Earthquake with magnitude of Md 1.9 on date 12-08-2008 and time 04:17:09 (Italy) in region 2 km SW Vezzano Ligure (SP)

A magnitude Md 1.9 earthquake occured in region: 2 km SW Vezzano Ligure (SP), on

  • 12-08-2008 02:17:09 (UTC)
  • 12-08-2008 04:17:09 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.1270, 9.8650 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
Vezzano Ligure SP 2 7356 7356
La Spezia SP 4 93959 101315
Arcola SP 4 10607 111922
Follo SP 4 6337 118259
Santo Stefano di Magra SP 6 9360 127619
Lerici SP 7 10228 137847
Bolano SP 7 7813 145660
Sarzana SP 8 21976 167636
Portovenere SP 8 3630 171266
Riccò del Golfo di Spezia SP 9 3698 174964
Ameglia SP 10 4365 179329
Riomaggiore SP 11 1576 180905
Beverino SP 11 2429 183334
Podenzana MS 11 2180 185514
Fosdinovo MS 12 4883 190397
Aulla MS 12 11263 201660
Pignone SP 13 565 202225
Castelnuovo Magra SP 13 8415 210640
Calice al Cornoviglio SP 13 1138 211778
Tresana MS 14 2044 213822
Vernazza SP 14 848 214670
Ortonovo SP 15 8277 222947
Borghetto di Vara SP 16 938 223885
Rocchetta di Vara SP 16 703 224588
Brugnato SP 17 1270 225858
Monterosso al Mare SP 17 1464 227322
Zignago SP 19 532 227854
Carrara MS 19 63133 290987
Villafranca in Lunigiana MS 20 4770 295757

Municipalities with at least 50000 inhabitants

An earthquake occurred to
4 Km NE of La Spezia (93959 inhabitants)
19 Km W of Carrara (63133 inhabitants)
24 Km W of Massa (69479 inhabitants)
42 Km NW of Viareggio (62467 inhabitants)
60 Km NW of Lucca (89046 inhabitants)
63 Km NW of Pisa (89158 inhabitants)
73 Km NW of Livorno (159219 inhabitants)
81 Km E of Genova (586655 inhabitants)
84 Km SW of Parma (192836 inhabitants)
87 Km W of Pistoia (90315 inhabitants)
88 Km SW of Reggio nell'Emilia (171345 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 1.9 2008-08-12
02:17:09
44.127 9.865 10 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 710139
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2008-08-12 02:17:09 ± 0.16
Latitude 44.1270 ± 0.0108
Longitude 9.8650 ± 0.0125
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 710139

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1421
Semi-minor axis of confidence ellipse (meter) 684
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 36
Circular confidence region, given by single value of horizontal uncertainty (meter) 1562.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 190
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.62413
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 3
Magnitude information

Md:1.9

Field Value
Value 1.9
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 710139
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 13:26:41
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PII.SHZ. 2008-08-12T02:17:30.47 0.1 undecidable manual Sg 130 69.2751 -0.254 94
IV.GSCL.SHZ. 2008-08-12T02:17:28.93 0.1 undecidable manual Sg 66 62.5929 -0.012 100
IV.CDCA.EHE. 2008-08-12T02:17:24.31 10.0 undecidable manual Pg 0 0 0
GU.SC2M.HHE. 2008-08-12T02:17:22.75 0.1 undecidable manual Sg 320 40.4262 -0.293 98
IV.PII.SHZ. 2008-08-12T02:17:21.97 0.1 undecidable manual Pg 130 69.2751 0.2 95
IV.GSCL.SHZ. 2008-08-12T02:17:20.80 0.1 undecidable manual Pg 66 62.5929 0.059 99
GU.SC2M.HHE. 2008-08-12T02:17:17.63 0.1 undecidable manual Pg 320 40.4262 0.295 98
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