Earthquake with magnitude of Md 2.1 on date 06-04-1993 and time 04:53:51 (UTC) in region Stretto di Messina (Reggio di Calabria, Messina)

A magnitude Md 2.1 earthquake occured in region: Stretto di Messina (Reggio di Calabria, Messina), on

  • 06-04-1993 04:53:51 (UTC)
  • 06-04-1993 06:53:51 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.31, 15.52 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
Villafranca Tirrena ME 11 8584 8584
Messina ME 13 238439 247023
Saponara ME 15 3988 251011
Villa San Giovanni RC 15 13784 264795
Spadafora ME 16 5021 269816
Venetico ME 16 3911 273727
Campo Calabro RC 16 4536 278263
Rometta ME 17 6650 284913
Valdina ME 18 1355 286268
Scilla RC 19 4964 291232
Roccavaldina ME 19 1133 292365
Fiumara RC 19 1018 293383
Torregrotta ME 19 7431 300814

Municipalities with at least 50000 inhabitants

An earthquake occurred to
13 Km N of Messina (238439 inhabitants)
25 Km NW of Reggio di Calabria (183035 inhabitants)
83 Km NE of Acireale (52622 inhabitants)
97 Km NE 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 2.1
ML-VAX 1.7
1993-04-06
04:53:51
38.31 15.52 10 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 182969
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1993-04-06 04:53:51 ± 1.025
Latitude 38.31 ± 0.03
Longitude 15.52 ± 0.08
Depth (km) 10 ± 11 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 182969

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) 8031.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 226
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) 0.00251
Epicentral distance of station farthest from the epicenter (degree) 0.01433
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 182969
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:51:43

ML:1.7

Field Value
Value 1.7
Uncertainty
Num. used stations 1
Type of magnitude ML
Reference to an origin 182969
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. 1993-04-06T04:54:20.26 10.0 undecidable manual SG 53 0.0079 -0.98 0.3
--.CSI.Z. 1993-04-06T04:54:19.46 10.0 undecidable manual PN 22 0.0143 0.26 1.1
--.GRI.Z. 1993-04-06T04:54:08.70 10.0 undecidable manual PG 53 0.0079 -0.52 1.3
--.MO9.Z. 1993-04-06T04:54:03.29 10.0 undecidable manual SG 155 0.003 -0.78 0.4
--.GMB.Z. 1993-04-06T04:54:03.36 10.0 undecidable manual SG 119 0.0025 1.01 0.3
--.MO9.Z. 1993-04-06T04:53:58.17 10.0 negative manual PG 155 0.003 -0.5 3.1
--.GMB.Z. 1993-04-06T04:53:58.85 10.0 undecidable manual PG 119 0.0025 1.17 0.5
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
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