Earthquake with magnitude of Md 2.4 on date 25-06-1985 and time 02:45:36 (UTC) in region 4 km W Bardi (PR)

A magnitude Md 2.4 earthquake occured in region: 4 km W Bardi (PR), on

  • 25-06-1985 02:45:36 (UTC)
  • 25-06-1985 04:45:36 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.6240, 9.6840 at 8 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 4 2227 2227
Morfasso PC 11 1024 3251
Farini PC 13 1290 4541
Varsi PR 14 1230 5771
Bore PR 14 749 6520
Bedonia PR 14 3482 10002
Compiano PR 14 1112 11114
Ferriere PC 15 1294 12408
Tornolo PR 16 1010 13418
Borgo Val di Taro PR 16 6999 20417
Valmozzola PR 17 539 20956
Bettola PC 18 2828 23784
Albareto PR 20 2156 25940

Municipalities with at least 50000 inhabitants

An earthquake occurred to
48 Km S of Piacenza (102191 inhabitants)
55 Km W of Parma (192836 inhabitants)
59 Km N of La Spezia (93959 inhabitants)
63 Km SW of Cremona (71901 inhabitants)
64 Km E of Genova (586655 inhabitants)
69 Km NW of Carrara (63133 inhabitants)
75 Km NW of Massa (69479 inhabitants)
75 Km SE of Pavia (72576 inhabitants)
75 Km W of Reggio nell'Emilia (171345 inhabitants)
90 Km E of Alessandria (93943 inhabitants)
95 Km NW of Viareggio (62467 inhabitants)
97 Km W of Carpi (70699 inhabitants)
98 Km W of Modena (184973 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 2.4 1985-06-25
02:45:36
44.624 9.684 8 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 9149
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-06-25 02:45:36 ± 0.226
Latitude 44.6240 ± 0.0127
Longitude 9.6840 ± 0.0272
Depth (km) 8 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 9149

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) 2578.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 149
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00154
Epicentral distance of station farthest from the epicenter (degree) 0.01311
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:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 9149
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:13:00
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.IMP.Z. 1985-06-25T02:46:21.50 10.0 undecidable manual SN 241 1.4541 -0.68 0.2
--.FIN.Z. 1985-06-25T02:46:13.00 10.0 undecidable manual SN 249 1.1211 -1.31 0.1
--.IMP.Z. 1985-06-25T02:46:04.00 10.0 undecidable manual PN 241 1.4541 1.16 0.2
--.FIN.Z. 1985-06-25T02:45:58.50 10.0 undecidable manual PN 249 1.1211 0.21 1.3
--.VEA.Z. 1985-06-25T02:45:47.00 10.0 undecidable manual SG 350 0.2553 -0.17 0.7
--.PCN.Z. 1985-06-25T02:45:46.00 10.0 undecidable manual PG 358 0.4218 0.39 3.1
--.CO9.Z. 1985-06-25T02:45:45.50 10.0 undecidable manual SG 310 0.2109 0.14 0.7
--.BVT.Z. 1985-06-25T02:45:44.10 10.0 undecidable manual SG 148 0.1665 0.33 0.6
--.VEA.Z. 1985-06-25T02:45:41.90 10.0 undecidable manual PG 350 0.2553 -0.72 1
--.CO9.Z. 1985-06-25T02:45:41.50 10.0 undecidable manual PG 310 0.2109 -0.08 1.9
--.BVT.Z. 1985-06-25T02:45:40.10 10.0 undecidable manual PG 148 0.1665 -0.56 1.2
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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