Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 16-01-2021 and time 04:01:29 (UTC) in region 3 km SW Francavilla in Sinni (PZ)

A magnitude ML 1.5 earthquake occured in region: 3 km SW Francavilla in Sinni (PZ), on

  • 16-01-2021 04:01:29 (UTC)
  • 16-01-2021 05:01:29 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 40.0670, 16.1800 at 22 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
Francavilla in Sinni PZ 3 4215 4215
Fardella PZ 6 627 4842
San Severino Lucano PZ 6 1563 6405
Episcopia PZ 7 1434 7839
Teana PZ 7 613 8452
Chiaromonte PZ 7 1965 10417
Calvera PZ 10 387 10804
San Costantino Albanese PZ 11 729 11533
Carbone PZ 11 638 12171
Senise PZ 13 7115 19286
Viggianello PZ 13 3025 22311
Noepoli PZ 13 878 23189
Castronuovo di Sant'Andrea PZ 14 1067 24256
San Paolo Albanese PZ 14 294 24550
Terranova di Pollino PZ 14 1208 25758
Cersosimo PZ 15 656 26414
Latronico PZ 15 4556 30970
San Chirico Raparo PZ 16 1084 32054
Roccanova PZ 17 1543 33597
Rotonda PZ 18 3494 37091
Castelluccio Superiore PZ 18 824 37915
San Giorgio Lucano MT 19 1217 39132
Castelluccio Inferiore PZ 19 2131 41263
Castelsaraceno PZ 19 1384 42647

Municipalities with at least 50000 inhabitants

An earthquake occurred to
71 Km SE of Potenza (67122 inhabitants)
76 Km SW of Matera (60436 inhabitants)
86 Km N of Cosenza (67546 inhabitants)
90 Km SW 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 1.5 2021-01-16
04:01:29		 40.0667 16.18 22 2021-07-12
16:54:57		 Bollettino Sismico Italiano INGV 86885381
Reviewed
Rev100 		ML 1.6 2021-01-16
04:01:29		 40.0757 16.1938 27 2021-01-16
04:08:57		 Sala Sismica INGV-Roma 86288571
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-01-16 04:01:29 ± 0.15
Latitude 40.0667 ± 0.0063
Longitude 16.1800 ± 0.0071
Depth (km) 22 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 86885381

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 548
Semi-minor axis of confidence ellipse (meter) 485
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 339
Circular confidence region, given by single value of horizontal uncertainty (meter) 550.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 74
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.15468
Epicentral distance of station farthest from the epicenter (degree) 0.61334
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 86288571
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-01-16 04:08:57

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 86885381
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-02-06 16:15:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MGR.HHZ. 2021-01-16T04:01:46.40 1.0 undecidable manual S 279 53.7018 105 -0.33 23
IV.CRAC.EHN. 2021-01-16T04:01:44.27 0.6 undecidable manual S 32 41.0256 111 0.76 41
IV.MCEL.HHZ. 2021-01-16T04:01:44.08 0.3 undecidable manual S 312 43.0236 110 0.09 74
IV.BULG.HHN. 2021-01-16T04:01:42.10 1.0 undecidable manual P 271 68.0763 101 0.48 21
MN.CUC.HHE. 2021-01-16T04:01:41.20 0.6 undecidable manual S 255 32.0457 117 -0.1 50
IV.SLCN.HNZ. 2021-01-16T04:01:40.45 0.6 undecidable manual P 308 58.5969 104 0.26 46
IV.ORI.HHZ. 2021-01-16T04:01:39.18 0.6 undecidable manual S 94 23.0547 128 -0.09 51
IV.MMN.HHE. 2021-01-16T04:01:39.91 0.3 undecidable manual S 220 25.2525 125 0.15 74
IV.MGR.HHZ. 2021-01-16T04:01:39.63 0.3 undecidable manual P 279 53.7018 105 0.17 71
IV.SALB.HHZ. 2021-01-16T04:01:39.48 0.1 undecidable manual S 146 25.3524 125 -0.28 98
IV.PTRP.HHZ. 2021-01-16T04:01:38.88 0.3 undecidable manual P 349 51.4152 106 -0.24 70
IV.SCHR.EHZ. 2021-01-16T04:01:38.05 0.6 undecidable manual S 329 17.1717 137 -0.06 51
IV.CRAC.EHN. 2021-01-16T04:01:37.61 0.6 undecidable manual P 32 41.0256 111 0.01 50
IV.MCEL.HHZ. 2021-01-16T04:01:37.53 0.1 undecidable manual P 312 43.0236 110 -0.35 92
MN.CUC.HHE. 2021-01-16T04:01:36.46 0.3 undecidable manual P 255 32.0457 117 0.14 74
IV.SALB.HHZ. 2021-01-16T04:01:35.17 0.6 undecidable manual P 146 25.3524 125 -0.27 49
IV.ORI.HHZ. 2021-01-16T04:01:35.28 0.1 undecidable manual P 94 23.0547 128 0.12 100
IV.MMN.HHE. 2021-01-16T04:01:35.87 0.3 undecidable manual P 220 25.2525 125 0.43 70
IV.SCHR.EHZ. 2021-01-16T04:01:34.29 0.1 undecidable manual P 329 17.1717 137 -0.2 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SCHR.EHN. ML:1.2 0.000097558225 0.1408 AML other m 2021-01-16T04:01:38.91
IV.SCHR.EHE. ML:1.3 0.00011073349 0.1984 AML other m 2021-01-16T04:01:38.88
IV.SALB.HHN. ML:1.2 0.000081517865 0.1792 AML other m 2021-01-16T04:01:39.99
IV.SALB.HHE. ML:1.4 0.00010783847499999999 0.1216 AML other m 2021-01-16T04:01:40.37
IV.ORI.HHE. ML:1.5 0.00015184 0.32 AML other m 2021-01-16T04:01:42.97
IV.ORI.HHN. ML:1.5 0.00015000000000000001 0.34 AML other m 2021-01-16T04:01:44.29
IV.MCEL.HNN. ML:1.8 0.0001861358 0.32 AML other m 2021-01-16T04:01:46.53
IV.MCEL.HNE. ML:2.0 0.00027249999999999996 0.52 AML other m 2021-01-16T04:01:46.63
IV.MCEL.HHE. ML:1.5 0.000081129285 0.1408 AML other m 2021-01-16T04:01:45.30
IV.MCEL.HHN. ML:1.6 0.000104933655 0.3008 AML other m 2021-01-16T04:01:44.38
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