Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 25-07-2013 and time 09:41:34 (Italy) in region Costa Siciliana nord orientale (Messina)

A magnitude ML 1.5 earthquake occured in region: Costa Siciliana nord orientale (Messina), on

  • 25-07-2013 07:41:34 (UTC)
  • 25-07-2013 09:41:34 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.2970, 15.4740 at 55 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
Villafranca Tirrena ME 8 8584 8584
Saponara ME 12 3988 12572
Spadafora ME 12 5021 17593
Venetico ME 13 3911 21504
Messina ME 13 238439 259943
Valdina ME 15 1355 261298
Rometta ME 15 6650 267948
Roccavaldina ME 15 1133 269081
Torregrotta ME 16 7431 276512
Villa San Giovanni RC 17 13784 290296
Monforte San Giorgio ME 17 2777 293073
Campo Calabro RC 18 4536 297609
Condrò ME 19 493 298102
San Pier Niceto ME 19 2837 300939
Pace del Mela ME 20 6239 307178

Municipalities with at least 50000 inhabitants

An earthquake occurred to
13 Km NW of Messina (238439 inhabitants)
26 Km NW of Reggio di Calabria (183035 inhabitants)
81 Km NE of Acireale (52622 inhabitants)
95 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 		ML 1.5 2013-07-25
07:41:34		 38.2967 15.4745 55 2015-01-20
11:28:19		 Bollettino Sismico Italiano INGV 4567371
Reviewed
Rev100 		ML 1.5 2013-07-25
07:41:34		 38.2883 15.4658 52 2014-10-21
12:08:56		 Sala Sismica INGV-Roma 4145031
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2013-07-25 07:41:34 ± 0.44
Latitude 38.2967 ± 0.0207
Longitude 15.4745 ± 0.0218
Depth (km) 55 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 4567371

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1825
Semi-minor axis of confidence ellipse (meter) 1810
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 140
Circular confidence region, given by single value of horizontal uncertainty (meter) 1820.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 124
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.36
Epicentral distance of station closest to the epicenter (degree) 0.04227
Epicentral distance of station farthest from the epicenter (degree) 0.44696
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 4567371
Agency INGV
Autore Manually reviewed by Franco Mele
Time of creation (UTC) 2015-01-15 13:25:19

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 2
Type of magnitude ML
Reference to an origin 4145031
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2013-07-25 07:56:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.JOPP.HHZ. 2013-07-25T07:41:54.35 0.1 undecidable manual S 46 49.617 128 0.37 89
IV.IVPL.HHZ. 2013-07-25T07:41:53.12 0.1 undecidable manual S 282 43.9227 133 0.07 98
IV.NOV.HHZ. 2013-07-25T07:41:53.22 0.1 undecidable manual S 225 41.9247 134 0.48 90
IV.MPNC.HHZ. 2013-07-25T07:41:50.12 0.1 undecidable manual S 213 19.7691 156 0.13 100
IV.MSRU.HHZ. 2013-07-25T07:41:48.60 0.1 undecidable manual S 141 4.6953 174 -0.54 93
IV.NOV.HHZ. 2013-07-25T07:41:45.16 0.1 undecidable manual P 225 41.9247 134 0.16 95
IV.JOPP.HHZ. 2013-07-25T07:41:45.82 0.1 undecidable manual P 46 49.617 128 0.1 94
IV.IVPL.HHZ. 2013-07-25T07:41:44.91 0.1 undecidable manual P 282 43.9227 133 -0.27 92
IV.MPNC.HHZ. 2013-07-25T07:41:43.22 0.1 undecidable manual P 213 19.7691 156 -0.19 98
IV.MSRU.HHZ. 2013-07-25T07:41:42.67 0.1 undecidable manual P 141 4.6953 174 -0.25 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MSRU.HHN. ML:1.5 0.00008065 0.26 AML other m 2013-07-25T07:41:49.67
IV.MSRU.HHE. ML:1.7 0.000128 1.04 AML other m 2013-07-25T07:41:50.57
IV.NOV.HHN. ML:1.4 0.00004745 1.28 AML other m 2013-07-25T07:41:55.07
IV.NOV.HHE. ML:1.4 0.000045199999999999994 0.88 AML other m 2013-07-25T07:42:32.75
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