Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.3 on date 07-12-2012 and time 17:25:10 (UTC) in region Isole Eolie (Messina)

A magnitude ML 2.3 earthquake occured in region: Isole Eolie (Messina), on

  • 07-12-2012 17:25:10 (UTC)
  • 07-12-2012 18:25:10 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.4050, 14.5890 at 4 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

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
88 Km W of Messina (238439 inhabitants)
98 Km W of Reggio di Calabria (183035 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 2.3 2012-12-07
17:25:10		 38.4155 14.5987 3 2014-10-21
12:08:56		 Sala Sismica INGV-Roma 2685181
Bulletin
Rev1000 		ML 2.3 2012-12-07
17:25:10		 38.405 14.5887 4 2014-09-19
08:14:18		 Bollettino Sismico Italiano INGV 3653581
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2012-12-07 17:25:10 ± 0.11
Latitude 38.4050 ± 0.0063
Longitude 14.5887 ± 0.0080
Depth (km) 4 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 3653581

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 795
Semi-minor axis of confidence ellipse (meter) 376
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 44
Circular confidence region, given by single value of horizontal uncertainty (meter) 800.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 86
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.15918
Epicentral distance of station farthest from the epicenter (degree) 1.07919
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 19
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations 13
Type of magnitude ML
Reference to an origin 3653581
Agency INGV
Autore Manually reviewed by Franco Mele
Time of creation (UTC) 2014-09-18 12:46:34

ML:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations 13
Type of magnitude ML
Reference to an origin 2685181
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2012-12-07 17:37:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MPNC.HHZ. 2012-12-07T17:25:34.40 0.6 undecidable manual S 113 72.4719 50 0.13 45
IV.MCSR.HHZ. 2012-12-07T17:25:33.90 0.6 undecidable manual S 124 67.4769 50 0.97 34
IV.HLNI.HHZ. 2012-12-07T17:25:31.87 1.0 undecidable manual P 168 119.7912 50 0.19 20
IV.NOV.HHZ. 2012-12-07T17:25:31.70 0.6 undecidable manual S 131 63.492 50 -0.18 45
IV.MTTG.HHZ. 2012-12-07T17:25:29.13 0.6 undecidable manual P 114 106.6155 50 -0.53 38
IV.GALF.HHZ. 2012-12-07T17:25:25.87 0.6 undecidable manual P 181 77.0673 50 0.78 37
IV.MSFR.HHZ. 2012-12-07T17:25:25.30 0.6 undecidable manual S 180 41.1255 96 0.05 48
IV.MSRU.HHZ. 2012-12-07T17:25:25.13 0.1 undecidable manual P 101 81.5517 50 -0.66 76
IV.PETRA.HHZ. 2012-12-07T17:25:25.36 0.1 undecidable manual P 213 75.6687 50 0.47 83
IV.AIO.HHZ. 2012-12-07T17:25:24.47 0.1 undecidable manual P 130 73.9704 50 -0.15 89
IV.MPNC.HHZ. 2012-12-07T17:25:24.10 0.3 negative manual P 113 72.4719 50 -0.29 65
IV.GIB.HHE. 2012-12-07T17:25:23.82 0.6 undecidable manual P 227 67.2771 50 0.23 44
IV.NOV.HHZ. 2012-12-07T17:25:23.25 0.1 undecidable manual P 131 63.492 50 0.24 89
IV.MCSR.HHZ. 2012-12-07T17:25:22.98 0.3 undecidable manual P 124 67.4769 50 -0.64 59
IV.MCPD.HHZ. 2012-12-07T17:25:22.90 0.6 undecidable manual S 159 33.9438 97 0.14 48
IV.MNO.SHE. 2012-12-07T17:25:21.87 0.3 undecidable manual P 170 53.4021 50 0.42 65
IV.PLLN.SHE. 2012-12-07T17:25:21.87 0.3 undecidable manual P 220 59.9955 50 -0.6 61
IV.MUCR.HHZ. 2012-12-07T17:25:20.09 0.1 undecidable manual P 148 47.2194 95 -0.3 90
IV.IACL.HHZ. 2012-12-07T17:25:19.50 0.6 undecidable manual S 305 24.753 99 -0.1 49
IV.MSFR.HHZ. 2012-12-07T17:25:18.98 0.1 undecidable manual P 180 41.1255 96 -0.2 93
IV.IVPL.HHZ. 2012-12-07T17:25:18.11 0.1 undecidable manual P 95 34.1436 97 0.32 92
IV.ILLI.HHE. 2012-12-07T17:25:17.95 0.6 undecidable manual P 82 31.5462 97 0.68 42
IV.MCPD.HHZ. 2012-12-07T17:25:17.64 0.1 undecidable manual P 159 33.9438 97 -0.11 97
IV.IACL.HHZ. 2012-12-07T17:25:15.91 0.1 negative manual P 305 24.753 99 -0.01 100
IV.IFIL.HHZ. 2012-12-07T17:25:14.65 0.1 negative manual P 356 17.6712 103 0.12 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.AIO.HHE. ML:2.0 0.0001575 0.52 AML other m 2012-12-07T17:25:37.21
IV.AIO.HHN. ML:2.2 0.00023449999999999998 1.5 AML other m 2012-12-07T17:25:37.95
IV.GALF.HHN. ML:2.1 0.0002035 0.64 AML other m 2012-12-07T17:25:43.23
IV.GALF.HHE. ML:2.0 0.00016350000000000002 0.42 AML other m 2012-12-07T17:25:44.31
IV.IACL.HHE. ML:2.4 0.0016 1.56 AML other m 2012-12-07T17:25:19.63
IV.IACL.HHN. ML:2.2 0.001145 0.16 AML other m 2012-12-07T17:25:23.93
IV.IFIL.HHE. ML:3.0 0.008440000000000001 0.28 AML other m 2012-12-07T17:25:19.65
IV.IFIL.HHN. ML:2.5 0.003075 0.12 AML other m 2012-12-07T17:25:19.67
IV.IVPL.HHN. ML:2.5 0.0014199999999999998 0.96 AML other m 2012-12-07T17:25:30.23
IV.IVPL.HHE. ML:2.5 0.0015049999999999998 0.92 AML other m 2012-12-07T17:25:31.86
IV.MCPD.HHE. ML:2.2 0.000709 0.42 AML other m 2012-12-07T17:25:26.50
IV.MCPD.HHN. ML:2.4 0.00122 0.46 AML other m 2012-12-07T17:25:26.46
IV.MCSR.HHN. ML:2.5 0.00055 0.32 AML other m 2012-12-07T17:25:39.16
IV.MCSR.HHE. ML:2.6 0.0007264999999999999 0.36 AML other m 2012-12-07T17:25:39.90
IV.MPNC.HHN. ML:2.4 0.0004515 0.38 AML other m 2012-12-07T17:25:39.48
IV.MPNC.HHE. ML:2.4 0.00040149999999999995 0.68 AML other m 2012-12-07T17:25:37.19
IV.MSFR.HHN. ML:1.8 0.00023649999999999998 1.36 AML other m 2012-12-07T17:25:29.74
IV.MSFR.HHE. ML:1.7 0.000186 0.64 AML other m 2012-12-07T17:25:28.26
IV.MTTG.HHE. ML:1.9 0.00007625 0.84 AML other m 2012-12-07T17:25:46.59
IV.MTTG.HHN. ML:2.0 0.0001021 1.58 AML other m 2012-12-07T17:26:00.60
IV.MUCR.HHN. ML:2.3 0.0005845000000000001 0.36 AML other m 2012-12-07T17:25:29.59
IV.MUCR.HHE. ML:2.3 0.0006274999999999999 1.06 AML other m 2012-12-07T17:25:29.66
IV.NOV.HHE. ML:2.3 0.0004055 0.46 AML other m 2012-12-07T17:25:33.49
IV.NOV.HHN. ML:2.3 0.0003495 0.6 AML other m 2012-12-07T17:25:33.51
IV.PETRA.HHE. ML:2.3 0.0003075 0.42 AML other m 2012-12-07T17:25:39.31
IV.PETRA.HHN. ML:2.3 0.000277 0.44 AML other m 2012-12-07T17:25:40.59
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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