Earthquake with magnitude of Md 2.4 on date 31-10-1994 and time 21:25:31 (UTC) in region 3 km W San Teodoro (ME)

A magnitude Md 2.4 earthquake occured in region: 3 km W San Teodoro (ME), on

  • 31-10-1994 21:25:31 (UTC)
  • 31-10-1994 22:25:31 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.8450, 14.6660 at 25 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
San Teodoro ME 3 1403 1403
CesarĂ² ME 4 2439 3842
Troina EN 9 9373 13215
Maniace CT 13 3765 16980
Cerami EN 14 2006 18986
Bronte CT 16 19172 38158
Capizzi ME 16 3176 41334
Maletto CT 18 3920 45254
Gagliano Castelferrato EN 19 3593 48847
San Fratello ME 20 3707 52554
Alcara li Fusi ME 20 1980 54534

Municipalities with at least 50000 inhabitants

An earthquake occurred to
51 Km NW of Acireale (52622 inhabitants)
53 Km NW of Catania (314555 inhabitants)
66 Km NE of Caltanissetta (63360 inhabitants)
87 Km W of Messina (238439 inhabitants)
91 Km W of Reggio di Calabria (183035 inhabitants)
94 Km NE of Gela (75827 inhabitants)
100 Km N of Vittoria (63339 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 2.4 1994-10-31
21:25:31
37.845 14.666 25 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 218889
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1994-10-31 21:25:31 ± 0.213
Latitude 37.8450 ± 0.0203
Longitude 14.6660 ± 0.0275
Depth (km) 25 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 218889

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) 3306.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 116
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00081
Epicentral distance of station farthest from the epicenter (degree) 0.01603
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

Md:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 5
Type of magnitude Md
Reference to an origin 218889
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 20:26:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.SOI.Z. 1994-10-31T21:26:07.10 10.0 undecidable manual SN 77 1.11 1.45 0
--.CZI.Z. 1994-10-31T21:26:00.60 10.0 undecidable manual PN 39 1.776 -0.4 0.8
--.PZI.Z. 1994-10-31T21:25:59.52 10.0 undecidable manual SN 164 0.8214 0.97 0.2
--.ATN.Z. 1994-10-31T21:25:57.65 10.0 undecidable manual SN 63 0.6882 1.91 0
--.MEU.Z. 1994-10-31T21:25:57.34 10.0 undecidable manual SN 169 0.7326 0.57 0.4
--.SA1.Z. 1994-10-31T21:25:56.84 10.0 undecidable manual SN 10 0.7326 0.43 0.5
--.SOI.Z. 1994-10-31T21:25:51.63 10.0 undecidable manual PN 77 1.11 0.39 1.1
--.GIB.Z. 1994-10-31T21:25:50.92 10.0 undecidable manual SG 286 0.5217 -0.14 0.7
--.PL9.Z. 1994-10-31T21:25:49.26 10.0 undecidable manual SG 289 0.4329 0.8 0.3
--.PZI.Z. 1994-10-31T21:25:46.83 10.0 positive manual PN 164 0.8214 -0.32 2.7
--.MEU.Z. 1994-10-31T21:25:45.98 10.0 negative manual PN 169 0.7326 -0.14 3.2
--.SA1.Z. 1994-10-31T21:25:45.00 10.0 undecidable manual PN 10 0.7326 -0.91 0.6
--.ATN.Z. 1994-10-31T21:25:44.44 10.0 undecidable manual PN 63 0.6882 -1.09 0.4
--.GIB.Z. 1994-10-31T21:25:42.78 10.0 undecidable manual PG 286 0.5217 -0.04 1.7
--.PL9.Z. 1994-10-31T21:25:41.94 10.0 undecidable manual PG 289 0.4329 0.62 1.1
--.MNO.Z. 1994-10-31T21:25:41.90 10.0 undecidable manual SG 14 0.0888 1.02 0.2
--.MNO.Z. 1994-10-31T21:25:36.17 10.0 positive manual PG 14 0.0888 -0.31 3
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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