Earthquake with magnitude of M 1.5 on date 02-09-1990 and time 15:12:46 (UTC) in region W Valloriate (CN)

A magnitude M 1.5 earthquake occured in region: W Valloriate (CN), on

  • 02-09-1990 15:12:46 (UTC)
  • 02-09-1990 17:12:46 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.3400, 7.3710 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
Valloriate CN 0 109 109
Moiola CN 3 234 343
Rittana CN 3 109 452
Gaiola CN 3 582 1034
Roccasparvera CN 6 741 1775
Demonte CN 6 2003 3778
Valdieri CN 7 935 4713
Bernezzo CN 8 4104 8817
Valgrana CN 8 786 9603
Vignolo CN 8 2600 12203
Monterosso Grana CN 9 505 12708
Cervasca CN 9 5013 17721
Roccavione CN 9 2761 20482
Borgo San Dalmazzo CN 9 12468 32950
Caraglio CN 10 6836 39786
Roaschia CN 10 107 39893
Montemale di Cuneo CN 11 241 40134
Entracque CN 11 774 40908
Pradleves CN 11 250 41158
Aisone CN 12 248 41406
Robilante CN 12 2306 43712
Dronero CN 14 7035 50747
Boves CN 15 9835 60582
Castelmagno CN 15 66 60648
Roccabruna CN 15 1585 62233
Cuneo CN 16 56081 118314
Vinadio CN 16 644 118958
Villar San Costanzo CN 16 1547 120505
Vernante CN 17 1178 121683
Cartignano CN 17 190 121873
San Damiano Macra CN 19 430 122303
Peveragno CN 20 5543 127846

Municipalities with at least 50000 inhabitants

An earthquake occurred to
16 Km W of Cuneo (56081 inhabitants)
66 Km NW of Sanremo (54807 inhabitants)
78 Km SW of Moncalieri (57294 inhabitants)
85 Km SW of Torino (890529 inhabitants)
89 Km W of Savona (61345 inhabitants)
91 Km SW of Asti (76202 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 1.5 1990-09-02
15:12:46
44.34 7.371 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 126079
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1990-09-02 15:12:46 ± 0.141
Latitude 44.3400 ± 0.0102
Longitude 7.3710 ± 0.0154
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 126079

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) 1673.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 145
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
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) 0.00081
Epicentral distance of station farthest from the epicenter (degree) 0.00324
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitude information

M:1.5

Field Value
Value 1.5
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 126079
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
--.ROB.Z. 1990-09-02T15:12:59.14 10.0 undecidable manual SG 95 0.3552 -0.51 0.2
--.PZZ.Z. 1990-09-02T15:12:55.90 10.0 undecidable manual SG 310 0.2553 -0.3 0.5
--.ROB.Z. 1990-09-02T15:12:54.20 10.0 undecidable manual PG 95 0.3552 0.25 1.3
--.PZZ.Z. 1990-09-02T15:12:51.90 10.0 undecidable manual PG 310 0.2553 -0.05 2.1
--.ENR.Z. 1990-09-02T15:12:51.30 10.0 undecidable manual SG 162 0.1221 -0.58 0.2
--.STV.Z. 1990-09-02T15:12:50.73 10.0 undecidable manual SG 198 0.0888 -0.41 0.4
--.STV.Z. 1990-09-02T15:12:49.40 10.0 undecidable manual PG 198 0.0888 0.37 1.2
--.ENR.Z. 1990-09-02T15:12:49.60 10.0 undecidable manual PG 162 0.1221 0.14 2.1
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download