Earthquake with magnitude of Md 4.1 on date 01-10-1986 and time 20:53:39 (Italy) in region SE Comano (MS)

A magnitude Md 4.1 earthquake occured in region: SE Comano (MS), on

  • 01-10-1986 19:53:39 (UTC)
  • 01-10-1986 20:53:39 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.3, 10.14 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
Comano MS 0 714 714
Fivizzano MS 7 7925 8639
Licciana Nardi MS 9 4949 13588
Casola in Lunigiana MS 11 988 14576
Bagnone MS 12 1887 16463
Monchio delle Corti PR 13 933 17396
Villafranca in Lunigiana MS 15 4770 22166
Minucciano LU 15 2102 24268
Sillano Giuncugnano LU 15 1085 25353
Tresana MS 16 2044 27397
Palanzano PR 16 1142 28539
Filattiera MS 16 2309 30848
Aulla MS 17 11263 42111
Ventasso RE 17 4295 46406
Piazza al Serchio LU 18 2367 48773
Podenzana MS 18 2180 50953
Mulazzo MS 18 2424 53377

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km N of Carrara (63133 inhabitants)
29 Km N of Massa (69479 inhabitants)
32 Km NE of La Spezia (93959 inhabitants)
49 Km N of Viareggio (62467 inhabitants)
58 Km NW of Lucca (89046 inhabitants)
58 Km S of Parma (192836 inhabitants)
59 Km SW of Reggio nell'Emilia (171345 inhabitants)
68 Km NW of Pisa (89158 inhabitants)
74 Km SW of Modena (184973 inhabitants)
74 Km NW of Pistoia (90315 inhabitants)
80 Km SW of Carpi (70699 inhabitants)
84 Km N of Livorno (159219 inhabitants)
90 Km NW of Prato (191150 inhabitants)
91 Km SE of Piacenza (102191 inhabitants)
94 Km S of Cremona (71901 inhabitants)
97 Km E of Genova (586655 inhabitants)
98 Km W of Bologna (386663 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 1986-10-01
19:53:39
44.3 10.14 4 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 34969
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-10-01 19:53:39 ± 0.386
Latitude 44.30 ± 0.01
Longitude 10.14 ± 0.02
Depth (km) 4 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 34969

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) 2123.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 99
Number of associated phases, regardless of their use for origin computation 52
Number of defining phases 52
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) 0.00259
Epicentral distance of station farthest from the epicenter (degree) 0.08621
Number of stations at which the event was observed 49
Number of stations from which data was used for origin computation 49
Magnitude information

Md:4.1

Field Value
Value 4.1
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 34969
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:35:26
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.VAY.Z. 1986-10-01T19:55:59.00 10.0 undecidable manual PN 103 0.0862 0.45 0.5
--.SKO.Z. 1986-10-01T19:55:46.00 10.0 undecidable manual PN 101 0.077 1.48 0.1
--.TTG.Z. 1986-10-01T19:55:23.50 10.0 undecidable manual PN 102 0.0619 1.98 0
--.PLE.Z. 1986-10-01T19:55:21.60 10.0 undecidable manual PN 94 0.0606 2.02 0
--.BDV.Z. 1986-10-01T19:55:19.00 10.0 undecidable manual PN 104 0.0597 0.93 0.4
--.BAI.Z. 1986-10-01T19:55:08.00 10.0 undecidable manual PN 120 0.0529 0.14 0.8
--.MS1.Z. 1986-10-01T19:54:56.00 10.0 undecidable manual PN 119 0.0447 0.74 0.6
--.SOR.Z. 1986-10-01T19:54:54.30 10.0 undecidable manual PN 138 0.0435 0.9 0.5
--.ZAG.Z. 1986-10-01T19:54:47.50 10.0 undecidable manual PN 67 0.0397 -0.03 1
--.MSC.Z. 1986-10-01T19:54:45.70 10.0 undecidable manual PN 136 0.0376 1.16 0.4
--.ROF.Z. 1986-10-01T19:54:43.50 10.0 undecidable manual PN 327 0.0365 0.75 0.7
--.DA9.Z. 1986-10-01T19:54:41.00 10.0 undecidable manual SN 276 0.0186 -0.52 0.6
--.LJU.Z. 1986-10-01T19:54:35.50 10.0 undecidable manual PN 58 0.0319 -0.27 1
--.CEY.Z. 1986-10-01T19:54:31.90 10.0 undecidable manual PN 62 0.0302 -1.18 0.4
--.RMP.Z. 1986-10-01T19:54:30.78 10.0 undecidable manual PN? 141 0.028 1.04 0.2
--.RBL.Z. 1986-10-01T19:54:30.27 10.0 negative manual PN 46 0.029 -1 1.1
--.VOY.Z. 1986-10-01T19:54:29.70 10.0 undecidable manual PN 55 0.0284 -0.75 0.8
--.TRI.Z. 1986-10-01T19:54:26.40 10.0 negative manual PN 59 0.0263 -1.14 0.9
--.BN9.Z. 1986-10-01T19:54:23.42 10.0 undecidable manual PN 288 0.0231 1.1 0.5
--.CKI.Z. 1986-10-01T19:54:22.00 10.0 undecidable manual SN 275 0.012 -1.89 0.1
--.RRL.Z. 1986-10-01T19:54:21.80 10.0 undecidable manual PN 285 0.0222 0.93 0.7
--.LSD.Z. 1986-10-01T19:54:20.60 10.0 undecidable manual PN 299 0.0216 0.52 1
--.MMK.Z. 1986-10-01T19:54:20.50 10.0 undecidable manual PN 319 0.0209 1.53 0.2
--.OSS.Z. 1986-10-01T19:54:20.90 10.0 undecidable manual PN 359 0.0215 1.09 0.5
--.VDL.Z. 1986-10-01T19:54:18.50 10.0 undecidable manual PN 347 0.0201 0.77 0.8
--.GAI.Z. 1986-10-01T19:54:17.30 10.0 undecidable manual PN 291 0.019 1.22 0.4
--.ARV.Z. 1986-10-01T19:54:17.23 10.0 undecidable manual PN 110 0.0195 0.38 1.1
--.SOO.Z. 1986-10-01T19:54:16.40 10.0 undecidable manual PN 276 0.0196 -0.52 1
--.ORO.Z. 1986-10-01T19:54:15.56 10.0 negative manual PN 311 0.0181 0.77 0.8
--.ORX.Z. 1986-10-01T19:54:15.20 10.0 undecidable manual PN 311 0.0182 0.38 1.1
--.DA9.Z. 1986-10-01T19:54:15.80 10.0 positive manual PN 276 0.0186 0.29 2.3
--.STV.Z. 1986-10-01T19:54:14.40 10.0 undecidable manual PN 269 0.0181 -0.2 1.2
--.CTI.Z. 1986-10-01T19:54:14.27 10.0 positive manual PN 30 0.0184 -0.88 1.4
--.MAO.Z. 1986-10-01T19:54:14.50 10.0 negative manual PN 157 0.0181 -0.24 2.4
--.PRO.Z. 1986-10-01T19:54:13.90 10.0 undecidable manual PN 99 0.0181 -0.66 0.9
--.ENR.Z. 1986-10-01T19:54:13.60 10.0 undecidable manual PN 268 0.0175 -0.13 1.2
--.FIR.N. 1986-10-01T19:54:12.00 10.0 undecidable manual SG 122 0.0086 -1.87 0
--.VAI.Z. 1986-10-01T19:54:12.69 10.0 negative manual PN 328 0.0165 0.39 2.2
--.IMP.Z. 1986-10-01T19:54:08.80 10.0 undecidable manual PN 257 0.0148 -0.94 0.7
--.ROB.Z. 1986-10-01T19:54:08.20 10.0 undecidable manual PN 270 0.0146 -1.05 0.6
--.MDI.Z. 1986-10-01T19:54:07.69 10.0 positive manual PN 348 0.0135 -0.05 2.5
--.CRE.Z. 1986-10-01T19:54:06.57 10.0 negative manual PN 116 0.0132 -0.63 1.9
--.FIN.Z. 1986-10-01T19:54:05.10 10.0 undecidable manual PN 266 0.0124 -0.91 0.7
--.SAL.Z. 1986-10-01T19:54:05.40 10.0 negative manual PN 11 0.012 0.01 2.5
--.CKI.Z. 1986-10-01T19:54:04.59 10.0 positive manual PN 275 0.012 -0.73 1.7
--.FIR.Z. 1986-10-01T19:53:59.00 10.0 undecidable manual PG 122 0.0086 -0.54 1
--.GEN.Z. 1986-10-01T19:53:57.70 10.0 undecidable manual PG 278 0.0078 -0.1 1.2
--.VEA.Z. 1986-10-01T19:53:54.40 10.0 undecidable manual PG 328 0.0062 -0.3 1.2
--.CO9.Z. 1986-10-01T19:53:54.00 10.0 positive manual PG 313 0.0061 -0.37 2.3
--.PS9.Z. 1986-10-01T19:53:53.30 10.0 negative manual PG 153 0.0057 -0.33 2.3
--.BDI.Z. 1986-10-01T19:53:48.74 10.0 positive manual PG 125 0.0036 -0.26 2.4
--.BVT.Z. 1986-10-01T19:53:46.40 10.0 undecidable manual PG 307 0.0026 -0.05 1.2
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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