Istituto Nazionale di Geofisica e Vulcanologia

Earthquake (quarry blast) with magnitude of ML 1.2 on date 25-09-2019 and time 09:51:38 (Italy) in region 5 km SE Genga (AN)

A magnitude ML 1.2 (quarry blast) earthquake occured in region: 5 km SE Genga (AN), on

  • 25-09-2019 07:51:38 (UTC)
  • 25-09-2019 09:51:38 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.3900, 12.9730 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 5 1797 1797
Serra San Quirico AN 7 2850 4647
Cerreto d'Esi AN 8 3817 8464
Fabriano AN 8 31480 39944
Poggio San Vicino MC 9 246 40190
Sassoferrato AN 11 7285 47475
Mergo AN 11 1037 48512
Arcevia AN 13 4612 53124
Apiro MC 13 2280 55404
Rosora AN 13 1985 57389
Cupramontana AN 13 4756 62145
Castelplanio AN 15 3540 65685
Matelica MC 15 9981 75666
Maiolati Spontini AN 15 6248 81914
Esanatoglia MC 16 2034 83948
Poggio San Marcello AN 16 693 84641
Monte Roberto AN 17 3061 87702
Montecarotto AN 17 1987 89689
Castelbellino AN 18 4947 94636
San Paolo di Jesi AN 18 933 95569
Serra de' Conti AN 18 3746 99315
Staffolo AN 18 2253 101568
Gagliole MC 18 620 102188
Serra Sant'Abbondio PU 20 1027 103215
Sigillo PG 20 2404 105619
Cingoli MC 20 10352 115971

Municipalities with at least 50000 inhabitants

An earthquake occurred to
51 Km S of Fano (60888 inhabitants)
51 Km SW of Ancona (100861 inhabitants)
53 Km NE of Foligno (57155 inhabitants)
57 Km NE of Perugia (166134 inhabitants)
58 Km S of Pesaro (94582 inhabitants)
82 Km SE of Rimini (147750 inhabitants)
88 Km E of Arezzo (99543 inhabitants)
96 Km N of Terni (111501 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 1.2 2019-09-25
07:51:38		 43.3902 12.9728 1 2020-02-28
16:42:12		 Bollettino Sismico Italiano INGV 74492651
Reviewed
Rev100 		ML 1.2 2019-09-25
07:51:38		 43.4058 12.9907 8 2019-09-25
08:01:39		 Sala Sismica INGV-Roma 72750421
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-09-25 07:51:38 ± 0.09
Latitude 43.3902 ± 0.0054
Longitude 12.9728 ± 0.0087
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 74492651

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 720
Semi-minor axis of confidence ellipse (meter) 570
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 236
Circular confidence region, given by single value of horizontal uncertainty (meter) 720.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 76
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.41908
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 20
Type of magnitude ML
Reference to an origin 72750421
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-09-25 08:01:39

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 22
Type of magnitude ML
Reference to an origin 74492651
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-12-09 17:28:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RMP.HHZ. 2019-09-25T07:52:29.80 3.0 undecidable manual S 0.28 0
IT.FIE.HGZ. 2019-09-25T07:52:25.03 3.0 undecidable manual S 2.97 0
IV.ATVO.HHZ. 2019-09-25T07:51:47.67 0.3 undecidable manual P 269 45.621 91 -0.25 73
IV.ATPI.EHZ. 2019-09-25T07:51:47.82 0.3 undecidable manual P 278 46.5201 91 -0.26 73
IV.PIEI.HHZ. 2019-09-25T07:51:46.04 0.3 undecidable manual P 295 38.7279 91 -0.5 70
IV.ATCC.EHZ. 2019-09-25T07:51:46.01 0.3 undecidable manual P 230 35.2425 91 0.18 75
IV.CSP1.EHE. 2019-09-25T07:51:45.91 0.3 undecidable manual P 150 38.0286 91 -0.48 70
IV.MML1.EHE. 2019-09-25T07:51:44.79 0.3 undecidable manual P 180 30.747 91 -0.13 77
IV.COR1.EHZ. 2019-09-25T07:51:44.60 0.3 undecidable manual P 5 26.8509 91 0.44 72
IV.MPAG.EHZ. 2019-09-25T07:51:44.88 0.3 undecidable manual P 327 31.5462 91 -0.22 75
IV.FRON.EHZ. 2019-09-25T07:51:43.71 0.6 undecidable manual P 305 24.4533 91 0.05 53
IV.CING.HNZ. 2019-09-25T07:51:42.26 0.3 undecidable manual P 95 17.9709 92 -0.12 79
IV.SSFR.HHZ. 2019-09-25T07:51:42.37 0.1 undecidable manual P 288 16.1727 92 0.36 100
IV.SNTG.HHZ. 2019-09-25T07:51:42.33 0.1 undecidable manual P 190 15.2736 92 0.51 97
IV.EL6.EHZ. 2019-09-25T07:51:41.28 0.3 undecidable manual P 123 12.3765 92 0.03 81
IV.ARVD.HHZ. 2019-09-25T07:51:41.27 0.3 undecidable manual P 348 12.1767 92 0.05 80
IV.MMUR.HNZ. 2019-09-25T07:51:39.99 0.3 undecidable manual P 19 6.0939 95 0.01 82
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ARVD.HHN. ML:0.9 0.000114876805 0.2752 AML other m 2019-09-25T07:51:44.63
IV.EL6.EHE. ML:1.4 0.00036050000000000003 0.2 AML other m 2019-09-25T07:51:44.90
IV.ARVD.HHE. ML:1.0 0.00014050000000000003 0.16 AML other m 2019-09-25T07:51:45.07
IV.EL6.EHN. ML:1.5 0.0005075 0.32 AML other m 2019-09-25T07:51:45.84
IV.SNTG.HNE. ML:1.4 0.000258 0.2 AML other m 2019-09-25T07:51:45.93
IV.SNTG.HHE. ML:1.3 0.000243 0.2 AML other m 2019-09-25T07:51:45.83
IV.SNTG.HNN. ML:1.3 0.00020800005 0.2176 AML other m 2019-09-25T07:51:46.31
IV.SNTG.HHN. ML:1.3 0.00021250000000000002 0.52 AML other m 2019-09-25T07:51:46.32
IV.SSFR.HNN. ML:1.4 0.00025938165 0.128 AML other m 2019-09-25T07:51:47.32
IV.SSFR.HNE. ML:1.4 0.00024086974999999999 0.192 AML other m 2019-09-25T07:51:48.17
IV.SSFR.HHN. ML:1.3 0.00019800000000000002 0.12 AML other m 2019-09-25T07:51:48.37
IV.SSFR.HHE. ML:1.3 0.0001994369 0.16 AML other m 2019-09-25T07:51:48.55
IV.MPAG.EHN. ML:0.8 0.00002899596 1.904 AML other m 2019-09-25T07:51:51.98
IV.PIEI.HHN. ML:1.0 0.00003767979 1.7248 AML other m 2019-09-25T07:51:53.87
IV.PIEI.HHE. ML:1.2 0.00005369944999999999 0.2432 AML other m 2019-09-25T07:51:53.08
IV.ATCC.EHE. ML:1.2 0.000069788105 0.3008 AML other m 2019-09-25T07:51:53.86
IV.ATCC.EHN. ML:1.2 0.00006759999999999999 0.38 AML other m 2019-09-25T07:51:55.27
IV.MPAG.EHE. ML:0.7 0.000027478355 0.48 AML other m 2019-09-25T07:51:55.62
IV.ATPI.EHE. ML:0.9 0.00002421882 0.256 AML other m 2019-09-25T07:51:56.48
IV.ATPI.EHN. ML:1.0 0.000028446039999999998 0.32 AML other m 2019-09-25T07:51:57.19
IV.ATVO.HHE. ML:0.9 0.00002465388 0.4352 AML other m 2019-09-25T07:51:57.57
IV.ATVO.HHN. ML:0.9 0.000023397179999999995 1.7376 AML other m 2019-09-25T07:51:58.09
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