Earthquake (quarry blast) with magnitude of ML 1.1 on date 08-08-2019 and time 20:27:42 (Italy) in region 4 km E Genga (AN)

A magnitude ML 1.1 (quarry blast) earthquake occured in region: 4 km E Genga (AN), on

  • 08-08-2019 18:27:42 (UTC)
  • 08-08-2019 20:27:42 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.42, 12.98 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
Genga AN 4 1797 1797
Serra San Quirico AN 4 2850 4647
Mergo AN 8 1037 5684
Poggio San Vicino MC 9 246 5930
Arcevia AN 10 4612 10542
Sassoferrato AN 10 7285 17827
Rosora AN 10 1985 19812
Cerreto d'Esi AN 11 3817 23629
Fabriano AN 11 31480 55109
Cupramontana AN 11 4756 59865
Castelplanio AN 12 3540 63405
Apiro MC 12 2280 65685
Maiolati Spontini AN 13 6248 71933
Poggio San Marcello AN 13 693 72626
Montecarotto AN 14 1987 74613
Monte Roberto AN 15 3061 77674
Serra de' Conti AN 15 3746 81420
Castelbellino AN 15 4947 86367
San Paolo di Jesi AN 16 933 87300
Staffolo AN 17 2253 89553
Matelica MC 18 9981 99534
Esanatoglia MC 19 2034 101568
Barbara AN 19 1368 102936
Serra Sant'Abbondio PU 19 1027 103963
Cingoli MC 20 10352 114315

Municipalities with at least 50000 inhabitants

An earthquake occurred to
48 Km S of Fano (60888 inhabitants)
49 Km W of Ancona (100861 inhabitants)
55 Km S of Pesaro (94582 inhabitants)
56 Km NE of Foligno (57155 inhabitants)
59 Km NE of Perugia (166134 inhabitants)
79 Km SE of Rimini (147750 inhabitants)
89 Km E of Arezzo (99543 inhabitants)
99 Km N of Terni (111501 inhabitants)
100 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
Rev 1000 ML 1.1 2019-08-08
18:27:42
43.42 12.98 1 2019-11-13
14:31:02
Bollettino Sismico Italiano INGV 72334731
Rev 100 ML 1.2 2019-08-08
18:27:42
43.44 13 7 2019-08-08
19:21:27
Sala Sismica INGV-Roma 71282321
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-08-08 18:27:42 ± 0.1
Latitude 43.42 ± 0.01
Longitude 12.98 ± 0.01
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 72334731

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 810
Semi-minor axis of confidence ellipse (meter) 680
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 44
Circular confidence region, given by single value of horizontal uncertainty (meter) 810
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 83
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) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.02698
Epicentral distance of station farthest from the epicenter (degree) 0.38761
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:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 72334731
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-09-12 08:29:58

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 71282321
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-08-08 19:21:27
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.FDMO.HHZ. 2019-08-08T18:27:51.06 0.3 undecidable manual P 169 0.3876 91 -0.14 71
IV.CSP1.EHZ. 2019-08-08T18:27:50.34 0.3 undecidable manual P 154 0.3624 91 -0.31 69
IV.PIEI.HHZ. 2019-08-08T18:27:49.81 0.3 undecidable manual P 290 0.3462 91 -0.47 67
IV.COR1.EHZ. 2019-08-08T18:27:47.65 0.3 undecidable manual P 3 0.2149 91 0.28 71
IV.FOSV.EHZ. 2019-08-08T18:27:47.30 0.3 undecidable manual P 233 0.2023 91 0.21 73
IV.CING.HHE. 2019-08-08T18:27:46.31 0.1 undecidable manual P 105 0.1592 92 0.18 98
IV.SSFR.HHZ. 2019-08-08T18:27:46.10 0.1 undecidable manual P 278 0.1475 92 0.24 97
IV.EL6.EHE. 2019-08-08T18:27:45.45 0.3 undecidable manual P 135 0.1223 92 0.14 75
IV.MMUR.HNZ. 2019-08-08T18:27:42.98 0.1 positive manual P 22 0.027 99 -0.22 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MMUR.HNN. ML:0 0.007265014 0.0896 AML other m 2019-08-08T18:27:43.19
IV.MMUR.HNE. ML:0 0.008555796 0.128 AML other m 2019-08-08T18:27:43.39
IV.SSFR.HNN. ML:1.2 0.0001881796 0.0896 AML other m 2019-08-08T18:27:50.44
IV.SSFR.HHN. ML:1.1 0.00013359175 0.2688 AML other m 2019-08-08T18:27:50.44
IV.COR1.HNN. ML:2.3 0.0012950891 1.2288 AML other m 2019-08-08T18:27:52.69
IV.SSFR.HHE. ML:1.2 0.0001922986 0.256 AML other m 2019-08-08T18:27:53.19
IV.SSFR.HNE. ML:1.2 0.00015694745 0.2432 AML other m 2019-08-08T18:27:53.20
IV.COR1.EHE. ML:1.1 8.235765E-5 1.6288 AML other m 2019-08-08T18:27:55.08
IV.COR1.EHN. ML:1.4 0.00016081096 0.6528 AML other m 2019-08-08T18:27:56.20
IV.CSP1.EHE. ML:1.1 4.46109805E-5 0.448 AML other m 2019-08-08T18:27:57.73
IV.FDMO.HHN. ML:0.7 1.47418445E-5 0.1536 AML other m 2019-08-08T18:27:58.73
IV.FOSV.EHE. ML:1.1 8.575475E-5 0.896 AML other m 2019-08-08T18:27:59.01
IV.COR1.HNE. ML:2.3 0.00124863625 0.7712 AML other m 2019-08-08T18:27:59.94
IV.FOSV.EHN. ML:1.3 0.00014597575 1.0368 AML other m 2019-08-08T18:28:00.77
IV.PIEI.HHE. ML:0.9 2.76686905E-5 0.6784 AML other m 2019-08-08T18:28:02.84
IV.PIEI.HHN. ML:0.7 2.1577555E-5 1.1168 AML other m 2019-08-08T18:28:04.67
IV.FDMO.HHE. ML:0.7 1.4600715E-5 0.1024 AML other m 2019-08-08T18:28:05.45
IV.CSP1.EHN. ML:1.2 5.5217765E-5 1.0112 AML other m 2019-08-08T18:28:07.64
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download