Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 27-02-2021 and time 06:03:05 (Italy) in region 7 km W Castelluccio Inferiore (PZ)

A magnitude ML 1.5 earthquake occured in region: 7 km W Castelluccio Inferiore (PZ), on

  • 27-02-2021 05:03:05 (UTC)
  • 27-02-2021 06:03:05 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 39.9980, 15.8910 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
Castelluccio Inferiore PZ 7 2131 2131
Lauria PZ 7 12919 15050
Castelluccio Superiore PZ 8 824 15874
Laino Borgo CS 8 1921 17795
Aieta CS 10 823 18618
Trecchina PZ 10 2316 20934
Laino Castello CS 10 848 21782
Nemoli PZ 11 1495 23277
Tortora CS 13 6187 29464
Rotonda PZ 13 3494 32958
Papasidero CS 14 734 33692
Maratea PZ 14 5139 38831
Latronico PZ 14 4556 43387
Rivello PZ 14 2767 46154
Mormanno CS 15 3027 49181
Praia a Mare CS 15 6725 55906
Viggianello PZ 17 3025 58931
Lagonegro PZ 18 5584 64515
San Nicola Arcella CS 19 1957 66472
Episcopia PZ 20 1434 67906
Santa Domenica Talao CS 20 1263 69169

Municipalities with at least 50000 inhabitants

An earthquake occurred to
72 Km S of Potenza (67122 inhabitants)
84 Km NW of Cosenza (67546 inhabitants)
96 Km SW of Matera (60436 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 2021-02-27
05:03:05		 39.9978 15.8912 9 2021-07-12
16:55:00		 Bollettino Sismico Italiano INGV 87601761
Reviewed
Rev100 		ML 1.6 2021-02-27
05:03:05		 39.9968 15.888 9 2021-02-27
05:07:49		 Sala Sismica INGV-Roma 87527911
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-02-27 05:03:05 ± 0.04
Latitude 39.9978 ± 0.0027
Longitude 15.8912 ± 0.0035
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 87601761

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 340
Semi-minor axis of confidence ellipse (meter) 254
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 244
Circular confidence region, given by single value of horizontal uncertainty (meter) 340.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 80
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.05846
Epicentral distance of station farthest from the epicenter (degree) 0.73654
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 87601761
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-03-01 13:16:12

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 24
Type of magnitude ML
Reference to an origin 87527911
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-02-27 05:07:49
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MIGL.HHZ. 2021-02-27T05:03:19.22 0.6 undecidable manual P 34 81.7515 50 -0.26 42
IV.MGR.HHZ. 2021-02-27T05:03:16.98 0.3 undecidable manual S 299 32.5452 50 0.17 70
IV.CMPR.HHZ. 2021-02-27T05:03:16.37 0.3 undecidable manual P 306 61.1943 50 0.06 68
IV.GRIS.HNE. 2021-02-27T05:03:15.35 0.6 undecidable manual S 186 28.749 107 -0.25 46
IV.SCHR.EHZ. 2021-02-27T05:03:15.07 0.6 undecidable manual S 35 27.2505 108 -0.05 48
IV.SLCN.HHZ. 2021-02-27T05:03:14.70 0.3 undecidable manual P 333 48.7179 50 0.32 66
IV.ORI.HHN. 2021-02-27T05:03:14.30 0.3 undecidable manual P 83 47.9187 50 0.05 70
IV.CET2.HHZ. 2021-02-27T05:03:14.98 0.3 undecidable manual P 174 52.3032 50 0.05 70
IV.BULG.HHZ. 2021-02-27T05:03:13.65 0.1 undecidable manual P 282 44.5221 50 -0.08 93
IV.MCEL.HHZ. 2021-02-27T05:03:12.42 0.3 undecidable manual P 348 37.0296 50 -0.16 70
IV.GRIS.HNE. 2021-02-27T05:03:11.17 0.3 undecidable manual P 186 28.749 107 -0.02 73
IV.MMN.HHZ. 2021-02-27T05:03:11.24 0.3 undecidable manual S 145 14.5743 121 0.16 73
IV.MGR.HHZ. 2021-02-27T05:03:11.65 0.3 undecidable manual P 299 32.5452 50 -0.24 69
IV.SCHR.EHZ. 2021-02-27T05:03:10.88 0.1 undecidable manual P 35 27.2505 108 -0.03 97
IV.MMN.HHZ. 2021-02-27T05:03:08.58 0.1 positive manual P 145 14.5743 121 0 100
MN.CUC.HHZ. 2021-02-27T05:03:08.85 0.3 undecidable manual S 266 6.4935 144 -0.11 74
MN.CUC.HHZ. 2021-02-27T05:03:07.54 0.1 positive manual P 266 6.4935 144 0.18 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MCEL.HHE. ML:1.4 0.0000896 0.58 AML other m 2021-02-27T05:03:18.96
IV.MGR.HHE. ML:1.4 0.00010499999999999999 0.28 AML other m 2021-02-27T05:03:19.39
IV.MCEL.HNE. ML:1.8 0.000217 0.94 AML other m 2021-02-27T05:03:20.39
IV.MGR.HHN. ML:1.4 0.00010109999999999999 0.8 AML other m 2021-02-27T05:03:20.89
IV.MCEL.HNN. ML:1.7 0.0001795 1.4 AML other m 2021-02-27T05:03:21.78
IV.BULG.HHN. ML:1.6 0.00011855000000000002 1.6 AML other m 2021-02-27T05:03:21.05
IV.BULG.HHE. ML:1.6 0.0001245 0.48 AML other m 2021-02-27T05:03:22.76
IV.CET2.HHE. ML:1.3 0.000051250000000000006 0.46 AML other m 2021-02-27T05:03:24.33
IV.MCEL.HHN. ML:1.4 0.0001015 0.72 AML other m 2021-02-27T05:03:25.55
IV.CET2.HHN. ML:1.6 0.00010200000000000001 1.5 AML other m 2021-02-27T05:03:25.91
IV.SLCN.HHN. ML:1.5 0.00009285 0.92 AML other m 2021-02-27T05:03:26.62
IV.CMPR.HHN. ML:1.4 0.0000448 0.42 AML other m 2021-02-27T05:03:27.56
IV.CMPR.HHE. ML:1.4 0.00004625 0.34 AML other m 2021-02-27T05:03:30.71
IV.SLCN.HHE. ML:1.6 0.00011999999999999999 0.42 AML other m 2021-02-27T05:03:32.92
IV.MIGL.HHN. ML:1.6 0.00006225 1.44 AML other m 2021-02-27T05:03:42.24
IV.MIGL.HHE. ML:1.8 0.0000741 0.42 AML other m 2021-02-27T05:03:47.67
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