Istituto Nazionale di Geofisica e Vulcanologia

Earthquake (quarry blast) with magnitude of ML 0.8 on date 17-12-2019 and time 11:10:06 (UTC) in region 3 km SE Genga (AN)

A magnitude ML 0.8 (quarry blast) earthquake occured in region: 3 km SE Genga (AN), on

  • 17-12-2019 11:10:06 (UTC)
  • 17-12-2019 12:10:06 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.4170, 12.9690 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Genga AN 3 1797 1797
Serra San Quirico AN 5 2850 4647
Mergo AN 8 1037 5684
Sassoferrato AN 9 7285 12969
Arcevia AN 10 4612 17581
Poggio San Vicino MC 10 246 17827
Fabriano AN 10 31480 49307
Cerreto d'Esi AN 11 3817 53124
Rosora AN 11 1985 55109
Cupramontana AN 12 4756 59865
Castelplanio AN 13 3540 63405
Apiro MC 13 2280 65685
Poggio San Marcello AN 14 693 66378
Maiolati Spontini AN 14 6248 72626
Montecarotto AN 15 1987 74613
Serra de' Conti AN 15 3746 78359
Monte Roberto AN 16 3061 81420
Castelbellino AN 17 4947 86367
San Paolo di Jesi AN 17 933 87300
Staffolo AN 18 2253 89553
Serra Sant'Abbondio PU 18 1027 90580
Matelica MC 18 9981 100561
Esanatoglia MC 18 2034 102595
Barbara AN 19 1368 103963
Pergola PU 20 6333 110296

Municipalities with at least 50000 inhabitants

An earthquake occurred to
48 Km S of Fano (60888 inhabitants)
50 Km W of Ancona (100861 inhabitants)
55 Km S of Pesaro (94582 inhabitants)
56 Km NE of Foligno (57155 inhabitants)
58 Km NE of Perugia (166134 inhabitants)
79 Km SE of Rimini (147750 inhabitants)
88 Km E of Arezzo (99543 inhabitants)
99 Km N of Terni (111501 inhabitants)
99 Km SE of Cesena (96758 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 2019-12-17
11:10:06		 43.417 12.9687 1 2020-02-28
16:42:21		 Bollettino Sismico Italiano INGV 75991521
Reviewed
Rev100 		ML 0.9 2019-12-17
11:10:06		 43.4297 12.9787 0 2019-12-17
11:17:22		 Sala Sismica INGV-Roma 74734551
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-12-17 11:10:06 ± 0.06
Latitude 43.4170 ± 0.0036
Longitude 12.9687 ± 0.0050
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 75991521

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 500
Semi-minor axis of confidence ellipse (meter) 340
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 231
Circular confidence region, given by single value of horizontal uncertainty (meter) 500.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 104
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.03238
Epicentral distance of station farthest from the epicenter (degree) 0.34174
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 75991521
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-01-29 11:06:09

ML:0.9

Field Value
Value 0.9
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 74734551
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-12-17 11:17:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PIEI.HHZ. 2019-12-17T11:10:13.82 0.3 undecidable manual P 291 37.3293 91 -0.05 71
IV.NARO.HHZ. 2019-12-17T11:10:13.93 0.3 undecidable manual P 305 37.9287 91 -0.06 71
IV.MPAG.EHZ. 2019-12-17T11:10:12.13 0.3 undecidable manual P 325 28.9488 91 -0.07 72
IV.COR1.HNN. 2019-12-17T11:10:11.53 0.3 undecidable manual P 6 23.9538 91 0.33 69
IV.CING.HHN. 2019-12-17T11:10:10.19 0.3 undecidable manual P 104 18.87 92 0.02 74
IV.SNTG.HHZ. 2019-12-17T11:10:10.08 0.3 undecidable manual P 187 18.0708 92 0.05 74
IV.EL6.EHZ. 2019-12-17T11:10:09.31 0.1 undecidable manual P 132 14.4744 92 0.01 100
IV.ARVD.HHZ. 2019-12-17T11:10:08.30 0.1 undecidable manual P 346 9.2796 93 0.05 100
IV.MMUR.HNZ. 2019-12-17T11:10:06.92 0.1 undecidable manual P 40 3.5964 98 -0.2 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SNTG.HHN. ML:0.7 0.0000487 1.16 AML other m 2019-12-17T11:10:14.29
IV.SNTG.HHE. ML:0.9 0.0000735 0.56 AML other m 2019-12-17T11:10:17.33
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