Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 23-09-2015 and time 06:45:52 (Italy) in region Costa Cilentana (Salerno)

A magnitude ML 2.2 earthquake occured in region: Costa Cilentana (Salerno), on

  • 23-09-2015 04:45:52 (UTC)
  • 23-09-2015 06:45:52 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 39.9660, 15.2370 at 10 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
Centola SA 13 5168 5168
Camerota SA 14 6985 12153
Pisciotta SA 16 2641 14794
San Mauro la Bruca SA 18 603 15397

Municipalities with at least 50000 inhabitants

An earthquake occurred to
75 Km S of Battipaglia (50786 inhabitants)
89 Km SE of Salerno (135261 inhabitants)
89 Km SW of Potenza (67122 inhabitants)
93 Km SE of Cava de' Tirreni (53659 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 2015-09-23
04:45:52		 39.9658 15.2367 11 2016-02-19
13:21:47		 Bollettino Sismico Italiano INGV 22641571
Reviewed
Rev100 		ML 2.2 2015-09-23
04:45:52		 39.9948 15.2828 14 2015-09-23
04:51:09		 Sala Sismica INGV-Roma 21542471
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2015-09-23 04:45:52 ± 0.27
Latitude 39.9658 ± 0.0072
Longitude 15.2367 ± 0.0164
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 22641571

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1478
Semi-minor axis of confidence ellipse (meter) 475
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 74
Circular confidence region, given by single value of horizontal uncertainty (meter) 1480.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 233
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.38
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.12865
Number of stations at which the event was observed 15
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 22641571
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-12-10 11:08:10

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 21542471
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2015-09-23 04:51:07
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LPEL.HHZ. 2015-09-23T04:46:54.99 3.0 undecidable manual Sn -0.07 0
IV.CELI.HHZ. 2015-09-23T04:46:28.55 0.3 undecidable manual S 120 125.2746 50 0.3 57
IV.CAR1.HHZ. 2015-09-23T04:46:24.99 0.1 undecidable manual S 133 114.7962 50 -0.47 75
IV.CET2.HHZ. 2015-09-23T04:46:15.92 0.1 undecidable manual S 128 78.0663 50 0.26 85
IV.T0702.EHZ. 2015-09-23T04:46:15.70 0.1 undecidable manual S 110 77.0673 50 0.32 84
IV.CELI.HHZ. 2015-09-23T04:46:13.51 0.1 undecidable manual P 120 125.2746 50 0.48 74
IV.MCEL.HHZ. 2015-09-23T04:46:11.47 0.1 undecidable manual S 50 62.2932 50 0.03 92
IV.CAR1.HHZ. 2015-09-23T04:46:11.25 0.1 undecidable manual P 133 114.7962 50 -0.16 81
IV.CDRU.HHZ. 2015-09-23T04:46:10.74 0.1 undecidable manual S 6 58.3971 50 0.35 87
IV.MTSN.HHZ. 2015-09-23T04:46:09.67 0.1 undecidable manual S 52 54.9006 50 0.2 90
IV.SALB.HHZ. 2015-09-23T04:46:08.81 0.1 undecidable manual P 96 94.8384 50 0.47 79
MN.CUC.HHE. 2015-09-23T04:46:07.31 0.1 undecidable manual S 86 49.3173 50 -0.66 80
IV.CET2.HHZ. 2015-09-23T04:46:06.16 0.1 negative manual P 128 78.0663 50 0.41 82
IV.T0702.EHZ. 2015-09-23T04:46:05.14 0.1 positive manual P 110 77.0673 50 -0.46 82
IV.MCEL.HHZ. 2015-09-23T04:46:03.48 0.1 undecidable manual P 50 62.2932 50 0.16 89
IV.MMN.HHZ. 2015-09-23T04:46:03.68 0.1 positive manual P 97 64.6908 50 0 92
IV.MTSN.HHZ. 2015-09-23T04:46:02.71 0.1 undecidable manual P 52 54.9006 50 0.53 83
IV.CDRU.HHZ. 2015-09-23T04:46:02.34 0.1 negative manual P 6 58.3971 50 -0.38 86
IV.SIRI.HHZ. 2015-09-23T04:46:02.91 0.1 undecidable manual P 66 58.6968 50 0.15 90
MN.CUC.HHE. 2015-09-23T04:46:00.48 0.1 undecidable manual P 86 49.3173 50 -0.83 74
IV.BULG.HHZ. 2015-09-23T04:45:59.24 0.1 undecidable manual S 44 17.2716 121 0 100
IV.CMPR.HHZ. 2015-09-23T04:45:59.60 0.1 negative manual P 8 39.4272 50 -0.2 92
IV.MGR.HHZ. 2015-09-23T04:45:58.16 0.1 undecidable manual P 55 32.9448 50 -0.64 83
IV.BULG.HHZ. 2015-09-23T04:45:56.40 0.1 negative manual P 44 17.2716 121 0.12 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BULG.HHE. ML:2.3 0.0016099999999999999 0.42 AML other m 2015-09-23T04:45:59.51
IV.BULG.HNE. ML:2.3 0.0015249999999999999 0.4 AML other m 2015-09-23T04:45:59.52
IV.BULG.HNN. ML:2.5 0.0024000000000000002 1.34 AML other m 2015-09-23T04:46:00.94
IV.BULG.HHN. ML:2.5 0.002515 1.34 AML other m 2015-09-23T04:46:00.94
IV.CDRU.HHN. ML:1.8 0.000121 0.16 AML other m 2015-09-23T04:46:12.27
IV.CDRU.HHE. ML:2.1 0.000264 0.62 AML other m 2015-09-23T04:46:13.28
IV.CELI.HHN. ML:2.2 0.00010385 1.5 AML other m 2015-09-23T04:46:30.93
IV.CELI.HHE. ML:2.1 0.0000897 0.68 AML other m 2015-09-23T04:46:34.97
IV.CET2.HHE. ML:2.4 0.000358 0.28 AML other m 2015-09-23T04:46:17.32
IV.CET2.HHN. ML:2.5 0.00047650000000000004 0.36 AML other m 2015-09-23T04:46:17.96
IV.MGR.HNE. ML:2.4 0.0012250000000000002 0.14 AML other m 2015-09-23T04:46:04.44
IV.MGR.HHE. ML:2.3 0.0008945000000000001 0.16 AML other m 2015-09-23T04:46:04.36
IV.MGR.HNN. ML:2.4 0.001217 0.14 AML other m 2015-09-23T04:46:04.36
IV.MGR.HHN. ML:2.6 0.0016400000000000002 0.14 AML other m 2015-09-23T04:46:04.36
IV.MMN.HHN. ML:1.8 0.00010515 0.54 AML other m 2015-09-23T04:46:16.28
IV.MMN.HHE. ML:1.7 0.00008444999999999999 0.22 AML other m 2015-09-23T04:46:16.74
IV.MTSN.HHN. ML:2.0 0.00024249999999999999 0.26 AML other m 2015-09-23T04:46:12.62
IV.MTSN.HHE. ML:1.9 0.00017199999999999998 0.38 AML other m 2015-09-23T04:46:15.75
IV.SALB.HHE. ML:1.6 0.0000408 0.34 AML other m 2015-09-23T04:46:30.23
IV.SALB.HHN. ML:1.4 0.000027450000000000003 1 AML other m 2015-09-23T04:46:25.19
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
Waveforms Seismic signals in miniseed + resp format Download