Earthquake with magnitude of Md 1.3 on date 12-12-2021 and time 23:20:57 (Italy) in region 3 km E Castelsaraceno (PZ)

A magnitude Md 1.3 earthquake occured in region: 3 km E Castelsaraceno (PZ), on

  • 12-12-2021 22:20:57 (UTC)
  • 12-12-2021 23:20:57 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 40.1570, 16.0260 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 3 1384 1384
Carbone PZ 6 638 2022
San Chirico Raparo PZ 6 1084 3106
Latronico PZ 8 4556 7662
San Martino d'Agri PZ 9 801 8463
Calvera PZ 10 387 8850
Episcopia PZ 11 1434 10284
Teana PZ 11 613 10897
Fardella PZ 13 627 11524
Spinoso PZ 13 1462 12986
Castronuovo di Sant'Andrea PZ 14 1067 14053
Sarconi PZ 16 1404 15457
Montemurro PZ 16 1235 16692
Moliterno PZ 16 4062 20754
Chiaromonte PZ 17 1965 22719
Roccanova PZ 17 1543 24262
Castelluccio Superiore PZ 17 824 25086
Armento PZ 17 631 25717
Francavilla in Sinni PZ 17 4215 29932
Castelluccio Inferiore PZ 17 2131 32063
Gallicchio PZ 18 862 32925
San Severino Lucano PZ 18 1563 34488
Grumento Nova PZ 18 1700 36188
Missanello PZ 18 566 36754

Municipalities with at least 50000 inhabitants

An earthquake occurred to
57 Km SE of Potenza (67122 inhabitants)
75 Km SW of Matera (60436 inhabitants)
87 Km SW of Altamura (70396 inhabitants)
98 Km N 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
Bulletin
Rev1000
Md 1.3 2021-12-12
22:20:57
40.1568 16.0263 12 2022-03-30
13:04:33
Bollettino Sismico Italiano INGV 100395691
Reviewed
Rev100
Md 1.3 2021-12-12
22:20:57
40.1562 16.0252 13 2021-12-12
22:30:53
Sala Sismica INGV-Roma 98441761
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-12-12 22:20:57 ± 0.16
Latitude 40.1568 ± 0.0063
Longitude 16.0263 ± 0.0118
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 100395691

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 971
Semi-minor axis of confidence ellipse (meter) 628
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 62
Circular confidence region, given by single value of horizontal uncertainty (meter) 970.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 144
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.36512
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 6
Magnitudes information

Md:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 5
Type of magnitude Md
Reference to an origin 100395691
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-01-31 12:00:57

Md:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 5
Type of magnitude Md
Reference to an origin 98441761
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-12-12 22:30:53
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VITU.HHZ. 2021-12-12T22:21:44.97 3.0 undecidable manual Sn -0.58 0
IV.RDP.HHZ. 2021-12-12T22:21:38.07 3.0 negative manual Pn 0.05 0
IV.MCRV.HHZ. 2021-12-12T22:21:33.74 3.0 undecidable manual Sg 0.21 0
IX.RSF3.HHZ.02 2021-12-12T22:21:10.97 3.0 negative manual P 0.23 0
IV.MMN.HHE. 2021-12-12T22:21:08.00 0.3 undecidable manual S 186 29.6481 94 -0.36 67
IV.MTSN.HHZ. 2021-12-12T22:21:07.29 0.3 undecidable manual S 298 26.2515 95 -0.17 70
IV.MCEL.HHZ. 2021-12-12T22:21:07.62 0.3 undecidable manual S 315 26.6511 95 0.06 73
IV.PTRP.HHE. 2021-12-12T22:21:05.99 0.6 undecidable manual P 4 40.5261 93 0.34 44
IV.SIRI.HHZ. 2021-12-12T22:21:04.45 0.3 undecidable manual S 282 13.7751 114 0.25 71
IV.MMN.HHE. 2021-12-12T22:21:04.49 0.3 undecidable manual P 186 29.6481 94 0.52 65
IV.MTSN.HHZ. 2021-12-12T22:21:03.24 0.1 undecidable manual P 298 26.2515 95 -0.21 92
IV.MCEL.HHZ. 2021-12-12T22:21:03.27 0.1 undecidable manual P 315 26.6511 95 -0.23 92
IV.SCHR.EHZ. 2021-12-12T22:21:02.66 0.6 undecidable manual S 42 6.2937 145 -0.01 50
IV.SIRI.HHZ. 2021-12-12T22:21:01.57 0.1 undecidable manual P 282 13.7751 114 0 99
IV.SCHR.EHZ. 2021-12-12T22:21:00.67 0.1 positive manual P 42 6.2937 145 -0.01 100
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