Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 04-07-2013 and time 05:30:03 (UTC) in region Stretto di Messina (Reggio di Calabria, Messina)

A magnitude ML 1.2 earthquake occured in region: Stretto di Messina (Reggio di Calabria, Messina), on

  • 04-07-2013 05:30:03 (UTC)
  • 04-07-2013 07:30:03 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.3090, 15.7490 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Bagnara Calabra RC 5 10255 10255
Scilla RC 7 4964 15219
Palmi RC 10 18930 34149
Sant'Eufemia d'Aspromonte RC 11 4120 38269
San Roberto RC 11 1750 40019
Seminara RC 11 2811 42830
Melicuccà RC 12 930 43760
Fiumara RC 12 1018 44778
Sinopoli RC 12 2089 46867
San Procopio RC 13 534 47401
Campo Calabro RC 13 4536 51937
Villa San Giovanni RC 14 13784 65721
Calanna RC 14 934 66655
Laganadi RC 15 413 67068
Sant'Alessio in Aspromonte RC 15 343 67411
Santo Stefano in Aspromonte RC 16 1263 68674
Cosoleto RC 16 859 69533
Delianuova RC 17 3352 72885
Scido RC 18 931 73816
Gioia Tauro RC 19 19864 93680

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km NE of Messina (238439 inhabitants)
24 Km NE of Reggio di Calabria (183035 inhabitants)
89 Km SW of Lamezia Terme (70714 inhabitants)
93 Km NE of Acireale (52622 inhabitants)
99 Km SW of Catanzaro (90612 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 		ML 1.2 2013-07-04
05:30:03		 38.3087 15.7493 17 2015-01-20
11:27:28		 Bollettino Sismico Italiano INGV 8640731
Reviewed
Rev100 		ML 1.1 2013-07-04
05:30:03		 38.3002 15.745 11 2014-10-21
12:08:56		 Sala Sismica INGV-Roma 3951391
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2013-07-04 05:30:03 ± 0.1
Latitude 38.3087 ± 0.0054
Longitude 15.7493 ± 0.0057
Depth (km) 17 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 8640731

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 558
Semi-minor axis of confidence ellipse (meter) 360
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 331
Circular confidence region, given by single value of horizontal uncertainty (meter) 560.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 123
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.08274
Epicentral distance of station farthest from the epicenter (degree) 0.35074
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 2
Type of magnitude ML
Reference to an origin 8640731
Agency INGV
Autore Manually reviewed by Franco Mele
Time of creation (UTC) 2015-01-15 13:30:14

ML:1.1

Field Value
Value 1.1
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 3951391
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2013-07-04 05:40:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MPNC.HHZ. 2013-07-04T05:30:16.20 0.3 undecidable manual S 243 38.9277 102 -0.11 71
IV.JOPP.HHE. 2013-07-04T05:30:15.06 0.3 undecidable manual S 20 35.1426 104 -0.25 70
IV.MTTG.HHZ. 2013-07-04T05:30:14.75 0.6 undecidable manual S 187 34.1436 105 -0.31 46
IV.MSRU.HHZ. 2013-07-04T05:30:12.00 0.6 undecidable manual S 257 21.5673 117 0.1 49
IV.MPNC.HHZ. 2013-07-04T05:30:10.66 0.1 undecidable manual P 243 38.9277 102 -0.14 94
IV.JOPP.HHE. 2013-07-04T05:30:10.37 0.3 undecidable manual P 20 35.1426 104 0.14 72
IV.MTTG.HHZ. 2013-07-04T05:30:10.24 0.3 undecidable manual P 187 34.1436 105 0.15 72
IV.MSCL.HHZ. 2013-07-04T05:30:09.20 0.6 undecidable manual S 157 9.1797 146 -0.19 49
MN.CEL.HHE. 2013-07-04T05:30:09.91 0.6 undecidable manual S 113 13.6752 133 -0.26 48
IV.MSRU.HHZ. 2013-07-04T05:30:08.39 0.1 undecidable manual P 257 21.5673 117 0.13 98
IV.MSCL.HHZ. 2013-07-04T05:30:07.04 0.1 undecidable manual P 157 9.1797 146 0.23 98
MN.CEL.HHE. 2013-07-04T05:30:07.36 0.1 undecidable manual P 113 13.6752 133 0.1 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MSCL.HHN. ML:1.4 0.000221 0.08 AML other m 2013-07-04T05:30:09.40
IV.MSCL.HHE. ML:1.4 0.00023799999999999998 0.32 AML other m 2013-07-04T05:30:09.42
IV.MSRU.HHN. ML:1.1 0.00006870000000000002 1.08 AML other m 2013-07-04T05:30:13.04
IV.MSRU.HHE. ML:1.1 0.0000675 0.9 AML other m 2013-07-04T05:30:14.12
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