Earthquake with magnitude of Md 2.1 on date 01-10-1992 and time 09:22:55 (UTC) in region 7 km S Troina (EN)

A magnitude Md 2.1 earthquake occured in region: 7 km S Troina (EN), on

  • 01-10-1992 09:22:55 (UTC)
  • 01-10-1992 10:22:55 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.7250, 14.6180 at 10 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 7 9373 9373
Gagliano Castelferrato EN 7 3593 12966
Regalbuto EN 8 7277 20243
Agira EN 11 8345 28588
Cerami EN 14 2006 30594
San Teodoro ME 16 1403 31997
CesarĂ² ME 16 2439 34436
Centuripe EN 16 5470 39906
Nissoria EN 17 3000 42906
Catenanuova EN 19 4866 47772
Capizzi ME 19 3176 50948
Nicosia EN 19 13899 64847

Municipalities with at least 50000 inhabitants

An earthquake occurred to
48 Km NW of Catania (314555 inhabitants)
50 Km W of Acireale (52622 inhabitants)
55 Km NE of Caltanissetta (63360 inhabitants)
80 Km NE of Gela (75827 inhabitants)
87 Km N of Vittoria (63339 inhabitants)
89 Km N of Ragusa (73313 inhabitants)
95 Km NW of Siracusa (122291 inhabitants)
97 Km N of Modica (54633 inhabitants)
98 Km SW of Messina (238439 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 1.8
1992-10-01
09:22:55
37.725 14.618 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 174389
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1992-10-01 09:22:55 ± 0.291
Latitude 37.7250 ± 0.0185
Longitude 14.6180 ± 0.0271
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 174389

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) 3151.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 141
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) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00194
Epicentral distance of station farthest from the epicenter (degree) 0.00712
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:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 174389
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:43:14

ML:1.8

Field Value
Value 1.8
Uncertainty
Num. used stations 2
Type of magnitude ML
Reference to an origin 174389
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
--.ATN.Z. 1992-10-01T09:23:22.00 10.0 undecidable manual SG 56 0.7881 -0.82 0.2
--.GIB.Z. 1992-10-01T09:23:13.36 10.0 undecidable manual SG 299 0.5328 -1.2 0.1
--.ATN.Z. 1992-10-01T09:23:11.00 10.0 undecidable manual PG 56 0.7881 -0.25 1.5
--.PZI.Z. 1992-10-01T09:23:09.98 10.0 undecidable manual PG 158 0.7104 0.13 1.7
--.GIB.Z. 1992-10-01T09:23:06.84 10.0 undecidable manual PG 299 0.5328 0.37 1.6
--.MNO.Z. 1992-10-01T09:23:05.21 10.0 undecidable manual SG 16 0.2109 0.93 0.2
--.MNO.Z. 1992-10-01T09:23:00.73 10.0 undecidable manual PG 16 0.2109 0.19 1.9
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