Earthquake with magnitude of M 2.0 on date 05-03-1986 and time 15:26:48 (Italy) in region 7 km W Ventimiglia (IM)

A magnitude M 2.0 earthquake occured in region: 7 km W Ventimiglia (IM), on

  • 05-03-1986 14:26:48 (UTC)
  • 05-03-1986 15:26:48 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.81, 7.53 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
Ventimiglia IM 7 24310 24310
Airole IM 7 407 24717
Olivetta San Michele IM 8 211 24928
Camporosso IM 8 5632 30560
Dolceacqua IM 9 2074 32634
Vallecrosia IM 10 6956 39590
San Biagio della Cima IM 10 1329 40919
Soldano IM 11 977 41896
Rocchetta Nervina IM 11 298 42194
Vallebona IM 11 1310 43504
Isolabona IM 12 679 44183
Bordighera IM 12 10469 54652
Apricale IM 14 629 55281
Perinaldo IM 14 870 56151
Seborga IM 14 315 56466
Ospedaletti IM 16 3367 59833
Pigna IM 18 859 60692
Castel Vittorio IM 18 287 60979
Bajardo IM 19 312 61291

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km W of Sanremo (54807 inhabitants)
65 Km S of Cuneo (56081 inhabitants)
94 Km SW of Savona (61345 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 1986-03-05
14:26:48
43.81 7.53 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 23669
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-03-05 14:26:48 ± 1.095
Latitude 43.81 ± 0.06
Longitude 7.53 ± 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 23669

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) 7563
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 274
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) 0.7
Epicentral distance of station closest to the epicenter (degree) 0.00251
Epicentral distance of station farthest from the epicenter (degree) 0.01506
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

M:2

Field Value
Value 2
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 23669
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
--.CO9.Z. 1986-03-05T14:27:18.00 10.0 undecidable manual PN 54 0.0151 0.71 0.8
--.ROB.Z. 1986-03-05T14:27:08.90 10.0 undecidable manual SG 26 0.0049 1.04 0.5
--.STV.Z. 1986-03-05T14:27:04.50 10.0 undecidable manual SG 342 0.0041 -0.52 0.6
--.FIN.Z. 1986-03-05T14:27:02.40 10.0 undecidable manual PG 50 0.0057 1.34 0.7
--.ROB.Z. 1986-03-05T14:26:59.30 10.0 undecidable manual PG 26 0.0049 -0.27 2
--.IMP.Z. 1986-03-05T14:26:58.00 10.0 undecidable manual SG 68 0.0025 -1.32 0.2
--.STV.Z. 1986-03-05T14:26:57.80 10.0 undecidable manual PG 342 0.0041 -0.13 2.1
--.IMP.Z. 1986-03-05T14:26:53.80 10.0 undecidable manual PG 68 0.0025 -0.84 1.2
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download