Earthquake with magnitude of ML 1.9 on date 20-06-2008 and time 21:00:11 (Italy) in region Costa Ligure Occidentale (Imperia)

A magnitude ML 1.9 earthquake occured in region: Costa Ligure Occidentale (Imperia), on

  • 20-06-2008 19:00:11 (UTC)
  • 20-06-2008 21:00:11 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.7830, 8.1020 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
Imperia IM 13 42034 42034
San Lorenzo al Mare IM 14 1297 43331
Diano Marina IM 14 5977 49308
Costarainera IM 15 828 50136
Cipressa IM 16 1290 51426
Cervo IM 16 1187 52613
Diano Castello IM 16 2214 54827
Civezza IM 16 609 55436
San Bartolomeo al Mare IM 16 3129 58565
Diano San Pietro IM 17 1145 59710
Santo Stefano al Mare IM 17 2197 61907
Terzorio IM 18 216 62123
Dolcedo IM 18 1415 63538
Riva Ligure IM 19 2910 66448
Pompeiana IM 19 823 67271
Pontedassio IM 19 2323 69594
Diano Arentino IM 19 722 70316
Andora SV 20 7552 77868
Pietrabruna IM 20 501 78369

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km E of Sanremo (54807 inhabitants)
66 Km SW of Savona (61345 inhabitants)
81 Km SE of Cuneo (56081 inhabitants)
97 Km SW of Genova (586655 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 2.3
ML 1.9
2008-06-20
19:00:11
43.783 8.102 8 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 698089
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2008-06-20 19:00:11 ± 0.49
Latitude 43.7830 ± 0.0252
Longitude 8.1020 ± 0.0162
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 698089

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2841
Semi-minor axis of confidence ellipse (meter) 1114
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 182
Circular confidence region, given by single value of horizontal uncertainty (meter) 3087.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 287
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.48
Epicentral distance of station closest to the epicenter (degree) 0.19695
Epicentral distance of station farthest from the epicenter (degree) 1.20959
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 698089
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 13:13:22

Md:2.3

Field Value
Value 2.3
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 698089
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 13:13:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.PZZ.HHZ. 2008-06-20T19:00:44.70 0.1 undecidable manual Sg 316 112.1988 0.206 81
IV.DOI.HHZ. 2008-06-20T19:00:43.02 0.1 undecidable manual Sg 320 105.0171 0.457 78
GU.STV.HHZ. 2008-06-20T19:00:35.16 0.1 undecidable manual Sg 310 80.364 -0.833 71
GU.BHB.---. 2008-06-20T19:00:34.23 0.3 undecidable manual Pg 331 134.2656 0.305 57
IV.QLNO.HHE. 2008-06-20T19:00:31.41 0.1 undecidable manual Sg 18 63.0924 0.032 93
GU.PZZ.HHZ. 2008-06-20T19:00:30.82 0.1 undecidable manual Pg 316 112.1988 0.302 80
IV.DOI.HHZ. 2008-06-20T19:00:29.65 0.1 undecidable manual Pg 320 105.0171 0.245 82
GU.PCP.---. 2008-06-20T19:00:27.65 0.1 undecidable manual Pg 23 91.1421 0.375 82
GU.STV.HHZ. 2008-06-20T19:00:25.55 0.1 undecidable manual Pg 310 80.364 -0.059 89
IV.QLNO.HHE. 2008-06-20T19:00:22.79 0.1 undecidable manual Pg 18 63.0924 -0.153 91
IV.IMI.HHZ. 2008-06-20T19:00:19.54 0.1 undecidable manual Sg 310 21.867 0.034 100
GU.RORO.---. 2008-06-20T19:00:18.02 0.1 undecidable manual Pg 356 36.5412 -0.835 77
IV.IMI.HHZ. 2008-06-20T19:00:16.03 0.1 undecidable manual Pg 310 21.867 -0.057 99
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