Earthquake with magnitude of Md 2.3 on date 10-10-1993 and time 11:12:04 (Italy) in region 2 km SW Roccella Valdemone (ME)

A magnitude Md 2.3 earthquake occured in region: 2 km SW Roccella Valdemone (ME), on

  • 10-10-1993 10:12:04 (UTC)
  • 10-10-1993 11:12:04 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.9200, 14.9910 at 17 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
Roccella Valdemone ME 2 666 666
Santa Domenica Vittoria ME 3 980 1646
Malvagna ME 6 733 2379
Moio Alcantara ME 6 717 3096
Randazzo CT 6 10900 13996
Floresta ME 10 485 14481
Montalbano Elicona ME 12 2287 16768
Castiglione di Sicilia CT 12 3215 19983
Francavilla di Sicilia ME 13 3945 23928
Maletto CT 15 3920 27848
San Piero Patti ME 15 2915 30763
Linguaglossa CT 16 5403 36166
Motta Camastra ME 16 845 37011
Novara di Sicilia ME 17 1337 38348
Raccuja ME 17 1041 39389
Ucria ME 17 1058 40447
Basicò ME 17 612 41059
Maniace CT 17 3765 44824
Tripi ME 17 873 45697
Fondachelli-Fantina ME 18 1019 46716
Tortorici ME 19 6435 53151
Librizzi ME 20 1660 54811

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km NW of Acireale (52622 inhabitants)
47 Km N of Catania (314555 inhabitants)
58 Km SW of Messina (238439 inhabitants)
61 Km W of Reggio di Calabria (183035 inhabitants)
95 Km NE of Caltanissetta (63360 inhabitants)
99 Km N of Siracusa (122291 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 2.3 1993-10-10
10:12:04
37.92 14.991 17 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 197789
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1993-10-10 10:12:04 ± 0.952
Latitude 37.9200 ± 0.1751
Longitude 14.9910 ± 0.0583
Depth (km) 17 ± 8 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 197789

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) 20131.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 193
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) 0.6
Epicentral distance of station closest to the epicenter (degree) 0.00210
Epicentral distance of station farthest from the epicenter (degree) 0.01287
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

Md:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 197789
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 20:05:54
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.GRI.Z. 1993-10-10T10:12:29.00 10.0 undecidable manual PN 50 1.4319 -0.81 0.6
--.SOI.Z. 1993-10-10T10:12:22.00 10.0 undecidable manual PN 79 0.8436 0.23 1.3
--.GIB.Z. 1993-10-10T10:12:21.00 10.0 undecidable manual PG 275 0.7548 0.82 0.9
--.PL9.Z. 1993-10-10T10:12:19.00 10.0 undecidable manual PG 276 0.666 0.52 1.3
--.TU9.Z. 1993-10-10T10:12:17.76 10.0 undecidable manual PG 274 0.6105 0.3 1.4
--.ATN.Z. 1993-10-10T10:12:14.80 10.0 undecidable manual PG 56 0.444 0.52 1.2
--.MNO.Z. 1993-10-10T10:12:09.00 10.0 undecidable manual PG 273 0.2331 -1.62 0.2
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