Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 14-08-2012 and time 04:57:57 (Italy) in region Costa Siciliana nord orientale (Messina)

A magnitude ML 2.2 earthquake occured in region: Costa Siciliana nord orientale (Messina), on

  • 14-08-2012 02:57:57 (UTC)
  • 14-08-2012 04:57:57 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.3640, 15.4440 at 120 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 14 8584 8584
Spadafora ME 17 5021 13605
Venetico ME 17 3911 17516
Saponara ME 19 3988 21504
Valdina ME 20 1355 22859

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km NW of Messina (238439 inhabitants)
33 Km NW of Reggio di Calabria (183035 inhabitants)
87 Km N of Acireale (52622 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 2.2 2012-08-14
02:57:56		 38.346 15.3828 121 2014-10-21
12:08:56		 Sala Sismica INGV-Roma 1991611
Bulletin
Rev1000 		ML 2.2 2012-08-14
02:57:57		 38.3643 15.4445 120 2014-09-19
08:14:18		 Bollettino Sismico Italiano INGV 2521001
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2012-08-14 02:57:57 ± 0.29
Latitude 38.3643 ± 0.0153
Longitude 15.4445 ± 0.0264
Depth (km) 120 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 2521001

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2455
Semi-minor axis of confidence ellipse (meter) 643
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 118
Circular confidence region, given by single value of horizontal uncertainty (meter) 2460.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 107
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) 0.37
Epicentral distance of station closest to the epicenter (degree) 0.11242
Epicentral distance of station farthest from the epicenter (degree) 1.22937
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 16
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.1
Num. used stations 14
Type of magnitude ML
Reference to an origin 1991611
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2012-08-14 03:05:20

ML:2.2

Field Value
Value 2.2
Uncertainty 0.1
Num. used stations 7
Type of magnitude ML
Reference to an origin 2521001
Agency INGV
Autore Manually reviewed by Franco Mele
Time of creation (UTC) 2014-09-18 12:40:18
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CET2.HHZ. 2012-08-14T02:58:40.17 0.6 undecidable manual S 19 136.4634 127 0.22 38
IV.CAR1.HHZ. 2012-08-14T02:58:36.95 0.6 undecidable manual S 34 118.7922 131 -0.06 43
IV.PLAC.HHZ. 2012-08-14T02:58:32.97 0.6 undecidable manual S 83 86.9463 141 0.75 39
IV.NOV.HHZ. 2012-08-14T02:58:29.28 0.6 undecidable manual S 216 46.0206 157 1.63 24
IV.MPAZ.HHZ. 2012-08-14T02:58:29.72 0.6 undecidable manual S 133 66.9774 148 -0.01 46
IV.MCSR.HHZ. 2012-08-14T02:58:28.12 1.0 undecidable manual S 209 38.1285 161 1.08 17
IV.MTTG.HHZ. 2012-08-14T02:58:28.35 1.0 undecidable manual S 151 45.8208 157 0.71 21
IV.JOPP.HHZ. 2012-08-14T02:58:27.53 0.3 undecidable manual S 55 46.8198 157 -0.19 71
IV.IVPL.HHZ. 2012-08-14T02:58:27.74 0.6 undecidable manual S 272 40.4262 160 0.54 41
IV.GMB.BHZ. 2012-08-14T02:58:27.81 0.6 undecidable manual S 123 39.9267 160 0.64 44
IV.MPNC.HHZ. 2012-08-14T02:58:26.15 0.6 undecidable manual S 198 25.4523 167 -0.13 50
IV.MSCL.HHZ. 2012-08-14T02:58:26.64 0.6 undecidable manual S 116 33.4443 163 -0.09 49
IV.MSRU.HHZ. 2012-08-14T02:58:25.12 0.3 undecidable manual S 153 12.4764 174 -0.68 66
IV.ATN.BHZ. 2012-08-14T02:58:25.52 0.6 undecidable manual S 176 22.755 168 -0.64 44
IV.MILZ.HHZ. 2012-08-14T02:58:25.73 0.6 undecidable manual S 241 21.2676 169 -0.36 49
IV.CET2.HHZ. 2012-08-14T02:58:22.00 0.1 undecidable manual P 19 136.4634 127 0.17 79
IV.HAGA.HHZ. 2012-08-14T02:58:19.28 0.3 undecidable manual P 192 122.3886 130 -1.19 41
IV.CAR1.HHZ. 2012-08-14T02:58:19.91 0.1 undecidable manual P 34 118.7922 131 -0.22 82
IV.PLAC.HHZ. 2012-08-14T02:58:17.63 0.1 undecidable manual P 83 86.9463 141 0.26 88
IV.MPAZ.HHZ. 2012-08-14T02:58:15.97 0.1 undecidable manual P 133 66.9774 148 0.04 94
IV.NOV.HHZ. 2012-08-14T02:58:15.38 0.1 undecidable manual P 216 46.0206 157 0.65 83
IV.IVPL.HHZ. 2012-08-14T02:58:14.30 0.1 undecidable manual P 272 40.4262 160 -0.17 98
IV.GMB.BHZ. 2012-08-14T02:58:14.95 0.3 undecidable manual P 123 39.9267 160 0.5 68
IV.MTTG.HHZ. 2012-08-14T02:58:14.91 0.1 undecidable manual P 151 45.8208 157 0.19 96
IV.MPNC.HHZ. 2012-08-14T02:58:14.03 0.1 undecidable manual P 198 25.4523 167 0.09 100
IV.MCSR.HHZ. 2012-08-14T02:58:14.65 0.1 undecidable manual P 209 38.1285 161 0.27 94
IV.JOPP.HHZ. 2012-08-14T02:58:14.56 0.1 undecidable manual P 55 46.8198 157 -0.21 94
IV.MSRU.HHZ. 2012-08-14T02:58:13.14 0.1 undecidable manual P 153 12.4764 174 -0.52 93
IV.ATN.BHZ. 2012-08-14T02:58:13.57 0.6 undecidable manual P 176 22.755 168 -0.3 48
IV.MILZ.HHZ. 2012-08-14T02:58:13.44 0.3 undecidable manual P 241 21.2676 169 -0.39 72
IV.MSCL.HHZ. 2012-08-14T02:58:13.95 0.1 undecidable manual P 116 33.4443 163 -0.25 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CET2.HHE. ML:2.0 0.000038400000000000005 0.88 AML other m 2012-08-14T02:58:40.77
IV.CET2.HHN. ML:2.1 0.00004725 1.24 AML other m 2012-08-14T02:58:41.77
IV.JOPP.HHN. ML:2.2 0.00010485 0.2 AML other m 2012-08-14T02:58:28.89
IV.JOPP.HHE. ML:2.1 0.00007675 0.98 AML other m 2012-08-14T02:58:28.88
IV.MPAZ.HHE. ML:2.0 0.00006665000000000001 0.38 AML other m 2012-08-14T02:58:31.65
IV.MPAZ.HHN. ML:2.1 0.00007625 0.8 AML other m 2012-08-14T02:58:31.73
IV.MPNC.HHN. ML:2.2 0.000113 0.78 AML other m 2012-08-14T02:58:28.10
IV.MPNC.HHE. ML:2.1 0.0000935 0.78 AML other m 2012-08-14T02:58:29.60
IV.MSCL.HHE. ML:2.4 0.0001975 0.78 AML other m 2012-08-14T02:58:30.16
IV.MSCL.HHN. ML:2.3 0.00013450000000000002 0.62 AML other m 2012-08-14T02:58:31.79
IV.MSRU.HHE. ML:2.5 0.0002155 0.54 AML other m 2012-08-14T02:58:26.65
IV.MSRU.HHN. ML:2.3 0.0001545 1.2 AML other m 2012-08-14T02:58:25.96
IV.PLAC.HHN. ML:2.2 0.00008840000000000001 0.34 AML other m 2012-08-14T02:58:33.64
IV.PLAC.HHE. ML:2.2 0.0000921 1.2 AML other m 2012-08-14T02:58:33.67
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
Waveforms Seismic signals in miniseed + resp format Download