Earthquake (quarry blast) with magnitude of ML 0.7 on date 31-01-2022 and time 07:31:49 (UTC) in region 3 km E Montesano sulla Marcellana (SA)

A magnitude ML 0.7 (quarry blast) earthquake occured in region: 3 km E Montesano sulla Marcellana (SA), on

  • 31-01-2022 07:31:49 (UTC)
  • 31-01-2022 08:31:49 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 40.2730, 15.7400 at 0 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

Event type: quarry blast.

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
Montesano sulla Marcellana SA 3 6704 6704
Tramutola PZ 7 3089 9793
Casalbuono SA 8 1194 10987
Buonabitacolo SA 10 2549 13536
Padula SA 10 5368 18904
Moliterno PZ 12 4062 22966
Paterno PZ 12 3368 26334
Grumento Nova PZ 13 1700 28034
Sarconi PZ 13 1404 29438
Marsicovetere PZ 14 5546 34984
Viggiano PZ 16 3329 38313
Sanza SA 16 2608 40921
Marsico Nuovo PZ 16 4098 45019
Sassano SA 17 5013 50032
Lagonegro PZ 17 5584 55616
Casaletto Spartano SA 17 1420 57036
Tortorella SA 18 523 57559
Monte San Giacomo SA 18 1572 59131
Sala Consilina SA 19 12664 71795
Spinoso PZ 19 1462 73257
Torraca SA 20 1263 74520
Caselle in Pittari SA 20 1956 76476

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km S of Potenza (67122 inhabitants)
74 Km SE of Battipaglia (50786 inhabitants)
85 Km SW of Matera (60436 inhabitants)
92 Km SW of Altamura (70396 inhabitants)
94 Km SE of Salerno (135261 inhabitants)
100 Km SE of Cava de' Tirreni (53659 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 2022-01-31
07:31:49
40.2733 15.7402 1 2022-07-08
12:33:48
Bollettino Sismico Italiano INGV 103572001
Reviewed
Rev100
ML 0.7 2022-01-31
07:31:49
40.2893 15.7287 6 2022-01-31
07:44:21
Sala Sismica INGV-Roma 100385211
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-01-31 07:31:49 ± 0.07
Latitude 40.2733 ± 0.0045
Longitude 15.7402 ± 0.0059
Depth (km) 1 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type quarry blast
Origin ID 103572001

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 510
Semi-minor axis of confidence ellipse (meter) 420
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 233
Circular confidence region, given by single value of horizontal uncertainty (meter) 510.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 99
Number of associated phases, regardless of their use for origin computation 5
Number of defining phases 5
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.12
Epicentral distance of station closest to the epicenter (degree) 0.01079
Epicentral distance of station farthest from the epicenter (degree) 0.19695
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitudes information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 100385211
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-01-31 07:44:21

ML:0.7

Field Value
Value 0.7
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 103572001
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-04-21 15:57:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MGR.HNZ. 2022-01-31T07:31:53.96 0.3 undecidable manual P 226 21.867 91 0.09 71
IV.SLCN.HHZ. 2022-01-31T07:31:52.56 0.3 undecidable manual P 325 15.7731 92 -0.1 72
IV.SIRI.HHZ. 2022-01-31T07:31:52.36 0.3 undecidable manual P 133 14.7741 92 -0.1 72
IV.MCEL.HHZ. 2022-01-31T07:31:51.16 0.3 undecidable manual P 42 7.7811 94 0.11 73
IV.MTSN.HNZ. 2022-01-31T07:31:49.77 0.1 undecidable manual P 129 1.1988 112 0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SLCN.HHE. ML:1.0 0.000121 0.3 AML other m 2022-01-31T07:31:59.57
IV.SIRI.HHN. ML:0.5 0.000037449999999999995 1.38 AML other m 2022-01-31T07:31:59.27
IV.SLCN.HHN. ML:0.7 0.00006175 1.06 AML other m 2022-01-31T07:32:00.29
IV.SIRI.HHE. ML:0.6 0.00004415 1.36 AML other m 2022-01-31T07:32:01.74
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