Earthquake with magnitude of Md 2.1 on date 29-07-1992 and time 16:21:04 (UTC) in region 1 km SW Cairo Montenotte (SV)

A magnitude Md 2.1 earthquake occured in region: 1 km SW Cairo Montenotte (SV), on

  • 29-07-1992 16:21:04 (UTC)
  • 29-07-1992 18:21:04 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.3890, 8.2680 at 7 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
Cairo Montenotte SV 1 13269 13269
Cosseria SV 3 1105 14374
Carcare SV 4 5587 19961
Plodio SV 4 650 20611
Cengio SV 5 3563 24174
Millesimo SV 6 3383 27557
Roccavignale SV 7 752 28309
Pallare SV 7 923 29232
Dego SV 8 1985 31217
Saliceto CN 8 1323 32540
Altare SV 9 2108 34648
Montezemolo CN 10 259 34907
Camerana CN 11 631 35538
Mallare SV 11 1146 36684
Piana Crixia SV 11 788 37472
Gottasecca CN 11 148 37620
Castelnuovo di Ceva CN 12 110 37730
Murialdo SV 12 841 38571
Giusvalla SV 12 441 39012
Bormida SV 13 387 39399
Osiglia SV 13 444 39843
Castelletto Uzzone CN 13 331 40174
Priero CN 14 529 40703
Sale delle Langhe CN 15 486 41189
Merana AL 15 189 41378
Monesiglio CN 15 645 42023
Pontinvrea SV 15 847 42870
Prunetto CN 15 451 43321
Sale San Giovanni CN 15 183 43504
Quiliano SV 16 7232 50736
Perlo CN 16 116 50852
Mioglia SV 16 526 51378
Paroldo CN 16 211 51589
Mombarcaro CN 17 268 51857
Pareto AL 17 554 52411
Gorzegno CN 17 304 52715
Nucetto CN 17 430 53145
Pezzolo Valle Uzzone CN 18 344 53489
Stella SV 18 3009 56498
Spigno Monferrato AL 18 1050 57548
Massimino SV 18 113 57661
Serole AT 18 123 57784
Ceva CN 18 5782 63566
Rialto SV 19 564 64130
Levice CN 19 231 64361
Vado Ligure SV 19 8336 72697
Bergolo CN 19 71 72768
Torresina CN 19 52 72820
Savona SV 19 61345 134165
Vezzi Portio SV 19 809 134974
Orco Feglino SV 19 890 135864
Roascio CN 20 97 135961

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km W of Savona (61345 inhabitants)
53 Km W of Genova (586655 inhabitants)
57 Km E of Cuneo (56081 inhabitants)
57 Km S of Asti (76202 inhabitants)
65 Km SW of Alessandria (93943 inhabitants)
74 Km NE of Sanremo (54807 inhabitants)
82 Km SE of Moncalieri (57294 inhabitants)
89 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 2.1
M 2.1
1992-07-29
16:21:04
44.389 8.268 7 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 170399
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1992-07-29 16:21:04 ± 0.199
Latitude 44.3890 ± 0.0103
Longitude 8.2680 ± 0.0172
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 170399

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) 1783.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 195
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) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00024
Epicentral distance of station farthest from the epicenter (degree) 0.01190
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitudes information

Md:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 170399
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:39:19

M:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 170399
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
--.BHB.Z. 1992-07-29T16:21:33.80 10.0 undecidable manual SG 302 0.8325 -0.27 0.5
--.PZZ.Z. 1992-07-29T16:21:33.30 10.0 undecidable manual SG 278 0.8325 -0.72 0.2
--.LSD.Z. 1992-07-29T16:21:29.50 10.0 undecidable manual PN 324 1.3209 0.21 1.1
--.STV.Z. 1992-07-29T16:21:28.80 10.0 undecidable manual SG 258 0.6882 -0.22 0.6
--.RRL.Z. 1992-07-29T16:21:27.40 10.0 undecidable manual PN 297 1.1766 0.11 1.3
--.ENR.Z. 1992-07-29T16:21:26.80 10.0 undecidable manual SG 255 0.6216 -0.38 0.5
--.RSP.Z. 1992-07-29T16:21:24.80 10.0 undecidable manual PG 317 1.0434 -0.57 0.6
--.IMI.Z. 1992-07-29T16:21:24.10 10.0 undecidable manual SG 209 0.5439 -0.54 0.3
--.BHB.Z. 1992-07-29T16:21:21.70 10.0 undecidable manual PG 302 0.8325 0.12 1.6
--.PZZ.Z. 1992-07-29T16:21:21.80 10.0 undecidable manual PG 278 0.8325 0.25 1.4
--.DOI.Z. 1992-07-29T16:21:19.93 10.0 undecidable manual PG 279 0.7326 0.27 1.5
--.STV.Z. 1992-07-29T16:21:19.70 10.0 undecidable manual PG 258 0.6882 1.04 0.1
--.ENR.Z. 1992-07-29T16:21:17.80 10.0 undecidable manual PG 255 0.6216 0.2 1.7
--.IMI.Z. 1992-07-29T16:21:16.00 10.0 undecidable manual PG 209 0.5439 -0.13 1.8
--.ROB.Z. 1992-07-29T16:21:16.20 10.0 undecidable manual SG 253 0.2886 0.09 0.7
--.ROB.Z. 1992-07-29T16:21:11.40 10.0 undecidable manual PG 253 0.2886 0.2 1.7
--.CKI.Z. 1992-07-29T16:21:07.50 10.0 undecidable manual SG 14 0.0222 0.37 0.5
--.CKI.Z. 1992-07-29T16:21:05.50 10.0 positive manual PG 14 0.0222 -0.52 1.8
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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