553 114 -0.82 61
IV.MDI.HHZ. 2021-03-17T06:46:24.60 0.1 positive manual P 293 20.3685 116 -0.2 99
IV.ZONE.HNZ. 2021-03-17T06:46:23.84 0.3 undecidable manual P 59 14.2746 125 0.1 77
IV.CAPR.HNZ. 2021-03-17T06:46:22.96 0.1 undecidable manual P 196 6.8931 145 0.29 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MDI.HHN. ML:1.8 0.0005335000000000001 0.1 AML other m 2021-03-17T06:46:28.38
IV.MDI.HNN. ML:1.8 0.0004945 0.1 AML other m 2021-03-17T06:46:28.33
IV.MDI.HNE. ML:2.2 0.0010905 0.12 AML other m 2021-03-17T06:46:28.52
IV.MDI.HHE. ML:2.2 0.00117 0.12 AML other m 2021-03-17T06:46:28.52
IV.SGAL.EHN. ML:1.8 0.000314 0.68 AML other m 2021-03-17T06:46:31.40
IV.SGAL.EHE. ML:1.7 0.000245 0.48 AML other m 2021-03-17T06:46:32.38
IV.MABI.HHN. ML:1.6 0.0000733 1.56 AML other m 2021-03-17T06:46:37.80
IV.MABI.HHE. ML:1.3 0.00003835 0.6 AML other m 2021-03-17T06:46:38.50
IV.MAGA.HHE. ML:2.0 0.0002445 1.28 AML other m 2021-03-17T06:46:38.05
ST.RONC.EHE. ML:1.9 0.000152 0.16 AML other m 2021-03-17T06:46:38.82
ST.RONC.EHN. ML:1.8 0.0001435 0.16 AML other m 2021-03-17T06:46:38.94
IV.MAGA.HHN. ML:1.8 0.00014150000000000002 1.78 AML other m 2021-03-17T06:46:39.94
CH.BERNI.HHE. ML:1.3 0.000027799999999999998 0.34 AML other m 2021-03-17T06:46:44.88
CH.BERNI.HHN. ML:1.3 0.000022800000000000002 1.38 AML other m 2021-03-17T06:46:46.02
ST.VARA.EHN. ML:1.7 0.00007994999999999999 0.74 AML other m 2021-03-17T06:46:46.66
SI.LUSI.HHN. ML:1.9 0.0001075 0.14 AML other m 2021-03-17T06:46:48.44
SI.LUSI.HHE. ML:1.6 0.000061 0.1 AML other m 2021-03-17T06:46:48.83
ST.VARA.EHE. ML:1.9 0.000123 0.72 AML other m 2021-03-17T06:46:49.18
ST.DOSS.HHE. ML:2.0 0.0001005 0.96 AML other m 2021-03-17T06:46:51.73
ST.DOSS.HHN. ML:1.9 0.00008355 0.7 AML other m 2021-03-17T06:46:51.95
CH.DAVOX.HHN. ML:2.0 0.00007425 0.96 AML other m 2021-03-17T06:46:58.47
CH.FUSIO.HHE. ML:1.8 0.00004595 0.48 AML other m 2021-03-17T06:47:00.92
IV.CTI.HHE. ML:2.1 0.00007555000000000001 0.3 AML other m 2021-03-17T06:47:01.84
IV.CTI.HHN. ML:2.2 0.0000861 0.3 AML other m 2021-03-17T06:47:02.30
CH.DAVOX.HHE. ML:2.0 0.0000713 0.4 AML other m 2021-03-17T06:47:02.57
CH.FUSIO.HHN. ML:1.6 0.0000264 0.24 AML other m 2021-03-17T06:47:02.80
OX.CGRP.HHN. ML:2.0 0.000055599999999999996 1.18 AML other m 2021-03-17T06:47:03.89
OX.CGRP.HHE. ML:2.1 0.0000655 0.34 AML other m 2021-03-17T06:47:04.79
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