Earthquake with magnitude of Md 2.5 on date 22-06-1992 and time 13:51:18 (Italy) in region 3 km N Troina (EN)

A magnitude Md 2.5 earthquake occured in region: 3 km N Troina (EN), on

  • 22-06-1992 11:51:18 (UTC)
  • 22-06-1992 13:51:18 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.8080, 14.5930 at 20 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
Troina EN 3 9373 9373
Cerami EN 8 2006 11379
San Teodoro ME 10 1403 12782
Capizzi ME 11 3176 15958
CesarĂ² ME 11 2439 18397
Gagliano Castelferrato EN 12 3593 21990
Regalbuto EN 18 7277 29267
Agira EN 18 8345 37612
Nicosia EN 18 13899 51511
Maniace CT 20 3765 55276

Municipalities with at least 50000 inhabitants

An earthquake occurred to
55 Km W of Acireale (52622 inhabitants)
55 Km NW of Catania (314555 inhabitants)
58 Km NE of Caltanissetta (63360 inhabitants)
88 Km NE of Gela (75827 inhabitants)
95 Km W of Messina (238439 inhabitants)
96 Km N of Vittoria (63339 inhabitants)
98 Km W of Reggio di Calabria (183035 inhabitants)
99 Km N of Ragusa (73313 inhabitants)
100 Km E of Bagheria (55387 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 1.7
1992-06-22
11:51:18
37.808 14.593 20 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 168209
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1992-06-22 11:51:18 ± 0.536
Latitude 37.8080 ± 0.0445
Longitude 14.5930 ± 0.0195
Depth (km) 20 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 168209

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) 5232.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 229
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
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) 0.00130
Epicentral distance of station farthest from the epicenter (degree) 0.00696
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 1
Type of magnitude Md
Reference to an origin 168209
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:37:18

ML:1.7

Field Value
Value 1.7
Uncertainty
Num. used stations 4
Type of magnitude ML
Reference to an origin 168209
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
--.SA1.Z. 1992-06-22T11:51:46.35 10.0 undecidable manual SN 13 0.777 0.45 0.4
--.ATN.Z. 1992-06-22T11:51:44.72 10.0 undecidable manual SG 62 0.7659 -0.91 0
--.GIB.Z. 1992-06-22T11:51:35.88 10.0 undecidable manual SG 292 0.4773 -0.7 0.2
--.ATN.Z. 1992-06-22T11:51:34.66 10.0 undecidable manual PG 62 0.7659 0.35 1.2
--.SA1.Z. 1992-06-22T11:51:34.43 10.0 undecidable manual PN 13 0.777 -0.04 1.8
--.GIB.Z. 1992-06-22T11:51:29.36 10.0 undecidable manual PG 292 0.4773 0.27 1.7
--.MNO.Z. 1992-06-22T11:51:27.23 10.0 undecidable manual SG 32 0.1443 0.22 0.7
--.MNO.Z. 1992-06-22T11:51:23.43 10.0 undecidable manual PG 32 0.1443 -0.13 2
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