Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 17-01-2021 and time 11:25:51 (Italy) in region 2 km W Francavilla in Sinni (PZ)

A magnitude ML 1.3 earthquake occured in region: 2 km W Francavilla in Sinni (PZ), on

  • 17-01-2021 10:25:51 (UTC)
  • 17-01-2021 11:25:51 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 40.0780, 16.1780 at 22 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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 2 4215 4215
Fardella PZ 4 627 4842
Teana PZ 6 613 5455
Chiaromonte PZ 6 1965 7420
Episcopia PZ 7 1434 8854
San Severino Lucano PZ 7 1563 10417
Calvera PZ 9 387 10804
Carbone PZ 10 638 11442
San Costantino Albanese PZ 12 729 12171
Senise PZ 12 7115 19286
Castronuovo di Sant'Andrea PZ 13 1067 20353
Noepoli PZ 13 878 21231
Viggianello PZ 14 3025 24256
San Paolo Albanese PZ 14 294 24550
Latronico PZ 14 4556 29106
Cersosimo PZ 15 656 29762
Terranova di Pollino PZ 15 1208 30970
San Chirico Raparo PZ 15 1084 32054
Roccanova PZ 16 1543 33597
Rotonda PZ 18 3494 37091
Castelsaraceno PZ 19 1384 38475
Castelluccio Superiore PZ 19 824 39299
San Giorgio Lucano MT 19 1217 40516
Castelluccio Inferiore PZ 19 2131 42647

Municipalities with at least 50000 inhabitants

An earthquake occurred to
70 Km SE of Potenza (67122 inhabitants)
75 Km SW of Matera (60436 inhabitants)
87 Km N of Cosenza (67546 inhabitants)
89 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
Reviewed
Rev100 		ML 1.3 2021-01-17
10:25:51		 40.0777 16.1778 22 2021-01-17
10:33:00		 Sala Sismica INGV-Roma 86326641
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-01-17 10:25:51 ± 0.21
Latitude 40.0777 ± 0.0054
Longitude 16.1778 ± 0.0094
Depth (km) 22 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 86326641

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 754
Semi-minor axis of confidence ellipse (meter) 239
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 270
Circular confidence region, given by single value of horizontal uncertainty (meter) 750.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 64
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.14389
Epicentral distance of station farthest from the epicenter (degree) 0.57467
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 86326641
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-01-17 10:33:00
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CET2.HHE. 2021-01-17T10:26:11.48 0.6 undecidable manual S 197 63.7917 102 0.32 44
IV.GRIS.EHE. 2021-01-17T10:26:07.00 0.6 undecidable manual S 217 46.5201 108 0.3 45
IV.MCEL.HHZ. 2021-01-17T10:26:05.53 0.6 undecidable manual S 311 42.0246 110 -0.04 48
IV.CRAC.EHE. 2021-01-17T10:26:05.89 0.6 undecidable manual S 33 40.1265 111 0.8 39
IV.CET2.HHE. 2021-01-17T10:26:02.96 0.1 undecidable manual P 197 63.7917 102 0.17 90
IV.SIRI.HHZ. 2021-01-17T10:26:02.61 0.6 undecidable manual S 294 28.749 120 0.26 47
MN.CUC.HHZ. 2021-01-17T10:26:02.76 0.6 undecidable manual S 253 32.1456 117 -0.38 46
IV.SALB.HHZ. 2021-01-17T10:26:01.12 0.6 undecidable manual S 147 26.4513 123 -0.71 42
IV.ORI.HHZ. 2021-01-17T10:26:01.87 0.6 undecidable manual S 97 23.3544 127 0.72 41
IV.MMN.HHZ. 2021-01-17T10:26:01.67 0.6 undecidable manual S 218 26.1516 123 -0.09 49
IV.GRIS.EHE. 2021-01-17T10:26:01.11 0.6 undecidable manual P 217 46.5201 108 0.9 37
IV.PTRP.HHE. 2021-01-17T10:26:00.82 0.1 undecidable manual P 349 50.2164 106 0.06 95
IV.TDS.HHE. 2021-01-17T10:26:00.55 0.1 undecidable manual P 164 48.3183 107 0.08 95
IV.SCHR.EHZ. 2021-01-17T10:25:59.86 0.3 undecidable manual S 327 15.9729 139 0.14 74
IV.MCEL.HHZ. 2021-01-17T10:25:59.22 0.6 negative manual P 311 42.0246 110 -0.34 45
MN.CUC.HHZ. 2021-01-17T10:25:58.09 0.6 positive manual P 253 32.1456 117 -0.07 49
IV.CRAC.EHE. 2021-01-17T10:25:58.93 0.1 undecidable manual P 33 40.1265 111 -0.36 90
IV.SIRI.HHZ. 2021-01-17T10:25:57.40 0.6 negative manual P 294 28.749 120 -0.31 47
IV.MMN.HHZ. 2021-01-17T10:25:57.39 0.1 undecidable manual P 218 26.1516 123 0.03 99
IV.ORI.HHZ. 2021-01-17T10:25:57.04 0.1 undecidable manual P 97 23.3544 127 0.03 100
IV.SALB.HHZ. 2021-01-17T10:25:56.76 0.1 positive manual P 147 26.4513 123 -0.64 86
IV.SCHR.EHZ. 2021-01-17T10:25:55.82 1.0 negative manual P 327 15.9729 139 -0.36 24
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SCHR.EHE. ML:1.3 0.00012475115 0.16 AML other m 2021-01-17T10:26:00.61
IV.SCHR.EHN. ML:1.3 0.000116257 0.2624 AML other m 2021-01-17T10:26:00.28
IV.SALB.HHN. ML:1.4 0.000116588115 0.16 AML other m 2021-01-17T10:26:01.74
IV.SALB.HHE. ML:1.5 0.00015099999999999998 0.1 AML other m 2021-01-17T10:26:02.11
IV.SIRI.HHN. ML:1.4 0.00008900796499999999 0.224 AML other m 2021-01-17T10:26:04.86
IV.SIRI.HHE. ML:1.3 0.00008474999999999999 0.16 AML other m 2021-01-17T10:26:04.75
MN.CUC.HHN. ML:1.1 0.000043349999999999997 0.3 AML other m 2021-01-17T10:26:05.84
IV.MCEL.HHN. ML:1.6 0.00012040000000000001 0.34 AML other m 2021-01-17T10:26:06.13
MN.CUC.HHE. ML:1.0 0.000039529275 0.1984 AML other m 2021-01-17T10:26:06.04
IV.MCEL.HHE. ML:1.5 0.00009725 1.86 AML other m 2021-01-17T10:26:06.06
IV.SIRI.HNE. ML:1.4 0.00008754458500000001 0.1856 AML other m 2021-01-17T10:26:04.67
IV.SIRI.HNN. ML:1.3 0.000072645565 0.1984 AML other m 2021-01-17T10:26:04.76
MN.CUC.HNE. ML:1.3 0.000072624515 0.7232 AML other m 2021-01-17T10:26:09.55
MN.CUC.HNN. ML:1.2 0.000059089495 0.7744 AML other m 2021-01-17T10:26:04.47
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