Earthquake with magnitude of Md 2.4 on date 29-07-1993 and time 02:18:45 (UTC) in region Costa Siciliana centro settentrionale (Palermo)

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

  • 29-07-1993 02:18:45 (UTC)
  • 29-07-1993 04:18:45 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.0190, 14.1130 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
Pollina PA 4 2974 2974
Cefalù PA 8 14393 17367
Castelbuono PA 10 8943 26310
Tusa ME 12 2925 29235
Isnello PA 12 1589 30824
San Mauro Castelverde PA 13 1701 32525
Gratteri PA 13 963 33488
Lascari PA 15 3588 37076
Pettineo ME 17 1350 38426
Motta d'Affermo ME 17 739 39165
Geraci Siculo PA 18 1945 41110
Collesano PA 19 4054 45164

Municipalities with at least 50000 inhabitants

An earthquake occurred to
53 Km E of Bagheria (55387 inhabitants)
59 Km N of Caltanissetta (63360 inhabitants)
67 Km E of Palermo (674435 inhabitants)
91 Km NE 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 2.4
ML-VAX 1.8
1993-07-29
02:18:45
38.019 14.113 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 192419
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1993-07-29 02:18:45 ± 0.264
Latitude 38.0190 ± 0.0149
Longitude 14.1130 ± 0.0227
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 192419

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) 2592.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 111
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 7
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) 0.00073
Epicentral distance of station farthest from the epicenter (degree) 0.01376
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitudes information

Md:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 5
Type of magnitude Md
Reference to an origin 192419
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 20:00:47

ML:1.8

Field Value
Value 1.8
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 192419
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. 1993-07-29T02:19:14.75 10.0 undecidable manual PN 87 1.5318 1.24 0.3
--.USI.Z. 1993-07-29T02:19:05.34 10.0 undecidable manual PG 313 0.999 -0.63 0.9
--.SA1.Z. 1993-07-29T02:19:02.15 10.0 undecidable manual PG 45 0.777 0.29 1.6
--.TU9.Z. 1993-07-29T02:18:49.17 10.0 undecidable manual SG 125 0.0888 -0.59 0.3
--.CS9.Z. 1993-07-29T02:18:49.52 10.0 undecidable manual SG 201 0.0777 0.04 0.8
--.CS9.Z. 1993-07-29T02:18:48.13 10.0 undecidable manual PG 201 0.0777 0.26 1.8
--.TU9.Z. 1993-07-29T02:18:47.59 10.0 undecidable manual PG 125 0.0888 -0.44 1.3
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