Earthquake with magnitude of Md 2.3 on date 27-06-2002 and time 13:07:36 (Italy) in region Costa Ligure orientale (La Spezia)

A magnitude Md 2.3 earthquake occured in region: Costa Ligure orientale (La Spezia), on

  • 27-06-2002 11:07:36 (UTC)
  • 27-06-2002 13:07:36 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.0410, 9.6570 at 5 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
Riomaggiore SP 9 1576 1576
Vernazza SP 11 848 2424
Monterosso al Mare SP 12 1464 3888
Portovenere SP 15 3630 7518
Levanto SP 15 5499 13017
Riccò del Golfo di Spezia SP 15 3698 16715
La Spezia SP 16 93959 110674
Pignone SP 16 565 111239
Bonassola SP 17 862 112101
Beverino SP 19 2429 114530

Municipalities with at least 50000 inhabitants

An earthquake occurred to
16 Km W of La Spezia (93959 inhabitants)
36 Km W of Carrara (63133 inhabitants)
39 Km W of Massa (69479 inhabitants)
51 Km W of Viareggio (62467 inhabitants)
70 Km NW of Pisa (89158 inhabitants)
71 Km SE of Genova (586655 inhabitants)
71 Km W of Lucca (89046 inhabitants)
75 Km NW of Livorno (159219 inhabitants)
98 Km E of Savona (61345 inhabitants)
100 Km SW of Parma (192836 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 2002-06-27
11:07:36
44.041 9.657 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 444289
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2002-06-27 11:07:36 ± 0.33
Latitude 44.0410 ± 0.0292
Longitude 9.6570 ± 0.0248
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 444289

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) 3800.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 162
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) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.00607
Epicentral distance of station farthest from the epicenter (degree) 0.01344
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

Md:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 444289
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 00:00:07
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.PGD.Z. 2002-06-27T11:08:05.22 10.0 undecidable manual PN 96 1.4874 1.5 0.2
--.BDI.Z. 2002-06-27T11:08:01.46 10.0 undecidable manual SG 88 0.6771 0.54 0.5
--.PII.Z. 2002-06-27T11:08:01.84 10.0 undecidable manual SG 117 0.6993 0.07 0.7
--.FIN.Z. 2002-06-27T11:07:57.48 10.0 undecidable manual PG 280 1.0434 -0.04 1.5
--.BOB.Z. 2002-06-27T11:07:51.62 10.0 undecidable manual PG 349 0.7326 -0.13 1.7
--.GSCL.Z. 2002-06-27T11:07:51.34 10.0 undecidable manual PG 65 0.7326 -0.31 1.6
--.PII.Z. 2002-06-27T11:07:50.37 10.0 undecidable manual PG 117 0.6993 -0.66 1.2
--.BDI.Z. 2002-06-27T11:07:49.54 10.0 undecidable manual PG 88 0.6771 -1.01 0.7
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