Earthquake with magnitude of ML 0.7 on date 20-12-2020 and time 22:07:04 (UTC) in region Golfo di Policastro (Salerno, Potenza)

A magnitude ML 0.7 earthquake occured in region: Golfo di Policastro (Salerno, Potenza), on

  • 20-12-2020 22:07:04 (UTC)
  • 20-12-2020 23:07:04 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 39.9390, 15.5140 at 21 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
San Giovanni a Piro SA 14 3780 3780
Camerota SA 16 6985 10765
Ispani SA 17 1026 11791
Sapri SA 18 6770 18561
Santa Marina SA 19 3243 21804
Maratea PZ 19 5139 26943
Vibonati SA 19 3293 30236
Celle di Bulgheria SA 20 1922 32158
Roccagloriosa SA 20 1722 33880

Municipalities with at least 50000 inhabitants

An earthquake occurred to
82 Km SW of Potenza (67122 inhabitants)
87 Km SE of Battipaglia (50786 inhabitants)
96 Km NW of Cosenza (67546 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 0.7 2020-12-20
22:07:04
39.9392 15.5135 21 2020-12-20
22:11:53
Sala Sismica INGV-Roma 85588381
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-12-20 22:07:04 ± 0.27
Latitude 39.9392 ± 0.0144
Longitude 15.5135 ± 0.0199
Depth (km) 21 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 85588381

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1853
Semi-minor axis of confidence ellipse (meter) 1315
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 52
Circular confidence region, given by single value of horizontal uncertainty (meter) 1850.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 196
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 10
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.41099
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 5
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.3
Num. used stations 4
Type of magnitude ML
Reference to an origin 85588381
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-12-20 22:11:53
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CMPR.HHZ. 2020-12-20T22:07:19.46 0.3 undecidable manual S 337 45.621 106 0.16 93
IV.GRIS.HNE. 2020-12-20T22:07:16.68 0.3 undecidable manual S 127 36.3414 112 -0.27 92
MN.CUC.HHZ. 2020-12-20T22:07:14.60 0.3 undecidable manual S 77 26.3514 121 0.05 99
IV.BULG.HHZ. 2020-12-20T22:07:13.11 0.3 undecidable manual S 323 19.2696 131 0.1 98
IV.MGR.HHZ. 2020-12-20T22:07:13.63 0.3 undecidable manual S 9 22.2555 126 0 100
IV.GRIS.HNE. 2020-12-20T22:07:12.10 0.3 undecidable manual P 127 36.3414 112 0.51 88
XK.GIZZ.HHZ. 2020-12-20T22:07:12.02 3.0 undecidable manual P -0.01 0
IV.CMPR.HHZ. 2020-12-20T22:07:12.71 0.3 undecidable manual P 337 45.621 106 -0.23 91
MN.CUC.HHZ. 2020-12-20T22:07:10.24 0.3 undecidable manual P 77 26.3514 121 0.04 99
IV.BULG.HHZ. 2020-12-20T22:07:09.10 0.3 undecidable manual P 323 19.2696 131 -0.21 97
IV.MGR.HHZ. 2020-12-20T22:07:09.63 0.6 positive manual P 9 22.2555 126 -0.04 66
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BULG.HHE. ML:0.9 0.00003895912 1.344 AML other m 2020-12-20T22:07:13.56
IV.BULG.HHN. ML:1.0 0.000056125765 0.6144 AML other m 2020-12-20T22:07:14.43
IV.MGR.HHE. ML:0.3 0.0000108043015 0.1408 AML other m 2020-12-20T22:07:14.46
IV.MGR.HHN. ML:0.5 0.000013111252999999999 0.2432 AML other m 2020-12-20T22:07:14.31
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download