Earthquake with magnitude of Md 2.1 on date 12-08-1985 and time 06:17:43 (Italy) in region 5 km E Farini (PC)

A magnitude Md 2.1 earthquake occured in region: 5 km E Farini (PC), on

  • 12-08-1985 04:17:43 (UTC)
  • 12-08-1985 06:17:43 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.7210, 9.6290 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
Farini PC 5 1290 1290
Morfasso PC 6 1024 2314
Bettola PC 7 2828 5142
Bardi PR 13 2227 7369
Bore PR 13 749 8118
Ferriere PC 13 1294 9412
Gropparello PC 15 2293 11705
Ponte dell'Olio PC 17 4794 16499
Travo PC 17 2087 18586
Coli PC 17 879 19465
Vernasca PC 18 2131 21596
Varsi PR 18 1230 22826
Lugagnano Val d'Arda PC 19 4116 26942
Corte Brugnatella PC 20 586 27528
Bobbio PC 20 3577 31105

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km S of Piacenza (102191 inhabitants)
56 Km SW of Cremona (71901 inhabitants)
56 Km W of Parma (192836 inhabitants)
64 Km SE of Pavia (72576 inhabitants)
65 Km NE of Genova (586655 inhabitants)
70 Km N of La Spezia (93959 inhabitants)
79 Km W of Reggio nell'Emilia (171345 inhabitants)
81 Km NW of Carrara (63133 inhabitants)
83 Km E of Alessandria (93943 inhabitants)
86 Km NW of Massa (69479 inhabitants)
90 Km SE of Vigevano (63310 inhabitants)
90 Km SE of Milano (1345851 inhabitants)
96 Km SE of Sesto San Giovanni (81608 inhabitants)
99 Km SE of Cinisello Balsamo (75078 inhabitants)
100 Km W of Carpi (70699 inhabitants)
100 Km S of Monza (122671 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 2.1 1985-08-12
04:17:43
44.721 9.629 4 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 11619
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-08-12 04:17:43 ± 0.29
Latitude 44.7210 ± 0.0277
Longitude 9.6290 ± 0.0353
Depth (km) 4 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 11619

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) 4158.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 217
Number of associated phases, regardless of their use for origin computation 5
Number of defining phases 5
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00121
Epicentral distance of station farthest from the epicenter (degree) 0.01060
Number of stations at which the event was observed 3
Number of stations from which data was used for origin computation 3
Magnitude information

Md:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 11619
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:15:00
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.PS9.Z. 1985-08-12T04:18:07.00 10.0 undecidable manual PN 146 1.1766 0 1.3
--.BVT.Z. 1985-08-12T04:17:54.80 10.0 undecidable manual SG 151 0.2775 0.18 0.3
--.CO9.Z. 1985-08-12T04:17:49.00 10.0 undecidable manual SG 289 0.1332 -0.18 0.3
--.BVT.Z. 1985-08-12T04:17:49.90 10.0 undecidable manual PG 151 0.2775 -0.12 1.5
--.CO9.Z. 1985-08-12T04:17:47.00 10.0 undecidable manual PG 289 0.1332 0.12 1.5
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