Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 19-03-2015 and time 12:22:41 (Italy) in region Costa Cilentana (Salerno)

A magnitude ML 1.6 earthquake occured in region: Costa Cilentana (Salerno), on

  • 19-03-2015 11:22:41 (UTC)
  • 19-03-2015 12:22:41 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 40.1460, 15.0210 at 9 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
Pollica SA 6 2393 2393
Casal Velino SA 9 5268 7661
San Mauro Cilento SA 9 889 8550
Montecorice SA 10 2628 11178
Serramezzana SA 11 331 11509
Stella Cilento SA 11 738 12247
Omignano SA 13 1645 13892
Perdifumo SA 14 1790 15682
Sessa Cilento SA 14 1337 17019
Ascea SA 14 5820 22839
Castelnuovo Cilento SA 16 2732 25571
Lustra SA 16 1075 26646
Castellabate SA 17 9188 35834
Laureana Cilento SA 17 1174 37008
Rutino SA 18 842 37850
Salento SA 18 1977 39827
Pisciotta SA 19 2641 42468
Torchiara SA 20 1871 44339

Municipalities with at least 50000 inhabitants

An earthquake occurred to
52 Km S of Battipaglia (50786 inhabitants)
63 Km SE of Salerno (135261 inhabitants)
67 Km SE of Cava de' Tirreni (53659 inhabitants)
76 Km SE of Castellammare di Stabia (66466 inhabitants)
79 Km SE of Scafati (50787 inhabitants)
86 Km SW of Potenza (67122 inhabitants)
88 Km S of Avellino (54857 inhabitants)
90 Km SE of Torre del Greco (86275 inhabitants)
93 Km SE of Ercolano (53709 inhabitants)
94 Km SE of Portici (55274 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 1.6 2015-03-19
11:22:41		 40.1463 15.0213 9 2015-10-19
09:27:47		 Bollettino Sismico Italiano INGV 20620741
Reviewed
Rev100 		ML 1.5 2015-03-19
11:22:42		 40.1333 15.0778 8 2015-03-19
19:22:23		 Sala Sismica INGV-Roma 17876851
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2015-03-19 11:22:41 ± 0.35
Latitude 40.1463 ± 0.0162
Longitude 15.0213 ± 0.0165
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 20620741

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1795
Semi-minor axis of confidence ellipse (meter) 1388
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 3
Circular confidence region, given by single value of horizontal uncertainty (meter) 1790.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 266
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.27519
Epicentral distance of station farthest from the epicenter (degree) 0.89572
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.1
Num. used stations 1
Type of magnitude ML
Reference to an origin 20620741
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-07-31 08:18:16

ML:1.5

Field Value
Value 1.5
Uncertainty 0.1
Num. used stations 1
Type of magnitude ML
Reference to an origin 17876851
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2015-03-19 19:22:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SIRI.HHZ. 2015-03-19T11:23:03.48 0.6 undecidable manual S 87 71.8725 50 -0.04 49
IV.MTSN.HHZ. 2015-03-19T11:23:00.81 0.6 undecidable manual S 78 63.2922 50 -0.42 46
IV.CAFE.HHE. 2015-03-19T11:22:58.18 0.6 undecidable manual P 10 99.4227 50 -0.23 44
IV.MGR.HHE. 2015-03-19T11:22:56.49 0.6 undecidable manual S 91 45.1215 50 0.1 51
IV.SCHR.EHE. 2015-03-19T11:22:56.52 0.6 undecidable manual P 86 89.5437 50 -0.36 44
IV.MRLC.HHE. 2015-03-19T11:22:55.49 0.6 undecidable manual P 30 78.366 50 0.34 45
IV.SIRI.HHZ. 2015-03-19T11:22:54.25 0.6 undecidable manual P 87 71.8725 50 0.1 48
MN.CUC.HHE. 2015-03-19T11:22:54.20 0.6 undecidable manual P 104 69.4749 50 0.41 45
TV.AG51.EHE. 2015-03-19T11:22:54.48 0.6 undecidable manual P 77 72.372 50 0.25 47
IV.MTSN.HHZ. 2015-03-19T11:22:53.29 0.3 undecidable manual P 78 63.2922 50 0.46 68
IV.MCEL.HHZ. 2015-03-19T11:22:53.71 0.6 undecidable manual P 73 68.9754 50 0 49
IV.CMPR.HHE. 2015-03-19T11:22:52.58 0.3 undecidable manual S 51 30.5472 106 0.21 76
IV.MGR.HHE. 2015-03-19T11:22:49.76 0.1 undecidable manual P 91 45.1215 50 -0.27 97
IV.CMPR.HHE. 2015-03-19T11:22:47.44 0.1 undecidable manual P 51 30.5472 106 -0.27 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SIRI.HHE. ML:1.6 0.00007035 0.28 AML other m 2015-03-19T11:22:59.74
IV.SIRI.HHN. ML:1.5 0.000049250000000000004 1.46 AML other m 2015-03-19T11:23:13.31
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