Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.7 on date 23-01-2020 and time 15:01:21 (UTC) in region 1 km W Sant'Angelo Le Fratte (PZ)

A magnitude ML 0.7 earthquake occured in region: 1 km W Sant'Angelo Le Fratte (PZ), on

  • 23-01-2020 15:01:21 (UTC)
  • 23-01-2020 16:01:21 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 40.5470, 15.5510 at 14 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
Sant'Angelo Le Fratte PZ 1 1429 1429
Savoia di Lucania PZ 3 1127 2556
Caggiano SA 5 2765 5321
Polla SA 6 5279 10600
Vietri di Potenza PZ 7 2832 13432
Satriano di Lucania PZ 7 2374 15806
Pertosa SA 9 690 16496
Salvitelle SA 9 560 17056
Sant'Arsenio SA 10 2815 19871
Brienza PZ 10 4078 23949
Atena Lucana SA 10 2336 26285
Auletta SA 11 2336 28621
San Pietro al Tanagro SA 12 1695 30316
Tito PZ 12 7332 37648
Balvano PZ 12 1830 39478
Picerno PZ 13 5985 45463
Sasso di Castalda PZ 13 835 46298
Romagnano al Monte SA 13 368 46666
San Rufo SA 15 1754 48420
Ricigliano SA 15 1144 49564
Petina SA 15 1159 50723
Baragiano PZ 15 2671 53394
Sala Consilina SA 16 12664 66058
San Gregorio Magno SA 18 4286 70344
Buccino SA 18 5047 75391
Teggiano SA 19 7976 83367
Corleto Monforte SA 19 592 83959

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km W of Potenza (67122 inhabitants)
48 Km E of Battipaglia (50786 inhabitants)
68 Km E of Salerno (135261 inhabitants)
73 Km E of Cava de' Tirreni (53659 inhabitants)
76 Km SE of Avellino (54857 inhabitants)
85 Km SW of Cerignola (58396 inhabitants)
89 Km E of Scafati (50787 inhabitants)
90 Km W of Matera (60436 inhabitants)
90 Km W of Altamura (70396 inhabitants)
92 Km SE of Benevento (60091 inhabitants)
92 Km E of Castellammare di Stabia (66466 inhabitants)
98 Km SW of Andria (100440 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 0.7 2020-01-23
15:01:21		 40.5468 15.5513 14 2020-07-18
21:08:25		 Bollettino Sismico Italiano INGV 77173861
Reviewed
Rev100 		ML 0.7 2020-01-23
15:01:20		 40.5623 15.5542 11 2020-01-23
15:09:00		 Sala Sismica INGV-Roma 75770621
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-01-23 15:01:21 ± 0.14
Latitude 40.5468 ± 0.0063
Longitude 15.5513 ± 0.0095
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 77173861

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 852
Semi-minor axis of confidence ellipse (meter) 168
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 234
Circular confidence region, given by single value of horizontal uncertainty (meter) 850.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 115
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.29678
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.6
Num. used stations 6
Type of magnitude ML
Reference to an origin 75770621
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-01-23 15:09:00

ML:0.7

Field Value
Value 0.7
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 77173861
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-03-10 14:52:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SARZ.HHZ. 2020-01-23T15:03:04.94 3.0 undecidable manual Pg 15.31 0
IV.HPAC.HHZ. 2020-01-23T15:02:59.00 3.0 undecidable manual Sn -9 0
IV.MNTV.HNZ. 2020-01-23T15:02:53.20 3.0 undecidable manual Pg 13.58 0
AC.VLO.HHZ. 2020-01-23T15:02:52.34 3.0 undecidable manual Sg 2.21 0
SL.KOGS.BHZ. 2020-01-23T15:02:35.67 3.0 undecidable manual Pn -7.85 0
IV.FIR.HHZ. 2020-01-23T15:02:32.51 3.0 undecidable manual Pg 10.11 0
IV.BDI.HHZ. 2020-01-23T15:02:25.75 3.0 undecidable manual Pn -4.13 0
IV.MAON.HHZ. 2020-01-23T15:02:19.71 3.0 undecidable manual Pg 7.34 0
IV.CSNT.HHZ. 2020-01-23T15:02:18.53 3.0 negative manual Pn -0.78 0
AC.VLO.HHZ. 2020-01-23T15:02:12.11 3.0 undecidable manual Pg 2.96 0
IV.CSLB.HHZ. 2020-01-23T15:02:11.73 3.0 negative manual Pg 7.48 0
IV.APEC.HHZ. 2020-01-23T15:02:06.03 3.0 undecidable manual Pn -6.48 0
IV.MNTT.EHZ. 2020-01-23T15:01:57.26 3.0 positive manual Pn -3.14 0
IV.CMPR.HHZ. 2020-01-23T15:01:32.46 0.6 undecidable manual S 220 32.9448 97 -0.03 49
IV.MCEL.HHZ. 2020-01-23T15:01:32.62 0.6 undecidable manual S 139 32.4453 97 0.25 47
IV.MRLC.HHE. 2020-01-23T15:01:30.84 0.6 undecidable manual S 347 23.8539 102 0.74 41
IX.COL3.HHE. 2020-01-23T15:01:30.19 0.6 undecidable manual S 310 24.2535 102 -0.02 50
IV.GATE.HHZ. 2020-01-23T15:01:30.45 3.0 undecidable manual P -3.7 0
IV.SLCN.HHZ. 2020-01-23T15:01:29.17 0.6 undecidable manual S 158 18.6702 109 0.39 47
IV.CMPR.HHZ. 2020-01-23T15:01:27.38 0.1 undecidable manual P 220 32.9448 97 -0.35 91
IV.MCEL.HHZ. 2020-01-23T15:01:27.41 0.3 undecidable manual P 139 32.4453 97 -0.25 70
IX.SRN3.HNE. 2020-01-23T15:01:27.32 0.3 undecidable manual S 229 10.3785 132 0.46 69
IX.STN3.HHZ.02 2020-01-23T15:01:26.57 0.6 undecidable manual S 102 8.6802 139 0.03 51
IV.MRLC.HHE. 2020-01-23T15:01:26.33 0.3 undecidable manual P 347 23.8539 102 -0.02 74
IX.COL3.HHE. 2020-01-23T15:01:26.16 0.3 undecidable manual P 310 24.2535 102 -0.25 71
IV.SLCN.HHZ. 2020-01-23T15:01:25.65 0.3 undecidable manual P 158 18.6702 109 0.07 75
IX.CGG3.HNN.01 2020-01-23T15:01:25.10 0.6 undecidable manual S 258 2.4975 167 -0.68 44
IX.SRN3.HNE. 2020-01-23T15:01:24.57 0.1 undecidable manual P 229 10.3785 132 0.1 100
IX.STN3.HHZ.02 2020-01-23T15:01:24.14 0.1 negative manual P 102 8.6802 139 -0.14 99
IX.CGG3.HNN.01 2020-01-23T15:01:23.92 0.3 undecidable manual P 258 2.4975 167 0.07 76
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SLCN.HHN. ML:0.8 0.000048213925 0.3072 AML other m 2020-01-23T15:01:30.50
IV.SLCN.HHE. ML:0.9 0.00005576588 0.1792 AML other m 2020-01-23T15:01:31.46
IV.CMPR.HHN. ML:0.4 0.000010885979500000001 0.256 AML other m 2020-01-23T15:01:32.97
IV.CMPR.HHE. ML:0.6 0.000013936235 0.256 AML other m 2020-01-23T15:01:32.54
IV.MCEL.HHE. ML:0.7 0.0000213707125 0.32 AML other m 2020-01-23T15:01:33.86
IV.MCEL.HHN. ML:0.6 0.000016513509999999998 0.2432 AML other m 2020-01-23T15:01:35.51
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