Earthquake (quarry blast) with magnitude of ML 0.8 on date 07-07-2022 and time 08:20:59 (UTC) in region 6 km SW Sefro (MC)

A magnitude ML 0.8 (quarry blast) earthquake occured in region: 6 km SW Sefro (MC), on

  • 07-07-2022 08:20:59 (UTC)
  • 07-07-2022 10:20:59 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1180, 12.8860 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
Sefro MC 6 422 422
Serravalle di Chienti MC 7 1070 1492
Nocera Umbra PG 8 5839 7331
Fiuminata MC 9 1402 8733
Pioraco MC 11 1134 9867
Valtopina PG 12 1398 11265
Muccia MC 14 915 12180
Camerino MC 15 6974 19154
Gualdo Tadino PG 15 15208 34362
Pieve Torina MC 16 1458 35820
Esanatoglia MC 16 2034 37854
Monte Cavallo MC 17 145 37999
Pievebovigliana MC 17 866 38865
Castelraimondo MC 17 4587 43452
Matelica MC 19 9981 53433
Fiordimonte MC 19 202 53635

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km NE of Foligno (57155 inhabitants)
40 Km E of Perugia (166134 inhabitants)
65 Km NE of Terni (111501 inhabitants)
76 Km SW of Ancona (100861 inhabitants)
82 Km S of Fano (60888 inhabitants)
84 Km NW of Teramo (54892 inhabitants)
88 Km S of Pesaro (94582 inhabitants)
90 Km E of Arezzo (99543 inhabitants)
95 Km NW of L'Aquila (69753 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 0.8 2022-07-07
08:20:59
43.1177 12.8857 1 2023-01-31
19:03:21
Bollettino Sismico Italiano INGV 107155211
Reviewed
Rev100
ML 0.8 2022-07-07
08:20:58
43.1108 12.8883 7 2022-07-07
08:28:10
Sala Sismica INGV-Roma 106895201
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-07-07 08:20:59 ± 0.09
Latitude 43.1177 ± 0.0054
Longitude 12.8857 ± 0.0074
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 107155211

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 650
Semi-minor axis of confidence ellipse (meter) 590
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 260
Circular confidence region, given by single value of horizontal uncertainty (meter) 650.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 87
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
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) 0.06295
Epicentral distance of station farthest from the epicenter (degree) 0.30307
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 107155211
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-01-02 15:27:48

ML:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 106895201
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-07-07 08:28:10
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MC2.EHZ. 2022-07-07T08:21:05.44 0.3 undecidable manual P 133 33.6441 91 -0.32 70
IV.CSP1.EHZ. 2022-07-07T08:21:04.47 0.3 undecidable manual P 96 26.0517 91 0.23 72
IV.EL6.EHZ. 2022-07-07T08:21:04.63 0.1 undecidable manual P 37 29.2485 91 -0.26 95
IV.FOSV.HNE. 2022-07-07T08:21:03.52 0.3 undecidable manual P 333 22.0668 91 0.07 75
IV.ASSB.HHZ. 2022-07-07T08:21:03.12 0.3 undecidable manual P 246 20.1687 91 0.05 76
IV.SNTG.HHE. 2022-07-07T08:21:02.25 0.3 undecidable manual P 16 15.873 92 0.05 76
IV.CESI.HHZ. 2022-07-07T08:21:01.54 0.3 undecidable manual P 173 12.5763 92 -0.01 77
IV.MML1.EHZ. 2022-07-07T08:21:00.62 0.1 undecidable manual P 94 6.993 94 0.19 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.EL6.EHE. ML:0.3 0.0000104582585 0.1184 AML other m 2022-07-07T08:20:41.55
IV.CESI.HNE. ML:1.0 0.0001567746 0.9312 AML other m 2022-07-07T08:21:00.84
IV.MML1.EHN. ML:1.0 0.00013746005 0.256 AML other m 2022-07-07T08:21:02.58
IV.MML1.HNE. ML:1.2 0.00021853075 0.192 AML other m 2022-07-07T08:21:02.75
IV.MML1.EHE. ML:1.2 0.00022999999999999998 0.2 AML other m 2022-07-07T08:21:02.85
IV.CESI.HHN. ML:0.7 0.00007644999999999999 1.78 AML other m 2022-07-07T08:21:03.92
IV.MML1.HNN. ML:1.2 0.00020028357 0.3392 AML other m 2022-07-07T08:21:04.54
IV.CESI.HHE. ML:0.7 0.000072 1.36 AML other m 2022-07-07T08:21:05.02
IV.ASSB.HHN. ML:1.1 0.0000986 0.18 AML other m 2022-07-07T08:21:07.77
IV.CESI.HNN. ML:0.9 0.00010432194999999999 1.2512 AML other m 2022-07-07T08:21:07.29
IV.ASSB.HHE. ML:0.6 0.0000349 0.22 AML other m 2022-07-07T08:21:10.17
IV.EL6.EHN. ML:0.8 0.000033423109999999996 1.6416 AML other m 2022-07-07T08:21:11.83
IV.CSP1.EHN. ML:1.0 0.000065862155 0.16 AML other m 2022-07-07T08:21:11.19
IV.CSP1.EHE. ML:1.1 0.00006947598 1.0016 AML other m 2022-07-07T08:21:19.01
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