Earthquake with magnitude of Md 2.0 on date 11-07-1990 and time 16:57:02 (Italy) in region 5 km SE Dego (SV)

A magnitude Md 2.0 earthquake occured in region: 5 km SE Dego (SV), on

  • 11-07-1990 14:57:02 (UTC)
  • 11-07-1990 16:57:02 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.4120, 8.3350 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
Dego SV 5 1985 1985
Cairo Montenotte SV 5 13269 15254
Giusvalla SV 6 441 15695
Carcare SV 7 5587 21282
Altare SV 9 2108 23390
Piana Crixia SV 9 788 24178
Pontinvrea SV 9 847 25025
Cosseria SV 9 1105 26130
Plodio SV 9 650 26780
Cengio SV 10 3563 30343
Pallare SV 10 923 31266
Mioglia SV 11 526 31792
Millesimo SV 11 3383 35175
Merana AL 12 189 35364
Pareto AL 12 554 35918
Roccavignale SV 13 752 36670
Stella SV 13 3009 39679
Saliceto CN 13 1323 41002
Mallare SV 14 1146 42148
Gottasecca CN 14 148 42296
Quiliano SV 15 7232 49528
Sassello SV 15 1777 51305
Spigno Monferrato AL 15 1050 52355
Castelletto Uzzone CN 15 331 52686
Camerana CN 15 631 53317
Montezemolo CN 16 259 53576
Albisola Superiore SV 16 10163 63739
Savona SV 16 61345 125084
Albissola Marina SV 16 5487 130571
Bormida SV 17 387 130958
Serole AT 17 123 131081
Murialdo SV 17 841 131922
Castelnuovo di Ceva CN 17 110 132032
Prunetto CN 17 451 132483
Mombaldone AT 18 209 132692
Malvicino AL 18 85 132777
Vado Ligure SV 18 8336 141113
Osiglia SV 18 444 141557
Pezzolo Valle Uzzone CN 18 344 141901
Monesiglio CN 18 645 142546
Celle Ligure SV 19 5237 147783
Bergolo CN 19 71 147854
Gorzegno CN 19 304 148158
Priero CN 20 529 148687
Levice CN 20 231 148918
Sale delle Langhe CN 20 486 149404
Bergeggi SV 20 1129 150533

Municipalities with at least 50000 inhabitants

An earthquake occurred to
16 Km NW of Savona (61345 inhabitants)
48 Km W of Genova (586655 inhabitants)
55 Km S of Asti (76202 inhabitants)
60 Km SW of Alessandria (93943 inhabitants)
62 Km E of Cuneo (56081 inhabitants)
79 Km NE of Sanremo (54807 inhabitants)
83 Km SE of Moncalieri (57294 inhabitants)
90 Km SE 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 2.0 1990-07-11
14:57:02
44.412 8.335 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 122969
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1990-07-11 14:57:02 ± 0.229
Latitude 44.4120 ± 0.0238
Longitude 8.3350 ± 0.0263
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 122969

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) 3372.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 163
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) 0.00032
Epicentral distance of station farthest from the epicenter (degree) 0.00793
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

Md:2.0

Field Value
Value 2.0
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 122969
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:54:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.PZZ.Z. 1990-07-11T14:57:20.90 10.0 undecidable manual PG 276 0.8769 0.18 0.9
--.STV.Z. 1990-07-11T14:57:18.50 10.0 undecidable manual PG 257 0.7326 0.89 0.2
--.IMI.Z. 1990-07-11T14:57:14.56 10.0 undecidable manual PG 212 0.5883 0.06 1.3
--.ROB.Z. 1990-07-11T14:57:09.73 10.0 undecidable manual PG 251 0.3441 -0.23 1.4
--.PCP.Z. 1990-07-11T14:57:07.52 10.0 undecidable manual PG 49 0.1887 0.34 1.2
--.CKI.Z. 1990-07-11T14:57:06.00 10.0 undecidable manual SG 281 0.0333 -0.21 0.6
--.CKI.Z. 1990-07-11T14:57:04.00 10.0 positive manual PG 281 0.0333 -0.61 1.4
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