Earthquake with magnitude of Md 1.9 on date 22-01-1992 and time 16:23:21 (UTC) in region 4 km NW Vezzi Portio (SV)

A magnitude Md 1.9 earthquake occured in region: 4 km NW Vezzi Portio (SV), on

  • 22-01-1992 16:23:21 (UTC)
  • 22-01-1992 17:23:21 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.2630, 8.3480 at 5 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
Vezzi Portio SV 4 809 809
Orco Feglino SV 5 890 1699
Mallare SV 5 1146 2845
Quiliano SV 6 7232 10077
Spotorno SV 7 3803 13880
Vado Ligure SV 7 8336 22216
Rialto SV 7 564 22780
Calice Ligure SV 8 1730 24510
Bergeggi SV 8 1129 25639
Altare SV 8 2108 27747
Noli SV 8 2736 30483
Bormida SV 9 387 30870
Pallare SV 9 923 31793
Finale Ligure SV 10 11711 43504
Magliolo SV 11 974 44478
Tovo San Giacomo SV 11 2582 47060
Carcare SV 12 5587 52647
Savona SV 12 61345 113992
Osiglia SV 12 444 114436
Borgio Verezzi SV 12 2205 116641
Giustenice SV 13 977 117618
Plodio SV 13 650 118268
Pietra Ligure SV 14 8992 127260
Albissola Marina SV 14 5487 132747
Cosseria SV 15 1105 133852
Albisola Superiore SV 16 10163 144015
Murialdo SV 16 841 144856
Millesimo SV 16 3383 148239
Loano SV 16 11407 159646
Cairo Montenotte SV 16 13269 172915
Roccavignale SV 17 752 173667
Boissano SV 17 2492 176159
Cengio SV 18 3563 179722
Celle Ligure SV 18 5237 184959
Borghetto Santo Spirito SV 18 4948 189907
Calizzano SV 19 1475 191382
Toirano SV 19 2644 194026
Bardineto SV 19 756 194782
Stella SV 19 3009 197791

Municipalities with at least 50000 inhabitants

An earthquake occurred to
12 Km W of Savona (61345 inhabitants)
50 Km W of Genova (586655 inhabitants)
65 Km E of Cuneo (56081 inhabitants)
67 Km NE of Sanremo (54807 inhabitants)
72 Km S of Asti (76202 inhabitants)
75 Km S of Alessandria (93943 inhabitants)
97 Km SE of Moncalieri (57294 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 2.0
1992-01-22
16:23:21
44.263 8.348 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 157269
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1992-01-22 16:23:21 ± 0.573
Latitude 44.2630 ± 0.0194
Longitude 8.3480 ± 0.0490
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 157269

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) 4457.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 196
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.6
Epicentral distance of station closest to the epicenter (degree) 0.00097
Epicentral distance of station farthest from the epicenter (degree) 0.01522
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitudes information

Md:1.9

Field Value
Value 1.9
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 157269
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:26:53

M:2.0

Field Value
Value 2.0
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 157269
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 09:42:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.LMR.Z. 1992-01-22T16:24:13.20 10.0 undecidable manual SN 235 1.6206 1.3 0.2
--.FRF.Z. 1992-01-22T16:24:07.60 10.0 undecidable manual SN 240 1.3986 0.63 0.4
--.LPL.Z. 1992-01-22T16:23:53.41 10.0 undecidable manual PN 318 1.6872 1.73 0.2
--.LPG.Z. 1992-01-22T16:23:52.91 10.0 undecidable manual PN 317 1.6761 1.54 0.3
--.LMR.Z. 1992-01-22T16:23:51.80 10.0 undecidable manual PN 235 1.6206 1.18 0.5
--.SBF.Z. 1992-01-22T16:23:48.39 10.0 undecidable manual SG 238 0.7659 -0.68 0.5
--.FRF.Z. 1992-01-22T16:23:47.80 10.0 undecidable manual PN 240 1.3986 0.02 1.4
--.BHB.Z. 1992-01-22T16:23:40.34 10.0 undecidable manual PG 306 0.9546 -0.68 1.3
--.PZZ.Z. 1992-01-22T16:23:39.70 10.0 undecidable manual PG 285 0.9213 -0.62 1.3
--.SBF.Z. 1992-01-22T16:23:36.70 10.0 undecidable manual PG 238 0.7659 -0.75 1.2
--.STV.Z. 1992-01-22T16:23:36.36 10.0 undecidable manual PG 269 0.7326 -0.37 1.6
--.ENR.Z. 1992-01-22T16:23:35.23 10.0 undecidable manual PG 267 0.6549 -0.31 1.7
--.IMI.Z. 1992-01-22T16:23:31.22 10.0 undecidable manual PG 222 0.4773 -0.9 1
--.ROB.Z. 1992-01-22T16:23:28.80 10.0 undecidable manual PG 276 0.3441 -0.43 1.6
--.CKI.Z. 1992-01-22T16:23:27.80 10.0 undecidable manual SG 342 0.1665 -0.31 0.7
--.PCP.Z. 1992-01-22T16:23:27.39 10.0 undecidable manual PG 26 0.3108 -1.16 0.7
--.CKI.Z. 1992-01-22T16:23:25.50 10.0 undecidable manual PG 342 0.1665 0.16 1.7
--.FIN.Z. 1992-01-22T16:23:24.52 10.0 undecidable manual PG 241 0.111 0.24 1.7
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download