Earthquake with magnitude of Md 2.4 on date 12-07-1988 and time 09:34:23 (Italy) in region Costa Siciliana centro settentrionale (Palermo)

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

  • 12-07-1988 07:34:23 (UTC)
  • 12-07-1988 09:34:23 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.0550, 13.9710 at 11 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
Cefalù PA 5 14393 14393
Lascari PA 7 3588 17981
Gratteri PA 10 963 18944
Campofelice di Roccella PA 10 7537 26481
Isnello PA 13 1589 28070
Collesano PA 15 4054 32124
Pollina PA 17 2974 35098
Castelbuono PA 17 8943 44041

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km E of Bagheria (55387 inhabitants)
54 Km E of Palermo (674435 inhabitants)
63 Km N of Caltanissetta (63360 inhabitants)
89 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 1.5
1988-07-12
07:34:23
38.055 13.971 11 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 73199
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1988-07-12 07:34:23 ± 0.382
Latitude 38.0550 ± 0.0325
Longitude 13.9710 ± 0.0177
Depth (km) 11 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 73199

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) 3931.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 231
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) 0.00065
Epicentral distance of station farthest from the epicenter (degree) 0.01052
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 4
Type of magnitude Md
Reference to an origin 73199
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:09:12

ML:1.5

Field Value
Value 1.5
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 73199
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
--.ATN.Z. 1988-07-12T07:34:46.17 10.0 undecidable manual PN 84 1.1655 0.28 0.6
--.MNO.Z. 1988-07-12T07:34:44.27 10.0 undecidable manual SG 101 0.5772 -0.1 0.6
--.MCT.Z. 1988-07-12T07:34:42.88 10.0 undecidable manual SG 213 0.5217 0.44 0.2
--.MNO.Z. 1988-07-12T07:34:35.36 10.0 undecidable manual PG 101 0.5772 -0.3 0.9
--.MCT.Z. 1988-07-12T07:34:34.15 10.0 undecidable manual PG 213 0.5217 -0.4 0.6
--.GIB.Z. 1988-07-12T07:34:28.53 10.0 undecidable manual SG 146 0.0666 0 0.7
--.GIB.Z. 1988-07-12T07:34:26.66 10.0 positive manual PG 146 0.0666 0.14 3.2
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