Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 18-09-2017 and time 13:02:42 (Italy) in region Costa Cilentana (Salerno)

A magnitude ML 2.1 earthquake occured in region: Costa Cilentana (Salerno), on

  • 18-09-2017 11:02:42 (UTC)
  • 18-09-2017 13:02:42 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.0300, 15.1740 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Pisciotta SA 10 2641 2641
Centola SA 12 5168 7809
Ascea SA 13 5820 13629
San Mauro la Bruca SA 14 603 14232
Camerota SA 17 6985 21217
Casal Velino SA 19 5268 26485
Futani SA 19 1204 27689
Cuccaro Vetere SA 19 573 28262
Ceraso SA 20 2397 30659

Municipalities with at least 50000 inhabitants

An earthquake occurred to
66 Km S of Battipaglia (50786 inhabitants)
80 Km SE of Salerno (135261 inhabitants)
85 Km SE of Cava de' Tirreni (53659 inhabitants)
87 Km SW of Potenza (67122 inhabitants)
95 Km SE of Castellammare di Stabia (66466 inhabitants)
97 Km SE of Scafati (50787 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 2.1 2017-09-18
11:02:42		 40.0297 15.1745 10 2018-09-04
09:05:59		 Bollettino Sismico Italiano INGV 53584351
Reviewed
Rev100 		ML 2.3 2017-09-18
11:02:42		 40.0383 15.1787 10 2017-09-18
11:14:46		 Sala Sismica INGV-Roma 50216691
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-09-18 11:02:42 ± 0.26
Latitude 40.0297 ± 0.0081
Longitude 15.1745 ± 0.0141
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 53584351

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1241
Semi-minor axis of confidence ellipse (meter) 517
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 65
Circular confidence region, given by single value of horizontal uncertainty (meter) 1240.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 226
Number of associated phases, regardless of their use for origin computation 41
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.35
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.28963
Number of stations at which the event was observed 31
Number of stations from which data was used for origin computation 16
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 26
Type of magnitude ML
Reference to an origin 53584351
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-01-31 17:43:36

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 30
Type of magnitude ML
Reference to an origin 50216691
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-09-18 11:14:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EUCT.HNZ. 2017-09-18T11:04:47.28 3.0 undecidable manual Pg 21.65 0
IV.LEOD.HNZ. 2017-09-18T11:04:42.57 3.0 negative manual Pg 20.459999 0
IV.MCIV.HHZ. 2017-09-18T11:04:41.69 3.0 undecidable manual Sg 9.96 0
GU.ROTM.HHZ. 2017-09-18T11:04:24.49 3.0 negative manual Pn -3.33 0
CR.ZAG.BHZ. 2017-09-18T11:04:20.36 3.0 undecidable manual Pg 9.46 0
IV.FSSB.HHZ. 2017-09-18T11:03:57.65 3.0 undecidable manual Pg 10.04 0
IV.GMB.BHZ. 2017-09-18T11:03:47.74 3.0 undecidable manual Sg 4.87 0
CR.STON.BHZ. 2017-09-18T11:03:44.18 3.0 undecidable manual Pg 6.99 0
IV.MCIV.HHZ. 2017-09-18T11:03:41.97 3.0 negative manual Pn -2.22 0
MN.AQU.HHZ. 2017-09-18T11:03:34.03 3.0 undecidable manual Pg 5.5 0
IV.USI.HHZ. 2017-09-18T11:03:18.47 3.0 negative manual Pn -1.23 0
IV.CET2.HHZ. 2017-09-18T11:03:08.50 0.3 undecidable manual S 130 86.6466 50 0.34 63
IV.MRVN.HHZ. 2017-09-18T11:03:06.22 0.6 undecidable manual P 37 143.1456 50 0.31 37
IV.CELI.HHZ. 2017-09-18T11:03:05.21 3.0 positive manual P -0.79 0
IV.CAR1.HNZ. 2017-09-18T11:03:03.45 0.6 undecidable manual P 134 123.4875 50 0.57 37
IV.MCEL.HHZ. 2017-09-18T11:03:02.20 0.3 undecidable manual S 58 62.493 50 0.5 63
IV.MTMR.EHZ. 2017-09-18T11:03:01.78 3.0 undecidable manual P -0.98 0
IV.MTSN.HHZ. 2017-09-18T11:03:00.50 0.3 undecidable manual S 62 55.5 50 0.65 61
IV.SLCN.HHZ. 2017-09-18T11:03:00.50 0.3 undecidable manual S 44 55.6998 50 0.59 62
IV.SALB.HHZ. 2017-09-18T11:03:00.79 3.0 positive manual P 0.33 0
IV.CDRU.HHZ. 2017-09-18T11:02:59.10 0.3 undecidable manual S 12 52.2033 50 0.14 70
IV.SNAL.HHZ. 2017-09-18T11:02:59.55 0.6 undecidable manual P 2 99.4227 50 0.38 40
MN.CUC.HHZ. 2017-09-18T11:02:59.30 0.1 undecidable manual S 94 54.6009 50 -0.31 90
IV.PTRP.HHZ. 2017-09-18T11:02:58.52 0.6 undecidable manual P 54 92.8404 50 0.37 41
IV.MRLC.HHZ. 2017-09-18T11:02:58.09 3.0 undecidable manual P 0
IV.CET2.HHZ. 2017-09-18T11:02:57.67 0.1 undecidable manual P 130 86.6466 50 0.47 81
IV.MCRV.HHZ. 2017-09-18T11:02:57.11 0.6 undecidable manual P 360 83.5497 50 0.39 42
IV.MMN.HHZ. 2017-09-18T11:02:54.81 0.3 undecidable manual P 102 71.0733 50 0.01 69
IV.MGR.HHZ. 2017-09-18T11:02:53.80 0.1 undecidable manual S 69 34.3434 50 -0.39 91
IV.MCEL.HHZ. 2017-09-18T11:02:53.56 0.3 undecidable manual P 58 62.493 50 0.09 69
IV.SIRI.HHZ. 2017-09-18T11:02:53.12 0.1 positive manual P 74 61.1943 50 -0.15 91
IV.CMPR.HHZ. 2017-09-18T11:02:53.80 0.1 undecidable manual S 19 33.8439 50 -0.25 94
IV.MTSN.HHZ. 2017-09-18T11:02:52.30 0.1 positive manual P 62 55.5 50 -0.1 93
IV.SLCN.HHZ. 2017-09-18T11:02:52.22 0.1 undecidable manual P 44 55.6998 50 -0.22 91
MN.CUC.HHZ. 2017-09-18T11:02:51.30 0.1 positive manual P 94 54.6009 50 -0.96 71
IV.CDRU.HHZ. 2017-09-18T11:02:51.67 0.1 positive manual P 12 52.2033 50 -0.22 92
IV.BULG.HHZ. 2017-09-18T11:02:49.40 0.1 undecidable manual S 73 18.0708 118 0.08 100
IV.MGR.HHZ. 2017-09-18T11:02:48.48 0.1 positive manual P 69 34.3434 50 -0.65 84
IV.COLB.HHZ. 2017-09-18T11:02:48.07 3.0 undecidable manual P 0
IV.CMPR.HHZ. 2017-09-18T11:02:48.96 0.1 positive manual P 19 33.8439 50 -0.09 97
IV.BULG.HHZ. 2017-09-18T11:02:46.43 0.1 positive manual P 73 18.0708 118 0.11 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MCEL.HHN. ML:2.1 0.000259 0.84 AML other m 2017-09-18T11:03:04.31
IV.CMPR.HHE. ML:2.2 0.0006935 0.56 AML other m 2017-09-18T11:02:54.00
IV.MGR.HNN. ML:2.7 0.0021950000000000003 0.24 AML other m 2017-09-18T11:02:54.00
IV.MGR.HNE. ML:2.7 0.0020549999999999995 1.58 AML other m 2017-09-18T11:02:54.04
IV.MGR.HHE. ML:2.6 0.00163 1.64 AML other m 2017-09-18T11:02:54.86
IV.MGR.HHN. ML:2.8 0.002575 0.24 AML other m 2017-09-18T11:02:54.96
IV.CMPR.HHN. ML:2.0 0.0004515 0.66 AML other m 2017-09-18T11:02:55.59
IV.CDRU.HHE. ML:2.4 0.0006675 1.34 AML other m 2017-09-18T11:03:01.13
IV.MTSN.HHN. ML:2.3 0.00043100000000000007 0.32 AML other m 2017-09-18T11:03:02.06
IV.CDRU.HHN. ML:2.0 0.0002505 1.24 AML other m 2017-09-18T11:03:02.95
IV.MTSN.HHE. ML:2.0 0.0003195 0.34 AML other m 2017-09-18T11:03:03.44
MN.CUC.HNN. ML:1.7 0.00021799999999999999 0.4 AML other m 2017-09-18T11:03:04.23
MN.CUC.HHN. ML:1.7 0.000253 0.4 AML other m 2017-09-18T11:03:04.23
IV.MCEL.HNN. ML:2.0 0.0002655 0.84 AML other m 2017-09-18T11:03:04.31
MN.CUC.HNE. ML:1.8 0.000236 0.36 AML other m 2017-09-18T11:03:04.96
IV.SLCN.HHE. ML:2.2 0.0005315 1.58 AML other m 2017-09-18T11:03:04.19
IV.SLCN.HHN. ML:2.1 0.0005110000000000001 0.28 AML other m 2017-09-18T11:03:05.69
IV.SIRI.HNE. ML:2.3 0.000435 0.26 AML other m 2017-09-18T11:03:06.33
IV.SIRI.HHE. ML:2.4 0.000451 0.26 AML other m 2017-09-18T11:03:06.33
IV.SLCN.HNN. ML:2.2 0.0005525 0.54 AML other m 2017-09-18T11:03:06.28
IV.MCEL.HNE. ML:1.9 0.000179 0.34 AML other m 2017-09-18T11:03:07.44
IV.MCEL.HHE. ML:1.9 0.000188 0.34 AML other m 2017-09-18T11:03:07.44
IV.SIRI.HHN. ML:2.2 0.0003055 0.26 AML other m 2017-09-18T11:03:07.65
IV.SIRI.HNN. ML:2.2 0.00029700000000000006 0.26 AML other m 2017-09-18T11:03:07.65
IV.SLCN.HNE. ML:2.2 0.00046950000000000003 0.6 AML other m 2017-09-18T11:03:12.20
MN.CUC.HHE. ML:1.8 0.00016436825 1.1584 AML other m 2017-09-18T11:03:00.48
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