Earthquake with magnitude of Md 2.5 on date 27-04-1992 and time 00:58:20 (UTC) in region 5 km NE Partanna (TP)

A magnitude Md 2.5 earthquake occured in region: 5 km NE Partanna (TP), on

  • 27-04-1992 00:58:20 (UTC)
  • 27-04-1992 02:58:20 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.7530, 12.9320 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
Partanna TP 5 10607 10607
Santa Ninfa TP 5 5043 15650
Salaparuta TP 7 1696 17346
Montevago AG 8 3006 20352
Gibellina TP 8 4115 24467
Poggioreale TP 9 1494 25961
Santa Margherita di Belice AG 11 6363 32324
Salemi TP 13 10794 43118
Castelvetrano TP 15 31806 74924
Vita TP 17 2056 76980
Menfi AG 17 12592 89572
Calatafimi-Segesta TP 19 6712 96284
Sambuca di Sicilia AG 20 5877 102161

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km E of Mazara del Vallo (51718 inhabitants)
44 Km E of Marsala (83194 inhabitants)
47 Km SE of Trapani (68759 inhabitants)
55 Km SW of Palermo (674435 inhabitants)
63 Km SW of Bagheria (55387 inhabitants)
76 Km NW of Agrigento (59770 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 2.0
1992-04-27
00:58:20
37.753 12.932 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 163199
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1992-04-27 00:58:20 ± 0.326
Latitude 37.7530 ± 0.0214
Longitude 12.9320 ± 0.0259
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 163199

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) 3298.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 161
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) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00113
Epicentral distance of station farthest from the epicenter (degree) 0.00874
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 163199
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:32:31

ML:2.0

Field Value
Value 2.0
Uncertainty
Num. used stations 2
Type of magnitude ML
Reference to an origin 163199
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(km) Takeoff_angle Residual Weight
--.GIB.Z. 1992-04-27T00:58:53.69 10.0 undecidable manual SG 74 0.888 1.29 0
--.LVI.Z. 1992-04-27T00:58:41.90 10.0 undecidable manual SG 296 0.5217 0.62 0.2
--.USI.Z. 1992-04-27T00:58:40.21 10.0 undecidable manual PG 11 0.9657 -0.32 0.9
--.GIB.Z. 1992-04-27T00:58:38.56 10.0 undecidable manual PG 74 0.888 -0.48 0.7
--.LVI.Z. 1992-04-27T00:58:32.14 10.0 undecidable manual PG 296 0.5217 -0.01 1.6
--.CVT.Z. 1992-04-27T00:58:25.92 10.0 undecidable manual SG 235 0.1221 -0.31 0.5
--.CVT.Z. 1992-04-27T00:58:24.20 10.0 positive manual PG 235 0.1221 0.09 3.1
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