Earthquake with magnitude of Md 2.3 on date 07-07-1985 and time 04:10:56 (Italy) in region 5 km SW Bardi (PR)

A magnitude Md 2.3 earthquake occured in region: 5 km SW Bardi (PR), on

  • 07-07-1985 02:10:56 (UTC)
  • 07-07-1985 04:10:56 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.5910, 9.6990 at 10 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
Bardi PR 6 2227 2227
Compiano PR 11 1112 3339
Bedonia PR 11 3482 6821
Borgo Val di Taro PR 13 6999 13820
Tornolo PR 13 1010 14830
Varsi PR 14 1230 16060
Morfasso PC 15 1024 17084
Valmozzola PR 15 539 17623
Albareto PR 16 2156 19779
Bore PR 16 749 20528
Farini PC 17 1290 21818
Ferriere PC 17 1294 23112

Municipalities with at least 50000 inhabitants

An earthquake occurred to
51 Km S of Piacenza (102191 inhabitants)
55 Km N of La Spezia (93959 inhabitants)
55 Km W of Parma (192836 inhabitants)
64 Km E of Genova (586655 inhabitants)
65 Km NW of Carrara (63133 inhabitants)
66 Km SW of Cremona (71901 inhabitants)
71 Km NW of Massa (69479 inhabitants)
75 Km W of Reggio nell'Emilia (171345 inhabitants)
79 Km SE of Pavia (72576 inhabitants)
92 Km NW of Viareggio (62467 inhabitants)
93 Km E of Alessandria (93943 inhabitants)
96 Km W of Carpi (70699 inhabitants)
97 Km W of Modena (184973 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 2.3 1985-07-07
02:10:56
44.591 9.699 10 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 9709
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-07-07 02:10:56 ± 0.091
Latitude 44.5910 ± 0.0055
Longitude 9.6990 ± 0.0087
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 9709

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) 920.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 147
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) 0.00121
Epicentral distance of station farthest from the epicenter (degree) 0.00939
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:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 9709
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:13:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.PS9.Z. 1985-07-07T02:11:32.50 10.0 undecidable manual SN 145 1.0434 0.28 0.2
--.CK1.Z. 1985-07-07T02:11:31.50 10.0 undecidable manual SG 260 1.0212 -0.09 0.6
--.PS9.Z. 1985-07-07T02:11:17.00 10.0 undecidable manual PN 145 1.0434 -0.22 0.9
--.CK1.Z. 1985-07-07T02:11:17.00 10.0 undecidable manual PG 260 1.0212 0.14 1.3
--.PCN.Z. 1985-07-07T02:11:06.40 10.0 undecidable manual PG 357 0.4551 0.05 2.1
--.BVT.Z. 1985-07-07T02:11:03.50 10.0 undecidable manual SG 144 0.1332 0.25 0.5
--.BVT.Z. 1985-07-07T02:11:00.30 10.0 undecidable manual PG 144 0.1332 -0.19 1.3
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