Earthquake with magnitude of Md 2.4 on date 02-04-1993 and time 13:26:38 (Italy) in region Costa Siciliana centro settentrionale (Palermo)

A magnitude Md 2.4 earthquake occured in region: Costa Siciliana centro settentrionale (Palermo), on

  • 02-04-1993 11:26:38 (UTC)
  • 02-04-1993 13:26:38 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.1800, 13.0180 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
Terrasini PA 6 12320 12320
Cinisi PA 9 12418 24738
Trappeto PA 13 3174 27912
Balestrate PA 14 6436 34348
Carini PA 15 38455 72803
Giardinello PA 16 2337 75140
Partinico PA 17 32079 107219
Montelepre PA 17 6280 113499
Borgetto PA 18 7419 120918
Capaci PA 19 11446 132364
Torretta PA 20 4358 136722

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km W of Palermo (674435 inhabitants)
45 Km W of Bagheria (55387 inhabitants)
48 Km E of Trapani (68759 inhabitants)
66 Km NE of Marsala (83194 inhabitants)
70 Km NE of Mazara del Vallo (51718 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 1993-04-02
11:26:38
38.18 13.018 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 182849
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1993-04-02 11:26:38 ± 0.484
Latitude 38.1800 ± 0.0411
Longitude 13.0180 ± 0.0212
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 182849

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) 4930.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 214
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) 0.6
Epicentral distance of station closest to the epicenter (degree) 0.00324
Epicentral distance of station farthest from the epicenter (degree) 0.00809
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

Md:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 182849
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:51:36
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.PL9.Z. 1993-04-02T11:27:08.00 10.0 undecidable manual SG 101 0.8991 -1.11 0.2
--.CS9.Z. 1993-04-02T11:27:06.50 10.0 undecidable manual SG 105 0.8658 -1.27 0.2
--.CVT.Z. 1993-04-02T11:26:56.59 10.0 undecidable manual SG 199 0.5328 -0.54 0.7
--.PL9.Z. 1993-04-02T11:26:56.00 10.0 undecidable manual PG 101 0.8991 -0.02 1.9
--.CS9.Z. 1993-04-02T11:26:55.63 10.0 undecidable manual PG 105 0.8658 0.38 1.7
--.GIB.Z. 1993-04-02T11:26:55.60 10.0 undecidable manual PG 102 0.8103 0.69 1.2
--.ERC.Z. 1993-04-02T11:26:51.75 10.0 undecidable manual SG 246 0.3552 -0.11 0.9
--.CVT.Z. 1993-04-02T11:26:50.00 10.0 undecidable manual PG 199 0.5328 0.89 1
--.ERC.Z. 1993-04-02T11:26:45.31 10.0 undecidable manual PG 246 0.3552 -0.75 1.2
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