Earthquake with magnitude of Md 1.9 on date 13-10-1988 and time 16:09:40 (Italy) in region 3 km N Aisone (CN)

A magnitude Md 1.9 earthquake occured in region: 3 km N Aisone (CN), on

  • 13-10-1988 15:09:40 (UTC)
  • 13-10-1988 16:09:40 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.3450, 7.2260 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
Aisone CN 3 248 248
Vinadio CN 6 644 892
Demonte CN 7 2003 2895
Castelmagno CN 7 66 2961
Pradleves CN 10 250 3211
Monterosso Grana CN 11 505 3716
Sambuco CN 12 92 3808
Valloriate CN 12 109 3917
Moiola CN 13 234 4151
Rittana CN 14 109 4260
Valgrana CN 14 786 5046
Gaiola CN 15 582 5628
Pietraporzio CN 15 77 5705
Valdieri CN 16 935 6640
Cartignano CN 16 190 6830
Montemale di Cuneo CN 16 241 7071
Celle di Macra CN 16 100 7171
San Damiano Macra CN 16 430 7601
Marmora CN 16 68 7669
Canosio CN 17 80 7749
Roccasparvera CN 17 741 8490
Roccabruna CN 17 1585 10075
Bernezzo CN 17 4104 14179
Dronero CN 18 7035 21214
Macra CN 18 59 21273
Entracque CN 18 774 22047
Caraglio CN 18 6836 28883
Stroppo CN 20 103 28986
Vignolo CN 20 2600 31586
Cervasca CN 20 5013 36599
Villar San Costanzo CN 20 1547 38146

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km W of Cuneo (56081 inhabitants)
73 Km NW of Sanremo (54807 inhabitants)
82 Km SW of Moncalieri (57294 inhabitants)
89 Km SW of Torino (890529 inhabitants)
99 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
Md 1.9
M 2.3
1988-10-13
15:09:40
44.345 7.226 8 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 78589
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1988-10-13 15:09:40 ± 0.323
Latitude 44.3450 ± 0.0159
Longitude 7.2260 ± 0.0344
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 78589

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) 3256.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 189
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 7
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) 0.00105
Epicentral distance of station farthest from the epicenter (degree) 0.00720
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitudes information

Md:1.9

Field Value
Value 1.9
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 78589
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:13:54

M:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 78589
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
--.RSP.Z. 1988-10-13T15:09:56.20 10.0 undecidable manual PG 1 0.7992 -0.85 0.3
--.FIN.Z. 1988-10-13T15:09:55.20 10.0 undecidable manual PG 100 0.7104 0 1.4
--.RRL.Z. 1988-10-13T15:09:54.41 10.0 undecidable manual PG 331 0.6438 0.34 1.1
--.ROB.Z. 1988-10-13T15:09:50.94 10.0 undecidable manual PG 95 0.4551 0.41 1.2
--.DOI.Z. 1988-10-13T15:09:47.00 10.0 undecidable manual SG 4 0.1554 -0.32 0.6
--.DOI.Z. 1988-10-13T15:09:45.00 10.0 undecidable manual PG 4 0.1554 0.52 1
--.STV.Z. 1988-10-13T15:09:43.30 10.0 undecidable manual PG 141 0.1221 -0.38 1.3
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