Earthquake with magnitude of Md 2.1 on date 12-11-1985 and time 08:14:11 (UTC) in region 7 km E Ferriere (PC)

A magnitude Md 2.1 earthquake occured in region: 7 km E Ferriere (PC), on

  • 12-11-1985 08:14:11 (UTC)
  • 12-11-1985 09:14:11 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.6150, 9.5800 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
Ferriere PC 7 1294 1294
Farini PC 11 1290 2584
Bardi PR 12 2227 4811
Santo Stefano d'Aveto GE 13 1126 5937
Bedonia PR 13 3482 9419
Compiano PR 15 1112 10531
Tornolo PR 15 1010 11541
Morfasso PC 16 1024 12565
Rezzoaglio GE 18 995 13560
Bettola PC 18 2828 16388
Corte Brugnatella PC 19 586 16974
Cerignale PC 19 127 17101
Coli PC 20 879 17980
Ottone PC 20 516 18496

Municipalities with at least 50000 inhabitants

An earthquake occurred to
50 Km S of Piacenza (102191 inhabitants)
56 Km E of Genova (586655 inhabitants)
60 Km NW of La Spezia (93959 inhabitants)
63 Km W of Parma (192836 inhabitants)
68 Km SW of Cremona (71901 inhabitants)
72 Km SE of Pavia (72576 inhabitants)
73 Km NW of Carrara (63133 inhabitants)
78 Km NW of Massa (69479 inhabitants)
83 Km E of Alessandria (93943 inhabitants)
84 Km W of Reggio nell'Emilia (171345 inhabitants)
94 Km E of Savona (61345 inhabitants)
97 Km SE of Vigevano (63310 inhabitants)
99 Km NW of Viareggio (62467 inhabitants)
100 Km SE of Milano (1345851 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 1985-11-12
08:14:11
44.615 9.58 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 15559
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-11-12 08:14:11 ± 0.208
Latitude 44.6150 ± 0.0125
Longitude 9.5800 ± 0.0196
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 15559

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) 2082.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 118
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.6
Epicentral distance of station closest to the epicenter (degree) 0.00154
Epicentral distance of station farthest from the epicenter (degree) 0.02210
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

Md:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 15559
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:18:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.PRO.Z. 1985-11-12T08:14:52.80 10.0 undecidable manual PN 105 2.4531 0.17 0.9
--.FIN.Z. 1985-11-12T08:14:49.10 10.0 undecidable manual SG 248 1.0545 0.25 0.6
--.BD1.Z. 1985-11-12T08:14:45.00 10.0 undecidable manual SG 127 0.9102 0.86 0.3
--.FIN.Z. 1985-11-12T08:14:32.70 10.0 undecidable manual PG 248 1.0545 -0.56 1.1
--.BD1.Z. 1985-11-12T08:14:31.50 10.0 undecidable manual PG 127 0.9102 0.96 0.6
--.VEA.Z. 1985-11-12T08:14:22.20 10.0 undecidable manual SG 5 0.2664 -0.53 0.6
--.CO9.Z. 1985-11-12T08:14:20.00 10.0 undecidable manual SG 328 0.1665 0.94 0.3
--.VEA.Z. 1985-11-12T08:14:17.50 10.0 undecidable manual PG 5 0.2664 -0.68 1.1
--.CO9.Z. 1985-11-12T08:14:16.50 10.0 undecidable manual PG 328 0.1665 0.44 1.6
--.BVT.Z. 1985-11-12T08:14:16.40 10.0 undecidable manual PG 130 0.2109 -0.54 2.8
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download