Earthquake with magnitude of Md 3.0 on date 21-02-2004 and time 08:38:40 (Italy) in region Stretto di Messina (Reggio di Calabria, Messina)

A magnitude Md 3.0 earthquake occured in region: Stretto di Messina (Reggio di Calabria, Messina), on

  • 21-02-2004 07:38:40 (UTC)
  • 21-02-2004 08:38:40 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.36, 15.57 at 96 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
Villa San Giovanni RC 17 13784 13784
Scilla RC 18 4964 18748
Villafranca Tirrena ME 18 8584 27332
Campo Calabro RC 18 4536 31868
Messina ME 19 238439 270307
Fiumara RC 20 1018 271325

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km N of Messina (238439 inhabitants)
29 Km N of Reggio di Calabria (183035 inhabitants)
90 Km NE of Acireale (52622 inhabitants)
95 Km SW of Lamezia Terme (70714 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 3.0
ML-VAX 2.7
2004-02-21
07:38:40
38.36 15.57 96 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 493819
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2004-02-21 07:38:40 ± 0.35
Latitude 38.36 ± 0.02
Longitude 15.57 ± 0.02
Depth (km) 96 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 493819

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) 2804
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 71
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 31
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) 0.00138
Epicentral distance of station farthest from the epicenter (degree) 0.02509
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 23
Magnitudes information

Md:3

Field Value
Value 3
Uncertainty
Num. used stations 15
Type of magnitude Md
Reference to an origin 493819
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 00:51:30

ML:2.7

Field Value
Value 2.7
Uncertainty
Num. used stations 13
Type of magnitude ML
Reference to an origin 493819
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
--.BRT.Z. 2004-02-21T07:39:22.12 10.0 negative manual P 25 0.0251 -1.24 0.2
--.GIB.N. 2004-02-21T07:39:20.48 10.0 undecidable manual S 253 0.0113 -0.25 0.4
--.MRLC.Z. 2004-02-21T07:39:19.81 10.0 positive manual P 358 0.0215 1.69 0
--.AGST.N. 2004-02-21T07:39:17.10 10.0 undecidable manual S 193 0.0102 -1.09 0.1
--.SGO.Z. 2004-02-21T07:39:16.45 10.0 undecidable manual P 354 0.0198 0.85 0.3
--.GRI.E. 2004-02-21T07:39:12.40 10.0 undecidable manual S 55 0.0073 0.13 0.4
--.MNO.Z. 2004-02-21T07:39:12.31 10.0 undecidable manual S 238 0.0072 0.44 0.4
--.USI.Z. 2004-02-21T07:39:11.21 10.0 positive manual P 281 0.017 -0.38 1.3
--.MGR.Z. 2004-02-21T07:39:09.82 10.0 undecidable manual P 359 0.0159 -0.18 0.8
--.SOI.E. 2004-02-21T07:39:07.16 10.0 undecidable manual S 126 0.0043 0.33 0.4
--.MTTG.Z. 2004-02-21T07:39:06.41 10.0 undecidable manual S 163 0.0033 0.81 0.2
--.PZI.Z. 2004-02-21T07:39:05.14 10.0 negative manual P 200 0.0125 -0.07 1.9
--.TDS.Z. 2004-02-21T07:39:05.54 10.0 negative manual P 24 0.0128 -0.1 1.8
--.MSI.Z. 2004-02-21T07:39:04.65 10.0 undecidable manual S 183 0.0014 0.7 0.3
--.MEU.Z. 2004-02-21T07:39:04.98 10.0 undecidable manual P 205 0.0124 -0.06 0.9
--.CSLB.Z. 2004-02-21T07:39:03.47 10.0 positive manual P 250 0.0113 -0.11 2
--.GIB.Z. 2004-02-21T07:39:03.40 10.0 positive manual P 253 0.0113 -0.25 1.9
--.SCLL.Z. 2004-02-21T07:39:03.32 10.0 undecidable manual S 131 0.0014 -0.62 0.3
--.PLLN.Z. 2004-02-21T07:39:02.60 10.0 undecidable manual P 252 0.0105 -0.01 1
--.AGST.Z. 2004-02-21T07:39:01.71 10.0 negative manual P 193 0.0102 -0.42 1.7
--.MNO.Z. 2004-02-21T07:38:59.43 10.0 positive manual P 238 0.0072 0.89 0.9
--.EMP.Z. 2004-02-21T07:38:59.65 10.0 undecidable manual P 214 0.0074 0.91 0.4
--.ESPD.Z. 2004-02-21T07:38:58.66 10.0 undecidable manual P 212 0.007 0.35 1
--.GRI.Z. 2004-02-21T07:38:58.71 10.0 undecidable manual P 55 0.0073 0.15 1.1
--.SLNA.Z. 2004-02-21T07:38:56.49 10.0 positive manual P 289 0.0054 -0.14 2.2
--.MTTG.Z. 2004-02-21T07:38:55.48 10.0 negative manual P 163 0.0033 0.57 1.5
--.SOI.Z. 2004-02-21T07:38:55.95 10.0 negative manual P 126 0.0043 0.33 2
--.STR5.Z. 2004-02-21T07:38:55.42 10.0 undecidable manual P 326 0.0046 -0.46 0.9
--.STR4.Z. 2004-02-21T07:38:55.40 10.0 positive manual P 326 0.0045 -0.71 1.2
--.SCLL.Z. 2004-02-21T07:38:53.46 10.0 negative manual P 131 0.0014 -0.5 1.7
--.MSI.Z. 2004-02-21T07:38:53.54 10.0 negative manual P 183 0.0014 -0.42 1.8
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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Type Description Link
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