Earthquake with magnitude of Md 3.1 on date 25-04-1986 and time 06:23:33 (Italy) in region 2 km NW Mura (BS)

A magnitude Md 3.1 earthquake occured in region: 2 km NW Mura (BS), on

  • 25-04-1986 04:23:33 (UTC)
  • 25-04-1986 06:23:33 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 45.73, 10.34 at 4 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
Mura BS 2 796 796
Pertica Alta BS 2 563 1359
Casto BS 4 1778 3137
Pertica Bassa BS 4 651 3788
Lodrino BS 5 1698 5486
Marmentino BS 5 675 6161
Vestone BS 6 4390 10551
Bione BS 6 1386 11937
Irma BS 6 132 12069
Tavernole sul Mella BS 8 1303 13372
Barghe BS 8 1189 14561
Lavenone BS 8 555 15116
Preseglie BS 8 1514 16630
Bovegno BS 9 2226 18856
Provaglio Val Sabbia BS 9 918 19774
Agnosine BS 9 1790 21564
Pezzaze BS 9 1500 23064
Collio BS 9 2108 25172
Odolo BS 10 1985 27157
Marcheno BS 10 4364 31521
Sabbio Chiese BS 10 3905 35426
Treviso Bresciano BS 10 545 35971
Lumezzane BS 10 22644 58615
Idro BS 11 1966 60581
Gardone Val Trompia BS 13 11657 72238
Caino BS 13 2151 74389
Sarezzo BS 13 13553 87942
Anfo BS 13 486 88428
Vallio Terme BS 14 1405 89833
Bagolino BS 15 3897 93730
Villa Carcina BS 15 11004 104734
Vobarno BS 15 8103 112837
Nave BS 16 11029 123866
Concesio BS 16 15465 139331
Capovalle BS 17 369 139700
Villanuova sul Clisi BS 17 5773 145473
Bovezzo BS 17 7516 152989
Roè Volciano BS 17 4574 157563
Sale Marasino BS 17 3362 160925
Brione BS 17 714 161639
Gavardo BS 17 12056 173695
Zone BS 17 1076 174771
Polaveno BS 18 2555 177326
Collebeato BS 18 4622 181948
Sulzano BS 19 1917 183865
Serle BS 19 3023 186888
Pian Camuno BS 19 4638 191526
Bondone TN 19 670 192196
Marone BS 19 3238 195434
Artogne BS 19 3660 199094
Gianico BS 19 2160 201254
Pisogne BS 20 8022 209276
Monte Isola BS 20 1754 211030
Ome BS 20 3205 214235
Paitone BS 20 2130 216365

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km NE of Brescia (196480 inhabitants)
52 Km E of Bergamo (119381 inhabitants)
61 Km NW of Verona (258765 inhabitants)
70 Km NE of Cremona (71901 inhabitants)
72 Km SW of Trento (117317 inhabitants)
84 Km E of Monza (122671 inhabitants)
88 Km E of Sesto San Giovanni (81608 inhabitants)
89 Km E of Cinisello Balsamo (75078 inhabitants)
90 Km NE of Piacenza (102191 inhabitants)
94 Km E of Milano (1345851 inhabitants)
96 Km W of Vicenza (112953 inhabitants)
97 Km E of Como (84495 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 1000 Md 3.1
ML-VAX 3.6
1986-04-25
04:23:33
45.73 10.34 4 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 25989
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-04-25 04:23:33 ± 0.228
Latitude 45.73 ± 0.01
Longitude 10.34 ± 0.01
Depth (km) 4 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 25989

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) 1712.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 153
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00154
Epicentral distance of station farthest from the epicenter (degree) 0.02995
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitudes information

Md:3.1

Field Value
Value 3.1
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 25989
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:27:41

ML:3.6

Field Value
Value 3.6
Uncertainty
Num. used stations 1
Type of magnitude ML
Reference to an origin 25989
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 13:07:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.PS9.Z. 1986-04-25T04:24:32.50 10.0 undecidable manual SN 176 0.0181 -0.38 0.5
--.BDI.Z. 1986-04-25T04:24:25.00 10.0 undecidable manual SN 173 0.0151 0.09 0.7
--.CVF.Z. 1986-04-25T04:24:24.80 10.0 undecidable manual PN 199 0.03 -0.92 0.2
--.GEN.Z. 1986-04-25T04:24:23.80 10.0 undecidable manual SN 217 0.0147 -0.24 0.6
--.RRL.Z. 1986-04-25T04:24:16.30 10.0 undecidable manual PN 253 0.0236 0.26 1.2
--.SOO.Z. 1986-04-25T04:24:16.80 10.0 undecidable manual PN 243 0.0232 1.25 0.1
--.IMP.Z. 1986-04-25T04:24:14.30 10.0 undecidable manual PN 224 0.0225 -0.11 1.3
--.CRE.Z. 1986-04-25T04:24:13.30 10.0 undecidable manual PN 150 0.0215 0.34 1.1
--.CO9.Z. 1986-04-25T04:24:12.00 10.0 undecidable manual SN 213 0.0103 -0.34 0.6
--.ROB.Z. 1986-04-25T04:24:11.20 10.0 undecidable manual PN 231 0.0202 0.3 1.2
--.FIN.Z. 1986-04-25T04:24:09.30 10.0 undecidable manual PN 225 0.0192 -0.07 1.5
--.PS9.Z. 1986-04-25T04:24:08.20 10.0 undecidable manual PN 176 0.0181 0.59 0.8
--.CTI.Z. 1986-04-25T04:24:07.00 10.0 undecidable manual SG 70 0.0087 -0.16 1
--.VEA.Z. 1986-04-25T04:24:07.60 10.0 undecidable manual SG 211 0.0087 0.13 0.7
--.BDI.Z. 1986-04-25T04:24:03.30 10.0 undecidable manual PN 173 0.0151 0.29 1.5
--.GEN.Z. 1986-04-25T04:24:02.50 10.0 undecidable manual PN 217 0.0147 -0.01 1.7
--.CO9.Z. 1986-04-25T04:23:55.50 10.0 undecidable manual PN 213 0.0103 -0.25 1.6
--.VEA.Z. 1986-04-25T04:23:52.00 10.0 undecidable manual PG 211 0.0087 -0.94 0.4
--.CTI.Z. 1986-04-25T04:23:52.50 10.0 undecidable manual PG 70 0.0087 -0.26 1.6
--.MDI.Z. 1986-04-25T04:23:51.00 10.0 undecidable manual SG 276 0.0039 0.94 0.1
--.MDI.Z. 1986-04-25T04:23:42.30 10.0 undecidable manual PG 276 0.0039 -0.59 0.9
--.SAL.Z. 1986-04-25T04:23:41.00 10.0 undecidable manual SG 132 0.0015 0.84 0.3
--.SAL.Z. 1986-04-25T04:23:37.00 10.0 positive manual PG 132 0.0015 -0.17 3.3
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