Earthquake (quarry blast) with magnitude of ML 1.4 on date 25-09-2018 and time 10:43:19 (Italy) in region 6 km SE Genga (AN)

A magnitude ML 1.4 (quarry blast) earthquake occured in region: 6 km SE Genga (AN), on

  • 25-09-2018 08:43:19 (UTC)
  • 25-09-2018 10:43:19 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.39, 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 6 1797 1797
Serra San Quirico AN 7 2850 4647
Cerreto d'Esi AN 8 3817 8464
Poggio San Vicino MC 8 246 8710
Fabriano AN 9 31480 40190
Mergo AN 10 1037 41227
Sassoferrato AN 11 7285 48512
Apiro MC 12 2280 50792
Cupramontana AN 13 4756 55548
Arcevia AN 13 4612 60160
Rosora AN 13 1985 62145
Castelplanio AN 14 3540 65685
Maiolati Spontini AN 15 6248 71933
Matelica MC 15 9981 81914
Poggio San Marcello AN 16 693 82607
Esanatoglia MC 16 2034 84641
Monte Roberto AN 16 3061 87702
Montecarotto AN 17 1987 89689
San Paolo di Jesi AN 17 933 90622
Castelbellino AN 17 4947 95569
Staffolo AN 17 2253 97822
Serra de' Conti AN 18 3746 101568
Gagliole MC 18 620 102188
Cingoli MC 19 10352 112540

Municipalities with at least 50000 inhabitants

An earthquake occurred to
50 Km SW of Ancona (100861 inhabitants)
51 Km S of Fano (60888 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)
89 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
Rev 1000 ML 1.4 2018-09-25
08:43:19
43.39 12.98 1 2019-06-04
09:16:12
Bollettino Sismico Italiano INGV 67277081
Rev 100 ML 1.5 2018-09-25
08:43:19
43.41 13 9 2018-09-25
09:01:29
Sala Sismica INGV-Roma 61293981
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-09-25 08:43:19 ± 0.14
Latitude 43.39 ± 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 67277081

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1290
Semi-minor axis of confidence ellipse (meter) 800
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 245
Circular confidence region, given by single value of horizontal uncertainty (meter) 1290
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 111
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.44
Epicentral distance of station closest to the epicenter (degree) 0.05216
Epicentral distance of station farthest from the epicenter (degree) 0.56567
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 67277081
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-04-26 12:33:40

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 61293981
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-09-25 09:01:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.NRCA.HHZ. 2018-09-25T08:43:30.61 0.1 undecidable manual P 170 0.5657 50 -1.41 54
IV.PIEI.HHZ. 2018-09-25T08:43:26.79 0.3 undecidable manual P 294 0.3534 91 -0.65 61
IV.PF6.EHN. 2018-09-25T08:43:26.56 0.3 undecidable manual P 148 0.2977 91 0.38 67
IV.CSP1.EHZ. 2018-09-25T08:43:26.64 0.3 undecidable manual P 151 0.3408 91 -0.51 64
IV.MPAG.EHZ. 2018-09-25T08:43:25.64 0.6 undecidable manual P 326 0.2869 91 -0.3 45
IV.COR1.EHZ. 2018-09-25T08:43:25.36 0.1 undecidable manual P 3 0.241 91 0.43 89
IV.FRON.EHZ. 2018-09-25T08:43:24.43 0.1 positive manual P 304 0.2239 91 -0.12 96
IV.FOSV.EHZ. 2018-09-25T08:43:23.94 0.1 positive manual P 239 0.1862 91 0.23 94
IV.SSFR.HHZ. 2018-09-25T08:43:23.22 0.1 undecidable manual P 287 0.1511 92 0.3 93
IV.SNTG.HHZ. 2018-09-25T08:43:23.11 0.1 positive manual P 192 0.1394 92 0.44 91
IV.GAG1.HNE. 2018-09-25T08:43:23.56 0.3 undecidable manual P 158 0.1655 92 0.3 70
IV.EL6.EHZ. 2018-09-25T08:43:22.02 0.1 positive manual P 125 0.1079 92 0.05 99
IV.ARVD.HHZ. 2018-09-25T08:43:22.03 0.1 positive manual P 345 0.1106 92 0 100
IV.MMUR.HNE. 2018-09-25T08:43:20.67 0.1 undecidable manual P 14 0.0522 95 -0.06 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ARVD.HHE. ML:1.1 0.00018902455 0.9408 AML other m 2018-09-25T08:43:24.16
IV.ARVD.HHN. ML:1.1 0.000199 0.76 AML other m 2018-09-25T08:43:25.24
IV.EL6.EHE. ML:1.7 0.0008135 0.52 AML other m 2018-09-25T08:43:26.61
IV.EL6.EHN. ML:1.8 0.0009565 0.36 AML other m 2018-09-25T08:43:26.64
IV.SNTG.HNE. ML:1.4 0.0002655 0.42 AML other m 2018-09-25T08:43:26.90
IV.SNTG.HHN. ML:1.5 0.0003965 1.6 AML other m 2018-09-25T08:43:27.90
IV.SNTG.HNN. ML:1.5 0.0003855 1.56 AML other m 2018-09-25T08:43:27.90
IV.SNTG.HHE. ML:1 0.000116 0.66 AML other m 2018-09-25T08:43:27.19
IV.FOSV.EHN. ML:1.3 0.0001615 1.28 AML other m 2018-09-25T08:43:28.04
IV.FOSV.EHE. ML:1.2 0.0001175 0.18 AML other m 2018-09-25T08:43:28.13
IV.SSFR.HHN. ML:1.7 0.000475 1 AML other m 2018-09-25T08:43:29.61
IV.SSFR.HHE. ML:1.6 0.000377 0.26 AML other m 2018-09-25T08:43:29.75
IV.FRON.EHN. ML:1.4 0.0001745 1.28 AML other m 2018-09-25T08:43:30.12
IV.FRON.EHE. ML:1.3 0.000135 1.18 AML other m 2018-09-25T08:43:30.23
IV.PIEI.HHN. ML:0 5.9E-5 0.92 AML other m 2018-09-25T08:43:40.42
IV.PIEI.HHE. ML:1.4 8.705E-5 0.32 AML other m 2018-09-25T08:43:35.39
IV.NRCA.HHN. ML:1.7 0.0001073 1.14 AML other m 2018-09-25T08:43:41.93
IV.NRCA.HHE. ML:1.7 9.15E-5 0.64 AML other m 2018-09-25T08:43:42.10
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