Earthquake with magnitude of Md 3.2 on date 21-07-1985 and time 09:04:26 (UTC) in region 8 km N Bedonia (PR)

A magnitude Md 3.2 earthquake occured in region: 8 km N Bedonia (PR), on

  • 21-07-1985 09:04:26 (UTC)
  • 21-07-1985 11:04:26 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.58, 9.65 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
Bedonia PR 8 3482 3482
Compiano PR 9 1112 4594
Bardi PR 9 2227 6821
Tornolo PR 10 1010 7831
Borgo Val di Taro PR 14 6999 14830
Ferriere PC 14 1294 16124
Albareto PR 15 2156 18280
Santo Stefano d'Aveto GE 16 1126 19406
Farini PC 17 1290 20696
Morfasso PC 17 1024 21720
Varsi PR 19 1230 22950
Valmozzola PR 19 539 23489
Bore PR 20 749 24238

Municipalities with at least 50000 inhabitants

An earthquake occurred to
53 Km S of Piacenza (102191 inhabitants)
54 Km N of La Spezia (93959 inhabitants)
59 Km E of Genova (586655 inhabitants)
60 Km W of Parma (192836 inhabitants)
66 Km NW of Carrara (63133 inhabitants)
69 Km SW of Cremona (71901 inhabitants)
72 Km NW of Massa (69479 inhabitants)
78 Km SE of Pavia (72576 inhabitants)
79 Km W of Reggio nell'Emilia (171345 inhabitants)
90 Km E of Alessandria (93943 inhabitants)
92 Km NW of Viareggio (62467 inhabitants)
97 Km E of Savona (61345 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
Rev 1000 Md 3.2 1985-07-21
09:04:26
44.58 9.65 5 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 10539
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-07-21 09:04:26 ± 0.406
Latitude 44.58 ± 0.02
Longitude 9.65 ± 0.02
Depth (km) 5 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 10539

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) 2172.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 109
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 25
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) 0.00138
Epicentral distance of station farthest from the epicenter (degree) 0.02801
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitude information

Md:3.2

Field Value
Value 3.2
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 10539
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:14:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.CTI.Z. 1985-07-21T09:05:25.00 10.0 undecidable manual SN 43 0.0183 -1.75 0.1
--.CH1.Z. 1985-07-21T09:05:23.00 10.0 undecidable manual SN 119 0.0171 -0.62 0.6
--.PO9.Z. 1985-07-21T09:05:17.00 10.0 undecidable manual PN 128 0.028 0.89 0.6
--.FIR.N. 1985-07-21T09:05:13.00 10.0 undecidable manual SN 124 0.0126 1.27 0.2
--.VAI.Z. 1985-07-21T09:05:12.00 10.0 undecidable manual SN 334 0.0128 -0.32 0.6
--.AR1.Z. 1985-07-21T09:05:11.00 10.0 undecidable manual PN 113 0.0234 1.92 0.1
--.ROB.Z. 1985-07-21T09:05:09.10 10.0 undecidable manual SN 258 0.0116 -0.02 0.7
--.BG1.Z. 1985-07-21T09:05:08.00 10.0 undecidable manual SN 2 0.0108 1.11 0.2
--.PS9.Z. 1985-07-21T09:05:03.50 10.0 undecidable manual SG 143 0.0096 0.04 0.7
--.CTI.Z. 1985-07-21T09:05:02.00 10.0 positive manual PN 43 0.0183 0.68 2
--.CK1.Z. 1985-07-21T09:05:01.00 10.0 undecidable manual SG 261 0.0088 -0.08 0.7
--.CH1.Z. 1985-07-21T09:05:01.00 10.0 undecidable manual PN 119 0.0171 1.49 0.3
--.STV.Z. 1985-07-21T09:04:56.50 10.0 undecidable manual PN 259 0.0151 0 1.5
--.BD1.Z. 1985-07-21T09:04:55.50 10.0 undecidable manual SG 126 0.0076 -1.24 0.2
--.FIR.Z. 1985-07-21T09:04:53.00 10.0 undecidable manual PN 124 0.0126 0.35 1.6
--.VAI.Z. 1985-07-21T09:04:53.00 10.0 undecidable manual PN 334 0.0128 0.01 1.7
--.ROB.Z. 1985-07-21T09:04:50.70 10.0 undecidable manual PN 258 0.0116 -0.44 1.5
--.BG1.Z. 1985-07-21T09:04:49.00 10.0 undecidable manual PN 2 0.0108 -0.85 1
--.PS9.Z. 1985-07-21T09:04:47.00 10.0 undecidable manual PG 143 0.0096 -0.87 0.9
--.CK1.Z. 1985-07-21T09:04:47.00 10.0 undecidable manual PG 261 0.0088 0.5 1.5
--.GEN.Z. 1985-07-21T09:04:45.90 10.0 undecidable manual SG 253 0.0047 -0.45 0.9
--.BD1.Z. 1985-07-21T09:04:43.00 10.0 undecidable manual PG 126 0.0076 -0.99 0.7
--.GEN.Z. 1985-07-21T09:04:38.20 10.0 positive manual PG 253 0.0047 0.21 3.4
--.PCN.Z. 1985-07-21T09:04:36.50 10.0 undecidable manual PG 1 0.0042 -0.48 1.4
--.BVT.Z. 1985-07-21T09:04:30.20 10.0 undecidable manual PG 130 0.0014 -0.06 1.6
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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