Earthquake (quarry blast) with magnitude of ML 1.0 on date 20-09-2018 and time 09:47:17 (UTC) in region 3 km W Serra San Quirico (AN)

A magnitude ML 1.0 (quarry blast) earthquake occured in region: 3 km W Serra San Quirico (AN), on

  • 20-09-2018 09:47:17 (UTC)
  • 20-09-2018 11:47:17 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.436, 12.978 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
Serra San Quirico AN 3 2850 2850
Genga AN 4 1797 4647
Mergo AN 6 1037 5684
Arcevia AN 8 4612 10296
Rosora AN 9 1985 12281
Sassoferrato AN 10 7285 19566
Poggio San Vicino MC 11 246 19812
Castelplanio AN 11 3540 23352
Cupramontana AN 11 4756 28108
Poggio San Marcello AN 12 693 28801
Maiolati Spontini AN 12 6248 35049
Montecarotto AN 12 1987 37036
Fabriano AN 13 31480 68516
Cerreto d'Esi AN 13 3817 72333
Serra de' Conti AN 13 3746 76079
Apiro MC 13 2280 78359
Monte Roberto AN 14 3061 81420
Castelbellino AN 15 4947 86367
San Paolo di Jesi AN 16 933 87300
Barbara AN 17 1368 88668
Staffolo AN 17 2253 90921
Serra Sant'Abbondio PU 18 1027 91948
Pergola PU 18 6333 98281
San Lorenzo in Campo PU 19 3414 101695
Castelleone di Suasa AN 19 1676 103371
Ostra Vetere AN 20 3311 106682
Matelica MC 20 9981 116663

Municipalities with at least 50000 inhabitants

An earthquake occurred to
46 Km S of Fano (60888 inhabitants)
48 Km W of Ancona (100861 inhabitants)
53 Km S of Pesaro (94582 inhabitants)
58 Km NE of Foligno (57155 inhabitants)
60 Km NE of Perugia (166134 inhabitants)
77 Km SE of Rimini (147750 inhabitants)
89 Km E of Arezzo (99543 inhabitants)
98 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 1.0 2018-09-20
09:47:17
43.4362 12.9785 1 2019-06-04
09:16:13
Bollettino Sismico Italiano INGV 67976451
Reviewed
Rev100
ML 1.0 2018-09-20
09:47:17
43.4357 13.0002 2 2018-09-20
09:57:11
Sala Sismica INGV-Roma 61145251
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-09-20 09:47:17 ± 0.11
Latitude 43.4362 ± 0.0072
Longitude 12.9785 ± 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 67976451

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 880
Semi-minor axis of confidence ellipse (meter) 650
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 34
Circular confidence region, given by single value of horizontal uncertainty (meter) 880
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 91
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.33635
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:1

Field Value
Value 1
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 67976451
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-04-26 10:02:51

ML:1

Field Value
Value 1
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 61145251
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-09-20 09:57:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.OSSC.HHZ. 2018-09-20T09:47:38.91 3.0 undecidable manual P -0.03 0
IV.PIEI.HHZ. 2018-09-20T09:47:24.67 0.3 undecidable manual P 287 0.3363 91 -0.58 62
IV.MPAG.EHE. 2018-09-20T09:47:23.28 0.3 undecidable manual P 321 0.25 91 -0.04 72
IV.FRON.EHZ. 2018-09-20T09:47:22.23 0.3 undecidable manual P 294 0.2005 91 0 73
IV.SSFR.HHZ. 2018-09-20T09:47:21.13 0.1 undecidable manual P 270 0.1421 92 0.2 94
IV.SNTG.HHZ. 2018-09-20T09:47:21.98 0.3 undecidable manual P 189 0.1835 91 0.14 71
IV.EL6.EHZ. 2018-09-20T09:47:20.75 0.3 undecidable manual P 140 0.1394 92 -0.11 72
IV.ARVD.HHZ. 2018-09-20T09:47:19.46 0.1 undecidable manual P 337 0.0674 94 0.2 96
IV.MMUR.HNZ. 2018-09-20T09:47:18.08 0.1 positive manual P 68 0.0144 107 -0.03 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MMUR.HNN. ML:0 0.015986725 0.1024 AML other m 2018-09-20T09:47:18.66
IV.MMUR.HNE. ML:0 0.01853062 0.3328 AML other m 2018-09-20T09:47:19.25
IV.ARVD.HHN. ML:0 0.00013135735 0.096 AML other m 2018-09-20T09:47:21.55
IV.ARVD.HHE. ML:0 0.00018728965 0.2048 AML other m 2018-09-20T09:47:21.62
IV.EL6.EHN. ML:0.8 7.913984E-5 0.1216 AML other m 2018-09-20T09:47:24.54
IV.SSFR.HHN. ML:1.2 0.00018009445 0.1408 AML other m 2018-09-20T09:47:25.08
IV.SSFR.HNN. ML:1.3 0.0002340248 0.1536 AML other m 2018-09-20T09:47:25.08
IV.SSFR.HNE. ML:1.2 0.0001747321 0.0704 AML other m 2018-09-20T09:47:25.15
IV.SSFR.HHE. ML:1.1 0.00014473335 0.1408 AML other m 2018-09-20T09:47:25.41
IV.SNTG.HNN. ML:1.3 0.0001757758 0.6912 AML other m 2018-09-20T09:47:25.59
IV.SNTG.HHN. ML:0.8 4.8060135E-5 0.1408 AML other m 2018-09-20T09:47:26.31
IV.SNTG.HHE. ML:0.6 3.3009285E-5 0.3968 AML other m 2018-09-20T09:47:26.47
IV.EL6.EHE. ML:0.8 7.8755675E-5 0.3584 AML other m 2018-09-20T09:47:26.77
IV.FRON.EHE. ML:0.6 3.0249115E-5 0.1984 AML other m 2018-09-20T09:47:27.48
IV.FRON.EHN. ML:0.8 5.015389E-5 0.16 AML other m 2018-09-20T09:47:29.93
IV.PIEI.HHE. ML:1 3.8088205E-5 0.5184 AML other m 2018-09-20T09:47:31.36
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