Earthquake with magnitude of Md 2.3 on date 12-03-1993 and time 16:17:51 (UTC) in region Costa Siciliana nord orientale (Messina)

A magnitude Md 2.3 earthquake occured in region: Costa Siciliana nord orientale (Messina), on

  • 12-03-1993 16:17:51 (UTC)
  • 12-03-1993 17:17:51 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.35, 15.34 at 117 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
Spadafora ME 14 5021 5021
Venetico ME 14 3911 8932
Villafranca Tirrena ME 15 8584 17516
Milazzo ME 16 31646 49162
Torregrotta ME 17 7431 56593
Valdina ME 17 1355 57948
Roccavaldina ME 18 1133 59081
Pace del Mela ME 19 6239 65320
CondrĂ² ME 19 493 65813
Saponara ME 19 3988 69801

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km NW of Messina (238439 inhabitants)
38 Km NW of Reggio di Calabria (183035 inhabitants)
83 Km N of Acireale (52622 inhabitants)
96 Km N of Catania (314555 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
ML-VAX 1.8
1993-03-12
16:17:51
38.35 15.34 117 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 181499
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1993-03-12 16:17:51 ± 0.812
Latitude 38.35 ± 0.04
Longitude 15.34 ± 0.07
Depth (km) 117 ± 9 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 181499

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) 7481.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 212
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 13
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) 0.00186
Epicentral distance of station farthest from the epicenter (degree) 0.01611
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitudes information

Md:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 181499
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:50:19

ML:1.8

Field Value
Value 1.8
Uncertainty
Num. used stations 4
Type of magnitude ML
Reference to an origin 181499
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 Takeoff_angle Residual Weight
--.GRI.Z. 1993-03-12T16:18:28.43 10.0 undecidable manual S 60 0.0087 -0.13 0.6
--.SOI.Z. 1993-03-12T16:18:23.95 10.0 undecidable manual S 115 0.0056 0.67 0.2
--.MGR.Z. 1993-03-12T16:18:22.30 10.0 positive manual P 5 0.0161 0.18 1.8
--.GMB.Z. 1993-03-12T16:18:21.70 10.0 undecidable manual S 114 0.0038 0.71 0.2
--.MO9.Z. 1993-03-12T16:18:21.97 10.0 undecidable manual S 140 0.004 0.8 0.1
--.CSI.Z. 1993-03-12T16:18:20.28 10.0 undecidable manual P 27 0.0145 0.35 0.8
--.ROI.Z. 1993-03-12T16:18:19.80 10.0 undecidable manual P 37 0.0139 -0.07 1.1
--.ATN.Z. 1993-03-12T16:18:18.10 10.0 undecidable manual S 152 0.0019 -1.39 0
--.GRI.Z. 1993-03-12T16:18:12.32 10.0 positive manual P 60 0.0087 -0.41 1.9
--.SOI.Z. 1993-03-12T16:18:09.42 10.0 positive manual P 115 0.0056 -0.26 2.7
--.MO9.Z. 1993-03-12T16:18:08.67 10.0 undecidable manual P 140 0.004 0.21 1.5
--.GMB.Z. 1993-03-12T16:18:08.83 10.0 undecidable manual P 114 0.0038 0.47 0.9
--.ATN.Z. 1993-03-12T16:18:07.11 10.0 undecidable manual P 152 0.0019 -0.33 1.2
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download