Earthquake with magnitude of Md 2.3 on date 23-05-1996 and time 13:15:04 (Italy) in region 3 km SW Sigillo (PG)

A magnitude Md 2.3 earthquake occured in region: 3 km SW Sigillo (PG), on

  • 23-05-1996 11:15:04 (UTC)
  • 23-05-1996 13:15:04 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.3120, 12.7270 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
Sigillo PG 3 2404 2404
Fossato di Vico PG 3 2840 5244
Costacciaro PG 5 1216 6460
Gualdo Tadino PG 10 15208 21668
Scheggia e Pascelupo PG 11 1393 23061
Gubbio PG 13 32216 55277
Fabriano AN 15 31480 86757
Sassoferrato AN 18 7285 94042
Esanatoglia MC 19 2034 96076
Valfabbrica PG 20 3389 99465
Cantiano PU 20 2245 101710

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km NE of Perugia (166134 inhabitants)
40 Km N of Foligno (57155 inhabitants)
64 Km SW of Fano (60888 inhabitants)
68 Km S of Pesaro (94582 inhabitants)
70 Km E of Arezzo (99543 inhabitants)
73 Km W of Ancona (100861 inhabitants)
84 Km N of Terni (111501 inhabitants)
84 Km S of Rimini (147750 inhabitants)
100 Km SE of Cesena (96758 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 1996-05-23
11:15:04
43.312 12.727 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 246519
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1996-05-23 11:15:04 ± 0.373
Latitude 43.3120 ± 0.0274
Longitude 12.7270 ± 0.0971
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 246519

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) 8426.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 173
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 7
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.6
Epicentral distance of station closest to the epicenter (degree) 0.00219
Epicentral distance of station farthest from the epicenter (degree) 0.00834
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitude information

Md:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 246519
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 20:53:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.MNS.Z. 1996-05-23T11:15:24.66 10.0 undecidable manual PG 182 0.9213 1.41 0.3
--.FB9.Z. 1996-05-23T11:15:20.57 10.0 undecidable manual SG 5 0.3774 1.43 0.2
--.ARV.Z. 1996-05-23T11:15:15.39 10.0 undecidable manual SG 40 0.2442 0.66 0.5
--.ASS.Z. 1996-05-23T11:15:14.86 10.0 undecidable manual SG 192 0.2553 -0.2 0.7
--.FB9.Z. 1996-05-23T11:15:12.83 10.0 undecidable manual PG 5 0.3774 -0.32 1.6
--.ASS.Z. 1996-05-23T11:15:10.27 10.0 positive manual PG 192 0.2553 -0.52 2.8
--.ARV.Z. 1996-05-23T11:15:09.68 10.0 undecidable manual PG 40 0.2442 -0.92 1
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