Earthquake with magnitude of Md 2.9 on date 07-08-1992 and time 12:02:57 (Italy) in region Costa Agrigentina (Agrigento)

A magnitude Md 2.9 earthquake occured in region: Costa Agrigentina (Agrigento), on

  • 07-08-1992 10:02:57 (UTC)
  • 07-08-1992 12:02:57 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.356, 13.165 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
Montallegro AG 17 2519 2519
Sciacca AG 19 40928 43447
Ribera AG 19 19232 62679

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km W of Agrigento (59770 inhabitants)
61 Km SE of Mazara del Vallo (51718 inhabitants)
81 Km W of Caltanissetta (63360 inhabitants)
81 Km SE of Marsala (83194 inhabitants)
86 Km SW of Bagheria (55387 inhabitants)
86 Km S of Palermo (674435 inhabitants)
93 Km SE of Trapani (68759 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 2.9
ML-VAX 2.1
1992-08-07
10:02:57
37.356 13.165 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 171209
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1992-08-07 10:02:57 ± 0.529
Latitude 37.3560 ± 0.0427
Longitude 13.1650 ± 0.0269
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 171209

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) 5311.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 212
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.8
Epicentral distance of station closest to the epicenter (degree) 0.00364
Epicentral distance of station farthest from the epicenter (degree) 0.02153
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitudes information

Md:2.9

Field Value
Value 2.9
Uncertainty
Num. used stations 6
Type of magnitude Md
Reference to an origin 171209
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:40:04

ML:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 8
Type of magnitude ML
Reference to an origin 171209
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
--.AU9.Z. 1992-08-07T10:03:47.75 10.0 undecidable manual SN 92 0.0147 -0.22 0.6
--.PZI.Z. 1992-08-07T10:03:43.80 10.0 undecidable manual SN 101 0.013 0.3 0.7
--.SOI.Z. 1992-08-07T10:03:38.13 10.0 undecidable manual PN 71 0.0215 1.23 0.6
--.ATN.Z. 1992-08-07T10:03:30.98 10.0 undecidable manual PN 65 0.0178 -0.29 1.4
--.GIB.Z. 1992-08-07T10:03:29.24 10.0 undecidable manual SG 46 0.0083 -0.68 0.5
--.LVI.Z. 1992-08-07T10:03:28.29 10.0 undecidable manual SG 313 0.0082 -0.93 0.5
--.AU9.Z. 1992-08-07T10:03:25.29 10.0 undecidable manual PN 92 0.0147 -1.22 0.8
--.MNO.Z. 1992-08-07T10:03:22.71 10.0 undecidable manual PN 63 0.0121 0.27 1.8
--.PZI.Z. 1992-08-07T10:03:22.60 10.0 undecidable manual PN 101 0.013 -1.87 0.4
--.GIB.Z. 1992-08-07T10:03:15.30 10.0 undecidable manual PG 46 0.0083 -0.79 1.3
--.LVI.Z. 1992-08-07T10:03:15.99 10.0 undecidable manual PG 313 0.0082 0.3 1.8
--.ERC.Z. 1992-08-07T10:03:14.88 10.0 undecidable manual PG 326 0.0074 0.84 1.3
--.CVT.Z. 1992-08-07T10:03:14.76 10.0 undecidable manual SG 317 0.0039 0.66 0.6
--.FAI.Z. 1992-08-07T10:03:07.93 10.0 undecidable manual PG 101 0.0036 1.56 0.5
--.MCT.Z. 1992-08-07T10:03:07.77 10.0 undecidable manual PG 52 0.0039 0.78 1.6
--.CVT.Z. 1992-08-07T10:03:06.13 10.0 undecidable manual PG 317 0.0039 -0.82 1.5
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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