Earthquake with magnitude of Md 2.5 on date 10-04-1985 and time 07:25:38 (UTC) in region 4 km NE Cartignano (CN)

A magnitude Md 2.5 earthquake occured in region: 4 km NE Cartignano (CN), on

  • 10-04-1985 07:25:38 (UTC)
  • 10-04-1985 09:25:38 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.51, 7.31 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
Cartignano CN 4 190 190
Roccabruna CN 4 1585 1775
San Damiano Macra CN 4 430 2205
Valmala CN 5 52 2257
Melle CN 6 292 2549
Dronero CN 6 7035 9584
Villar San Costanzo CN 7 1547 11131
Frassino CN 8 265 11396
Brossasco CN 8 1084 12480
Montemale di Cuneo CN 9 241 12721
Venasca CN 9 1437 14158
Pradleves CN 10 250 14408
Macra CN 10 59 14467
Celle di Macra CN 10 100 14567
Isasca CN 11 76 14643
Rossana CN 11 908 15551
Monterosso Grana CN 11 505 16056
Valgrana CN 12 786 16842
Sampeyre CN 12 1022 17864
Brondello CN 13 290 18154
Castelmagno CN 13 66 18220
Busca CN 13 10181 28401
Piasco CN 14 2774 31175
Caraglio CN 14 6836 38011
Gambasca CN 14 371 38382
Martiniana Po CN 14 734 39116
Stroppo CN 14 103 39219
Pagno CN 15 585 39804
Sanfront CN 16 2395 42199
Costigliole Saluzzo CN 16 3375 45574
Rifreddo CN 16 1078 46652
Castellar CN 16 295 46947
Bernezzo CN 17 4104 51051
Verzuolo CN 17 6459 57510
Elva CN 18 97 57607
Marmora CN 18 68 57675
Revello CN 18 4262 61937
Manta CN 19 3787 65724
Canosio CN 19 80 65804
Cervasca CN 19 5013 70817
Villafalletto CN 19 2925 73742
Tarantasca CN 19 2122 75864
Rittana CN 19 109 75973
Valloriate CN 20 109 76082
Paesana CN 20 2784 78866

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km NW of Cuneo (56081 inhabitants)
63 Km SW of Moncalieri (57294 inhabitants)
70 Km SW of Torino (890529 inhabitants)
83 Km SW of Asti (76202 inhabitants)
85 Km NW of Sanremo (54807 inhabitants)
96 Km W 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 2.5 1985-04-10
07:25:38
44.51 7.31 8 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 4459
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-04-10 07:25:38 ± 0.703
Latitude 44.51 ± 0.03
Longitude 7.31 ± 0.03
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 4459

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) 4127.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 261
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
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) 0.00227
Epicentral distance of station farthest from the epicenter (degree) 0.01174
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 4459
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:09:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.LMR.Z. 1985-04-10T07:26:21.40 10.0 undecidable manual SN 206 0.0117 0.55 0.4
--.LRG.Z. 1985-04-10T07:26:20.00 10.0 undecidable manual SN 213 0.0113 0.4 0.5
--.FRF.Z. 1985-04-10T07:26:13.20 10.0 undecidable manual SN 206 0.0095 -1.77 0
--.IMP.Z. 1985-04-10T07:26:04.00 10.0 undecidable manual SG 144 0.0065 -0.36 0.6
--.FIN.Z. 1985-04-10T07:26:03.00 10.0 undecidable manual SG 114 0.0064 -0.9 0.2
--.LMR.Z. 1985-04-10T07:26:03.60 10.0 undecidable manual PN 206 0.0117 0.5 1
--.LRG.Z. 1985-04-10T07:26:02.60 10.0 undecidable manual PN 213 0.0113 0.23 1.3
--.FRF.Z. 1985-04-10T07:25:59.40 10.0 undecidable manual PN 206 0.0095 -0.3 1.4
--.ROB.Z. 1985-04-10T07:25:57.00 10.0 undecidable manual SG 116 0.004 1.35 0
--.IMP.Z. 1985-04-10T07:25:54.20 10.0 undecidable manual PG 144 0.0065 0.63 1
--.FIN.Z. 1985-04-10T07:25:53.10 10.0 undecidable manual PG 114 0.0064 -0.21 1.7
--.STV.Z. 1985-04-10T07:25:49.40 10.0 undecidable manual SG 176 0.0023 0.26 1
--.ROB.Z. 1985-04-10T07:25:48.20 10.0 undecidable manual PG 116 0.004 -0.34 1.5
--.STV.Z. 1985-04-10T07:25:44.60 10.0 positive manual PG 176 0.0023 -0.19 3.4
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
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