Earthquake with magnitude of Md 2.1 on date 12-10-1993 and time 22:28:16 (Italy) in region 4 km SE Maletto (CT)

A magnitude Md 2.1 earthquake occured in region: 4 km SE Maletto (CT), on

  • 12-10-1993 21:28:16 (UTC)
  • 12-10-1993 22:28:16 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.8010, 14.8970 at 10 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
Maletto CT 4 3920 3920
Bronte CT 6 19172 23092
Randazzo CT 10 10900 33992
Maniace CT 10 3765 37757
Santa Domenica Vittoria ME 14 980 38737
Adrano CT 16 36122 74859
CesarĂ² ME 17 2439 77298
Moio Alcantara ME 17 717 78015
Biancavilla CT 18 24007 102022
Roccella Valdemone ME 18 666 102688
San Teodoro ME 18 1403 104091
Malvagna ME 19 733 104824
Ragalna CT 19 3924 108748

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km NW of Acireale (52622 inhabitants)
37 Km NW of Catania (314555 inhabitants)
73 Km SW of Messina (238439 inhabitants)
74 Km W of Reggio di Calabria (183035 inhabitants)
81 Km E of Caltanissetta (63360 inhabitants)
89 Km NW of Siracusa (122291 inhabitants)
98 Km N of Ragusa (73313 inhabitants)
100 Km NE of Gela (75827 inhabitants)
100 Km NE of Vittoria (63339 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
ML-VAX 1.8
1993-10-12
21:28:16
37.801 14.897 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 198059
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1993-10-12 21:28:16 ± 0.279
Latitude 37.8010 ± 0.0214
Longitude 14.8970 ± 0.0275
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 198059

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) 3391.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 154
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) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00186
Epicentral distance of station farthest from the epicenter (degree) 0.00850
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:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 198059
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 20:06:08

ML:1.8

Field Value
Value 1.8
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 198059
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
--.SOI.Z. 1993-10-12T21:28:47.00 10.0 undecidable manual SG 72 0.9435 -1.68 0
--.AU9.Z. 1993-10-12T21:28:37.61 10.0 undecidable manual SG 154 0.5994 0.11 0.7
--.SOI.Z. 1993-10-12T21:28:35.33 10.0 undecidable manual PG 72 0.9435 0.38 1.2
--.MO9.Z. 1993-10-12T21:28:30.21 10.0 undecidable manual PG 71 0.6549 0.68 0.9
--.AU9.Z. 1993-10-12T21:28:28.23 10.0 undecidable manual PG 154 0.5994 -0.27 1.7
--.MNO.Z. 1993-10-12T21:28:24.38 10.0 undecidable manual SG 309 0.2109 -0.4 0.6
--.MNO.Z. 1993-10-12T21:28:21.18 10.0 undecidable manual PG 309 0.2109 0.02 1.9
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