Earthquake with magnitude of Md 2.1 on date 26-06-1993 and time 20:42:03 (Italy) in region 3 km W Pollina (PA)

A magnitude Md 2.1 earthquake occured in region: 3 km W Pollina (PA), on

  • 26-06-1993 18:42:03 (UTC)
  • 26-06-1993 20:42:03 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.9860, 14.1170 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
Pollina PA 3 2974 2974
Castelbuono PA 6 8943 11917
San Mauro Castelverde PA 10 1701 13618
Cefalù PA 10 14393 28011
Isnello PA 11 1589 29600
Tusa ME 11 2925 32525
Gratteri PA 13 963 33488
Geraci Siculo PA 14 1945 35433
Lascari PA 15 3588 39021
Pettineo ME 16 1350 40371
Motta d'Affermo ME 16 739 41110
Collesano PA 17 4054 45164
Petralia Sottana PA 20 2821 47985

Municipalities with at least 50000 inhabitants

An earthquake occurred to
54 Km E of Bagheria (55387 inhabitants)
55 Km N of Caltanissetta (63360 inhabitants)
68 Km E of Palermo (674435 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 2.1 1993-06-26
18:42:03
37.986 14.117 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 188319
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1993-06-26 18:42:03 ± 0.222
Latitude 37.9860 ± 0.0200
Longitude 14.1170 ± 0.0163
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 188319

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) 2646.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 162
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
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) 0.00016
Epicentral distance of station farthest from the epicenter (degree) 0.00405
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitude information

Md:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 188319
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:56:55
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.MNO.Z. 1993-06-26T18:42:22.00 10.0 undecidable manual SG 96 0.444 1.03 0
--.MNO.Z. 1993-06-26T18:42:13.93 10.0 undecidable manual PG 96 0.444 0.39 0.4
--.GIB.Z. 1993-06-26T18:42:07.00 10.0 undecidable manual SG 272 0.0666 0.38 0.4
--.GIB.Z. 1993-06-26T18:42:05.36 10.0 positive manual PG 272 0.0666 0.1 2.6
--.PL9.Z. 1993-06-26T18:42:05.90 10.0 undecidable manual SG 75 0.0222 -0.21 0.5
--.CS9.Z. 1993-06-26T18:42:05.98 10.0 undecidable manual SG 216 0.0555 -0.32 0.4
--.CS9.Z. 1993-06-26T18:42:05.30 10.0 positive manual PG 216 0.0555 -0.03 2.7
--.PL9.Z. 1993-06-26T18:42:03.91 10.0 positive manual PG 75 0.0222 -0.59 1
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