Earthquake with magnitude of Md 3.2 on date 21-08-1994 and time 12:31:56 (Italy) in region 3 km W Montevago (AG)

A magnitude Md 3.2 earthquake occured in region: 3 km W Montevago (AG), on

  • 21-08-1994 10:31:56 (UTC)
  • 21-08-1994 12:31:56 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.699, 12.96 at 6 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
Montevago AG 3 3006 3006
Santa Margherita di Belice AG 6 6363 9369
Partanna TP 7 10607 19976
Salaparuta TP 8 1696 21672
Poggioreale TP 10 1494 23166
Santa Ninfa TP 11 5043 28209
Menfi AG 11 12592 40801
Sambuca di Sicilia AG 15 5877 46678
Gibellina TP 15 4115 50793
Castelvetrano TP 15 31806 82599
Salemi TP 19 10794 93393

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km E of Mazara del Vallo (51718 inhabitants)
48 Km E of Marsala (83194 inhabitants)
53 Km SE of Trapani (68759 inhabitants)
58 Km SW of Palermo (674435 inhabitants)
64 Km SW of Bagheria (55387 inhabitants)
70 Km NW of Agrigento (59770 inhabitants)
100 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 3.2
ML-VAX 2.5
1994-08-21
10:31:56
37.699 12.96 6 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 215209
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1994-08-21 10:31:56 ± 0.373
Latitude 37.6990 ± 0.0228
Longitude 12.9600 ± 0.0321
Depth (km) 6 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 215209

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) 3799.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 133
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 26
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) 0.00113
Epicentral distance of station farthest from the epicenter (degree) 0.03181
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 20
Magnitudes information

Md:3.2

Field Value
Value 3.2
Uncertainty
Num. used stations 7
Type of magnitude Md
Reference to an origin 215209
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 20:22:59

ML:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 5
Type of magnitude ML
Reference to an origin 215209
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
--.CI9.Z. 1994-08-21T10:32:52.23 10.0 undecidable manual PN 26 0.0318 0.34 0.8
--.SGO.Z. 1994-08-21T10:32:50.67 10.0 undecidable manual PN 31 0.0304 0.86 0.5
--.CGL.Z. 1994-08-21T10:32:49.56 10.0 undecidable manual PN? 301 0.0298 0.82 0.2
--.MEU.Z. 1994-08-21T10:32:46.13 10.0 undecidable manual SN 110 0.0143 -0.05 0.6
--.CZI.Z. 1994-08-21T10:32:42.83 10.0 undecidable manual PN 57 0.0261 -0.43 0.9
--.SOI.Z. 1994-08-21T10:32:37.51 10.0 undecidable manual PN 80 0.0222 0.32 1.1
--.ATN.Z. 1994-08-21T10:32:32.38 10.0 undecidable manual PN 76 0.0182 1.28 0.4
--.MO9.Z. 1994-08-21T10:32:32.00 10.0 undecidable manual PN! 81 0.0196 -1.2 0
--.PL9.Z. 1994-08-21T10:32:31.12 10.0 undecidable manual SG 72 0.0087 0.4 0.5
--.AU9.Z. 1994-08-21T10:32:28.70 10.0 undecidable manual PN? 103 0.0166 -0.59 0.4
--.CS9.Z. 1994-08-21T10:32:27.90 10.0 undecidable manual SG 74 0.0082 -0.59 0.5
--.GIB.Z. 1994-08-21T10:32:26.67 10.0 undecidable manual SG 70 0.008 -1.21 0.2
--.MEU.Z. 1994-08-21T10:32:25.35 10.0 undecidable manual PN 110 0.0143 0.14 1.4
--.SA1.Z. 1994-08-21T10:32:25.48 10.0 undecidable manual PN 58 0.0153 -1.24 0.5
--.PZI.Z. 1994-08-21T10:32:24.60 10.0 undecidable manual PN 111 0.0153 -2.09 0.1
--.MNO.Z. 1994-08-21T10:32:23.12 10.0 undecidable manual PN 79 0.0125 0.75 1
--.FAI.Z. 1994-08-21T10:32:22.00 10.0 undecidable manual SG 126 0.0063 0 0.6
--.TU9.Z. 1994-08-21T10:32:16.85 10.0 undecidable manual PG 74 0.0091 -0.25 1.4
--.PL9.Z. 1994-08-21T10:32:16.25 10.0 positive manual PG 72 0.0087 -0.04 3
--.USI.Z. 1994-08-21T10:32:16.38 10.0 undecidable manual PG 9 0.0091 -0.76 1
--.CS9.Z. 1994-08-21T10:32:14.80 10.0 positive manual PG 74 0.0082 -0.2 2.9
--.GIB.Z. 1994-08-21T10:32:14.98 10.0 positive manual PG 70 0.008 0.33 2.7
--.FAI.Z. 1994-08-21T10:32:11.15 10.0 negative manual PG 126 0.0063 -0.11 2.9
--.MCT.Z. 1994-08-21T10:32:09.79 10.0 undecidable manual PG 98 0.0046 2.01 0.1
--.CVT.Z. 1994-08-21T10:32:04.00 10.0 undecidable manual SG 260 0.0011 1.88 0
--.CVT.Z. 1994-08-21T10:31:59.15 10.0 negative manual PG 260 0.0011 -0.63 2.2
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