Earthquake with magnitude of M 2.0 on date 26-06-1986 and time 17:01:00 (Italy) in region 1 km W Cairo Montenotte (SV)

A magnitude M 2.0 earthquake occured in region: 1 km W Cairo Montenotte (SV), on

  • 26-06-1986 15:01:00 (UTC)
  • 26-06-1986 17:01:00 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.4, 8.26 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
Cairo Montenotte SV 1 13269 13269
Cosseria SV 4 1105 14374
Cengio SV 4 3563 17937
Plodio SV 5 650 18587
Carcare SV 6 5587 24174
Millesimo SV 6 3383 27557
Dego SV 7 1985 29542
Roccavignale SV 7 752 30294
Saliceto CN 7 1323 31617
Pallare SV 8 923 32540
Montezemolo CN 10 259 32799
Camerana CN 10 631 33430
Gottasecca CN 10 148 33578
Piana Crixia SV 10 788 34366
Altare SV 10 2108 36474
Castelletto Uzzone CN 12 331 36805
Castelnuovo di Ceva CN 12 110 36915
Giusvalla SV 12 441 37356
Murialdo SV 12 841 38197
Mallare SV 13 1146 39343
Merana AL 13 189 39532
Prunetto CN 13 451 39983
Monesiglio CN 13 645 40628
Priero CN 14 529 41157
Bormida SV 14 387 41544
Sale delle Langhe CN 14 486 42030
Sale San Giovanni CN 14 183 42213
Osiglia SV 14 444 42657
Pontinvrea SV 15 847 43504
Paroldo CN 15 211 43715
Mioglia SV 16 526 44241
Mombarcaro CN 16 268 44509
Gorzegno CN 16 304 44813
Perlo CN 16 116 44929
Pareto AL 16 554 45483
Pezzolo Valle Uzzone CN 16 344 45827
Spigno Monferrato AL 17 1050 46877
Serole AT 17 123 47000
Levice CN 17 231 47231
Quiliano SV 17 7232 54463
Bergolo CN 17 71 54534
Nucetto CN 17 430 54964
Ceva CN 18 5782 60746
Torresina CN 18 52 60798
Stella SV 19 3009 63807
San Benedetto Belbo CN 19 179 63986
Massimino SV 19 113 64099
Roascio CN 19 97 64196
Niella Belbo CN 19 372 64568
Mombaldone AT 19 209 64777
Torre Bormida CN 20 200 64977
Feisoglio CN 20 316 65293

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km NW of Savona (61345 inhabitants)
54 Km W of Genova (586655 inhabitants)
55 Km S of Asti (76202 inhabitants)
56 Km E of Cuneo (56081 inhabitants)
63 Km SW of Alessandria (93943 inhabitants)
75 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
Rev 1000 M 2.0 1986-06-26
15:01:00
44.4 8.26 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 30229
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-06-26 15:01:00 ± 0.862
Latitude 44.40 ± 0.03
Longitude 8.26 ± 0.05
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 30229

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) 5246.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 300
Number of associated phases, regardless of their use for origin computation 6
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.00178
Epicentral distance of station farthest from the epicenter (degree) 0.00494
Number of stations at which the event was observed 3
Number of stations from which data was used for origin computation 3
Magnitude information

M:2

Field Value
Value 2
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 30229
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 Takeoff_angle Residual Weight
--.IMP.Z. 1986-06-26T15:01:20.60 10.0 undecidable manual SG 208 0.0049 0.57 0.5
--.IMP.Z. 1986-06-26T15:01:12.70 10.0 undecidable manual PG 208 0.0049 0.97 0.5
--.ROB.Z. 1986-06-26T15:01:11.50 10.0 undecidable manual SG 250 0.0026 -0.25 0.8
--.FIN.Z. 1986-06-26T15:01:08.00 10.0 undecidable manual SG 190 0.0018 -0.66 0.5
--.ROB.Z. 1986-06-26T15:01:06.70 10.0 undecidable manual PG 250 0.0026 -0.25 2.1
--.FIN.Z. 1986-06-26T15:01:04.70 10.0 undecidable manual PG 190 0.0018 -0.46 1.6
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
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