Earthquake with magnitude of Md 2.6 on date 17-08-1985 and time 05:43:09 (Italy) in region 7 km SE Farini (PC)

A magnitude Md 2.6 earthquake occured in region: 7 km SE Farini (PC), on

  • 17-08-1985 03:43:09 (UTC)
  • 17-08-1985 05:43:09 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.66, 9.61 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
Farini PC 7 1290 1290
Ferriere PC 9 1294 2584
Bardi PR 10 2227 4811
Morfasso PC 10 1024 5835
Bettola PC 14 2828 8663
Bore PR 16 749 9412
Bedonia PR 17 3482 12894
Santo Stefano d'Aveto GE 17 1126 14020
Compiano PR 18 1112 15132
Varsi PR 19 1230 16362
Coli PC 19 879 17241
Tornolo PR 19 1010 18251
Corte Brugnatella PC 20 586 18837

Municipalities with at least 50000 inhabitants

An earthquake occurred to
45 Km S of Piacenza (102191 inhabitants)
59 Km W of Parma (192836 inhabitants)
60 Km E of Genova (586655 inhabitants)
62 Km SW of Cremona (71901 inhabitants)
63 Km N of La Spezia (93959 inhabitants)
69 Km SE of Pavia (72576 inhabitants)
75 Km NW of Carrara (63133 inhabitants)
81 Km NW of Massa (69479 inhabitants)
81 Km W of Reggio nell'Emilia (171345 inhabitants)
84 Km E of Alessandria (93943 inhabitants)
95 Km SE of Vigevano (63310 inhabitants)
96 Km SE of Milano (1345851 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 2.6 1985-08-17
03:43:09
44.66 9.61 10 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 11969
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-08-17 03:43:09 ± 0.135
Latitude 44.66 ± 0.01
Longitude 9.61 ± 0.01
Depth (km) 10 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 11969

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) 1444.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 124
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
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) 0.00146
Epicentral distance of station farthest from the epicenter (degree) 0.01158
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

Md:2.6

Field Value
Value 2.6
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 11969
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:15:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.ROB.Z. 1985-08-17T03:43:50.50 10.0 undecidable manual SN 254 0.0116 0.23 0.3
--.ROB.Z. 1985-08-17T03:43:32.80 10.0 undecidable manual PN 254 0.0116 -0.11 1.1
--.GEN.Z. 1985-08-17T03:43:28.00 10.0 undecidable manual SG 243 0.0048 -0.28 0.4
--.BD1.Z. 1985-08-17T03:43:27.50 10.0 undecidable manual PG 129 0.0083 0.17 1.2
--.GEN.Z. 1985-08-17T03:43:20.20 10.0 undecidable manual PG 243 0.0048 -0.01 1.7
--.PCN.Z. 1985-08-17T03:43:17.50 10.0 undecidable manual PG 5 0.0036 -0.14 1.5
--.CO9.Z. 1985-08-17T03:43:17.00 10.0 undecidable manual SG 313 0.0015 0.68 0.1
--.CO9.Z. 1985-08-17T03:43:13.00 10.0 negative manual PG 313 0.0015 -0.31 1.8
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
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