Earthquake with magnitude of ML 0.9 on date 16-02-2021 and time 22:51:08 (Italy) in region 1 km S Castelsaraceno (PZ)

A magnitude ML 0.9 earthquake occured in region: 1 km S Castelsaraceno (PZ), on

  • 16-02-2021 21:51:08 (UTC)
  • 16-02-2021 22:51:08 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 40.154, 15.991 at 12 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Castelsaraceno PZ 1 1384 1384
Latronico PZ 7 4556 5940
San Chirico Raparo PZ 8 1084 7024
Carbone PZ 9 638 7662
San Martino d'Agri PZ 11 801 8463
Spinoso PZ 13 1462 9925
Episcopia PZ 13 1434 11359
Calvera PZ 13 387 11746
Sarconi PZ 14 1404 13150
Teana PZ 14 613 13763
Moliterno PZ 14 4062 17825
Fardella PZ 16 627 18452
Castelluccio Superiore PZ 16 824 19276
Montemurro PZ 16 1235 20511
Castelluccio Inferiore PZ 17 2131 22642
Grumento Nova PZ 17 1700 24342
Castronuovo di Sant'Andrea PZ 17 1067 25409
Lauria PZ 18 12919 38328
Armento PZ 18 631 38959
Nemoli PZ 19 1495 40454
Chiaromonte PZ 19 1965 42419
Roccanova PZ 20 1543 43962
Lagonegro PZ 20 5584 49546
Gallicchio PZ 20 862 50408
San Severino Lucano PZ 20 1563 51971
Francavilla in Sinni PZ 20 4215 56186

Municipalities with at least 50000 inhabitants

An earthquake occurred to
56 Km S of Potenza (67122 inhabitants)
77 Km SW of Matera (60436 inhabitants)
89 Km SW of Altamura (70396 inhabitants)
98 Km N of Cosenza (67546 inhabitants)
99 Km SE of Battipaglia (50786 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 0.9 2021-02-16
21:51:08
40.1542 15.9913 12 2021-07-12
16:55:02
Bollettino Sismico Italiano INGV 88277341
Reviewed
Rev100
ML 1.0 2021-02-16
21:51:07
40.0838 15.9935 11 2021-02-16
22:06:29
Sala Sismica INGV-Roma 87219881
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-02-16 21:51:08 ± 0.45
Latitude 40.1542 ± 0.0279
Longitude 15.9913 ± 0.0188
Depth (km) 12 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 88277341

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 3171
Semi-minor axis of confidence ellipse (meter) 985
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 194
Circular confidence region, given by single value of horizontal uncertainty (meter) 3170
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 231
Number of associated phases, regardless of their use for origin computation 6
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.07914
Epicentral distance of station farthest from the epicenter (degree) 0.22393
Number of stations at which the event was observed 3
Number of stations from which data was used for origin computation 3
Magnitudes information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 88277341
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-03-19 12:11:56

ML:1

Field Value
Value 1
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 87219881
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-02-16 22:06:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.MCEL.HHZ. 2021-02-16T21:51:17.64 0.3 undecidable manual S 320 0.2239 97 0 75
IV.SIRI.HHZ. 2021-02-16T21:51:14.34 0.6 undecidable manual S 286 0.0989 125 0.22 49
IV.SCHR.EHZ. 2021-02-16T21:51:13.45 0.6 undecidable manual S 55 0.0791 134 -0.22 49
IV.MCEL.HHZ. 2021-02-16T21:51:13.80 0.1 undecidable manual P 320 0.2239 97 0 100
IV.SIRI.HHZ. 2021-02-16T21:51:11.51 0.3 undecidable manual P 286 0.0989 125 -0.26 73
IV.SCHR.EHZ. 2021-02-16T21:51:11.69 0.1 undecidable manual P 55 0.0791 134 0.19 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SCHR.EHE. ML:0.9 9.01E-5 0.24 AML other m 2021-02-16T21:51:13.63
IV.SCHR.EHN. ML:0.8 7.22E-5 0.24 AML other m 2021-02-16T21:51:13.81
IV.SIRI.HNN. ML:0.9 8.0E-5 0.22 AML other m 2021-02-16T21:51:14.41
IV.SIRI.HHE. ML:1 0.00010615 0.9 AML other m 2021-02-16T21:51:14.92
IV.SIRI.HHN. ML:0.9 7.955E-5 0.7 AML other m 2021-02-16T21:51:15.51
IV.SIRI.HNE. ML:1 0.00010535 1.4 AML other m 2021-02-16T21:51:16.16
IV.MCEL.HNE. ML:0 8.765E-5 0.42 AML other m 2021-02-16T21:51:17.74
IV.MCEL.HHE. ML:0.6 2.7248525E-5 0.1792 AML other m 2021-02-16T21:51:18.68
IV.MCEL.HNN. ML:0 8.075E-5 0.58 AML other m 2021-02-16T21:51:20.00
IV.MCEL.HHN. ML:0.7 2.792807E-5 0.5536 AML other m 2021-02-16T21:51:28.40
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