Istituto Nazionale di Geofisica e Vulcanologia

Earthquake (quarry blast) with magnitude of ML 1.7 on date 23-03-2018 and time 12:55:38 (UTC) in region 3 km SW Serra San Quirico (AN)

A magnitude ML 1.7 (quarry blast) earthquake occured in region: 3 km SW Serra San Quirico (AN), on

  • 23-03-2018 12:55:38 (UTC)
  • 23-03-2018 13:55:38 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.4310, 12.9830 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
Serra San Quirico AN 3 2850 2850
Genga AN 4 1797 4647
Mergo AN 6 1037 5684
Arcevia AN 9 4612 10296
Rosora AN 9 1985 12281
Poggio San Vicino MC 10 246 12527
Sassoferrato AN 10 7285 19812
Castelplanio AN 11 3540 23352
Cupramontana AN 11 4756 28108
Poggio San Marcello AN 12 693 28801
Fabriano AN 12 31480 60281
Cerreto d'Esi AN 12 3817 64098
Maiolati Spontini AN 12 6248 70346
Montecarotto AN 13 1987 72333
Apiro MC 13 2280 74613
Serra de' Conti AN 13 3746 78359
Monte Roberto AN 14 3061 81420
Castelbellino AN 15 4947 86367
San Paolo di Jesi AN 16 933 87300
Staffolo AN 17 2253 89553
Barbara AN 17 1368 90921
Serra Sant'Abbondio PU 18 1027 91948
Pergola PU 19 6333 98281
Matelica MC 19 9981 108262
San Lorenzo in Campo PU 20 3414 111676
Castelleone di Suasa AN 20 1676 113352
Cingoli MC 20 10352 123704
Esanatoglia MC 20 2034 125738

Municipalities with at least 50000 inhabitants

An earthquake occurred to
46 Km S of Fano (60888 inhabitants)
48 Km W of Ancona (100861 inhabitants)
54 Km S of Pesaro (94582 inhabitants)
57 Km NE of Foligno (57155 inhabitants)
60 Km NE of Perugia (166134 inhabitants)
78 Km SE of Rimini (147750 inhabitants)
89 Km E of Arezzo (99543 inhabitants)
99 Km SE of Cesena (96758 inhabitants)
100 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 1.7 2018-03-23
12:55:38		 43.4307 12.9832 0 2019-04-24
14:49:46		 Bollettino Sismico Italiano INGV 65245421
Reviewed
Rev100 		ML 1.5 2018-03-23
12:55:37		 43.439 12.9953 7 2018-03-23
13:06:34		 Sala Sismica INGV-Roma 54786301
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-03-23 12:55:38 ± 0.09
Latitude 43.4307 ± 0.0045
Longitude 12.9832 ± 0.0050
Depth (km) 0 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type quarry blast
Origin ID 65245421

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 500
Semi-minor axis of confidence ellipse (meter) 380
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 213
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) 82
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.34174
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.7
Num. used stations 34
Type of magnitude ML
Reference to an origin 65245421
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-02-28 08:19:43

ML:1.5

Field Value
Value 1.5
Uncertainty 0.4
Num. used stations 32
Type of magnitude ML
Reference to an origin 54786301
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-03-23 13:06:34
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EUCT.HNZ. 2018-03-23T12:57:20.29 3.0 undecidable manual Sg 6.79 0
IV.MCRV.HHZ. 2018-03-23T12:57:19.95 3.0 undecidable manual Sg 9.16 0
IV.AIO.HHZ. 2018-03-23T12:57:17.72 3.0 undecidable manual Pg 10.67 0
IV.SPS2.HHZ. 2018-03-23T12:57:03.72 3.0 positive manual Pg 8.59 0
IV.TDS.HHZ. 2018-03-23T12:56:54.30 3.0 undecidable manual Pn 3.49 0
IV.PTRJ.HNZ. 2018-03-23T12:56:54.70 3.0 undecidable manual Sg 2.1 0
IV.SBPO.HNZ. 2018-03-23T12:56:43.09 3.0 undecidable manual Sn -3.82 0
IV.MAON.HHZ. 2018-03-23T12:56:38.87 3.0 undecidable manual Sg 3.44 0
IV.FVI.HHZ. 2018-03-23T12:56:28.07 3.0 positive manual Pn -3.15 0
IV.MCRV.HHZ. 2018-03-23T12:56:28.77 3.0 undecidable manual Pn -2.47 0
IV.VOBA.HNZ. 2018-03-23T12:56:28.65 3.0 positive manual Pg 2.08 0
IV.MNTV.HNZ. 2018-03-23T12:56:20.32 3.0 undecidable manual Pg 0.65 0
IV.SEF1.HNN. 2018-03-23T12:56:00.52 0.6 undecidable manual S 31.6461 1.152 0
IV.CSP1.EHZ. 2018-03-23T12:55:59.14 3.0 undecidable manual P 0
IV.SEF1.HNN. 2018-03-23T12:55:58.61 0.1 undecidable manual P 31.6461 1.424 0
IV.T1299.EHZ. 2018-03-23T12:55:56.43 3.0 positive manual P -2.21 0
IV.PIEI.HHZ. 2018-03-23T12:55:50.80 0.3 undecidable manual S 288 37.9287 90 -0.38 66
IV.CIMA.HNZ. 2018-03-23T12:55:49.04 3.0 positive manual P -3.52 0
IV.APEC.HHZ. 2018-03-23T12:55:47.57 3.0 undecidable manual P 0.72 0
IV.FRON.EHZ. 2018-03-23T12:55:46.30 0.3 undecidable manual S 295 22.8549 90 0.33 68
IV.SNTG.HHZ. 2018-03-23T12:55:45.04 0.3 undecidable manual S 190 19.7691 90 0.14 71
IV.SSFR.HHZ. 2018-03-23T12:55:44.21 0.3 undecidable manual S 272 16.1727 90 0.56 65
IV.CING.HHN. 2018-03-23T12:55:44.74 0.3 undecidable manual S 110 18.1707 90 0.4 68
IV.PIEI.HHZ. 2018-03-23T12:55:44.91 0.3 undecidable manual P 288 37.9287 90 -0.72 59
IV.EL6.EHZ. 2018-03-23T12:55:43.37 0.3 undecidable manual S 140 14.7741 90 0.22 71
IV.FRON.EHZ. 2018-03-23T12:55:42.45 0.1 undecidable manual P 295 22.8549 90 -0.16 94
IV.SSFR.HHZ. 2018-03-23T12:55:41.29 0.1 undecidable manual P 272 16.1727 90 0.01 98
IV.SNTG.HHZ. 2018-03-23T12:55:41.83 0.1 undecidable manual P 190 19.7691 90 -0.17 95
IV.ARVD.HHZ. 2018-03-23T12:55:41.20 0.1 undecidable manual S 336 8.1807 91 0.32 94
IV.CING.HHN. 2018-03-23T12:55:41.55 0.3 undecidable manual P 110 18.1707 90 -0.12 72
IV.EL6.EHZ. 2018-03-23T12:55:40.67 0.3 undecidable manual P 140 14.7741 90 -0.31 70
IV.ARVD.HHZ. 2018-03-23T12:55:39.67 0.1 undecidable manual P 336 8.1807 91 0 100
IV.MMUR.HNZ. 2018-03-23T12:55:38.56 0.1 undecidable manual S 43 1.6983 94 -0.06 100
IV.MMUR.HNZ. 2018-03-23T12:55:38.27 0.1 undecidable manual P 43 1.6983 94 -0.1 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.EL6.EHN. ML:1.3 0.00022202040000000002 0.8 AML other m 2018-03-23T12:55:41.32
IV.EL6.EHE. ML:0.9 0.00009598383999999998 0.56 AML other m 2018-03-23T12:55:41.32
IV.SNTG.HNE. ML:1.5 0.00027382455 0.56 AML other m 2018-03-23T12:55:42.68
IV.SSFR.HNN. ML:1.3 0.00019595055 0.128 AML other m 2018-03-23T12:55:45.45
IV.SSFR.HHE. ML:1.1 0.00014709825000000002 0.1408 AML other m 2018-03-23T12:55:45.89
IV.SSFR.HNE. ML:1.2 0.0001792975 0.1536 AML other m 2018-03-23T12:55:45.91
IV.SSFR.HHN. ML:1.1 0.000151756005 0.16 AML other m 2018-03-23T12:55:46.49
IV.SNTG.HHE. ML:0.8 0.00005166492 0.4416 AML other m 2018-03-23T12:55:46.60
IV.APEC.HNN. ML:2.4 0.00070447425 1.2064 AML other m 2018-03-23T12:55:46.69
IV.FRON.EHE. ML:0.8 0.00003855067 0.16 AML other m 2018-03-23T12:55:46.92
IV.SNTG.HHN. ML:0.7 0.00004101046 0.2752 AML other m 2018-03-23T12:55:47.71
IV.FRON.EHN. ML:1.1 0.00008316110999999999 0.3008 AML other m 2018-03-23T12:55:47.84
IV.SNTG.HNN. ML:1.4 0.00021150780000000002 0.96 AML other m 2018-03-23T12:55:48.06
IV.APEC.HNE. ML:2.4 0.0008254581000000001 1.0528 AML other m 2018-03-23T12:55:48.23
IV.CIMA.HNE. ML:2.7 0.0011732450999999999 0.768 AML other m 2018-03-23T12:55:50.41
IV.PIEI.HHE. ML:1.0 0.00003921227 0.0832 AML other m 2018-03-23T12:55:51.63
IV.APEC.HHE. ML:1.4 0.000081626665 0.1024 AML other m 2018-03-23T12:55:52.05
IV.PIEI.HHN. ML:0.7 0.000019948055 0.1408 AML other m 2018-03-23T12:55:52.05
IV.APEC.HHN. ML:1.4 0.00007209197000000001 0.0832 AML other m 2018-03-23T12:55:52.63
IV.CIMA.HNN. ML:2.8 0.001400848 0.512 AML other m 2018-03-23T12:56:01.03
IV.T1299.EHE. ML:1.7 0.000053403754999999995 1.7376 AML other m 2018-03-23T12:56:15.05
IV.T1299.EHN. ML:1.7 0.000052528445000000007 0.48 AML other m 2018-03-23T12:56:15.51
IV.T1299.HNE. ML:2.1 0.000135234415 1.232 AML other m 2018-03-23T12:56:19.88
IV.MNTV.HNE. ML:3.5 0.0005965904 0.3392 AML other m 2018-03-23T12:56:24.27
IV.T1299.HNN. ML:2.2 0.00017905222 0.8512 AML other m 2018-03-23T12:56:25.56
IV.VOBA.HNE. ML:3.2 0.0001627491 0.1216 AML other m 2018-03-23T12:56:29.00
IV.FVI.HHN. ML:2.5 0.000022793684 1.5008 AML other m 2018-03-23T12:56:29.84
IV.VOBA.HNN. ML:3.1 0.00013573515 0.1792 AML other m 2018-03-23T12:56:37.75
IV.MCRV.HHE. ML:2.5 0.000030509824000000003 1.2224 AML other m 2018-03-23T12:56:42.12
IV.TDS.HHE. ML:3.2 0.000051852195000000004 0.0992 AML other m 2018-03-23T12:57:08.53
IV.MCRV.HHN. ML:2.2 0.000013253798 0.48 AML other m 2018-03-23T12:57:11.55
IV.MNTV.HNN. ML:3.9 0.0014408836 0.9632 AML other m 2018-03-23T12:57:24.28
IV.FVI.HHE. ML:2.5 0.00002315708 0.4992 AML other m 2018-03-23T12:57:39.58
IV.TDS.HHN. ML:3.2 0.000051687435000000005 0.0416 AML other m 2018-03-23T12:58:06.50
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