Earthquake with magnitude of Md 3.0 on date 12-02-1987 and time 08:14:10 (Italy) in region 6 km N Vergato (BO)

A magnitude Md 3.0 earthquake occured in region: 6 km N Vergato (BO), on

  • 12-02-1987 07:14:10 (UTC)
  • 12-02-1987 08:14:10 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.34, 11.11 at 8 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
Vergato BO 6 7639 7639
Marzabotto BO 8 6779 14418
Zocca MO 9 4719 19137
Grizzana Morandi BO 10 3916 23053
Castel d'Aiano BO 10 1906 24959
Sasso Marconi BO 13 14735 39694
Monzuno BO 15 6328 46022
Montese MO 15 3353 49375
Monte San Pietro BO 16 10982 60357
Guiglia MO 16 3931 64288
San Benedetto Val di Sambro BO 17 4315 68603
Savignano sul Panaro MO 17 9177 77780
Marano sul Panaro MO 18 5060 82840
Vignola MO 18 25353 108193
Camugnano BO 19 1885 110078
Loiano BO 19 4294 114372
Valsamoggia BO 19 30561 144933
Zola Predosa BO 20 18770 163703
Pianoro BO 20 17460 181163
Castel di Casio BO 20 3448 184611

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km SW of Bologna (386663 inhabitants)
37 Km SE of Modena (184973 inhabitants)
47 Km NE of Pistoia (90315 inhabitants)
48 Km W of Imola (69797 inhabitants)
51 Km N of Prato (191150 inhabitants)
53 Km SE of Carpi (70699 inhabitants)
55 Km SE of Reggio nell'Emilia (171345 inhabitants)
62 Km W of Faenza (58541 inhabitants)
64 Km N of Firenze (382808 inhabitants)
64 Km N of Scandicci (50609 inhabitants)
69 Km SW of Ferrara (133155 inhabitants)
73 Km NE of Lucca (89046 inhabitants)
75 Km W of Forlì (117913 inhabitants)
81 Km SE of Parma (192836 inhabitants)
84 Km E of Massa (69479 inhabitants)
86 Km E of Carrara (63133 inhabitants)
86 Km NE of Viareggio (62467 inhabitants)
87 Km W of Ravenna (159116 inhabitants)
89 Km NE of Pisa (89158 inhabitants)
93 Km W of Cesena (96758 inhabitants)
98 Km SW of Rovigo (51867 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 3.0
M 3.0
1987-02-12
07:14:10
44.34 11.11 7 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 41119
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1987-02-12 07:14:10 ± 0.597
Latitude 44.34 ± 0.02
Longitude 11.11 ± 0.02
Depth (km) 7 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 41119

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) 2282.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 68
Number of associated phases, regardless of their use for origin computation 48
Number of defining phases 48
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.6
Epicentral distance of station closest to the epicenter (degree) 0.00405
Epicentral distance of station farthest from the epicenter (degree) 0.05253
Number of stations at which the event was observed 30
Number of stations from which data was used for origin computation 30
Magnitudes information

Md:3

Field Value
Value 3
Uncertainty
Num. used stations 5
Type of magnitude Md
Reference to an origin 41119
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:40:58

M:3

Field Value
Value 3
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 41119
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 09:48:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.LOR.Z. 1987-02-12T07:16:41.50 10.0 undecidable manual SN 302 0.0525 1.29 0.2
--.LBF.Z. 1987-02-12T07:16:36.80 10.0 undecidable manual SN 300 0.0507 1.32 0.2
--.HAU.Z. 1987-02-12T07:16:20.10 10.0 undecidable manual SN 319 0.0444 1.49 0.1
--.BSF.Z. 1987-02-12T07:16:12.00 10.0 undecidable manual SN 320 0.0414 1.23 0.2
--.LRG.Z. 1987-02-12T07:15:45.20 10.0 undecidable manual SN 256 0.0317 -0.15 0.6
--.LMR.Z. 1987-02-12T07:15:44.00 10.0 undecidable manual SN 254 0.0311 0.25 0.6
--.FRF.Z. 1987-02-12T07:15:41.20 10.0 undecidable manual SN 257 0.0297 1.28 0.2
--.LOR.Z. 1987-02-12T07:15:36.40 10.0 undecidable manual PN 302 0.0525 -0.43 1
--.LBF.Z. 1987-02-12T07:15:34.40 10.0 undecidable manual PN 300 0.0507 0.29 1.1
--.STV.Z. 1987-02-12T07:15:26.80 10.0 undecidable manual SN 269 0.0243 1.1 0.3
--.SBF.Z. 1987-02-12T07:15:25.40 10.0 undecidable manual SN 260 0.024 0.32 0.7
--.HAU.Z. 1987-02-12T07:15:24.40 10.0 undecidable manual PN 319 0.0444 0.04 1.3
--.CDF.Z. 1987-02-12T07:15:23.00 10.0 undecidable manual PN 328 0.0436 -0.35 1.2
--.BSF.Z. 1987-02-12T07:15:19.60 10.0 undecidable manual PN 320 0.0414 -0.24 1.3
--.CVF.Z. 1987-02-12T07:15:16.80 10.0 undecidable manual SN 222 0.0215 -1.68 0.1
--.TRI.Z. 1987-02-12T07:15:15.30 10.0 undecidable manual SN 52 0.0209 -1.4 0.3
--.IMP.Z. 1987-02-12T07:15:15.50 10.0 undecidable manual SN 260 0.021 -1.64 0.1
--.LRG.Z. 1987-02-12T07:15:05.10 10.0 undecidable manual PN 256 0.0317 -0.06 1.5
--.CTI.Z. 1987-02-12T07:15:03.00 10.0 undecidable manual SN 12 0.0157 -0.11 0.7
--.LMR.Z. 1987-02-12T07:15:03.90 10.0 undecidable manual PN 254 0.0311 -0.34 1.5
--.LPL.Z. 1987-02-12T07:15:02.70 10.0 undecidable manual PN 292 0.0298 0.52 1.4
--.FRF.Z. 1987-02-12T07:15:02.00 10.0 undecidable manual PN 257 0.0297 -0.03 1.6
--.LPG.Z. 1987-02-12T07:15:02.60 10.0 undecidable manual PN 291 0.0296 0.68 1.2
--.GEN.Z. 1987-02-12T07:14:57.70 10.0 undecidable manual SN 273 0.0139 -0.61 0.6
--.SOO.Z. 1987-02-12T07:14:56.00 10.0 undecidable manual PN 274 0.0257 -0.03 1.7
--.RBL.Z. 1987-02-12T07:14:56.00 10.0 undecidable manual PN 38 0.0244 1.93 0.2
--.DA9.Z. 1987-02-12T07:14:55.50 10.0 positive manual PN 274 0.0249 0.88 2.2
--.STV.Z. 1987-02-12T07:14:54.10 10.0 undecidable manual PN 269 0.0243 0.28 1.7
--.SBF.Z. 1987-02-12T07:14:53.60 10.0 undecidable manual PN 260 0.024 0.14 1.7
--.ROB.Z. 1987-02-12T07:14:48.20 10.0 undecidable manual PN 269 0.0208 -0.26 1.7
--.CVF.Z. 1987-02-12T07:14:48.00 10.0 undecidable manual PN 222 0.0215 -1.65 0.4
--.IMP.Z. 1987-02-12T07:14:48.20 10.0 undecidable manual PN 260 0.021 -0.67 1.3
--.TRI.Z. 1987-02-12T07:14:47.10 10.0 positive manual PN 52 0.0209 -1.52 0.9
--.VAI.Z. 1987-02-12T07:14:46.00 10.0 undecidable manual PN 313 0.0202 -1.58 0.4
--.FIN.Z. 1987-02-12T07:14:44.70 10.0 undecidable manual PN 267 0.0187 -0.53 1.5
--.CKI.Z. 1987-02-12T07:14:44.50 10.0 undecidable manual PN 273 0.0181 0.03 1.8
--.CRE.Z. 1987-02-12T07:14:41.50 10.0 undecidable manual SG 139 0.0084 -1.26 0.3
--.CTI.Z. 1987-02-12T07:14:41.00 10.0 undecidable manual PN 12 0.0157 0.22 1.7
--.ASS.Z. 1987-02-12T07:14:41.50 10.0 undecidable manual PN 137 0.0152 1.56 0.4
--.ARV.Z. 1987-02-12T07:14:39.00 10.0 undecidable manual PN 121 0.014 0.82 1.2
--.GEN.Z. 1987-02-12T07:14:37.60 10.0 undecidable manual PN 273 0.0139 -0.4 1.6
--.MF9.Z. 1987-02-12T07:14:34.00 10.0 undecidable manual SG 129 0.0064 -1.55 0.2
--.FIR.Z. 1987-02-12T07:14:32.00 10.0 undecidable manual SG 168 0.0051 1.01 0.6
--.CRE.Z. 1987-02-12T07:14:29.50 10.0 positive manual PG 139 0.0084 0.48 3.1
--.BDI.Z. 1987-02-12T07:14:26.50 10.0 undecidable manual SG 233 0.004 -0.81 0.7
--.FIR.Z. 1987-02-12T07:14:24.00 10.0 undecidable manual PG 168 0.0051 1.77 0.3
--.MF9.Z. 1987-02-12T07:14:24.50 10.0 undecidable manual PG 129 0.0064 -0.36 1.6
--.BDI.Z. 1987-02-12T07:14:19.50 10.0 positive manual PG 233 0.004 -0.6 2.9
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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