Earthquake with magnitude of Md 4.1 on date 06-12-1986 and time 17:07:18 (UTC) in region 3 km S Ficarolo (RO)

A magnitude Md 4.1 earthquake occured in region: 3 km S Ficarolo (RO), on

  • 06-12-1986 17:07:18 (UTC)
  • 06-12-1986 18:07:18 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.93, 11.44 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Ficarolo RO 3 2438 2438
Gaiba RO 5 1063 3501
Bondeno FE 5 14655 18156
Salara RO 7 1160 19316
Stienta RO 9 3253 22569
Felonica MN 9 1359 23928
Calto RO 10 743 24671
Vigarano Mainarda FE 11 7694 32365
Ceneselli RO 11 1719 34084
Bagnolo di Po RO 11 1293 35377
Mirabello FE 11 3266 38643
Occhiobello RO 12 11979 50622
Trecenta RO 12 2805 53427
Canda RO 13 949 54376
Castelguglielmo RO 14 1580 55956
Sermide MN 14 6189 62145
Castelmassa RO 14 4252 66397
Fiesso Umbertiano RO 14 4142 70539
Finale Emilia MO 15 15699 86238
Sant'Agostino FE 15 6853 93091
Giacciano con Baruchella RO 16 2162 95253
Pincara RO 16 1165 96418
Castelnovo Bariano RO 16 2762 99180
San Bellino RO 17 1118 100298
Ferrara FE 18 133155 233453
Poggio Renatico FE 18 9852 243305
Canaro RO 19 2806 246111
Badia Polesine RO 19 10509 256620

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km NW of Ferrara (133155 inhabitants)
32 Km W of Rovigo (51867 inhabitants)
46 Km E of Carpi (70699 inhabitants)
49 Km N of Bologna (386663 inhabitants)
51 Km NE of Modena (184973 inhabitants)
64 Km SW of Padova (210401 inhabitants)
67 Km SE of Verona (258765 inhabitants)
68 Km NW of Imola (69797 inhabitants)
68 Km E of Reggio nell'Emilia (171345 inhabitants)
70 Km S of Vicenza (112953 inhabitants)
80 Km NW of Faenza (58541 inhabitants)
83 Km NW of Ravenna (159116 inhabitants)
88 Km E of Parma (192836 inhabitants)
91 Km SW of Venezia (263352 inhabitants)
92 Km NW of Forlì (117913 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 4.1 1986-12-06
17:07:18
44.93 11.44 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 37879
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-12-06 17:07:18 ± 0.136
Latitude 44.93 ± 0.01
Longitude 11.44 ± 0.02
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 37879

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) 2045.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 50
Number of associated phases, regardless of their use for origin computation 40
Number of defining phases 40
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) 0.00834
Epicentral distance of station farthest from the epicenter (degree) 0.05925
Number of stations at which the event was observed 31
Number of stations from which data was used for origin computation 31
Magnitude information

Md:4.1

Field Value
Value 4.1
Uncertainty
Num. used stations 6
Type of magnitude Md
Reference to an origin 37879
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:37:59
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.PVY.Z. 1986-12-06T17:10:08.00 10.0 undecidable manual SN 107 0.0593 0.8 0.3
--.TTG.Z. 1986-12-06T17:09:58.50 10.0 undecidable manual SN 110 0.0556 0.94 0.2
--.BDV.Z. 1986-12-06T17:09:51.50 10.0 undecidable manual SN 113 0.0537 -0.94 0.2
--.NKY.Z. 1986-12-06T17:09:50.00 10.0 undecidable manual SN 107 0.0525 0.49 0.4
--.HCY.Z. 1986-12-06T17:09:46.00 10.0 undecidable manual SN 112 0.051 0.52 0.4
--.BRY.Z. 1986-12-06T17:09:41.20 10.0 undecidable manual SN 108 0.0495 -0.23 0.4
--.PVY.Z. 1986-12-06T17:08:57.00 10.0 undecidable manual PN 107 0.0593 0.99 0.5
--.TTG.Z. 1986-12-06T17:08:51.00 10.0 undecidable manual PN 110 0.0556 0.56 0.8
--.BDV.Z. 1986-12-06T17:08:48.00 10.0 undecidable manual PN 113 0.0537 0.52 0.9
--.NKY.Z. 1986-12-06T17:08:46.50 10.0 undecidable manual PN 107 0.0525 0.71 0.8
--.HCY.Z. 1986-12-06T17:08:44.20 10.0 undecidable manual PN 112 0.051 0.73 0.8
--.BRT.Z. 1986-12-06T17:08:44.00 10.0 undecidable manual PN 131 0.0524 -1.53 0.2
--.BRY.Z. 1986-12-06T17:08:42.00 10.0 undecidable manual PN 108 0.0495 0.88 0.6
--.SGO.Z. 1986-12-06T17:08:36.00 10.0 undecidable manual PN 145 0.0469 -1.11 0.5
--.SOR.Z. 1986-12-06T17:08:32.00 10.0 undecidable manual PN 152 0.0435 0.01 1.3
--.DUI.Z. 1986-12-06T17:08:19.00 10.0 undecidable manual PN 144 0.0354 -0.65 1
--.FO1.Z. 1986-12-06T17:08:17.50 10.0 undecidable manual SN 28 0.0172 1.46 0.2
--.SD1.Z. 1986-12-06T17:08:14.50 10.0 undecidable manual PN 150 0.0328 -1.21 0.5
--.BN9.Z. 1986-12-06T17:08:13.00 10.0 undecidable manual PN 273 0.0303 1.23 0.5
--.DA9.Z. 1986-12-06T17:08:07.00 10.0 undecidable manual PN 262 0.027 0.16 1.5
--.AQU.Z. 1986-12-06T17:08:06.00 10.0 undecidable manual PN 149 0.0264 0.06 1.5
--.MDI.Z. 1986-12-06T17:08:06.00 10.0 undecidable manual SN 305 0.0133 0.25 0.9
--.MAO.Z. 1986-12-06T17:07:59.00 10.0 undecidable manual PN 184 0.0226 -1.14 0.6
--.CKI.Z. 1986-12-06T17:07:59.00 10.0 undecidable manual PN 257 0.0206 1.84 0.1
--.ORO.Z. 1986-12-06T17:07:59.00 10.0 undecidable manual PN 286 0.0227 -1.28 0.4
--.VAI.Z. 1986-12-06T17:07:54.00 10.0 undecidable manual PN 296 0.0188 -0.3 1.4
--.ASS.Z. 1986-12-06T17:07:54.00 10.0 undecidable manual PN 153 0.0185 0.15 1.5
--.RBL.Z. 1986-12-06T17:07:54.00 10.0 undecidable manual PN 43 0.019 -0.72 1
--.FO1.Z. 1986-12-06T17:07:52.00 10.0 undecidable manual PN 28 0.0172 0.18 1.5
--.SAL.Z. 1986-12-06T17:07:52.00 10.0 undecidable manual SG 316 0.0083 0.43 0.8
--.TRI.Z. 1986-12-06T17:07:49.50 10.0 undecidable manual PN 62 0.0163 -0.98 0.7
--.ARV.Z. 1986-12-06T17:07:49.50 10.0 undecidable manual PN 141 0.0161 -0.67 1.1
--.MDI.Z. 1986-12-06T17:07:46.00 10.0 positive manual PN 305 0.0133 0.11 3
--.CO9.Z. 1986-12-06T17:07:45.50 10.0 negative manual PN 263 0.0127 0.46 2.6
--.CRE.Z. 1986-12-06T17:07:44.30 10.0 negative manual PN 163 0.0122 0.07 3
--.PS9.Z. 1986-12-06T17:07:44.00 10.0 undecidable manual PN 208 0.0123 -0.4 1.3
--.FIR.Z. 1986-12-06T17:07:41.50 10.0 positive manual PN 185 0.0104 -0.01 3
--.CTI.Z. 1986-12-06T17:07:40.20 10.0 positive manual PN 6 0.0101 -0.89 1.6
--.BDI.Z. 1986-12-06T17:07:39.50 10.0 undecidable manual PG 214 0.0094 -0.38 1.3
--.SAL.Z. 1986-12-06T17:07:36.50 10.0 positive manual PG 316 0.0083 -1.2 1
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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