Earthquake with magnitude of Md 2.5 on date 28-12-1985 and time 11:49:35 (Italy) in region 6 km NE Cutigliano (PT)

A magnitude Md 2.5 earthquake occured in region: 6 km NE Cutigliano (PT), on

  • 28-12-1985 10:49:35 (UTC)
  • 28-12-1985 11:49:35 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.1480, 10.7800 at 3 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
Cutigliano PT 6 1488 1488
Fanano MO 7 2989 4477
Abetone PT 9 621 5098
Lizzano in Belvedere BO 9 2212 7310
Sestola MO 9 2508 9818
San Marcello Pistoiese PT 10 6416 16234
Fiumalbo MO 11 1280 17514
Montecreto MO 12 940 18454
Piteglio PT 13 1683 20137
Riolunato MO 14 712 20849
Gaggio Montano BO 14 4878 25727
Pievepelago MO 15 2222 27949
Alto Reno Terme BO 16 6960 34909
Sambuca Pistoiese PT 18 1626 36535
Lama Mocogno MO 18 2734 39269
Montese MO 19 3353 42622

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km NW of Pistoia (90315 inhabitants)
39 Km NW of Prato (191150 inhabitants)
40 Km NE of Lucca (89046 inhabitants)
52 Km E of Massa (69479 inhabitants)
53 Km NE of Viareggio (62467 inhabitants)
54 Km NW of Scandicci (50609 inhabitants)
55 Km E of Carrara (63133 inhabitants)
57 Km NE of Pisa (89158 inhabitants)
57 Km S of Modena (184973 inhabitants)
57 Km NW of Firenze (382808 inhabitants)
59 Km SW of Bologna (386663 inhabitants)
62 Km S of Reggio nell'Emilia (171345 inhabitants)
71 Km S of Carpi (70699 inhabitants)
76 Km E of La Spezia (93959 inhabitants)
76 Km NE of Livorno (159219 inhabitants)
78 Km W of Imola (69797 inhabitants)
81 Km SE of Parma (192836 inhabitants)
89 Km W of Faenza (58541 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 2.5 1985-12-28
10:49:35
44.148 10.78 3 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 19199
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-12-28 10:49:35 ± 0.461
Latitude 44.1480 ± 0.0293
Longitude 10.7800 ± 0.0183
Depth (km) 3 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 19199

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) 3570.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 104
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 11
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) 0.00138
Epicentral distance of station farthest from the epicenter (degree) 0.01999
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:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 19199
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:21:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.FIR.Z. 1985-12-28T10:49:47.00 10.0 undecidable manual PG 137 0.4995 0.25 1.5
--.CO9.Z. 1985-12-28T10:50:15.00 10.0 undecidable manual SN 303 1.1322 0.16 0.9
--.VAI.Z. 1985-12-28T10:50:14.00 10.0 undecidable manual PN 320 2.22 0.78 0.4
--.CRE.Z. 1985-12-28T10:50:11.00 10.0 undecidable manual SG 121 0.9879 0.32 0.6
--.CTI.Z. 1985-12-28T10:50:10.00 10.0 undecidable manual PN 17 1.9869 -0.02 1.1
--.CO9.Z. 1985-12-28T10:49:57.00 10.0 undecidable manual PN 303 1.1322 -1.2 0.1
--.CRE.Z. 1985-12-28T10:49:56.00 10.0 undecidable manual PG 121 0.9879 0.2 1.5
--.FIR.N. 1985-12-28T10:49:54.00 10.0 undecidable manual SG 137 0.4995 -1 0.1
--.BDI.Z. 1985-12-28T10:49:42.00 10.0 undecidable manual SG 236 0.1554 0.41 0.5
--.BDI.Z. 1985-12-28T10:49:39.00 10.0 positive manual PG 236 0.1554 0 3.3
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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