Earthquake with magnitude of Md 2.0 on date 01-09-1986 and time 15:05:54 (UTC) in region 3 km NE Cairo Montenotte (SV)

A magnitude Md 2.0 earthquake occured in region: 3 km NE Cairo Montenotte (SV), on

  • 01-09-1986 15:05:54 (UTC)
  • 01-09-1986 17:05:54 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.42, 8.3 at 8 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 3 13269 13269
Dego SV 4 1985 15254
Carcare SV 7 5587 20841
Cosseria SV 7 1105 21946
Cengio SV 8 3563 25509
Plodio SV 8 650 26159
Piana Crixia SV 8 788 26947
Giusvalla SV 9 441 27388
Millesimo SV 9 3383 30771
Altare SV 10 2108 32879
Pallare SV 10 923 33802
Roccavignale SV 10 752 34554
Saliceto CN 10 1323 35877
Merana AL 11 189 36066
Gottasecca CN 11 148 36214
Pontinvrea SV 12 847 37061
Castelletto Uzzone CN 12 331 37392
Camerana CN 12 631 38023
Mioglia SV 12 526 38549
Montezemolo CN 13 259 38808
Pareto AL 13 554 39362
Mallare SV 14 1146 40508
Prunetto CN 15 451 40959
Spigno Monferrato AL 15 1050 42009
Castelnuovo di Ceva CN 15 110 42119
Monesiglio CN 15 645 42764
Murialdo SV 15 841 43605
Serole AT 16 123 43728
Stella SV 16 3009 46737
Pezzolo Valle Uzzone CN 16 344 47081
Bormida SV 16 387 47468
Quiliano SV 16 7232 54700
Gorzegno CN 17 304 55004
Osiglia SV 17 444 55448
Priero CN 17 529 55977
Sassello SV 17 1777 57754
Sale delle Langhe CN 17 486 58240
Bergolo CN 17 71 58311
Mombaldone AT 17 209 58520
Sale San Giovanni CN 17 183 58703
Levice CN 18 231 58934
Mombarcaro CN 18 268 59202
Paroldo CN 18 211 59413
Malvicino AL 19 85 59498
Albisola Superiore SV 19 10163 69661
Savona SV 19 61345 131006
Perlo CN 19 116 131122
Albissola Marina SV 19 5487 136609
Olmo Gentile AT 19 80 136689
Torre Bormida CN 20 200 136889
Roccaverano AT 20 399 137288
Vado Ligure SV 20 8336 145624

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km NW of Savona (61345 inhabitants)
51 Km W of Genova (586655 inhabitants)
54 Km S of Asti (76202 inhabitants)
59 Km E of Cuneo (56081 inhabitants)
61 Km SW of Alessandria (93943 inhabitants)
78 Km NE of Sanremo (54807 inhabitants)
81 Km SE of Moncalieri (57294 inhabitants)
88 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 1986-09-01
15:05:54
44.42 8.3 8 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 33409
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-09-01 15:05:54 ± 0.235
Latitude 44.42 ± 0.01
Longitude 8.30 ± 0.02
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 33409

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) 1749.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 276
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.1
Epicentral distance of station closest to the epicenter (degree) 8.0E-5
Epicentral distance of station farthest from the epicenter (degree) 0.00639
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitude information

Md:2

Field Value
Value 2
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 33409
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:34:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.STV.Z. 1986-09-01T15:06:19.80 10.0 undecidable manual SG 256 0.0064 -0.3 0.1
--.STV.Z. 1986-09-01T15:06:09.40 10.0 undecidable manual PG 256 0.0064 -0.09 1
--.ROB.Z. 1986-09-01T15:06:07.70 10.0 undecidable manual SG 249 0.0029 0.02 0.7
--.FIN.Z. 1986-09-01T15:06:03.80 10.0 undecidable manual SG 196 0.0019 -0.05 0.7
--.ROB.Z. 1986-09-01T15:06:02.60 10.0 undecidable manual PG 249 0.0029 0.29 0.4
--.FIN.Z. 1986-09-01T15:06:00.10 10.0 undecidable manual PG 196 0.0019 0 1.8
--.CKI.Z. 1986-09-01T15:05:58.00 10.0 undecidable manual SG 280 0.0001 0.18 0.6
--.CKI.Z. 1986-09-01T15:05:56.50 10.0 negative manual PG 280 0.0001 -0.13 2.7
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
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