Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 06-07-2008 and time 12:15:31 (Italy) in region 2 km SW Rialto (SV)

A magnitude ML 1.7 earthquake occured in region: 2 km SW Rialto (SV), on

  • 06-07-2008 10:15:31 (UTC)
  • 06-07-2008 12:15:31 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.2110, 8.2610 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Rialto SV 2 564 564
Magliolo SV 2 974 1538
Calice Ligure SV 3 1730 3268
Tovo San Giacomo SV 4 2582 5850
Giustenice SV 4 977 6827
Orco Feglino SV 5 890 7717
Borgio Verezzi SV 7 2205 9922
Pietra Ligure SV 7 8992 18914
Bormida SV 8 387 19301
Finale Ligure SV 8 11711 31012
Vezzi Portio SV 8 809 31821
Boissano SV 9 2492 34313
Loano SV 9 11407 45720
Osiglia SV 9 444 46164
Mallare SV 10 1146 47310
Toirano SV 10 2644 49954
Bardineto SV 11 756 50710
Borghetto Santo Spirito SV 11 4948 55658
Balestrino SV 12 595 56253
Calizzano SV 12 1475 57728
Noli SV 13 2736 60464
Ceriale SV 13 5561 66025
Spotorno SV 13 3803 69828
Pallare SV 13 923 70751
Murialdo SV 14 841 71592
Castelvecchio di Rocca Barbena SV 15 145 71737
Erli SV 15 245 71982
Quiliano SV 15 7232 79214
Bergeggi SV 15 1129 80343
Altare SV 15 2108 82451
Vado Ligure SV 16 8336 90787
Zuccarello SV 16 309 91096
Plodio SV 16 650 91746
Cisano sul Neva SV 16 2085 93831
Carcare SV 17 5587 99418
Cosseria SV 18 1105 100523
Roccavignale SV 18 752 101275
Millesimo SV 18 3383 104658
Massimino SV 18 113 104771
Castelbianco SV 18 330 105101
Albenga SV 18 24213 129314
Garessio CN 18 3244 132558
Castelnuovo di Ceva CN 19 110 132668
Arnasco SV 19 645 133313
Priola CN 19 701 134014
Perlo CN 20 116 134130

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km SW of Savona (61345 inhabitants)
58 Km NE of Sanremo (54807 inhabitants)
58 Km W of Genova (586655 inhabitants)
60 Km E of Cuneo (56081 inhabitants)
77 Km S of Asti (76202 inhabitants)
83 Km SW of Alessandria (93943 inhabitants)
99 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 2.0
ML 1.7 		2008-07-06
10:15:31		 44.211 8.261 10 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 701709
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2008-07-06 10:15:31 ± 0.27
Latitude 44.2110 ± 0.0162
Longitude 8.2610 ± 0.0226
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 701709

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2427
Semi-minor axis of confidence ellipse (meter) 782
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 135
Circular confidence region, given by single value of horizontal uncertainty (meter) 2545.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 189
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.51
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.86964
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 6
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.1
Num. used stations
Type of magnitude ML
Reference to an origin 701709
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 13:17:24

Md:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations
Type of magnitude Md
Reference to an origin 701709
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 13:17:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GRI.EHZ. 2008-07-06T10:16:14.39 10.0 undecidable manual Pg 0 0 0
IV.FAGN.HHN. 2008-07-06T10:15:56.25 10.0 undecidable manual Pg 0 0 0
GU.STV.HHN. 2008-07-06T10:15:52.86 0.1 undecidable manual Sg 273 74.37 -0.775 75
GU.PZZ.HHZ. 2008-07-06T10:15:48.02 0.1 undecidable manual Pg 290 96.5256 0.467 81
IV.DOI.HHE. 2008-07-06T10:15:46.29 0.1 undecidable manual Pg 292 86.7465 0.245 87
IV.RGNG.SHZ. 2008-07-06T10:15:46.06 10.0 undecidable manual Pg 0 0 0
GU.PCP.HHE. 2008-07-06T10:15:45.25 0.1 undecidable manual Sg 32 43.0236 -0.017 99
IV.IMI.HHE. 2008-07-06T10:15:45.26 0.1 undecidable manual Sg 221 44.3223 -0.359 92
GU.STV.HHN. 2008-07-06T10:15:44.71 0.1 undecidable manual Pg 273 74.37 0.571 82
IV.IMI.HHE. 2008-07-06T10:15:39.63 0.1 undecidable manual Pg 221 44.3223 0.116 96
GU.PCP.HHE. 2008-07-06T10:15:39.27 0.1 undecidable manual Pg 32 43.0236 -0.039 98
IV.QLNO.HHE. 2008-07-06T10:15:36.87 0.1 undecidable manual Sg 28 14.2746 -0.426 95
IV.QLNO.HHE. 2008-07-06T10:15:34.90 0.1 positive manual Pg 28 14.2746 0.192 100
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download