Earthquake with magnitude of Md 1.8 on date 08-03-1986 and time 08:53:03 (Italy) in region 3 km W Sampeyre (CN)

A magnitude Md 1.8 earthquake occured in region: 3 km W Sampeyre (CN), on

  • 08-03-1986 07:53:03 (UTC)
  • 08-03-1986 08:53:03 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.58, 7.16 at 17 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
Sampeyre CN 3 1022 1022
Casteldelfino CN 7 157 1179
Elva CN 7 97 1276
Stroppo CN 9 103 1379
Macra CN 9 59 1438
Frassino CN 10 265 1703
Oncino CN 11 76 1779
Pontechianale CN 11 179 1958
Bellino CN 11 109 2067
Celle di Macra CN 11 100 2167
Ostana CN 12 83 2250
Crissolo CN 13 168 2418
San Damiano Macra CN 13 430 2848
Melle CN 13 292 3140
Prazzo CN 14 170 3310
Sanfront CN 15 2395 5705
Paesana CN 15 2784 8489
Marmora CN 15 68 8557
Canosio CN 15 80 8637
Valmala CN 16 52 8689
Cartignano CN 16 190 8879
Gambasca CN 16 371 9250
Brossasco CN 16 1084 10334
Rifreddo CN 17 1078 11412
Martiniana Po CN 17 734 12146
Acceglio CN 18 162 12308
Isasca CN 18 76 12384
Roccabruna CN 19 1585 13969
Venasca CN 19 1437 15406
Brondello CN 20 290 15696
Castelmagno CN 20 66 15762

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km NW of Cuneo (56081 inhabitants)
62 Km SW of Moncalieri (57294 inhabitants)
68 Km SW of Torino (890529 inhabitants)
90 Km W of Asti (76202 inhabitants)
98 Km NW of Sanremo (54807 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 1.8 1986-03-08
07:53:03
44.58 7.16 17 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 23799
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-03-08 07:53:03 ± 0.28
Latitude 44.58 ± 0.02
Longitude 7.16 ± 0.04
Depth (km) 17 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 23799

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) 3745.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 156
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00073
Epicentral distance of station farthest from the epicenter (degree) 0.00518
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:1.8

Field Value
Value 1.8
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 23799
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:25:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.ENR.Z. 1986-03-08T07:53:17.60 10.0 undecidable manual SG 152 0.0036 -0.72 0.2
--.STV.Z. 1986-03-08T07:53:16.70 10.0 undecidable manual SG 159 0.0032 -0.08 0.8
--.ROB.Z. 1986-03-08T07:53:15.80 10.0 undecidable manual PG 118 0.0052 0.58 0.5
--.RRL.Z. 1986-03-08T07:53:12.00 10.0 undecidable manual PG 321 0.0038 -0.38 1.1
--.STV.Z. 1986-03-08T07:53:11.10 10.0 undecidable manual PG 159 0.0032 0.05 1.9
--.ENR.Z. 1986-03-08T07:53:11.70 10.0 undecidable manual PG 152 0.0036 -0.24 1.5
--.DA9.Z. 1986-03-08T07:53:09.00 10.0 undecidable manual SG 142 0.0009 -0.78 0.1
--.SOO.Z. 1986-03-08T07:53:09.80 10.0 undecidable manual SG 206 0.0007 0.27 0.7
--.SOO.Z. 1986-03-08T07:53:07.40 10.0 undecidable manual PG 206 0.0007 0.53 0.9
--.DA9.Z. 1986-03-08T07:53:07.00 10.0 undecidable manual PG 142 0.0009 -0.01 2.2
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
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