Earthquake with magnitude of Md 2.4 on date 12-04-1996 and time 21:43:23 (UTC) in region Costa Ligure centro occidentale (Savona)

A magnitude Md 2.4 earthquake occured in region: Costa Ligure centro occidentale (Savona), on

  • 12-04-1996 21:43:23 (UTC)
  • 12-04-1996 23:43:23 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.1200, 8.5730 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
Noli SV 16 2736 2736
Spotorno SV 17 3803 6539
Bergeggi SV 18 1129 7668
Finale Ligure SV 19 11711 19379
Vado Ligure SV 20 8336 27715

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km SE of Savona (61345 inhabitants)
43 Km SW of Genova (586655 inhabitants)
71 Km E of Sanremo (54807 inhabitants)
87 Km E of Cuneo (56081 inhabitants)
88 Km S of Alessandria (93943 inhabitants)
92 Km SE of Asti (76202 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 2.4 1996-04-12
21:43:23
44.12 8.573 8 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 244219
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1996-04-12 21:43:23 ± 0.69
Latitude 44.1200 ± 0.0154
Longitude 8.5730 ± 0.0193
Depth (km) 8 ± 5 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 244219

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) 2299.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 124
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00324
Epicentral distance of station farthest from the epicenter (degree) 0.01514
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:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 244219
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 20:51:07
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.PGF.Z. 1996-04-12T21:44:12.70 10.0 undecidable manual SN 168 1.5984 0.52 0.4
--.DOI.Z. 1996-04-12T21:43:58.55 10.0 undecidable manual SG 292 1.0101 0.34 0.7
--.SBF.Z. 1996-04-12T21:43:52.10 10.0 undecidable manual SG 252 0.8547 -0.77 0.3
--.PGF.Z. 1996-04-12T21:43:51.70 10.0 undecidable manual PN 168 1.5984 0.3 1.4
--.LMR.Z. 1996-04-12T21:43:51.45 10.0 undecidable manual PN 242 1.6761 -1.09 0.2
--.DOI.Z. 1996-04-12T21:43:43.35 10.0 undecidable manual PG 292 1.0101 0.02 2
--.SBF.Z. 1996-04-12T21:43:41.00 10.0 undecidable manual PG 252 0.8547 0.74 0.8
--.BOB.Z. 1996-04-12T21:43:40.66 10.0 undecidable manual PG 43 0.888 -0.37 1.6
--.CKI.Z. 1996-04-12T21:43:37.43 10.0 undecidable manual SG 324 0.3552 0.34 0.7
--.CKI.Z. 1996-04-12T21:43:31.26 10.0 undecidable manual PG 324 0.3552 0.11 1.9
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download