Earthquake with magnitude of Md 3.0 on date 13-08-1985 and time 16:42:38 (Italy) in region 8 km N Bedonia (PR)

A magnitude Md 3.0 earthquake occured in region: 8 km N Bedonia (PR), on

  • 13-08-1985 14:42:38 (UTC)
  • 13-08-1985 16:42:38 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.57, 9.66 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
Bedonia PR 8 3482 3482
Compiano PR 9 1112 4594
Bardi PR 9 2227 6821
Tornolo PR 10 1010 7831
Borgo Val di Taro PR 13 6999 14830
Albareto PR 15 2156 16986
Ferriere PC 15 1294 18280
Santo Stefano d'Aveto GE 17 1126 19406
Morfasso PC 17 1024 20430
Farini PC 17 1290 21720
Varsi PR 18 1230 22950
Valmozzola PR 18 539 23489
Bore PR 20 749 24238

Municipalities with at least 50000 inhabitants

An earthquake occurred to
53 Km S of Piacenza (102191 inhabitants)
54 Km N of La Spezia (93959 inhabitants)
59 Km W of Parma (192836 inhabitants)
60 Km E of Genova (586655 inhabitants)
65 Km NW of Carrara (63133 inhabitants)
69 Km SW of Cremona (71901 inhabitants)
71 Km NW of Massa (69479 inhabitants)
78 Km W of Reggio nell'Emilia (171345 inhabitants)
79 Km SE of Pavia (72576 inhabitants)
91 Km E of Alessandria (93943 inhabitants)
92 Km NW of Viareggio (62467 inhabitants)
98 Km E of Savona (61345 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 3.0 1985-08-13
14:42:38
44.57 9.66 4 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 11699
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-08-13 14:42:38 ± 0.212
Latitude 44.57 ± 0.01
Longitude 9.66 ± 0.02
Depth (km) 4 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 11699

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) 2116.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 129
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.0013
Epicentral distance of station farthest from the epicenter (degree) 0.01522
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

Md:3

Field Value
Value 3
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 11699
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:15:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.STV.Z. 1985-08-13T14:43:32.00 10.0 undecidable manual SN 259 0.0152 0.66 0.2
--.BG1.Z. 1985-08-13T14:43:20.00 10.0 undecidable manual SN 1 0.0108 0.26 0.4
--.ROB.Z. 1985-08-13T14:43:20.40 10.0 undecidable manual SN 258 0.0117 -1.65 0
--.PS9.Z. 1985-08-13T14:43:15.00 10.0 undecidable manual SG 143 0.0095 -0.84 0.1
--.STV.Z. 1985-08-13T14:43:09.50 10.0 undecidable manual PN 259 0.0152 0.32 0.8
--.ROB.Z. 1985-08-13T14:43:03.80 10.0 undecidable manual PN 258 0.0117 -0.01 1.2
--.BG1.Z. 1985-08-13T14:43:03.00 10.0 negative manual PN 1 0.0108 0.52 1.5
--.PS9.Z. 1985-08-13T14:42:59.50 10.0 undecidable manual PG 143 0.0095 -0.72 0.5
--.GEN.Z. 1985-08-13T14:42:59.30 10.0 undecidable manual SG 253 0.0048 0.11 0.6
--.GEN.Z. 1985-08-13T14:42:50.80 10.0 undecidable manual PG 253 0.0048 0.19 1.4
--.PCN.Z. 1985-08-13T14:42:49.00 10.0 undecidable manual PG 0 0.0043 -0.54 1.7
--.CO9.Z. 1985-08-13T14:42:48.00 10.0 undecidable manual SG 322 0.0022 -0.41 0.4
--.CO9.Z. 1985-08-13T14:42:44.50 10.0 negative manual PG 322 0.0022 0.11 2.9
--.BVT.Z. 1985-08-13T14:42:42.70 10.0 negative manual PG 131 0.0013 0.39 2.2
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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