Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Md 2.1 on date 12-06-1986 and time 05:36:42 (Italy) in region 1 km SE Adrara San Martino (BG)

A magnitude Md 2.1 earthquake occured in region: 1 km SE Adrara San Martino (BG), on

  • 12-06-1986 03:36:42 (UTC)
  • 12-06-1986 05:36:42 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 45.6930, 9.9530 at 5 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
Villongo BG 3 8006 12188
Sarnico BG 3 6660 18848
Foresto Sparso BG 3 3100 21948
Paratico BS 3 4714 26662
Credaro BG 4 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
Vigano San Martino BG 6 1348 36823
Gandosso BG 6 1491 38314
Capriolo BS 6 9397 47711
Entratico BG 6 1947 49658
Luzzana BG 6 912 50570
Vigolo BG 6 592 51162
Castelli Calepio BG 7 10377 61539
Adro BS 7 7086 68625
Corte Franca BS 8 7233 75858
Casazza BG 8 4026 79884
Tavernola Bergamasca BG 8 2101 81985
Zandobbio BG 8 2720 84705
Monasterolo del Castello BG 8 1150 85855
Parzanica BG 8 362 86217
Iseo BS 8 9179 95396
Spinone al Lago BG 8 1029 96425
Trescore Balneario BG 9 9951 106376
Gaverina Terme BG 9 874 107250
Fonteno BG 9 637 107887
Grumello del Monte BG 9 7366 115253
Chiuduno BG 9 5990 121243
Provaglio d'Iseo BS 9 7318 128561
Bianzano BG 9 629 129190
Gorlago BG 10 5159 134349
Carobbio degli Angeli BG 10 4697 139046
Cenate Sotto BG 10 3745 142791
Monte Isola BS 10 1754 144545
Cenate Sopra BG 10 2545 147090
Erbusco BS 10 8633 155723
Telgate BG 11 5050 160773
Ranzanico BG 11 1207 161980
Endine Gaiano BG 11 3496 165476
Riva di Solto BG 11 881 166357
Solto Collina BG 12 1785 168142
Palazzolo sull'Oglio BS 12 20134 188276
San Paolo d'Argon BG 12 5591 193867
Montello BG 12 3260 197127
Sulzano BS 12 1917 199044
Cologne BS 12 7667 206711
Marone BS 12 3238 209949
Bolgare BG 12 6151 216100
Sale Marasino BS 13 3362 219462
Peia BG 13 1839 221301
Costa di Mezzate BG 13 3333 224634
Monticelli Brusati BS 13 4516 229150
Leffe BG 13 4531 233681
Bagnatica BG 14 4292 237973
Passirano BS 14 7098 245071
Cazzago San Martino BS 14 10996 256067
Polaveno BS 14 2555 258622
Gandino BG 14 5434 264056
Cene BG 14 4300 268356
Torre de' Roveri BG 14 2436 270792
Calcinate BG 14 5958 276750
Albino BG 14 18074 294824
Rovato BS 14 19209 314033
Cazzano Sant'Andrea BG 14 1675 315708
Albano Sant'Alessandro BG 14 8252 323960
Pradalunga BG 14 4673 328633
Coccaglio BS 15 8767 337400
Fiorano al Serio BG 15 3000 340400
Gazzaniga BG 15 5092 345492
Paderno Franciacorta BS 15 3734 349226
Palosco BG 15 5819 355045
Brusaporto BG 15 5569 360614
Zone BS 15 1076 361690
Pianico BG 15 1460 363150
Vertova BG 15 4720 367870
Casnigo BG 15 3273 371143
Ome BS 15 3205 374348
Castro BG 15 1356 375704
Pontoglio BS 16 6935 382639
Colzate BG 16 1668 384307
Sovere BG 16 5385 389692
Rodengo Saiano BS 16 9504 399196
Mornico al Serio BG 16 2965 402161
Nembro BG 16 11622 413783
Lovere BG 16 5270 419053
Brione BS 16 714 419767
Cavernago BG 17 2624 422391
Bossico BG 17 993 423384
Scanzorosciate BG 17 10076 433460
Pedrengo BG 17 6042 439502
Villa di Serio BG 17 6668 446170
Chiari BS 17 18887 465057
Pisogne BS 18 8022 473079
Ospitaletto BS 18 14509 487588
Grassobbio BG 18 6406 493994
Gardone Val Trompia BS 18 11657 505651
Alzano Lombardo BG 18 13636 519287
Cividate al Piano BG 18 5215 524502
Aviatico BG 18 543 525045
Gorle BG 18 6610 531655
Seriate BG 18 25182 556837
Selvino BG 19 2010 558847
Costa Volpino BG 19 9262 568109
Ranica BG 19 5981 574090
Ghisalba BG 19 6175 580265
Gussago BS 19 16753 597018
Torre Boldone BG 19 8690 605708
Castegnato BS 19 8334 614042
Martinengo BG 20 10448 624490
Cerete BG 20 1610 626100

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km E of Bergamo (119381 inhabitants)
27 Km NW of Brescia (196480 inhabitants)
54 Km E of Monza (122671 inhabitants)
58 Km E of Sesto San Giovanni (81608 inhabitants)
59 Km E of Cinisello Balsamo (75078 inhabitants)
62 Km N of Cremona (71901 inhabitants)
64 Km E of Milano (1345851 inhabitants)
69 Km E of Como (84495 inhabitants)
73 Km E of Rho (50434 inhabitants)
74 Km N of Piacenza (102191 inhabitants)
81 Km E of Legnano (60262 inhabitants)
84 Km NE of Pavia (72576 inhabitants)
86 Km E of Busto Arsizio (83106 inhabitants)
86 Km W of Verona (258765 inhabitants)
89 Km E of Varese (80799 inhabitants)
90 Km E of Gallarate (53343 inhabitants)
95 Km E of Vigevano (63310 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 		Md 2.1 1986-06-12
03:36:42		 45.693 9.953 5 2013-07-15
08:41:04		 Bollettino Sismico Italiano INGV 29189
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-06-12 03:36:42 ± 0.43
Latitude 45.6930 ± 0.0710
Longitude 9.9530 ± 0.0279
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 29189

Uncertainty

Field Value
Preferred uncertainty description horizontal uncertainty
Semi-major axis of confidence ellipse (meter)
Semi-minor axis of confidence ellipse (meter)
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi)
Circular confidence region, given by single value of horizontal uncertainty (meter) 8190.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 180
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) 0.7
Epicentral distance of station closest to the epicenter (degree) 0.00162
Epicentral distance of station farthest from the epicenter (degree) 0.01109
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitude information

Md:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 29189
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:30:34
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.CTI.Z. 1986-06-12T03:37:24.00 10.0 undecidable manual SN 72 1.2321 0.75 0.4
--.VAI.Z. 1986-06-12T03:37:12.00 10.0 undecidable manual SG 282 0.8325 0.03 0.9
--.CTI.Z. 1986-06-12T03:37:06.00 10.0 undecidable manual PN 72 1.2321 0.15 1.7
--.VAI.Z. 1986-06-12T03:37:00.50 10.0 undecidable manual PG 282 0.8325 1.16 1
--.SAL.Z. 1986-06-12T03:36:59.00 10.0 undecidable manual SG 101 0.3996 1.04 0.4
--.SAL.Z. 1986-06-12T03:36:50.00 10.0 undecidable manual PG 101 0.3996 -1.25 0.9
--.MDI.Z. 1986-06-12T03:36:49.50 10.0 undecidable manual SG 296 0.1776 -0.03 1
--.MDI.Z. 1986-06-12T03:36:45.80 10.0 undecidable manual PG 296 0.1776 -0.58 1.7
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