Earthquake with magnitude of Md 2.1 on date 27-09-1992 and time 15:55:31 (UTC) in region 3 km NE Troina (EN)

A magnitude Md 2.1 earthquake occured in region: 3 km NE Troina (EN), on

  • 27-09-1992 15:55:31 (UTC)
  • 27-09-1992 16:55:31 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.8080, 14.6250 at 26 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
San Teodoro ME 8 1403 10776
CesarĂ² ME 9 2439 13215
Cerami EN 10 2006 15221
Gagliano Castelferrato EN 13 3593 18814
Capizzi ME 14 3176 21990
Regalbuto EN 17 7277 29267
Maniace CT 17 3765 33032
Bronte CT 19 19172 52204
Agira EN 19 8345 60549

Municipalities with at least 50000 inhabitants

An earthquake occurred to
52 Km W of Acireale (52622 inhabitants)
53 Km NW of Catania (314555 inhabitants)
61 Km NE of Caltanissetta (63360 inhabitants)
89 Km NE of Gela (75827 inhabitants)
92 Km SW of Messina (238439 inhabitants)
96 Km W of Reggio di Calabria (183035 inhabitants)
96 Km N of Vittoria (63339 inhabitants)
99 Km N of Ragusa (73313 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 2.1
ML-VAX 1.5
1992-09-27
15:55:31
37.808 14.625 26 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 174219
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1992-09-27 15:55:31 ± 0.245
Latitude 37.8080 ± 0.0280
Longitude 14.6250 ± 0.0363
Depth (km) 26 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 174219

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) 4458.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 124
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 11
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) 0.00121
Epicentral distance of station farthest from the epicenter (degree) 0.01651
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:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 174219
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:43:04

ML:1.5

Field Value
Value 1.5
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 174219
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
--.CZI.Z. 1992-09-27T15:56:00.15 10.0 undecidable manual PN 39 1.8315 -0.77 0.6
--.PZI.Z. 1992-09-27T15:55:58.61 10.0 undecidable manual SN 161 0.7881 0.92 0.3
--.ATN.Z. 1992-09-27T15:55:57.94 10.0 undecidable manual SN 61 0.7437 1.38 0.1
--.MEU.Z. 1992-09-27T15:55:56.55 10.0 undecidable manual SN 166 0.7104 0.73 0.4
--.GIB.Z. 1992-09-27T15:55:51.51 10.0 undecidable manual SG 291 0.4995 1.11 0.2
--.PZI.Z. 1992-09-27T15:55:46.45 10.0 undecidable manual PN 161 0.7881 -0.14 2
--.MEU.Z. 1992-09-27T15:55:45.12 10.0 undecidable manual PN 166 0.7104 -0.38 1.8
--.ATN.Z. 1992-09-27T15:55:45.65 10.0 undecidable manual PN 61 0.7437 -0.29 1.9
--.MNO.Z. 1992-09-27T15:55:41.50 10.0 undecidable manual SG 23 0.1332 0.75 0.4
--.GIB.Z. 1992-09-27T15:55:41.72 10.0 undecidable manual PG 291 0.4995 -0.66 1.3
--.MNO.Z. 1992-09-27T15:55:36.74 10.0 undecidable manual PG 23 0.1332 -0.07 2.1
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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