Earthquake with magnitude of Md 2.4 on date 18-03-1986 and time 21:45:38 (UTC) in region 2 km E Irma (BS)

A magnitude Md 2.4 earthquake occured in region: 2 km E Irma (BS), on

  • 18-03-1986 21:45:38 (UTC)
  • 18-03-1986 22:45:38 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 45.7720, 10.3060 at 11 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Irma BS 2 132 132
Marmentino BS 3 675 807
Bovegno BS 4 2226 3033
Pertica Alta BS 4 563 3596
Collio BS 5 2108 5704
Pezzaze BS 5 1500 7204
Pertica Bassa BS 6 651 7855
Tavernole sul Mella BS 6 1303 9158
Lodrino BS 6 1698 10856
Mura BS 7 796 11652
Casto BS 9 1778 13430
Marcheno BS 10 4364 17794
Vestone BS 10 4390 22184
Lavenone BS 11 555 22739
Bione BS 11 1386 24125
Barghe BS 13 1189 25314
Gardone Val Trompia BS 13 11657 36971
Provaglio Val Sabbia BS 14 918 37889
Preseglie BS 14 1514 39403
Idro BS 14 1966 41369
Treviso Bresciano BS 14 545 41914
Artogne BS 14 3660 45574
Lumezzane BS 14 22644 68218
Bagolino BS 14 3897 72115
Pian Camuno BS 14 4638 76753
Gianico BS 14 2160 78913
Agnosine BS 14 1790 80703
Zone BS 15 1076 81779
Anfo BS 15 486 82265
Odolo BS 15 1985 84250
Sarezzo BS 15 13553 97803
Sabbio Chiese BS 15 3905 101708
Pisogne BS 16 8022 109730
Darfo Boario Terme BS 16 15599 125329
Sale Marasino BS 16 3362 128691
Rogno BG 16 3923 132614
Marone BS 17 3238 135852
Esine BS 17 5300 141152
Costa Volpino BG 18 9262 150414
Villa Carcina BS 18 11004 161418
Piancogno BS 18 4640 166058
Caino BS 18 2151 168209
Berzo Inferiore BS 18 2475 170684
Sulzano BS 18 1917 172601
Bienno BS 18 3863 176464
Angolo Terme BS 18 2447 178911
Monte Isola BS 19 1754 180665
Polaveno BS 19 2555 183220
Castro BG 19 1356 184576
Capovalle BS 19 369 184945
Lovere BG 19 5270 190215
Brione BS 19 714 190929
Cividate Camuno BS 19 2733 193662
Vallio Terme BS 19 1405 195067
Bondone TN 20 670 195737
Concesio BS 20 15465 211202

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km N of Brescia (196480 inhabitants)
50 Km E of Bergamo (119381 inhabitants)
65 Km NW of Verona (258765 inhabitants)
71 Km W of Trento (117317 inhabitants)
74 Km NE of Cremona (71901 inhabitants)
83 Km E of Monza (122671 inhabitants)
87 Km E of Sesto San Giovanni (81608 inhabitants)
88 Km E of Cinisello Balsamo (75078 inhabitants)
93 Km E of Milano (1345851 inhabitants)
93 Km NE of Piacenza (102191 inhabitants)
95 Km E of Como (84495 inhabitants)
100 Km W of Vicenza (112953 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 2.4 1986-03-18
21:45:38
45.772 10.306 11 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 24449
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-03-18 21:45:38 ± 0.518
Latitude 45.7720 ± 0.0225
Longitude 10.3060 ± 0.0409
Depth (km) 11 ± 6 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 24449

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) 4039.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 157
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.00202
Epicentral distance of station farthest from the epicenter (degree) 0.01846
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

Md:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 24449
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:26:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.ORX.Z. 1986-03-18T21:46:26.30 10.0 undecidable manual SN 266 1.6317 -1.09 0.1
--.CO9.Z. 1986-03-18T21:46:16.50 10.0 undecidable manual SN 211 1.1655 -0.03 0.8
--.VAI.Z. 1986-03-18T21:46:14.00 10.0 undecidable manual SN 275 1.0656 -0.2 0.8
--.PS9.Z. 1986-03-18T21:46:13.50 10.0 undecidable manual PN 175 2.0535 0.98 0.4
--.CTI.Z. 1986-03-18T21:46:12.00 10.0 undecidable manual SG 73 0.9657 0.45 0.6
--.ORX.Z. 1986-03-18T21:46:06.80 10.0 undecidable manual PN 266 1.6317 0.14 1.7
--.VAI.Z. 1986-03-18T21:45:59.50 10.0 undecidable manual PN 275 1.0656 0.45 1.6
--.CO9.Z. 1986-03-18T21:45:59.80 10.0 undecidable manual PN 211 1.1655 -0.59 1.3
--.CTI.Z. 1986-03-18T21:45:57.00 10.0 undecidable manual PG 73 0.9657 -0.52 1.5
--.SAL.Z. 1986-03-18T21:45:43.00 10.0 undecidable manual PG 137 0.222 -0.62 1.2
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