Earthquake with magnitude of Md 2.4 on date 30-12-1990 and time 01:12:14 (UTC) in region 3 km SW Demonte (CN)

A magnitude Md 2.4 earthquake occured in region: 3 km SW Demonte (CN), on

  • 30-12-1990 01:12:14 (UTC)
  • 30-12-1990 02:12:14 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.2890, 7.2780 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
Demonte CN 3 2003 2003
Aisone CN 5 248 2251
Vinadio CN 8 644 2895
Valdieri CN 10 935 3830
Moiola CN 10 234 4064
Valloriate CN 10 109 4173
Entracque CN 11 774 4947
Gaiola CN 12 582 5529
Rittana CN 12 109 5638
Monterosso Grana CN 14 505 6143
Roaschia CN 14 107 6250
Castelmagno CN 14 66 6316
Roccasparvera CN 14 741 7057
Pradleves CN 15 250 7307
Valgrana CN 16 786 8093
Roccavione CN 17 2761 10854
Bernezzo CN 17 4104 14958
Sambuco CN 17 92 15050
Vignolo CN 17 2600 17650
Borgo San Dalmazzo CN 17 12468 30118
Montemale di Cuneo CN 18 241 30359
Cervasca CN 19 5013 35372
Caraglio CN 19 6836 42208
Robilante CN 19 2306 44514

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km W of Cuneo (56081 inhabitants)
66 Km NW of Sanremo (54807 inhabitants)
86 Km SW of Moncalieri (57294 inhabitants)
93 Km SW of Torino (890529 inhabitants)
96 Km W of Savona (61345 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 2.4
M 2.4
1990-12-30
01:12:14
44.289 7.278 10 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 133229
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1990-12-30 01:12:14 ± 0.207
Latitude 44.2890 ± 0.0107
Longitude 7.2780 ± 0.0150
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 133229

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) 1686.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 111
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 28
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) 0.00040
Epicentral distance of station farthest from the epicenter (degree) 0.01149
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitudes information

Md:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 133229
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:04:09

M:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 133229
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
--.LPG.Z. 1990-12-30T01:12:55.19 10.0 undecidable manual SN 343 1.2543 -0.09 0.5
--.LRG.Z. 1990-12-30T01:12:50.00 10.0 undecidable manual SN 218 1.0656 -0.53 0.4
--.LMR.Z. 1990-12-30T01:12:50.60 10.0 undecidable manual SN 210 1.0989 -0.88 0.2
--.FRF.Z. 1990-12-30T01:12:42.60 10.0 undecidable manual SG 212 0.8547 -1.59 0
--.CKI.Z. 1990-12-30T01:12:40.50 10.0 undecidable manual SG 79 0.7215 0.52 0.5
--.LPL.Z. 1990-12-30T01:12:39.00 10.0 undecidable manual PN 342 1.2765 0.59 0.8
--.AB9.Z. 1990-12-30T01:12:39.00 10.0 undecidable manual SG 53 0.6882 0.15 0.8
--.LPG.Z. 1990-12-30T01:12:38.70 10.0 undecidable manual PN 343 1.2543 0.59 0.8
--.FIN.Z. 1990-12-30T01:12:37.00 10.0 undecidable manual SG 96 0.666 -1.2 0.1
--.LMR.Z. 1990-12-30T01:12:37.00 10.0 undecidable manual PN 210 1.0989 1.08 0.3
--.LRG.Z. 1990-12-30T01:12:35.40 10.0 undecidable manual PN 218 1.0656 0.02 1.5
--.IMI.Z. 1990-12-30T01:12:34.45 10.0 undecidable manual SG 130 0.5772 -0.87 0.3
--.PCP.Z. 1990-12-30T01:12:33.74 10.0 undecidable manual PG 74 0.9324 0.53 1.1
--.FRF.Z. 1990-12-30T01:12:32.20 10.0 undecidable manual PG 212 0.8547 0.49 1.2
--.SBF.Z. 1990-12-30T01:12:30.60 10.0 undecidable manual SG 165 0.444 -0.19 0.8
--.ROB.Z. 1990-12-30T01:12:30.25 10.0 undecidable manual SG 88 0.4218 -0.07 0.8
--.CKI.Z. 1990-12-30T01:12:29.00 10.0 undecidable manual PG 79 0.7215 -0.28 1.7
--.AB9.Z. 1990-12-30T01:12:28.40 10.0 positive manual PG 53 0.6882 -0.23 3.6
--.FIN.Z. 1990-12-30T01:12:28.22 10.0 undecidable manual PG 96 0.666 -0.03 2
--.IMI.Z. 1990-12-30T01:12:26.66 10.0 undecidable manual PG 130 0.5772 0.07 2
--.ROB.Z. 1990-12-30T01:12:24.10 10.0 undecidable manual PG 88 0.4218 0.4 1.6
--.SBF.Z. 1990-12-30T01:12:24.60 10.0 undecidable manual PG 165 0.444 0.63 1.1
--.PZZ.Z. 1990-12-30T01:12:23.28 10.0 undecidable manual SG 329 0.2442 -1.37 0
--.ENR.Z. 1990-12-30T01:12:19.89 10.0 undecidable manual SG 121 0.1221 -0.48 0.6
--.PZZ.Z. 1990-12-30T01:12:19.69 10.0 undecidable manual PG 329 0.2442 -0.74 0.9
--.STV.Z. 1990-12-30T01:12:18.15 10.0 undecidable manual SG 135 0.0444 -0.45 0.6
--.ENR.Z. 1990-12-30T01:12:17.95 10.0 undecidable manual PG 121 0.1221 -0.01 2
--.STV.Z. 1990-12-30T01:12:16.92 10.0 undecidable manual PG 135 0.0444 -0.02 2
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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