Earthquake with magnitude of Md 2.4 on date 01-10-1991 and time 08:49:58 (UTC) in region 9 km SW Paternò (CT)

A magnitude Md 2.4 earthquake occured in region: 9 km SW Paternò (CT), on

  • 01-10-1991 08:49:58 (UTC)
  • 01-10-1991 09:49:58 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.5130, 14.8490 at 16 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
Paternò CT 9 48228 48228
Motta Sant'Anastasia CT 11 12116 60344
Santa Maria di Licodia CT 12 7641 67985
Misterbianco CT 14 49410 117395
Belpasso CT 14 28108 145503
Biancavilla CT 15 24007 169510
Catenanuova EN 15 4866 174376
Camporotondo Etneo CT 15 5023 179399
Centuripe EN 15 5470 184869
Ragalna CT 15 3924 188793
Adrano CT 17 36122 224915
San Pietro Clarenza CT 17 7743 232658
Castel di Iudica CT 18 4625 237283
Mascalucia CT 19 31958 269241
Nicolosi CT 19 7463 276704
Gravina di Catania CT 20 25838 302542
Ramacca CT 20 10894 313436

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km W of Catania (314555 inhabitants)
30 Km W of Acireale (52622 inhabitants)
64 Km NW of Siracusa (122291 inhabitants)
66 Km N of Ragusa (73313 inhabitants)
68 Km NE of Vittoria (63339 inhabitants)
69 Km E of Caltanissetta (63360 inhabitants)
73 Km NE of Gela (75827 inhabitants)
73 Km N of Modica (54633 inhabitants)
96 Km SW of Reggio di Calabria (183035 inhabitants)
98 Km SW of Messina (238439 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 1991-10-01
08:49:58
37.513 14.849 16 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 150279
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1991-10-01 08:49:58 ± 0.386
Latitude 37.5130 ± 0.0160
Longitude 14.8490 ± 0.0372
Depth (km) 16 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 150279

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) 3733.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 214
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
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) 0.00348
Epicentral distance of station farthest from the epicenter (degree) 0.00988
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:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 5
Type of magnitude Md
Reference to an origin 150279
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:20:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.SOI.Z. 1991-10-01T08:50:34.49 10.0 undecidable manual SN 59 1.0989 0.19 0.5
--.ATN.Z. 1991-10-01T08:50:25.96 10.0 undecidable manual SG 36 0.7992 -0.67 0.3
--.SOI.Z. 1991-10-01T08:50:19.12 10.0 undecidable manual PN 59 1.0989 -0.15 1.4
--.PZI.Z. 1991-10-01T08:50:17.17 10.0 undecidable manual SG 170 0.4551 1.49 0
--.ATN.Z. 1991-10-01T08:50:15.31 10.0 undecidable manual PG 36 0.7992 0.46 1.1
--.MO9.Z. 1991-10-01T08:50:15.50 10.0 undecidable manual PG 53 0.8214 0.28 1.4
--.AU9.Z. 1991-10-01T08:50:13.22 10.0 undecidable manual SG 131 0.3885 -0.24 0.7
--.PZI.Z. 1991-10-01T08:50:08.37 10.0 undecidable manual PG 170 0.4551 -0.15 1.8
--.MEU.Z. 1991-10-01T08:50:07.00 10.0 undecidable manual PG 182 0.3996 -0.4 1.3
--.AU9.Z. 1991-10-01T08:50:06.89 10.0 undecidable manual PG 131 0.3885 -0.35 1.5
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