Earthquake with magnitude of Md 2.2 on date 15-10-1988 and time 12:26:30 (UTC) in region 2 km N Aisone (CN)

A magnitude Md 2.2 earthquake occured in region: 2 km N Aisone (CN), on

  • 15-10-1988 12:26:30 (UTC)
  • 15-10-1988 13:26:30 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.3300, 7.2240 at 16 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 2 248 248
Vinadio CN 5 644 892
Demonte CN 6 2003 2895
Castelmagno CN 9 66 2961
Pradleves CN 11 250 3211
Sambuco CN 12 92 3303
Monterosso Grana CN 12 505 3808
Valloriate CN 12 109 3917
Moiola CN 13 234 4151
Rittana CN 14 109 4260
Gaiola CN 15 582 4842
Valdieri CN 15 935 5777
Pietraporzio CN 15 77 5854
Valgrana CN 15 786 6640
Entracque CN 17 774 7414
Montemale di Cuneo CN 17 241 7655
Cartignano CN 17 190 7845
Roccasparvera CN 17 741 8586
Celle di Macra CN 17 100 8686
Marmora CN 18 68 8754
San Damiano Macra CN 18 430 9184
Canosio CN 18 80 9264
Bernezzo CN 18 4104 13368
Roccabruna CN 19 1585 14953
Dronero CN 19 7035 21988
Caraglio CN 19 6836 28824
Macra CN 19 59 28883
Roaschia CN 20 107 28990
Vignolo CN 20 2600 31590

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km W of Cuneo (56081 inhabitants)
72 Km NW of Sanremo (54807 inhabitants)
83 Km SW of Moncalieri (57294 inhabitants)
90 Km SW 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
Md 2.2 1988-10-15
12:26:30
44.33 7.224 15 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 78749
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1988-10-15 12:26:30 ± 0.852
Latitude 44.3300 ± 0.0369
Longitude 7.2240 ± 0.0750
Depth (km) 15 ± 6 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 78749

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) 7240.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 197
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 9
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) 0.00097
Epicentral distance of station farthest from the epicenter (degree) 0.00567
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

Md:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 78749
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:14:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.IMP.Z. 1988-10-15T12:26:52.60 10.0 undecidable manual SG 130 0.6327 -0.7 0.3
--.IMP.Z. 1988-10-15T12:26:42.80 10.0 undecidable manual PG 130 0.6327 -1.07 0.3
--.ROB.Z. 1988-10-15T12:26:41.80 10.0 undecidable manual PG 93 0.4551 1.03 0.4
--.SOO.Z. 1988-10-15T12:26:39.50 10.0 undecidable manual SG 333 0.1887 -0.13 0.7
--.STV.Z. 1988-10-15T12:26:37.40 10.0 undecidable manual SG 136 0.111 0.02 0.7
--.DOI.Z. 1988-10-15T12:26:37.69 10.0 undecidable manual SG 4 0.1665 -1.32 0.1
--.SOO.Z. 1988-10-15T12:26:36.10 10.0 undecidable manual PG 333 0.1887 0.13 1.7
--.STV.Z. 1988-10-15T12:26:35.20 10.0 undecidable manual PG 136 0.111 0.52 1.3
--.DOI.Z. 1988-10-15T12:26:35.67 10.0 negative manual PG 4 0.1665 0.05 3.5
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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