Earthquake with magnitude of Md 2.3 on date 12-06-1992 and time 07:55:08 (Italy) in region 6 km NW Augusta (SR)

A magnitude Md 2.3 earthquake occured in region: 6 km NW Augusta (SR), on

  • 12-06-1992 05:55:08 (UTC)
  • 12-06-1992 07:55:08 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.2810, 15.1820 at 21 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 6 36305 36305
Melilli SR 12 13621 49926
Priolo Gargallo SR 13 12091 62017
Carlentini SR 15 17798 79815
Lentini SR 16 24085 103900
Sortino SR 19 8690 112590

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km SE of Catania (314555 inhabitants)
26 Km NW of Siracusa (122291 inhabitants)
37 Km S of Acireale (52622 inhabitants)
56 Km NE of Ragusa (73313 inhabitants)
60 Km NE of Modica (54633 inhabitants)
68 Km NE of Vittoria (63339 inhabitants)
86 Km E of Gela (75827 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 1.9
1992-06-12
05:55:08
37.281 15.182 21 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 167099
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1992-06-12 05:55:08 ± 0.27
Latitude 37.2810 ± 0.0431
Longitude 15.1820 ± 0.0453
Depth (km) 21 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 167099

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) 6245.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 90
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00032
Epicentral distance of station farthest from the epicenter (degree) 0.00939
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitudes information

Md:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 167099
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:36:17

ML:1.9

Field Value
Value 1.9
Uncertainty
Num. used stations 4
Type of magnitude ML
Reference to an origin 167099
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. 1992-06-12T05:55:42.78 10.0 undecidable manual SN 40 1.0434 0.57 0.3
--.ATN.Z. 1992-06-12T05:55:37.47 10.0 undecidable manual SN 14 0.8991 -1.26 0
--.MNO.Z. 1992-06-12T05:55:35.00 10.0 undecidable manual SN 329 0.7548 -0.24 0.5
--.SOI.Z. 1992-06-12T05:55:27.41 10.0 undecidable manual PN 40 1.0434 -0.68 0.6
--.ATN.Z. 1992-06-12T05:55:26.23 10.0 undecidable manual PN 14 0.8991 0.14 1.3
--.MNO.Z. 1992-06-12T05:55:25.00 10.0 undecidable manual PN 329 0.7548 0.93 0.4
--.PZI.Z. 1992-06-12T05:55:21.50 10.0 undecidable manual SG 219 0.2886 0.13 0.7
--.MEU.Z. 1992-06-12T05:55:20.79 10.0 undecidable manual SG 238 0.3219 -1.14 0.1
--.MEU.Z. 1992-06-12T05:55:16.21 10.0 undecidable manual PG 238 0.3219 -0.18 1.6
--.PZI.Z. 1992-06-12T05:55:15.95 10.0 positive manual PG 219 0.2886 0.14 3.3
--.AU9.Z. 1992-06-12T05:55:14.74 10.0 undecidable manual SG 131 0.0333 -0.78 0.3
--.AU9.Z. 1992-06-12T05:55:12.98 10.0 positive manual PG 131 0.0333 0.29 3
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