Earthquake with magnitude of Md 2.1 on date 15-05-1993 and time 16:48:31 (Italy) in region 4 km W Tusa (ME)

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

  • 15-05-1993 14:48:31 (UTC)
  • 15-05-1993 16:48:31 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.9720, 14.1920 at 5 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
Tusa ME 4 2925 2925
Pollina PA 5 2974 5899
San Mauro Castelverde PA 6 1701 7600
Pettineo ME 9 1350 8950
Motta d'Affermo ME 10 739 9689
Castelbuono PA 10 8943 18632
Geraci Siculo PA 13 1945 20577
Reitano ME 13 806 21383
Castel di Lucio ME 14 1294 22677
Santo Stefano di Camastra ME 15 4694 27371
Mistretta ME 16 4791 32162
Isnello PA 17 1589 33751
Cefalù PA 17 14393 48144
Gratteri PA 19 963 49107
Gangi PA 19 6811 55918

Municipalities with at least 50000 inhabitants

An earthquake occurred to
54 Km N of Caltanissetta (63360 inhabitants)
61 Km E of Bagheria (55387 inhabitants)
74 Km E of Palermo (674435 inhabitants)
91 Km NE of Agrigento (59770 inhabitants)
94 Km NW of Catania (314555 inhabitants)
95 Km W of Acireale (52622 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 1993-05-15
14:48:31
37.972 14.192 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 185309
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1993-05-15 14:48:31 ± 0.192
Latitude 37.9720 ± 0.0132
Longitude 14.1920 ± 0.0115
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 185309

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) 1782.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 158
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00032
Epicentral distance of station farthest from the epicenter (degree) 0.00356
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitude information

Md:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 185309
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:53:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.MNO.Z. 1993-05-15T14:48:46.00 10.0 undecidable manual SG 95 0.3996 -0.52 0
--.MNO.Z. 1993-05-15T14:48:40.36 10.0 undecidable manual PG 95 0.3996 0.35 0.3
--.GIB.Z. 1993-05-15T14:48:36.79 10.0 undecidable manual SG 277 0.1221 0.33 0.2
--.CS9.Z. 1993-05-15T14:48:35.34 10.0 undecidable manual SG 249 0.0999 -0.04 0.7
--.GIB.Z. 1993-05-15T14:48:34.80 10.0 undecidable manual PG 277 0.1221 -0.11 1.5
--.PL9.Z. 1993-05-15T14:48:33.47 10.0 undecidable manual SG 296 0.0333 -0.03 0.7
--.CS9.Z. 1993-05-15T14:48:33.44 10.0 undecidable manual PG 249 0.0999 -0.13 1.4
--.PL9.Z. 1993-05-15T14:48:32.39 10.0 positive manual PG 296 0.0333 -0.09 3.1
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download