Earthquake with magnitude of Md 2.4 on date 09-10-1997 and time 19:24:24 (Italy) in region 3 km NW Castelbuono (PA)

A magnitude Md 2.4 earthquake occured in region: 3 km NW Castelbuono (PA), on

  • 09-10-1997 17:24:24 (UTC)
  • 09-10-1997 19:24:24 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.9590, 14.0680 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
Castelbuono PA 3 8943 8943
Isnello PA 6 1589 10532
Pollina PA 8 2974 13506
Gratteri PA 8 963 14469
Cefalù PA 10 14393 28862
San Mauro Castelverde PA 12 1701 30563
Lascari PA 12 3588 34151
Collesano PA 12 4054 38205
Geraci Siculo PA 13 1945 40150
Tusa ME 15 2925 43075
Campofelice di Roccella PA 16 7537 50612
Petralia Sottana PA 17 2821 53433
Polizzi Generosa PA 17 3407 56840
Scillato PA 18 613 57453
Petralia Soprana PA 18 3360 60813
Pettineo ME 20 1350 62163
Castellana Sicula PA 20 3411 65574

Municipalities with at least 50000 inhabitants

An earthquake occurred to
51 Km E of Bagheria (55387 inhabitants)
52 Km N of Caltanissetta (63360 inhabitants)
64 Km E of Palermo (674435 inhabitants)
84 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
1997-10-09
17:24:24
37.959 14.068 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 294559
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-10-09 17:24:24 ± 0.117
Latitude 37.9590 ± 0.0102
Longitude 14.0680 ± 0.0154
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 294559

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) 1760.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 140
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) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00016
Epicentral distance of station farthest from the epicenter (degree) 0.01408
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:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 294559
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:37:09

ML:1.8

Field Value
Value 1.8
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 294559
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
--.SA1.Z. 1997-10-09T17:24:53.75 10.0 undecidable manual SG 44 0.8436 -0.46 0.1
--.SOI.Z. 1997-10-09T17:24:52.88 10.0 undecidable manual PN 85 1.5651 0.48 0.1
--.SA1.Z. 1997-10-09T17:24:41.39 10.0 undecidable manual PG 44 0.8436 -0.07 1
--.GIB.Z. 1997-10-09T17:24:26.78 10.0 undecidable manual SG 313 0.0333 0.32 0.3
--.CS9.Z. 1997-10-09T17:24:25.00 10.0 positive manual PG 172 0.0222 -0.14 2.5
--.GIB.Z. 1997-10-09T17:24:25.30 10.0 negative manual PG 313 0.0333 -0.13 2.6
--.CS9.Z. 1997-10-09T17:24:25.76 10.0 undecidable manual SG 172 0.0222 -0.2 0.4
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