Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 17-09-2014 and time 06:34:37 (Italy) in region Tirreno Meridionale (MARE)

A magnitude ML 2.2 earthquake occured in region: Tirreno Meridionale (MARE), on

  • 17-09-2014 04:34:37 (UTC)
  • 17-09-2014 06:34:37 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.4520, 15.2720 at 131 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
38 Km NW of Messina (238439 inhabitants)
50 Km NW of Reggio di Calabria (183035 inhabitants)
94 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
Bulletin
Rev1000 		ML 2.2 2014-09-17
04:34:37		 38.4515 15.2715 131 2015-09-21
09:39:02		 Bollettino Sismico Italiano INGV 17352601
Reviewed
Rev100 		ML 2.1 2014-09-17
04:34:37		 38.7393 15.3973 119 2014-10-21
12:08:56		 Sala Sismica INGV-Roma 8382931
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2014-09-17 04:34:37 ± 0.4
Latitude 38.4515 ± 0.0315
Longitude 15.2715 ± 0.0322
Depth (km) 131 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 17352601

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 3404
Semi-minor axis of confidence ellipse (meter) 2634
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 165
Circular confidence region, given by single value of horizontal uncertainty (meter) 3400.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 208
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.43
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.35258
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 17352601
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-03-03 13:42:35

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 7
Type of magnitude ML
Reference to an origin 8382931
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2014-09-17 04:41:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PLAC.HHZ. 2014-09-17T04:35:17.82 0.3 undecidable manual S 90 101.3208 139 0.91 53
IV.ALJA.HHZ. 2014-09-17T04:35:17.11 3.0 undecidable manual Pg 8.24 0
IV.MPAZ.HHZ. 2014-09-17T04:35:14.68 0.6 undecidable manual S 131 84.6486 145 -0.01 48
IV.SOI.EHZ. 2014-09-17T04:35:13.47 0.6 undecidable manual S 121 80.0643 146 -0.66 41
IV.AIO.HHZ. 2014-09-17T04:35:12.52 0.6 undecidable manual S 184 53.4021 156 1.17 35
IV.MTTG.HHZ. 2014-09-17T04:35:12.49 0.6 undecidable manual S 143 62.1933 153 0.32 47
IV.NOV.HHZ. 2014-09-17T04:35:12.66 0.6 undecidable manual S 194 48.4182 158 1.73 25
IV.JOPP.HHZ. 2014-09-17T04:35:11.72 0.6 undecidable manual S 72 55.9995 155 0.14 50
IV.MCSR.HHZ. 2014-09-17T04:35:11.48 0.6 undecidable manual S 185 43.0236 160 0.96 39
IV.T0702.EHZ. 2014-09-17T04:35:10.33 3.0 negative manual Pg 3.76 0
IV.ATN.BHZ. 2014-09-17T04:35:09.26 0.3 undecidable manual S 152 36.5412 163 -0.82 62
IV.MPNC.HHZ. 2014-09-17T04:35:09.69 0.3 undecidable manual S 168 34.5432 164 -0.28 75
IV.MILZ.HHZ. 2014-09-17T04:35:08.74 0.3 undecidable manual S 190 20.2686 171 -0.55 72
IV.CELI.HHZ. 2014-09-17T04:35:05.22 0.1 undecidable manual P 45 150.1386 127 0.39 77
IV.SERS.HHZ. 2014-09-17T04:35:03.98 0.1 undecidable manual P 62 138.6612 130 0.26 82
IV.CAR1.HHZ. 2014-09-17T04:35:02.01 0.1 undecidable manual P 42 120.4905 134 -0.02 90
IV.PLAC.HHZ. 2014-09-17T04:35:00.35 0.1 undecidable manual P 90 101.3208 139 -0.05 93
IV.SOI.EHZ. 2014-09-17T04:34:58.49 0.3 undecidable manual P 121 80.0643 146 -0.3 69
IV.MPAZ.HHZ. 2014-09-17T04:34:58.88 0.3 undecidable manual P 131 84.6486 145 -0.24 69
IV.MTTG.HHZ. 2014-09-17T04:34:57.57 0.1 undecidable manual P 143 62.1933 153 -0.09 99
IV.NOV.HHZ. 2014-09-17T04:34:57.61 0.1 undecidable manual P 194 48.4182 158 0.66 88
IV.AIO.HHZ. 2014-09-17T04:34:57.51 0.3 undecidable manual P 184 53.4021 156 0.32 72
IV.MPNC.HHZ. 2014-09-17T04:34:56.17 0.3 positive manual P 168 34.5432 164 -0.22 76
IV.MCSR.HHZ. 2014-09-17T04:34:56.88 0.3 undecidable manual P 185 43.0236 160 0.17 76
IV.JOPP.HHZ. 2014-09-17T04:34:56.92 0.1 undecidable manual P 72 55.9995 155 -0.4 94
IV.MILZ.HHZ. 2014-09-17T04:34:55.60 0.1 positive manual P 190 20.2686 171 -0.4 100
IV.ATN.BHZ. 2014-09-17T04:34:55.84 0.1 undecidable manual P 152 36.5412 163 -0.62 91
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.JOPP.HHN. ML:2.1 0.0000706 0.66 AML other m 2014-09-17T04:35:12.32
IV.JOPP.HHE. ML:1.8 0.00004245 0.6 AML other m 2014-09-17T04:35:12.34
IV.MCSR.HHN. ML:2.7 0.00027649999999999994 0.28 AML other m 2014-09-17T04:35:14.55
IV.MCSR.HHE. ML:2.5 0.00020250000000000002 0.28 AML other m 2014-09-17T04:35:14.84
IV.MILZ.HHN. ML:2.2 0.000107 0.34 AML other m 2014-09-17T04:35:09.09
IV.MILZ.HHE. ML:2.4 0.000163 0.3 AML other m 2014-09-17T04:35:09.33
IV.MPAZ.HHE. ML:2.0 0.000048299999999999995 1.26 AML other m 2014-09-17T04:35:00.17
IV.MPAZ.HHN. ML:2.1 0.00005265 1.26 AML other m 2014-09-17T04:35:16.15
IV.MPNC.HHN. ML:2.3 0.000132 0.36 AML other m 2014-09-17T04:35:12.90
IV.MPNC.HHE. ML:2.2 0.00009845 0.58 AML other m 2014-09-17T04:35:11.28
IV.NOV.HHE. ML:2.4 0.0001465 0.94 AML other m 2014-09-17T04:35:13.24
IV.NOV.HHN. ML:2.3 0.00011449999999999999 0.3 AML other m 2014-09-17T04:35:13.68
IV.PLAC.HHN. ML:1.9 0.0000371 0.62 AML other m 2014-09-17T04:35:18.07
IV.PLAC.HHE. ML:2.0 0.000042 0.28 AML other m 2014-09-17T04:35:18.59
IV.SERS.HHE. ML:1.7 0.00001495 1.02 AML other m 2014-09-17T04:35:25.87
IV.SERS.HHN. ML:1.7 0.00001315 0.54 AML other m 2014-09-17T04:35:25.15
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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