Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 29-03-2021 and time 21:48:33 (Italy) in region 1 km SE Castro (BG)

A magnitude ML 1.0 earthquake occured in region: 1 km SE Castro (BG), on

  • 29-03-2021 19:48:33 (UTC)
  • 29-03-2021 21:48:33 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 45.7970, 10.0830 at 8 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.

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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
Castro BG 1 1356 1356
Lovere BG 2 5270 6626
Pisogne BS 2 8022 14648
Pianico BG 3 1460 16108
Costa Volpino BG 4 9262 25370
Riva di Solto BG 4 881 26251
Bossico BG 5 993 27244
Solto Collina BG 5 1785 29029
Zone BS 5 1076 30105
Sovere BG 5 5385 35490
Fonteno BG 7 637 36127
Marone BS 7 3238 39365
Parzanica BG 7 362 39727
Rogno BG 8 3923 43650
Pian Camuno BS 8 4638 48288
Endine Gaiano BG 8 3496 51784
Artogne BS 9 3660 55444
Monte Isola BS 9 1754 57198
Sale Marasino BS 9 3362 60560
Vigolo BG 10 592 61152
Tavernola Bergamasca BG 10 2101 63253
Cerete BG 11 1610 64863
Gianico BS 11 2160 67023
Ranzanico BG 11 1207 68230
Sulzano BS 12 1917 70147
Angolo Terme BS 12 2447 72594
Songavazzo BG 12 719 73313
Onore BG 12 866 74179
Monasterolo del Castello BG 12 1150 75329
Pezzaze BS 12 1500 76829
Darfo Boario Terme BS 12 15599 92428
Fino del Monte BG 13 1130 93558
Spinone al Lago BG 13 1029 94587
Castione della Presolana BG 13 3452 98039
Bianzano BG 13 629 98668
Rovetta BG 13 4075 102743
Tavernole sul Mella BS 13 1303 104046
Adrara San Rocco BG 13 837 104883
Predore BG 14 1853 106736
Gandino BG 14 5434 112170
Gardone Val Trompia BS 14 11657 123827
Marcheno BS 14 4364 128191
Peia BG 14 1839 130030
Casazza BG 15 4026 134056
Bovegno BS 15 2226 136282
Clusone BG 15 8610 144892
Adrara San Martino BG 15 2225 147117
Iseo BS 15 9179 156296
Leffe BG 15 4531 160827
Polaveno BS 15 2555 163382
Viadanica BG 15 1120 164502
Grone BG 16 910 165412
Cazzano Sant'Andrea BG 16 1675 167087
Gaverina Terme BG 16 874 167961
Irma BS 16 132 168093
Marmentino BS 16 675 168768
Piario BG 16 1095 169863
Vigano San Martino BG 16 1348 171211
Berzo San Fermo BG 17 1362 172573
Casnigo BG 17 3273 175846
Borgo di Terzo BG 17 1146 176992
Oltressenda Alta BG 17 161 177153
Villa d'Ogna BG 17 1920 179073
Foresto Sparso BG 17 3100 182173
Sarnico BG 17 6660 188833
Ponte Nossa BG 17 1819 190652
Parre BG 17 2751 193403
Piancogno BS 17 4640 198043
Lodrino BS 18 1698 199741
Colzate BG 18 1668 201409
Paratico BS 18 4714 206123
Provaglio d'Iseo BS 18 7318 213441
Villongo BG 18 8006 221447
Premolo BG 18 1138 222585
Monticelli Brusati BS 18 4516 227101
Luzzana BG 18 912 228013
Brione BS 18 714 228727
Vertova BG 18 4720 233447
Sarezzo BS 18 13553 247000
Corte Franca BS 19 7233 254233
Fiorano al Serio BG 19 3000 257233
Entratico BG 19 1947 259180
Gazzaniga BG 19 5092 264272
Borno BS 19 2630 266902
Ome BS 19 3205 270107
Credaro BG 19 3542 273649
Collio BS 20 2108 275757
Ardesio BG 20 3518 279275
Esine BS 20 5300 284575
Colere BG 20 1136 285711
Gorno BG 20 1612 287323

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km NW of Brescia (196480 inhabitants)
34 Km E of Bergamo (119381 inhabitants)
67 Km E of Monza (122671 inhabitants)
72 Km E of Sesto San Giovanni (81608 inhabitants)
73 Km E of Cinisello Balsamo (75078 inhabitants)
74 Km N of Cremona (71901 inhabitants)
77 Km E of Como (84495 inhabitants)
78 Km E of Milano (1345851 inhabitants)
81 Km W of Verona (258765 inhabitants)
86 Km W of Trento (117317 inhabitants)
86 Km E of Rho (50434 inhabitants)
88 Km NE of Piacenza (102191 inhabitants)
93 Km E of Legnano (60262 inhabitants)
97 Km E of Busto Arsizio (83106 inhabitants)
98 Km E of Varese (80799 inhabitants)
99 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
Reviewed
Rev100 		ML 1.0 2021-03-29
19:48:33		 45.7968 10.0833 8 2021-03-29
19:55:39		 Sala Sismica INGV-Roma 88596621
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-03-29 19:48:33 ± 0.11
Latitude 45.7968 ± 0.0135
Longitude 10.0833 ± 0.0090
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 88596621

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1430
Semi-minor axis of confidence ellipse (meter) 680
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 193
Circular confidence region, given by single value of horizontal uncertainty (meter) 1430.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 118
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.04047
Epicentral distance of station farthest from the epicenter (degree) 0.70777
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 88596621
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-03-29 19:55:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
ST.RONC.EHZ. 2021-03-29T19:48:48.49 0.3 undecidable manual S 64 46.3203 50 -0.41 65
IV.BRMO.HHE. 2021-03-29T19:48:48.18 0.3 undecidable manual P 16 78.5658 50 0.84 52
IV.MAGA.HHZ. 2021-03-29T19:48:47.66 0.6 undecidable manual S 93 42.2244 50 -0.15 46
IV.MABI.HHZ. 2021-03-29T19:48:47.67 0.1 undecidable manual S 49 43.8228 50 -0.56 83
IV.SGAL.EHZ. 2021-03-29T19:48:44.40 0.6 undecidable manual S 146 31.3464 105 -0.3 45
IV.MDI.HHZ. 2021-03-29T19:48:43.59 0.1 undecidable manual S 264 28.5492 106 -0.2 93
IV.MAGA.HHZ. 2021-03-29T19:48:42.06 0.1 undecidable manual P 93 42.2244 50 0.32 89
ST.RONC.EHZ. 2021-03-29T19:48:42.66 0.3 undecidable manual P 64 46.3203 50 0.28 67
IV.MABI.HHZ. 2021-03-29T19:48:42.03 0.3 undecidable manual P 49 43.8228 50 0.04 70
IV.SGAL.EHZ. 2021-03-29T19:48:40.25 0.3 undecidable manual P 146 31.3464 105 0.3 68
IV.BAG8.EHE. 2021-03-29T19:48:39.80 0.1 undecidable manual P 84 29.748 106 0.14 94
IV.MDI.HHZ. 2021-03-29T19:48:39.36 0.1 undecidable manual P 264 28.5492 106 -0.07 96
IV.ZONE.HHZ. 2021-03-29T19:48:36.38 0.6 undecidable manual S 145 4.4955 152 -0.37 47
IV.ZONE.HHZ. 2021-03-29T19:48:35.43 0.1 undecidable manual P 145 4.4955 152 0.07 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ZONE.HHE. ML:0.0 0.000752544 0.0768 AML other m 2021-03-29T19:48:36.87
IV.ZONE.HHN. ML:0.0 0.0011112334000000002 0.1152 AML other m 2021-03-29T19:48:36.84
IV.ZONE.HNE. ML:0.0 0.00019077924999999997 0.0896 AML other m 2021-03-29T19:48:36.83
IV.ZONE.HNN. ML:0.0 0.00025997225 0.1152 AML other m 2021-03-29T19:48:36.84
IV.MDI.HHE. ML:0.9 0.000041446330000000005 0.1408 AML other m 2021-03-29T19:48:46.09
IV.MDI.HHN. ML:0.8 0.000030467715 0.128 AML other m 2021-03-29T19:48:46.09
IV.MDI.HNE. ML:1.3 0.00009905541000000001 0.4608 AML other m 2021-03-29T19:48:45.57
IV.MDI.HNN. ML:1.4 0.00012711940499999998 0.6912 AML other m 2021-03-29T19:48:51.21
IV.SGAL.EHE. ML:0.8 0.000030883945 0.4608 AML other m 2021-03-29T19:48:42.16
IV.SGAL.EHN. ML:0.9 0.000039105295 0.1024 AML other m 2021-03-29T19:48:46.04
IV.MAGA.HHE. ML:1.1 0.000038522735000000005 0.32 AML other m 2021-03-29T19:48:49.21
IV.MAGA.HHN. ML:0.9 0.000026114110000000002 0.2176 AML other m 2021-03-29T19:48:49.81
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