Earthquake with magnitude of Md 2.5 on date 12-07-1996 and time 04:18:26 (Italy) in region Costa Agrigentina (Agrigento)

A magnitude Md 2.5 earthquake occured in region: Costa Agrigentina (Agrigento), on

  • 12-07-1996 02:18:26 (UTC)
  • 12-07-1996 04:18:26 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.448, 12.939 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
Sciacca AG 14 40928 40928
Menfi AG 17 12592 53520

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km SE of Mazara del Vallo (51718 inhabitants)
59 Km W of Agrigento (59770 inhabitants)
59 Km SE of Marsala (83194 inhabitants)
74 Km SE of Trapani (68759 inhabitants)
83 Km SW of Palermo (674435 inhabitants)
86 Km SW of Bagheria (55387 inhabitants)
99 Km W of Caltanissetta (63360 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 2.5
ML-VAX 2.1
1996-07-12
02:18:26
37.448 12.939 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 248769
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1996-07-12 02:18:26 ± 0.745
Latitude 37.4480 ± 0.0485
Longitude 12.9390 ± 0.0187
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 248769

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) 5645.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 257
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) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00583
Epicentral distance of station farthest from the epicenter (degree) 0.00915
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitudes information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 248769
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 20:55:22

ML:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 2
Type of magnitude ML
Reference to an origin 248769
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 13:07:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.GIB.Z. 1996-07-12T02:19:03.31 10.0 undecidable manual SG 57 0.0091 0.92 0.1
--.CS9.Z. 1996-07-12T02:19:02.78 10.0 undecidable manual SG 60 0.0091 0.25 0.7
--.LVI.Z. 1996-07-12T02:18:52.65 10.0 undecidable manual SG 318 0.0064 -0.17 0.8
--.ERC.Z. 1996-07-12T02:18:49.86 10.0 undecidable manual SG 334 0.0058 -0.8 0.2
--.GIB.Z. 1996-07-12T02:18:47.50 10.0 undecidable manual PG 57 0.0091 -0.35 1.5
--.CS9.Z. 1996-07-12T02:18:47.90 10.0 undecidable manual PG 60 0.0091 -0.39 1.4
--.LVI.Z. 1996-07-12T02:18:42.24 10.0 undecidable manual PG 318 0.0064 0.37 1.6
--.ERC.Z. 1996-07-12T02:18:40.92 10.0 undecidable manual PG 334 0.0058 0.29 1.8
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