Earthquake with magnitude of Md 2.2 on date 13-04-1993 and time 13:55:45 (UTC) in region 7 km SE Gangi (PA)

A magnitude Md 2.2 earthquake occured in region: 7 km SE Gangi (PA), on

  • 13-04-1993 13:55:45 (UTC)
  • 13-04-1993 15:55:45 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.7610, 14.2710 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
Gangi PA 7 6811 6811
Sperlinga EN 7 805 7616
Nicosia EN 11 13899 21515
Castel di Lucio ME 15 1294 22809
Petralia Soprana PA 15 3360 26169
Geraci Siculo PA 15 1945 28114
Bompietro PA 15 1401 29515
Alimena PA 16 2032 31547
Petralia Sottana PA 17 2821 34368
Blufi PA 17 1029 35397
Leonforte EN 17 13439 48836
San Mauro Castelverde PA 19 1701 50537
Calascibetta EN 19 4528 55065
Nissoria EN 20 3000 58065
Assoro EN 20 5191 63256

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km NE of Caltanissetta (63360 inhabitants)
76 Km SE of Bagheria (55387 inhabitants)
77 Km N of Gela (75827 inhabitants)
77 Km W of Catania (314555 inhabitants)
79 Km NE of Agrigento (59770 inhabitants)
81 Km W of Acireale (52622 inhabitants)
89 Km E of Palermo (674435 inhabitants)
93 Km N of Vittoria (63339 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 2.2
ML-VAX 1.7
1993-04-13
13:55:45
37.761 14.271 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 183389
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1993-04-13 13:55:45 ± 0.523
Latitude 37.7610 ± 0.0359
Longitude 14.2710 ± 0.0235
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 183389

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) 4498.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 255
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) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00210
Epicentral distance of station farthest from the epicenter (degree) 0.00332
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitudes information

Md:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 183389
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:52:08

ML:1.7

Field Value
Value 1.7
Uncertainty
Num. used stations 1
Type of magnitude ML
Reference to an origin 183389
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
--.GIB.Z. 1993-04-13T13:55:56.82 10.0 undecidable manual SG 319 0.2997 -0.29 0.5
--.PL9.Z. 1993-04-13T13:55:55.60 10.0 undecidable manual SG 336 0.2442 0 0.7
--.CS9.Z. 1993-04-13T13:55:54.90 10.0 undecidable manual SG 318 0.2331 -0.21 0.6
--.MNO.Z. 1993-04-13T13:55:53.50 10.0 undecidable manual PG 62 0.3663 -0.19 1.4
--.PL9.Z. 1993-04-13T13:55:52.50 10.0 undecidable manual PG 336 0.2442 1.12 0.2
--.GIB.Z. 1993-04-13T13:55:52.23 10.0 undecidable manual PG 319 0.2997 -0.02 1.8
--.CS9.Z. 1993-04-13T13:55:51.20 10.0 undecidable manual PG 318 0.2331 -0.07 1.8
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