Earthquake with magnitude of Md 2.5 on date 28-12-1985 and time 11:58:02 (Italy) in region 1 km E Cutigliano (PT)

A magnitude Md 2.5 earthquake occured in region: 1 km E Cutigliano (PT), on

  • 28-12-1985 10:58:02 (UTC)
  • 28-12-1985 11:58:02 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.1030, 10.7670 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
Cutigliano PT 1 1488 1488
San Marcello Pistoiese PT 6 6416 7904
Piteglio PT 8 1683 9587
Abetone PT 9 621 10208
Fanano MO 12 2989 13197
Lizzano in Belvedere BO 12 2212 15409
Fiumalbo MO 13 1280 16689
Sestola MO 14 2508 19197
Pievepelago MO 17 2222 21419
Montecreto MO 17 940 22359
Riolunato MO 17 712 23071
Gaggio Montano BO 17 4878 27949
Bagni di Lucca LU 17 6161 34110
Alto Reno Terme BO 18 6960 41070
Sambuca Pistoiese PT 19 1626 42696
Marliana PT 19 3210 45906
Coreglia Antelminelli LU 20 5215 51121

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km NW of Pistoia (90315 inhabitants)
36 Km NE of Lucca (89046 inhabitants)
36 Km NW of Prato (191150 inhabitants)
49 Km NE of Viareggio (62467 inhabitants)
50 Km E of Massa (69479 inhabitants)
51 Km NW of Scandicci (50609 inhabitants)
52 Km NE of Pisa (89158 inhabitants)
54 Km E of Carrara (63133 inhabitants)
54 Km NW of Firenze (382808 inhabitants)
62 Km S of Modena (184973 inhabitants)
63 Km SW of Bologna (386663 inhabitants)
67 Km S of Reggio nell'Emilia (171345 inhabitants)
71 Km NE of Livorno (159219 inhabitants)
75 Km E of La Spezia (93959 inhabitants)
76 Km S of Carpi (70699 inhabitants)
81 Km W of Imola (69797 inhabitants)
85 Km SE of Parma (192836 inhabitants)
91 Km W of Faenza (58541 inhabitants)
98 Km NW of Siena (53903 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
10:58:02
44.103 10.767 5 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 19209
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-12-28 10:58:02 ± 0.228
Latitude 44.1030 ± 0.0232
Longitude 10.7670 ± 0.0128
Depth (km) 5 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 19209

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) 2773.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 132
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 7
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00113
Epicentral distance of station farthest from the epicenter (degree) 0.01829
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitude information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 19209
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:21:53
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.CO9.Z. 1985-12-28T10:58:41.50 10.0 undecidable manual SN 305 1.1544 0.02 1.1
--.CTI.Z. 1985-12-28T10:58:37.00 10.0 undecidable manual PN 17 2.0313 -0.14 1.1
--.CRE.Z. 1985-12-28T10:58:36.00 10.0 undecidable manual SG 118 0.9657 -0.6 0
--.CO9.Z. 1985-12-28T10:58:25.00 10.0 undecidable manual PN 305 1.1544 0.08 1.7
--.CRE.Z. 1985-12-28T10:58:22.50 10.0 undecidable manual PG 118 0.9657 0.39 0.6
--.BDI.Z. 1985-12-28T10:58:07.60 10.0 undecidable manual SG 251 0.1221 0.04 0.8
--.BDI.Z. 1985-12-28T10:58:05.20 10.0 undecidable manual PG 251 0.1221 -0.14 1.7
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download