Earthquake with magnitude of M 1.9 on date 19-01-1987 and time 22:44:17 (Italy) in region 3 km W Moiola (CN)

A magnitude M 1.9 earthquake occured in region: 3 km W Moiola (CN), on

  • 19-01-1987 21:44:17 (UTC)
  • 19-01-1987 22:44:17 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.3120, 7.3590 at 14 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
Moiola CN 3 234 234
Valloriate CN 3 109 343
Gaiola CN 5 582 925
Valdieri CN 5 935 1860
Demonte CN 5 2003 3863
Rittana CN 6 109 3972
Roccasparvera CN 8 741 4713
Entracque CN 8 774 5487
Roaschia CN 9 107 5594
Roccavione CN 10 2761 8355
Vignolo CN 10 2600 10955
Borgo San Dalmazzo CN 11 12468 23423
Bernezzo CN 11 4104 27527
Aisone CN 11 248 27775
Valgrana CN 11 786 28561
Monterosso Grana CN 11 505 29066
Cervasca CN 12 5013 34079
Robilante CN 12 2306 36385
Caraglio CN 13 6836 43221
Pradleves CN 13 250 43471
Montemale di Cuneo CN 14 241 43712
Vinadio CN 15 644 44356
Boves CN 16 9835 54191
Vernante CN 16 1178 55369
Castelmagno CN 16 66 55435
Dronero CN 17 7035 62470
Cuneo CN 18 56081 118551
Roccabruna CN 18 1585 120136
Villar San Costanzo CN 19 1547 121683
Cartignano CN 19 190 121873

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km SW of Cuneo (56081 inhabitants)
64 Km NW of Sanremo (54807 inhabitants)
81 Km SW of Moncalieri (57294 inhabitants)
89 Km SW of Torino (890529 inhabitants)
89 Km W of Savona (61345 inhabitants)
94 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 1.9 1987-01-19
21:44:17
44.312 7.359 14 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 39499
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1987-01-19 21:44:17 ± 0.235
Latitude 44.3120 ± 0.0163
Longitude 7.3590 ± 0.0177
Depth (km) 14 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 39499

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) 2298.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 134
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 15
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) 0.00057
Epicentral distance of station farthest from the epicenter (degree) 0.00818
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

M:1.9

Field Value
Value 1.9
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 39499
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
--.FIN.Z. 1987-01-19T21:44:38.20 10.0 undecidable manual SG 99 0.6105 -0.91 0.1
--.IMP.Z. 1987-01-19T21:44:36.10 10.0 undecidable manual SG 135 0.5439 -0.9 0.1
--.FRF.Z. 1987-01-19T21:44:35.00 10.0 undecidable manual PG 214 0.9102 -0.33 0.8
--.SBF.Z. 1987-01-19T21:44:33.10 10.0 undecidable manual SG 172 0.444 -0.75 0.1
--.ROB.Z. 1987-01-19T21:44:31.10 10.0 undecidable manual SG 91 0.3552 -0.08 0.7
--.IMP.Z. 1987-01-19T21:44:29.00 10.0 undecidable manual PG 135 0.5439 0.3 1.1
--.FIN.Z. 1987-01-19T21:44:29.90 10.0 undecidable manual PG 99 0.6105 -0.03 1.3
--.SBF.Z. 1987-01-19T21:44:27.60 10.0 undecidable manual PG 172 0.444 0.71 0.4
--.SOO.Z. 1987-01-19T21:44:27.20 10.0 undecidable manual SG 316 0.2553 -0.75 0.1
--.ROB.Z. 1987-01-19T21:44:25.90 10.0 undecidable manual PG 91 0.3552 0.55 0.7
--.SOO.Z. 1987-01-19T21:44:23.40 10.0 undecidable manual PG 316 0.2553 -0.09 1.7
--.ENR.Z. 1987-01-19T21:44:22.70 10.0 undecidable manual SG 152 0.0888 -0.4 0.7
--.STV.Z. 1987-01-19T21:44:22.40 10.0 undecidable manual SG 198 0.0666 -0.06 1
--.STV.Z. 1987-01-19T21:44:20.60 10.0 undecidable manual PG 198 0.0666 0.29 2.7
--.ENR.Z. 1987-01-19T21:44:20.70 10.0 undecidable manual PG 152 0.0888 0.02 3.5
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