Earthquake with magnitude of M 1.9 on date 15-09-1986 and time 02:42:44 (Italy) in region 1 km SE Boves (CN)

A magnitude M 1.9 earthquake occured in region: 1 km SE Boves (CN), on

  • 15-09-1986 00:42:44 (UTC)
  • 15-09-1986 02:42:44 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.3210, 7.5640 at 10 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
Boves CN 1 9835 9835
Peveragno CN 5 5543 15378
Robilante CN 5 2306 17684
Borgo San Dalmazzo CN 6 12468 30152
Roccavione CN 7 2761 32913
Cuneo CN 8 56081 88994
Beinette CN 8 3423 92417
Vernante CN 9 1178 93595
Vignolo CN 9 2600 96195
Chiusa di Pesio CN 9 3676 99871
Roccasparvera CN 10 741 100612
Roaschia CN 10 107 100719
Cervasca CN 10 5013 105732
Gaiola CN 13 582 106314
Bernezzo CN 13 4104 110418
Pianfei CN 13 2202 112620
Limone Piemonte CN 13 1485 114105
Rittana CN 13 109 114214
Margarita CN 14 1441 115655
Moiola CN 14 234 115889
Valdieri CN 14 935 116824
Roccaforte Mondovì CN 15 2085 118909
Castelletto Stura CN 15 1351 120260
Valloriate CN 15 109 120369
Caraglio CN 15 6836 127205
Entracque CN 16 774 127979
Villanova Mondovì CN 16 5792 133771
Morozzo CN 16 2086 135857
Valgrana CN 18 786 136643
Montanera CN 18 760 137403
Frabosa Sottana CN 19 1497 138900
Rocca de' Baldi CN 19 1662 140562
Tarantasca CN 19 2122 142684
Frabosa Soprana CN 20 759 143443

Municipalities with at least 50000 inhabitants

An earthquake occurred to
8 Km S of Cuneo (56081 inhabitants)
58 Km NW of Sanremo (54807 inhabitants)
73 Km W of Savona (61345 inhabitants)
76 Km S of Moncalieri (57294 inhabitants)
82 Km SW of Asti (76202 inhabitants)
84 Km S of Torino (890529 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
M 1.9 1986-09-15
00:42:44
44.321 7.564 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 34099
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-09-15 00:42:44 ± 0.203
Latitude 44.3210 ± 0.0199
Longitude 7.5640 ± 0.0123
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 34099

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) 2420.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 155
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
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) 0.00121
Epicentral distance of station farthest from the epicenter (degree) 0.00421
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

M:1.9

Field Value
Value 1.9
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 34099
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 09:48:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.IMP.Z. 1986-09-15T00:43:01.10 10.0 undecidable manual SG 149 0.4551 -0.31 0.3
--.FIN.Z. 1986-09-15T00:43:00.40 10.0 undecidable manual SG 103 0.4662 -1.24 0
--.SOO.Z. 1986-09-15T00:42:57.90 10.0 undecidable manual SG 299 0.3774 -0.65 0.2
--.IMP.Z. 1986-09-15T00:42:55.20 10.0 undecidable manual PG 149 0.4551 0.95 0.1
--.FIN.Z. 1986-09-15T00:42:54.20 10.0 undecidable manual PG 103 0.4662 -0.19 1
--.ROB.Z. 1986-09-15T00:42:53.10 10.0 undecidable manual SG 94 0.2109 -0.41 0.5
--.SOO.Z. 1986-09-15T00:42:52.80 10.0 undecidable manual PG 299 0.3774 0.2 1.1
--.STV.Z. 1986-09-15T00:42:51.90 10.0 undecidable manual SG 247 0.1776 -0.33 0.6
--.ENR.Z. 1986-09-15T00:42:50.30 10.0 undecidable manual SG 227 0.1332 -0.58 0.3
--.ROB.Z. 1986-09-15T00:42:49.90 10.0 undecidable manual PG 94 0.2109 0.21 2.5
--.STV.Z. 1986-09-15T00:42:49.20 10.0 undecidable manual PG 247 0.1776 0.24 2.4
--.ENR.Z. 1986-09-15T00:42:48.10 10.0 undecidable manual PG 227 0.1332 -0.08 2.7
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download