Earthquake with magnitude of Md 2.4 on date 22-03-1993 and time 01:28:39 (UTC) in region 3 km SE Casteltermini (AG)

A magnitude Md 2.4 earthquake occured in region: 3 km SE Casteltermini (AG), on

  • 22-03-1993 01:28:39 (UTC)
  • 22-03-1993 02:28:39 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.5190, 13.6540 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
Casteltermini AG 3 8267 8267
Campofranco CL 5 3100 11367
Sutera CL 7 1410 12777
Acquaviva Platani CL 7 948 13725
Milena CL 9 3018 16743
Sant'Angelo Muxaro AG 11 1390 18133
Mussomeli CL 11 10780 28913
San Biagio Platani AG 11 3304 32217
Comitini AG 12 968 33185
Bompensiere CL 12 556 33741
San Giovanni Gemini AG 13 8056 41797
Cammarata AG 13 6355 48152
Santa Elisabetta AG 13 2474 50626
Aragona AG 13 9463 60089
Grotte AG 13 5746 65835
Racalmuto AG 14 8307 74142
Montedoro CL 16 1631 75773
Raffadali AG 17 12856 88629
Joppolo Giancaxio AG 17 1245 89874
Castronovo di Sicilia PA 18 3085 92959
Alessandria della Rocca AG 19 2988 95947
Santo Stefano Quisquina AG 19 4684 100631
Cianciana AG 19 3474 104105

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km N of Agrigento (59770 inhabitants)
36 Km W of Caltanissetta (63360 inhabitants)
64 Km S of Bagheria (55387 inhabitants)
71 Km SE of Palermo (674435 inhabitants)
73 Km NW of Gela (75827 inhabitants)
95 Km E 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
ML-VAX 2.1
1993-03-22
01:28:39
37.519 13.654 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 182259
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1993-03-22 01:28:39 ± 0.511
Latitude 37.5190 ± 0.0132
Longitude 13.6540 ± 0.0410
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 182259

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) 3900.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 278
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00478
Epicentral distance of station farthest from the epicenter (degree) 0.01141
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitudes information

Md:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 7
Type of magnitude Md
Reference to an origin 182259
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:51:02

ML:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 182259
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
--.AU9.Z. 1993-03-22T01:29:19.00 10.0 undecidable manual SN 101 1.2654 -0.96 0
--.PZI.Z. 1993-03-22T01:29:15.98 10.0 undecidable manual SN 114 1.1211 -0.54 0.2
--.MEU.Z. 1993-03-22T01:29:13.84 10.0 undecidable manual SG 113 1.0101 -0.04 0.6
--.MNO.Z. 1993-03-22T01:29:11.50 10.0 undecidable manual SG 63 0.9213 0.8 0.1
--.AU9.Z. 1993-03-22T01:29:02.59 10.0 undecidable manual PN 101 1.2654 -0.16 1.2
--.PL9.Z. 1993-03-22T01:29:01.00 10.0 undecidable manual SG 39 0.5994 0.25 0.5
--.PZI.Z. 1993-03-22T01:29:00.94 10.0 negative manual PN 114 1.1211 0.18 2.5
--.GIB.Z. 1993-03-22T01:28:59.50 10.0 undecidable manual SG 32 0.5439 0.55 0.2
--.MEU.Z. 1993-03-22T01:28:59.59 10.0 undecidable manual PG 113 1.0101 0.35 0.9
--.CS9.Z. 1993-03-22T01:28:57.28 10.0 undecidable manual SG 38 0.5328 -0.96 0
--.MNO.Z. 1993-03-22T01:28:57.50 10.0 undecidable manual PG 63 0.9213 0.1 1.5
--.PL9.Z. 1993-03-22T01:28:51.50 10.0 undecidable manual PG 39 0.5994 -0.16 1.5
--.CS9.Z. 1993-03-22T01:28:50.20 10.0 negative manual PG 38 0.5328 -0.01 3.3
--.GIB.Z. 1993-03-22T01:28:50.50 10.0 undecidable manual PG 32 0.5439 -0.12 1.5
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