Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 26-07-2012 and time 02:14:12 (Italy) in region Stretto di Messina (Reggio di Calabria, Messina)

A magnitude ML 1.7 earthquake occured in region: Stretto di Messina (Reggio di Calabria, Messina), on

  • 26-07-2012 00:14:12 (UTC)
  • 26-07-2012 02:14:12 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.2850, 15.6800 at 45 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
Scilla RC 5 4964 4964
Campo Calabro RC 8 4536 9500
Villa San Giovanni RC 8 13784 23284
Fiumara RC 8 1018 24302
San Roberto RC 10 1750 26052
Bagnara Calabra RC 11 10255 36307
Calanna RC 12 934 37241
Laganadi RC 13 413 37654
Sant'Alessio in Aspromonte RC 14 343 37997
Messina ME 15 238439 276436
Sant'Eufemia d'Aspromonte RC 16 4120 280556
Santo Stefano in Aspromonte RC 16 1263 281819
Palmi RC 17 18930 300749
Sinopoli RC 18 2089 302838
Seminara RC 18 2811 305649
Melicuccà RC 18 930 306579
San Procopio RC 18 534 307113
Reggio di Calabria RC 20 183035 490148

Municipalities with at least 50000 inhabitants

An earthquake occurred to
15 Km NE of Messina (238439 inhabitants)
20 Km N of Reggio di Calabria (183035 inhabitants)
87 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
Reviewed
Rev100 		ML 1.7 2012-07-26
00:14:12		 38.2643 15.732 50 2014-10-21
12:08:56		 Sala Sismica INGV-Roma 1889831
Bulletin
Rev1000 		ML 1.7 2012-07-26
00:14:12		 38.2852 15.6798 45 2014-09-19
08:14:18		 Bollettino Sismico Italiano INGV 2850621
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2012-07-26 00:14:12 ± 0.21
Latitude 38.2852 ± 0.0126
Longitude 15.6798 ± 0.0160
Depth (km) 45 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 2850621

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1522
Semi-minor axis of confidence ellipse (meter) 1158
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 151
Circular confidence region, given by single value of horizontal uncertainty (meter) 1520.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 90
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.34
Epicentral distance of station closest to the epicenter (degree) 0.10162
Epicentral distance of station farthest from the epicenter (degree) 1.26085
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 2850621
Agency INGV
Autore Manually reviewed by Franco Mele
Time of creation (UTC) 2014-09-18 12:43:12

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 1889831
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2012-07-26 00:24:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CET2.HHZ. 2012-07-26T00:14:50.35 0.3 undecidable manual S 10 139.9488 94 0.1 59
IV.CAR1.HHZ. 2012-07-26T00:14:44.91 0.1 undecidable manual S 23 116.7942 95 -0.37 76
IV.CET2.HHZ. 2012-07-26T00:14:34.81 0.3 undecidable manual P 10 139.9488 94 0.4 55
IV.IVPL.HHZ. 2012-07-26T00:14:33.84 0.3 undecidable manual S 280 61.6938 108 0.26 65
IV.CAR1.HHZ. 2012-07-26T00:14:31.38 0.1 undecidable manual P 23 116.7942 95 -0.16 80
IV.MCSR.HHZ. 2012-07-26T00:14:29.67 0.3 undecidable manual S 238 46.2204 119 -0.83 57
IV.JOPP.HHZ. 2012-07-26T00:14:29.22 0.1 undecidable manual S 27 39.9267 125 -0.13 92
IV.MPNC.HHZ. 2012-07-26T00:14:28.24 0.1 undecidable manual S 242 32.3454 133 0.15 94
IV.MTTG.HHZ. 2012-07-26T00:14:27.79 0.1 undecidable manual S 177 31.3464 134 -0.14 95
MN.CEL.HLZ. 2012-07-26T00:14:26.79 0.6 undecidable manual S 98 18.87 151 0.5 45
IV.MSCL.HHZ. 2012-07-26T00:14:26.09 0.1 undecidable manual S 122 11.2776 162 0.46 93
IV.MSRU.HHZ. 2012-07-26T00:14:25.20 0.1 undecidable manual S 261 15.0738 156 -0.73 82
IV.IVPL.HHZ. 2012-07-26T00:14:25.17 0.3 undecidable manual P 280 61.6938 108 0.38 64
IV.MCSR.HHZ. 2012-07-26T00:14:23.40 0.3 undecidable manual P 238 46.2204 119 0.39 65
IV.JOPP.HHZ. 2012-07-26T00:14:22.28 0.1 undecidable manual P 27 39.9267 125 -0.07 94
IV.MILZ.HHZ. 2012-07-26T00:14:22.44 0.1 undecidable manual P 268 39.1275 126 0.18 93
IV.MPNC.HHZ. 2012-07-26T00:14:21.65 0.1 undecidable manual P 242 32.3454 133 0.03 97
IV.ATN.BHZ. 2012-07-26T00:14:21.59 0.3 undecidable manual P 233 23.3544 144 0.71 61
IV.MTTG.HHZ. 2012-07-26T00:14:21.29 0.1 undecidable manual P 177 31.3464 134 -0.23 93
MN.CEL.HLZ. 2012-07-26T00:14:20.34 0.1 undecidable manual P 98 18.87 151 -0.24 94
IV.MSCL.HHZ. 2012-07-26T00:14:20.08 0.1 undecidable manual P 122 11.2776 162 -0.12 98
IV.MSRU.HHZ. 2012-07-26T00:14:20.40 0.1 undecidable manual P 261 15.0738 156 0.03 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.JOPP.HHN. ML:1.4 0.00005945 0.68 AML other m 2012-07-26T00:14:29.80
IV.JOPP.HHE. ML:1.3 0.00004455 1.34 AML other m 2012-07-26T00:14:30.19
IV.MCSR.HHE. ML:1.8 0.000108 0.3 AML other m 2012-07-26T00:14:34.46
IV.MCSR.HHN. ML:2.0 0.000184 0.88 AML other m 2012-07-26T00:14:35.03
IV.MPNC.HHE. ML:1.8 0.000136 0.46 AML other m 2012-07-26T00:14:30.14
IV.MPNC.HHN. ML:1.8 0.00014800000000000002 0.72 AML other m 2012-07-26T00:14:31.61
IV.MSCL.HHN. ML:2.1 0.0003804999999999999 0.5 AML other m 2012-07-26T00:14:26.96
IV.MSCL.HHE. ML:2.2 0.000442 0.16 AML other m 2012-07-26T00:14:26.87
IV.MSRU.HHN. ML:1.5 0.00008955000000000001 1.44 AML other m 2012-07-26T00:14:28.36
IV.MSRU.HHE. ML:1.5 0.00009255 1.58 AML other m 2012-07-26T00:14:29.08
IV.MTTG.HHE. ML:1.6 0.00008945 0.48 AML other m 2012-07-26T00:14:27.88
IV.MTTG.HHN. ML:1.8 0.00013350000000000002 0.46 AML other m 2012-07-26T00:14:31.87
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