Earthquake with magnitude of Md 2.3 on date 24-03-1992 and time 10:30:45 (Italy) in region Costa Siracusana (Siracusa)

A magnitude Md 2.3 earthquake occured in region: Costa Siracusana (Siracusa), on

  • 24-03-1992 09:30:45 (UTC)
  • 24-03-1992 10:30:45 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.2100, 15.3890 at 24 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
Augusta SR 15 36305 36305
Siracusa SR 19 122291 158596
Priolo Gargallo SR 19 12091 170687

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km NE of Siracusa (122291 inhabitants)
42 Km SE of Catania (314555 inhabitants)
49 Km SE of Acireale (52622 inhabitants)
66 Km NE of Ragusa (73313 inhabitants)
68 Km NE of Modica (54633 inhabitants)
81 Km E of Vittoria (63339 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
ML-VAX 2.2
1992-03-24
09:30:45
37.21 15.389 24 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 161209
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1992-03-24 09:30:45 ± 0.676
Latitude 37.2100 ± 0.0548
Longitude 15.3890 ± 0.0876
Depth (km) 24 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 161209

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) 9866.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 215
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
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) 0.00121
Epicentral distance of station farthest from the epicenter (degree) 0.00907
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitudes information

Md:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 161209
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:30:39

ML:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 161209
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
--.SOI.Z. 1992-03-24T09:31:17.20 10.0 undecidable manual SN 31 1.0101 -0.27 0.4
--.ATN.Z. 1992-03-24T09:31:16.80 10.0 undecidable manual SN 3 0.9435 0.79 0.1
--.SOI.Z. 1992-03-24T09:31:04.13 10.0 undecidable manual PN 31 1.0101 0.08 1.1
--.ATN.Z. 1992-03-24T09:31:02.95 10.0 undecidable manual PN 3 0.9435 -0.26 0.9
--.PZI.Z. 1992-03-24T09:31:02.37 10.0 undecidable manual SG 246 0.3774 1.46 0
--.MEU.Z. 1992-03-24T09:31:02.80 10.0 undecidable manual SG 257 0.444 -0.94 0.1
--.MEU.Z. 1992-03-24T09:30:55.41 10.0 undecidable manual PG 257 0.444 -0.29 1.2
--.AU9.Z. 1992-03-24T09:30:54.56 10.0 undecidable manual SG 288 0.1332 -0.14 0.6
--.PZI.Z. 1992-03-24T09:30:54.45 10.0 positive manual PG 246 0.3774 -0.03 2.9
--.AU9.Z. 1992-03-24T09:30:50.98 10.0 positive manual PG 288 0.1332 0.08 2.9
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