Earthquake with magnitude of Md 2.5 on date 13-08-1985 and time 02:37:29 (UTC) in region 5 km W Bardi (PR)

A magnitude Md 2.5 earthquake occured in region: 5 km W Bardi (PR), on

  • 13-08-1985 02:37:29 (UTC)
  • 13-08-1985 04:37:29 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.6320, 9.6660 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
Bardi PR 5 2227 2227
Morfasso PC 11 1024 3251
Farini PC 12 1290 4541
Ferriere PC 13 1294 5835
Bore PR 14 749 6584
Bedonia PR 14 3482 10066
Varsi PR 15 1230 11296
Compiano PR 15 1112 12408
Tornolo PR 17 1010 13418
Bettola PC 17 2828 16246
Borgo Val di Taro PR 18 6999 23245
Valmozzola PR 19 539 23784
Santo Stefano d'Aveto GE 19 1126 24910

Municipalities with at least 50000 inhabitants

An earthquake occurred to
47 Km S of Piacenza (102191 inhabitants)
56 Km W of Parma (192836 inhabitants)
60 Km N of La Spezia (93959 inhabitants)
63 Km SW of Cremona (71901 inhabitants)
63 Km E of Genova (586655 inhabitants)
71 Km NW of Carrara (63133 inhabitants)
73 Km SE of Pavia (72576 inhabitants)
76 Km NW of Massa (69479 inhabitants)
77 Km W of Reggio nell'Emilia (171345 inhabitants)
89 Km E of Alessandria (93943 inhabitants)
97 Km NW of Viareggio (62467 inhabitants)
98 Km W of Carpi (70699 inhabitants)
99 Km SE of Vigevano (63310 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 2.5 1985-08-13
02:37:29
44.632 9.666 4 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 11659
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-08-13 02:37:29 ± 0.313
Latitude 44.6320 ± 0.0192
Longitude 9.6660 ± 0.0342
Depth (km) 4 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 11659

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) 3450.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 110
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 13
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) 0.00170
Epicentral distance of station farthest from the epicenter (degree) 0.01781
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 11659
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:15:02
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.ROB.Z. 1985-08-13T02:38:11.50 10.0 undecidable manual SN 256 1.3098 -1.23 0.2
--.PS9.Z. 1985-08-13T02:38:06.00 10.0 undecidable manual SN 145 1.0989 -1.45 0.1
--.CTI.Z. 1985-08-13T02:38:03.00 10.0 undecidable manual PN 43 1.9758 -0.45 0.8
--.BD1.Z. 1985-08-13T02:38:02.00 10.0 undecidable manual SG 130 0.8769 1.63 0.1
--.ROB.Z. 1985-08-13T02:37:55.00 10.0 positive manual PN 256 1.3098 0.69 0.9
--.BG1.Z. 1985-08-13T02:37:52.00 10.0 undecidable manual PN 1 1.1433 0.1 1.4
--.PS9.Z. 1985-08-13T02:37:50.00 10.0 undecidable manual PN 145 1.0989 -1.26 0.4
--.CK1.Z. 1985-08-13T02:37:50.50 10.0 undecidable manual PG 258 1.0101 0.83 0.9
--.BD1.Z. 1985-08-13T02:37:48.80 10.0 undecidable manual PG 130 0.8769 1.63 0.2
--.PCN.Z. 1985-08-13T02:37:38.50 10.0 undecidable manual PG 0 0.4107 0.04 3.1
--.CO9.Z. 1985-08-13T02:37:37.00 10.0 undecidable manual SG 311 0.1998 -0.15 0.6
--.CO9.Z. 1985-08-13T02:37:33.50 10.0 undecidable manual PG 311 0.1998 -0.26 1.5
--.BVT.Z. 1985-08-13T02:37:33.00 10.0 positive manual PG 145 0.1887 -0.44 2.7
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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