Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 12-12-2017 and time 15:23:39 (Italy) in region 2 km E Maratea (PZ)

A magnitude ML 1.9 earthquake occured in region: 2 km E Maratea (PZ), on

  • 12-12-2017 14:23:39 (UTC)
  • 12-12-2017 15:23:39 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 39.9930, 15.7490 at 8 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
Maratea PZ 2 5139 5139
Trecchina PZ 5 2316 7455
Tortora CS 8 6187 13642
Nemoli PZ 9 1495 15137
Rivello PZ 10 2767 17904
Aieta CS 10 823 18727
Lauria PZ 10 12919 31646
Praia a Mare CS 11 6725 38371
Sapri SA 14 6770 45141
Lagonegro PZ 15 5584 50725
Torraca SA 16 1263 51988
San Nicola Arcella CS 17 1957 53945
Papasidero CS 19 734 54679
Vibonati SA 19 3293 57972
Ispani SA 19 1026 58998
Castelluccio Inferiore PZ 19 2131 61129
Laino Borgo CS 20 1921 63050
Castelluccio Superiore PZ 20 824 63874

Municipalities with at least 50000 inhabitants

An earthquake occurred to
72 Km S of Potenza (67122 inhabitants)
89 Km NW of Cosenza (67546 inhabitants)
94 Km SE of Battipaglia (50786 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 1.9 2017-12-12
14:23:39		 39.9928 15.7492 8 2018-09-04
09:10:39		 Bollettino Sismico Italiano INGV 53080981
Reviewed
Rev100 		ML 2.0 2017-12-12
14:23:39		 39.9885 15.7467 8 2017-12-12
14:32:47		 Sala Sismica INGV-Roma 52553871
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-12-12 14:23:39 ± 0.08
Latitude 39.9928 ± 0.0045
Longitude 15.7492 ± 0.0070
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 53080981

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 620
Semi-minor axis of confidence ellipse (meter) 320
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 67
Circular confidence region, given by single value of horizontal uncertainty (meter) 620.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 152
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.60075
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 53080981
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-07-05 13:58:45

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 52553871
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-12-12 14:32:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
TV.SF01.EHZ. 2017-12-12T14:25:28.93 3.0 undecidable manual Sn -5.86 0
IV.MMO1.EHZ. 2017-12-12T14:25:25.26 3.0 undecidable manual Sg 9.04 0
IV.MMUR.HNZ. 2017-12-12T14:25:25.22 3.0 undecidable manual Sn -5.4 0
IV.CAVE.HHZ. 2017-12-12T14:25:21.18 3.0 positive manual Pg 14.33 0
IV.MSSA.HHZ. 2017-12-12T14:25:13.97 3.0 undecidable manual Pn 2.93 0
IV.RMP.HHZ. 2017-12-12T14:24:59.92 3.0 undecidable manual Sn -3.17 0
IV.HAGA.HHZ. 2017-12-12T14:24:45.44 3.0 undecidable manual Sg 0.15 0
IV.CRJA.HHZ. 2017-12-12T14:24:25.25 3.0 negative manual Pg 4.98 0
IV.T1299.EHZ. 2017-12-12T14:24:24.60 3.0 negative manual Pn -4.14 0
IV.CDRU.HHZ. 2017-12-12T14:24:00.90 0.6 undecidable manual S 326 66.6777 50 0.19 43
IV.CMPR.HHZ. 2017-12-12T14:23:57.10 0.3 undecidable manual S 314 52.3032 50 0.26 66
IV.MCEL.HHZ. 2017-12-12T14:23:52.70 0.3 undecidable manual S 7 37.1295 50 -0.1 70
IV.CDRU.HHZ. 2017-12-12T14:23:51.30 0.3 undecidable manual P 326 66.6777 50 -0.52 60
IV.GRIS.HNE. 2017-12-12T14:23:50.50 0.3 undecidable manual S 162 29.3484 105 0.28 68
IV.MTSN.HHZ. 2017-12-12T14:23:50.80 0.6 undecidable manual S 0 30.3474 104 0.25 46
IV.CMPR.HHZ. 2017-12-12T14:23:49.31 0.1 undecidable manual P 314 52.3032 50 -0.28 87
IV.SALB.HHZ. 2017-12-12T14:23:49.81 0.1 undecidable manual P 104 52.4031 50 0.2 88
IV.SLCN.HNZ. 2017-12-12T14:23:48.47 0.1 undecidable manual P 347 45.1215 50 -0.03 93
IV.MGR.HHZ. 2017-12-12T14:23:48.15 0.3 undecidable manual S 314 23.0547 108 0.01 73
IV.SIRI.HHZ. 2017-12-12T14:23:48.56 0.3 undecidable manual S 26 23.2545 108 0.36 68
IV.MMN.HHZ. 2017-12-12T14:23:48.30 0.3 undecidable manual S 119 23.4543 108 0.05 72
IV.MCEL.HHZ. 2017-12-12T14:23:46.95 0.1 undecidable manual P 7 37.1295 50 -0.31 89
IV.MTSN.HHZ. 2017-12-12T14:23:45.95 0.1 undecidable manual P 0 30.3474 104 -0.01 96
IV.GRIS.HNE. 2017-12-12T14:23:45.85 0.1 undecidable manual P 162 29.3484 105 0.08 94
IV.MMN.HHZ. 2017-12-12T14:23:44.57 0.1 undecidable manual P 119 23.4543 108 -0.06 96
IV.SIRI.HHZ. 2017-12-12T14:23:44.84 0.1 undecidable manual P 26 23.2545 108 0.24 92
IV.MGR.HHZ. 2017-12-12T14:23:44.68 0.1 negative manual P 314 23.0547 108 0.11 95
MN.CUC.HHZ. 2017-12-12T14:23:42.28 0.3 undecidable manual S 89 5.6943 144 -0.72 62
MN.CUC.HHZ. 2017-12-12T14:23:41.60 0.1 negative manual P 89 5.6943 144 0 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MGR.HHE. ML:2.0 0.0006265000000000001 0.16 AML other m 2017-12-12T14:23:48.77
IV.SIRI.HHN. ML:2.1 0.0008554999999999999 1.54 AML other m 2017-12-12T14:23:49.95
IV.SIRI.HNN. ML:2.1 0.000842 1.56 AML other m 2017-12-12T14:23:49.96
IV.MGR.HHN. ML:2.0 0.0006145 0.7 AML other m 2017-12-12T14:23:49.72
IV.SIRI.HNE. ML:2.2 0.0011600000000000002 0.4 AML other m 2017-12-12T14:23:49.27
IV.SIRI.HHE. ML:2.3 0.0012050000000000001 0.4 AML other m 2017-12-12T14:23:49.27
IV.MMN.HHE. ML:1.3 0.0001455 1.06 AML other m 2017-12-12T14:23:50.86
IV.MMN.HHN. ML:1.6 0.00022999999999999998 0.18 AML other m 2017-12-12T14:23:51.10
IV.MCEL.HNE. ML:2.0 0.0003555 0.28 AML other m 2017-12-12T14:23:52.94
IV.MCEL.HHE. ML:2.0 0.00035299999999999996 0.28 AML other m 2017-12-12T14:23:52.94
IV.MTSN.HHE. ML:1.8 0.00032299999999999994 0.44 AML other m 2017-12-12T14:23:53.70
IV.MCEL.HHN. ML:1.7 0.00020400000000000003 0.44 AML other m 2017-12-12T14:23:54.07
IV.MCEL.HNN. ML:1.7 0.000206 0.46 AML other m 2017-12-12T14:23:54.07
IV.MTSN.HHN. ML:1.7 0.0002685 0.18 AML other m 2017-12-12T14:23:54.22
IV.CDRU.HHE. ML:1.8 0.0001235 1.4 AML other m 2017-12-12T14:24:06.11
IV.CDRU.HHN. ML:1.7 0.0000906 1.58 AML other m 2017-12-12T14:24:21.93
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