Earthquake with magnitude of Md 2.2 on date 27-06-1993 and time 06:52:38 (Italy) in region 4 km E Isnello (PA)

A magnitude Md 2.2 earthquake occured in region: 4 km E Isnello (PA), on

  • 27-06-1993 04:52:38 (UTC)
  • 27-06-1993 06:52:38 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.9600, 14.0500 at 15 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
Isnello PA 4 1589 1589
Castelbuono PA 4 8943 10532
Gratteri PA 7 963 11495
Cefalù PA 9 14393 25888
Pollina PA 9 2974 28862
Lascari PA 11 3588 32450
Collesano PA 11 4054 36504
San Mauro Castelverde PA 13 1701 38205
Geraci Siculo PA 14 1945 40150
Campofelice di Roccella PA 15 7537 47687
Tusa ME 17 2925 50612
Polizzi Generosa PA 17 3407 54019
Scillato PA 17 613 54632
Petralia Sottana PA 17 2821 57453
Petralia Soprana PA 19 3360 60813
Castellana Sicula PA 20 3411 64224

Municipalities with at least 50000 inhabitants

An earthquake occurred to
49 Km E of Bagheria (55387 inhabitants)
52 Km N of Caltanissetta (63360 inhabitants)
63 Km E of Palermo (674435 inhabitants)
83 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 2.2 1993-06-27
04:52:38
37.96 14.05 15 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 188599
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1993-06-27 04:52:38 ± 0.364
Latitude 37.9600 ± 0.0296
Longitude 14.0500 ± 0.0303
Depth (km) 15 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 188599

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) 4229.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 184
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) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00024
Epicentral distance of station farthest from the epicenter (degree) 0.01012
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

Md:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 188599
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:57:10
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.ATN.Z. 1993-06-27T04:52:59.28 10.0 positive manual PN 79 1.1211 -0.15 1.6
--.MNO.Z. 1993-06-27T04:52:57.00 10.0 undecidable manual SG 92 0.4995 0.24 0.5
--.SA1.Z. 1993-06-27T04:52:55.50 10.0 undecidable manual PG 45 0.8547 0.01 1
--.MNO.Z. 1993-06-27T04:52:49.56 10.0 undecidable manual PG 92 0.4995 0.55 0.5
--.GIB.Z. 1993-06-27T04:52:44.10 10.0 undecidable manual SG 328 0.0222 0.57 0.2
--.CS9.Z. 1993-06-27T04:52:42.70 10.0 undecidable manual SG 143 0.0222 -0.68 0.1
--.GIB.Z. 1993-06-27T04:52:41.58 10.0 undecidable manual PG 328 0.0222 0.26 1.4
--.PL9.Z. 1993-06-27T04:52:41.00 10.0 undecidable manual PG 66 0.0666 -0.69 0.3
--.CS9.Z. 1993-06-27T04:52:41.34 10.0 positive manual PG 143 0.0222 0.05 3.5
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