Earthquake with magnitude of ML 1.4 on date 28-09-2017 and time 11:23:38 (Italy) in region 2 km S Alessandria del Carretto (CS)

A magnitude ML 1.4 earthquake occured in region: 2 km S Alessandria del Carretto (CS), on

  • 28-09-2017 09:23:38 (UTC)
  • 28-09-2017 11:23:38 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 39.94, 16.386 at 23 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Alessandria del Carretto CS 2 462 462
Plataci CS 6 739 1201
San Lorenzo Bellizzi CS 7 644 1845
Albidona CS 8 1352 3197
Terranova di Pollino PZ 9 1208 4405
Cerchiara di Calabria CS 9 2385 6790
Castroregio CS 10 303 7093
San Paolo Albanese PZ 12 294 7387
Villapiana CS 12 5387 12774
Cersosimo PZ 12 656 13430
San Costantino Albanese PZ 13 729 14159
Francavilla Marittima CS 13 2910 17069
Oriolo CS 14 2223 19292
Civita CS 14 902 20194
Trebisacce CS 15 9055 29249
Frascineto CS 15 2154 31403
Amendolara CS 17 2952 34355
Montegiordano CS 17 1857 36212
Noepoli PZ 17 878 37090
Cassano all'Ionio CS 18 18495 55585
Roseto Capo Spulico CS 19 1941 57526
San Giorgio Lucano MT 20 1217 58743
Nocara CS 20 397 59140

Municipalities with at least 50000 inhabitants

An earthquake occurred to
73 Km N of Cosenza (67546 inhabitants)
83 Km S of Matera (60436 inhabitants)
92 Km SE of Potenza (67122 inhabitants)
93 Km SW of Taranto (201100 inhabitants)
100 Km S of Altamura (70396 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 1.4 2017-09-28
09:23:38
39.94 16.386 23 2018-09-04
09:06:02
Bollettino Sismico Italiano INGV 60287721
Reviewed
Rev100
ML 1.4 2017-09-28
09:23:37
39.9435 16.3542 24 2017-09-28
09:31:16
Sala Sismica INGV-Roma 50519201
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-09-28 09:23:38 ± 0.06
Latitude 39.9400 ± 0.0027
Longitude 16.3860 ± 0.0047
Depth (km) 23 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 60287721

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 380
Semi-minor axis of confidence ellipse (meter) 254
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 103
Circular confidence region, given by single value of horizontal uncertainty (meter) 380
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 164
Number of associated phases, regardless of their use for origin computation 6
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.04
Epicentral distance of station closest to the epicenter (degree) 0.07015
Epicentral distance of station farthest from the epicenter (degree) 0.46495
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 60287721
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-08-28 09:38:41

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 50519201
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-09-28 09:31:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.SIRI.HHZ. 2017-09-28T09:23:47.82 0.1 undecidable manual P 302 0.4649 106 -0.01 93
IV.ORI.HHZ. 2017-09-28T09:23:46.24 0.3 undecidable manual S 24 0.1214 145 0 75
IV.SALB.HHZ. 2017-09-28T09:23:45.50 0.3 undecidable manual S 206 0.0701 159 -0.01 75
IV.TDS.HHZ. 2017-09-28T09:23:44.90 0.1 undecidable manual P 188 0.2824 119 -0.03 97
IV.SALB.HHZ. 2017-09-28T09:23:42.47 0.1 positive manual P 206 0.0701 159 0.04 100
IV.ORI.HHZ. 2017-09-28T09:23:42.83 0.3 undecidable manual P 24 0.1214 145 -0.01 75
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SALB.HHE. ML:1.8 0.00043015795 1.66 AML other m 2017-09-28T09:23:45.01
IV.SALB.HHN. ML:1.4 0.0001755099 0.14 AML other m 2017-09-28T09:23:46.25
IV.ORI.HHE. ML:2 0.0005525928 0.22 AML other m 2017-09-28T09:23:46.68
IV.ORI.HHN. ML:1.7 0.0003059602 0.3 AML other m 2017-09-28T09:23:46.75
IV.SIRI.HNN. ML:1.2 3.5899285E-5 0.48 AML other m 2017-09-28T09:23:56.42
IV.SIRI.HNE. ML:1.2 3.647295E-5 0.4 AML other m 2017-09-28T09:23:58.54
IV.SIRI.HHE. ML:1 2.531912E-5 0.18 AML other m 2017-09-28T09:23:58.54
IV.SIRI.HHN. ML:1.2 3.9898975E-5 1.78 AML other m 2017-09-28T09:23:58.94
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