Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 11-12-2020 and time 04:59:20 (Italy) in region 4 km S Tramutola (PZ)

A magnitude ML 1.2 earthquake occured in region: 4 km S Tramutola (PZ), on

  • 11-12-2020 03:59:20 (UTC)
  • 11-12-2020 04:59:20 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 40.2840, 15.7870 at 11 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
Tramutola PZ 4 3089 3089
Montesano sulla Marcellana SA 7 6704 9793
Moliterno PZ 8 4062 13855
Grumento Nova PZ 9 1700 15555
Sarconi PZ 10 1404 16959
Marsicovetere PZ 11 5546 22505
Paterno PZ 11 3368 25873
Casalbuono SA 12 1194 27067
Viggiano PZ 12 3329 30396
Padula SA 13 5368 35764
Buonabitacolo SA 14 2549 38313
Spinoso PZ 15 1462 39775
Marsico Nuovo PZ 16 4098 43873
Montemurro PZ 18 1235 45108
Lagonegro PZ 18 5584 50692
Sassano SA 20 5013 55705

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km S of Potenza (67122 inhabitants)
77 Km E of Battipaglia (50786 inhabitants)
81 Km SW of Matera (60436 inhabitants)
89 Km SW of Altamura (70396 inhabitants)
97 Km E of Salerno (135261 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 1.2 2020-12-11
03:59:20		 40.2843 15.7867 11 2020-12-11
04:09:04		 Sala Sismica INGV-Roma 85350131
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-12-11 03:59:20 ± 0.09
Latitude 40.2843 ± 0.0054
Longitude 15.7867 ± 0.0071
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 85350131

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 620
Semi-minor axis of confidence ellipse (meter) 499
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 42
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) 120
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.28778
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 6
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.4
Num. used stations 8
Type of magnitude ML
Reference to an origin 85350131
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-12-11 04:09:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MTGR.HHZ. 2020-12-11T04:00:59.65 3.0 undecidable manual Sg 2.78 0
HL.VLS.HHZ. 2020-12-11T04:00:17.77 3.0 positive manual Pg 0.91 0
IV.MCT.HHZ. 2020-12-11T04:00:04.36 3.0 undecidable manual Pn -4.28 0
IV.CIGN.HHZ. 2020-12-11T03:59:47.36 3.0 undecidable manual Pg 1.77 0
IX.PGN3.HHE.02 2020-12-11T03:59:31.12 1.0 undecidable manual S 2 31.9458 50 0.04 24
IX.STN3.HHZ.02 2020-12-11T03:59:30.00 0.6 undecidable manual S 337 29.5482 50 -0.44 45
IV.MGR.HHZ. 2020-12-11T03:59:29.39 0.3 undecidable manual S 231 25.5522 50 0.01 74
IV.SCHR.EHZ. 2020-12-11T03:59:29.35 0.3 undecidable manual S 111 26.2515 50 -0.2 71
IV.SLCN.HHE. 2020-12-11T03:59:27.58 0.3 undecidable manual S 312 17.5713 50 0.35 70
IX.STN3.HHZ.02 2020-12-11T03:59:26.01 0.3 undecidable manual P 337 29.5482 50 -0.05 73
IX.PGN3.HHE.02 2020-12-11T03:59:26.55 0.3 undecidable manual P 2 31.9458 50 0.12 71
IV.MGR.HHZ. 2020-12-11T03:59:25.33 0.3 undecidable manual P 231 25.5522 50 -0.12 72
IV.SCHR.EHZ. 2020-12-11T03:59:25.85 0.1 undecidable manual P 111 26.2515 50 0.3 93
IV.SLCN.HHE. 2020-12-11T03:59:24.09 0.1 undecidable manual P 312 17.5713 50 -0.12 98
IV.MCEL.HHZ. 2020-12-11T03:59:24.32 0.3 undecidable manual S 16 4.6953 157 0.08 75
IV.MCEL.HHZ. 2020-12-11T03:59:22.37 0.1 negative manual P 16 4.6953 157 -0.11 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MCEL.HHE. ML:1.4 0.00034399999999999996 0.42 AML other m 2020-12-11T03:59:24.48
IV.MCEL.HHN. ML:1.2 0.0002275 0.3 AML other m 2020-12-11T03:59:24.53
IV.MCEL.HNE. ML:2.0 0.00156 0.52 AML other m 2020-12-11T03:59:25.79
IV.MCEL.HNN. ML:1.5 0.00052836045 0.2432 AML other m 2020-12-11T03:59:24.89
IV.MGR.HHE. ML:0.2 0.000009005902500000001 0.2208 AML other m 2020-12-11T03:59:29.47
IV.MGR.HHN. ML:0.4 0.000015520955 0.2976 AML other m 2020-12-11T03:59:29.60
IV.MGR.HNE. ML:1.0 0.000050223775 0.3904 AML other m 2020-12-11T03:59:29.39
IV.MGR.HNN. ML:1.3 0.00010379986999999999 0.4096 AML other m 2020-12-11T03:59:30.43
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