Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 20-10-2012 and time 08:52:34 (Italy) in region Costa Siciliana nord orientale (Messina)

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

  • 20-10-2012 06:52:34 (UTC)
  • 20-10-2012 08:52:34 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.3140, 15.2600 at 118 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
Milazzo ME 10 31646 31646
Venetico ME 14 3911 35557
Spadafora ME 14 5021 40578
Pace del Mela ME 15 6239 46817
Torregrotta ME 16 7431 54248
San Filippo del Mela ME 16 7115 61363
Merì ME 16 2338 63701
Condrò ME 16 493 64194
Valdina ME 17 1355 65549
Gualtieri Sicaminò ME 17 1807 67356
Villafranca Tirrena ME 17 8584 75940
Roccavaldina ME 18 1133 77073
Barcellona Pozzo di Gotto ME 19 41583 118656
San Pier Niceto ME 19 2837 121493
Santa Lucia del Mela ME 19 4650 126143

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km W of Messina (238439 inhabitants)
41 Km NW of Reggio di Calabria (183035 inhabitants)
78 Km N of Acireale (52622 inhabitants)
91 Km N 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
Reviewed
Rev100 		Md 2.0
ML 2.3 		2012-10-20
06:52:34		 38.3672 15.3218 125 2014-10-21
12:08:56		 Sala Sismica INGV-Roma 2383971
Bulletin
Rev1000 		ML 2.2 2012-10-20
06:52:34		 38.3138 15.2597 118 2014-09-19
08:14:18		 Bollettino Sismico Italiano INGV 4590321
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2012-10-20 06:52:34 ± 0.45
Latitude 38.3138 ± 0.0333
Longitude 15.2597 ± 0.0378
Depth (km) 118 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 4590321

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 3451
Semi-minor axis of confidence ellipse (meter) 2957
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 160
Circular confidence region, given by single value of horizontal uncertainty (meter) 3450.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 98
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.48
Epicentral distance of station closest to the epicenter (degree) 0.04766
Epicentral distance of station farthest from the epicenter (degree) 1.35798
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.2
Num. used stations 7
Type of magnitude ML
Reference to an origin 4590321
Agency INGV
Autore Manually reviewed by Franco Mele
Time of creation (UTC) 2014-09-18 12:47:00

ML:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 2383971
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2012-10-20 07:00:46

Md:2.0

Field Value
Value 2.0
Uncertainty 0.8
Num. used stations 6
Type of magnitude Md
Reference to an origin 2383971
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2012-10-20 07:00:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NOV.HHZ. 2012-10-20T06:53:05.54 0.6 undecidable manual S 199 33.5442 163 1.43 31
MN.CEL.HHE. 2012-10-20T06:53:05.73 0.6 undecidable manual S 96 55.5 153 -0.19 48
IV.MCSR.HHZ. 2012-10-20T06:53:04.80 0.3 undecidable manual S 185 27.75 166 1.02 57
IV.MILZ.HHE. 2012-10-20T06:53:02.22 0.6 undecidable manual S 208 5.2947 177 -0.83 42
IV.MSRU.HHE. 2012-10-20T06:53:02.77 0.6 undecidable manual S 104 22.3554 168 -0.74 43
IV.CET2.HHZ. 2012-10-20T06:53:01.02 0.1 undecidable manual P 24 147.5412 124 0.48 73
IV.HAVL.HHZ. 2012-10-20T06:52:59.91 0.3 undecidable manual P 185 150.738 124 -0.96 45
IV.MPAZ.HHZ. 2012-10-20T06:52:54.29 0.1 undecidable manual P 121 76.4679 144 0.15 92
MN.CEL.HHE. 2012-10-20T06:52:53.25 0.3 undecidable manual P 96 55.5 153 0.49 67
IV.SOI.EHZ. 2012-10-20T06:52:53.96 0.1 undecidable manual P 111 74.2701 145 -0.01 95
IV.JOPP.HHZ. 2012-10-20T06:52:53.21 0.1 undecidable manual P 59 63.3921 149 -0.03 97
IV.MTTG.HHZ. 2012-10-20T06:52:52.72 0.1 undecidable manual P 132 51.6039 154 0.18 96
IV.MSCL.HHZ. 2012-10-20T06:52:52.16 0.1 undecidable manual P 101 47.1195 156 -0.15 98
IV.MUCR.HHE. 2012-10-20T06:52:52.77 0.3 undecidable manual P 228 45.1215 157 0.56 67
IV.NOV.HHZ. 2012-10-20T06:52:52.34 0.1 undecidable manual P 199 33.5442 163 0.62 89
IV.IVPL.HHE. 2012-10-20T06:52:51.07 0.1 undecidable manual P 286 25.2525 167 -0.38 96
IV.MCSR.HHZ. 2012-10-20T06:52:51.72 0.1 undecidable manual P 185 27.75 166 0.2 100
IV.MILZ.HHE. 2012-10-20T06:52:50.41 0.1 undecidable manual P 208 5.2947 177 -0.69 90
IV.MSRU.HHE. 2012-10-20T06:52:50.93 0.1 undecidable manual P 104 22.3554 168 -0.44 96
IV.MPNC.HHE. 2012-10-20T06:52:50.86 0.3 undecidable manual P 156 20.2686 169 -0.46 71
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CET2.HHE. ML:2.1 0.00004625 0.78 AML other m 2012-10-20T06:53:22.00
IV.CET2.HHN. ML:2.3 0.00006245 0.3 AML other m 2012-10-20T06:53:22.25
IV.JOPP.HHE. ML:2.4 0.00014099999999999998 0.88 AML other m 2012-10-20T06:53:07.63
IV.JOPP.HHN. ML:2.3 0.00013550000000000001 0.6 AML other m 2012-10-20T06:53:07.46
IV.MCSR.HHE. ML:2.5 0.000227 0.94 AML other m 2012-10-20T06:53:06.96
IV.MCSR.HHN. ML:2.4 0.000189 0.3 AML other m 2012-10-20T06:53:08.12
IV.MPAZ.HHN. ML:2.0 0.0000605 0.3 AML other m 2012-10-20T06:53:10.56
IV.MPAZ.HHE. ML:1.9 0.000046299999999999994 0.66 AML other m 2012-10-20T06:53:12.68
IV.MSCL.HHN. ML:2.5 0.0002375 0.58 AML other m 2012-10-20T06:53:08.03
IV.MSCL.HHE. ML:2.6 0.000252 0.4 AML other m 2012-10-20T06:53:06.59
IV.MTTG.HHE. ML:2.1 0.00008255 1.4 AML other m 2012-10-20T06:53:08.91
IV.MTTG.HHN. ML:2.1 0.00008305 0.5 AML other m 2012-10-20T06:53:09.14
IV.NOV.HHE. ML:2.1 0.00008415 0.22 AML other m 2012-10-20T06:53:07.50
IV.NOV.HHN. ML:1.8 0.00005 1.26 AML other m 2012-10-20T06:53:08.46
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