Earthquake with magnitude of Md 2.1 on date 20-04-1994 and time 23:59:31 (Italy) in region 4 km S Cesarò (ME)

A magnitude Md 2.1 earthquake occured in region: 4 km S Cesarò (ME), on

  • 20-04-1994 21:59:31 (UTC)
  • 20-04-1994 23:59:31 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.8080, 14.6990 at 23 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
Cesarò ME 4 2439 2439
San Teodoro ME 5 1403 3842
Troina EN 9 9373 13215
Maniace CT 11 3765 16980
Bronte CT 12 19172 36152
Maletto CT 15 3920 40072
Cerami EN 17 2006 42078
Regalbuto EN 18 7277 49355
Gagliano Castelferrato EN 18 3593 52948
Capizzi ME 20 3176 56124
Adrano CT 20 36122 92246

Municipalities with at least 50000 inhabitants

An earthquake occurred to
47 Km NW of Acireale (52622 inhabitants)
48 Km NW of Catania (314555 inhabitants)
66 Km NE of Caltanissetta (63360 inhabitants)
87 Km SW of Messina (238439 inhabitants)
89 Km W of Reggio di Calabria (183035 inhabitants)
91 Km NE of Gela (75827 inhabitants)
97 Km N of Vittoria (63339 inhabitants)
98 Km N of Ragusa (73313 inhabitants)
98 Km NW of Siracusa (122291 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 1994-04-20
21:59:31
37.808 14.699 23 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 208049
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1994-04-20 21:59:31 ± 0.189
Latitude 37.8080 ± 0.0176
Longitude 14.6990 ± 0.0407
Depth (km) 23 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 208049

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) 4071.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 186
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 9
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) 0.00105
Epicentral distance of station farthest from the epicenter (degree) 0.01619
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

Md:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 208049
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 20:16:00
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.CZI.Z. 1994-04-20T22:00:00.70 10.0 undecidable manual PN 38 1.7982 -0.47 0.4
--.MEU.Z. 1994-04-20T21:59:56.33 10.0 undecidable manual SN 171 0.6993 0.43 0.3
--.SOI.Z. 1994-04-20T21:59:51.30 10.0 negative manual PN 75 1.0989 0.11 2.3
--.SA1.Z. 1994-04-20T21:59:46.65 10.0 undecidable manual PN 7 0.7548 0.38 0.8
--.MO9.Z. 1994-04-20T21:59:46.43 10.0 undecidable manual PN 75 0.7992 -0.47 0.6
--.ATN.Z. 1994-04-20T21:59:45.81 10.0 undecidable manual PN 59 0.6882 0.45 0.6
--.MEU.Z. 1994-04-20T21:59:45.37 10.0 undecidable manual PN 171 0.6993 -0.1 1.5
--.MNO.Z. 1994-04-20T21:59:40.20 10.0 undecidable manual SG 358 0.1221 0.54 0.2
--.MNO.Z. 1994-04-20T21:59:35.88 10.0 positive manual PG 358 0.1221 -0.21 2.5
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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