Earthquake with magnitude of Md 2.5 on date 05-07-1985 and time 19:42:32 (UTC) in region 9 km SE Ferriere (PC)

A magnitude Md 2.5 earthquake occured in region: 9 km SE Ferriere (PC), on

  • 05-07-1985 19:42:32 (UTC)
  • 05-07-1985 21:42:32 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.5980, 9.5960 at 11 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 9 1294 1294
Bedonia PR 11 3482 4776
Bardi PR 12 2227 7003
Compiano PR 12 1112 8115
Tornolo PR 13 1010 9125
Santo Stefano d'Aveto GE 13 1126 10251
Farini PC 13 1290 11541
Morfasso PC 16 1024 12565
Rezzoaglio GE 18 995 13560
Borgo Val di Taro PR 18 6999 20559
Albareto PR 19 2156 22715
Bettola PC 20 2828 25543

Municipalities with at least 50000 inhabitants

An earthquake occurred to
51 Km S of Piacenza (102191 inhabitants)
56 Km E of Genova (586655 inhabitants)
58 Km NW of La Spezia (93959 inhabitants)
62 Km W of Parma (192836 inhabitants)
69 Km SW of Cremona (71901 inhabitants)
70 Km NW of Carrara (63133 inhabitants)
74 Km SE of Pavia (72576 inhabitants)
76 Km NW of Massa (69479 inhabitants)
83 Km W of Reggio nell'Emilia (171345 inhabitants)
85 Km E of Alessandria (93943 inhabitants)
94 Km E of Savona (61345 inhabitants)
97 Km NW of Viareggio (62467 inhabitants)
99 Km SE of Vigevano (63310 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 2.5 1985-07-05
19:42:32
44.598 9.596 11 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 9609
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-07-05 19:42:32 ± 0.284
Latitude 44.5980 ± 0.0234
Longitude 9.5960 ± 0.0219
Depth (km) 11 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 9609

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) 3126.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 106
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.00178
Epicentral distance of station farthest from the epicenter (degree) 0.01748
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 9609
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:13:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.PS9.Z. 1985-07-05T19:43:08.00 10.0 undecidable manual SN 142 1.0989 -1.15 0.2
--.CH1.Z. 1985-07-05T19:43:07.20 10.0 undecidable manual PN 119 1.9425 1.81 0.1
--.BD1.Z. 1985-07-05T19:43:04.00 10.0 undecidable manual SG 126 0.888 0.59 0.5
--.VAI.Z. 1985-07-05T19:42:59.00 10.0 undecidable manual PN 335 1.3875 1.19 0.7
--.SAL.Z. 1985-07-05T19:42:55.00 10.0 undecidable manual PN 32 1.1988 -0.2 1.3
--.PS9.Z. 1985-07-05T19:42:53.00 10.0 undecidable manual PN 142 1.0989 -0.77 0.9
--.CK1.Z. 1985-07-05T19:42:51.80 10.0 undecidable manual PG 259 0.9546 0.2 1.7
--.BD1.Z. 1985-07-05T19:42:50.50 10.0 undecidable manual PG 126 0.888 0.04 1.7
--.GEN.Z. 1985-07-05T19:42:50.90 10.0 undecidable manual SG 249 0.4995 0.12 0.7
--.GEN.Z. 1985-07-05T19:42:42.80 10.0 undecidable manual PG 249 0.4995 -0.38 1.5
--.PCN.Z. 1985-07-05T19:42:41.50 10.0 undecidable manual PG 6 0.444 -0.81 0.9
--.BVT.Z. 1985-07-05T19:42:37.70 10.0 undecidable manual PG 128 0.1998 0.09 1.7
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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