Earthquake with magnitude of Md 2.3 on date 22-03-2004 and time 09:47:37 (Italy) in region 3 km E Gagliano Castelferrato (EN)

A magnitude Md 2.3 earthquake occured in region: 3 km E Gagliano Castelferrato (EN), on

  • 22-03-2004 08:47:37 (UTC)
  • 22-03-2004 09:47:37 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.7160, 14.5650 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
Gagliano Castelferrato EN 3 3593 3593
Agira EN 7 8345 11938
Troina EN 8 9373 21311
Regalbuto EN 10 7277 28588
Cerami EN 12 2006 30594
Nissoria EN 12 3000 33594
Nicosia EN 15 13899 47493
Assoro EN 16 5191 52684
Capizzi ME 17 3176 55860
Leonforte EN 17 13439 69299
Centuripe EN 19 5470 74769
San Teodoro ME 19 1403 76172
CesarĂ² ME 19 2439 78611
Sperlinga EN 19 805 79416
Catenanuova EN 20 4866 84282

Municipalities with at least 50000 inhabitants

An earthquake occurred to
51 Km NE of Caltanissetta (63360 inhabitants)
52 Km W of Catania (314555 inhabitants)
54 Km W of Acireale (52622 inhabitants)
77 Km NE of Gela (75827 inhabitants)
85 Km N of Vittoria (63339 inhabitants)
89 Km N of Ragusa (73313 inhabitants)
97 Km N of Modica (54633 inhabitants)
97 Km NW of Siracusa (122291 inhabitants)
98 Km E of Agrigento (59770 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 2.0
2004-03-22
08:47:37
37.716 14.565 21 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 495249
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2004-03-22 08:47:37 ± 0.256
Latitude 37.7160 ± 0.0182
Longitude 14.5650 ± 0.0214
Depth (km) 21 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 495249

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) 2761.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 143
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) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00210
Epicentral distance of station farthest from the epicenter (degree) 0.01101
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 4
Type of magnitude Md
Reference to an origin 495249
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 00:52:58

ML:2.0

Field Value
Value 2.0
Uncertainty
Num. used stations 4
Type of magnitude ML
Reference to an origin 495249
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. 2004-03-22T08:48:16.16 10.0 undecidable manual SN 72 1.221 0.96 0.1
--.PZI.Z. 2004-03-22T08:48:04.57 10.0 undecidable manual SG 155 0.7215 1.5 0
--.AGST.Z. 2004-03-22T08:48:01.78 10.0 undecidable manual SG 131 0.6882 -0.36 0.5
--.SOI.Z. 2004-03-22T08:47:58.94 10.0 undecidable manual PN 72 1.221 -0.36 0.9
--.GIB.E. 2004-03-22T08:47:56.70 10.0 undecidable manual SG 302 0.4995 0.57 0.4
--.PZI.Z. 2004-03-22T08:47:52.39 10.0 undecidable manual PG 155 0.7215 0.09 1.6
--.AGST.Z. 2004-03-22T08:47:50.99 10.0 undecidable manual PG 131 0.6882 -0.78 0.6
--.MNO.Z. 2004-03-22T08:47:48.82 10.0 undecidable manual SG 25 0.2331 0.62 0.3
--.GIB.Z. 2004-03-22T08:47:48.18 10.0 undecidable manual PG 302 0.4995 -0.12 1.7
--.CSLB.Z. 2004-03-22T08:47:47.13 10.0 undecidable manual PG 299 0.444 -0.3 1.4
--.MNO.Z. 2004-03-22T08:47:43.68 10.0 positive manual PG 25 0.2331 -0.04 3.4
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