Istituto Nazionale di Geofisica e Vulcanologia

Earthquake (quarry blast) with magnitude of ML 0.7 on date 20-03-2020 and time 15:43:17 (Italy) in region 4 km SW Serra San Quirico (AN)

A magnitude ML 0.7 (quarry blast) earthquake occured in region: 4 km SW Serra San Quirico (AN), on

  • 20-03-2020 14:43:17 (UTC)
  • 20-03-2020 15:43:17 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.4220, 12.9840 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 4 2850 2850
Genga AN 4 1797 4647
Mergo AN 7 1037 5684
Poggio San Vicino MC 9 246 5930
Arcevia AN 10 4612 10542
Rosora AN 10 1985 12527
Sassoferrato AN 10 7285 19812
Cupramontana AN 11 4756 24568
Cerreto d'Esi AN 11 3817 28385
Fabriano AN 11 31480 59865
Castelplanio AN 11 3540 63405
Apiro MC 12 2280 65685
Poggio San Marcello AN 13 693 66378
Maiolati Spontini AN 13 6248 72626
Montecarotto AN 14 1987 74613
Monte Roberto AN 14 3061 77674
Serra de' Conti AN 14 3746 81420
Castelbellino AN 15 4947 86367
San Paolo di Jesi AN 16 933 87300
Staffolo AN 17 2253 89553
Barbara AN 18 1368 90921
Matelica MC 18 9981 100902
Serra Sant'Abbondio PU 19 1027 101929
Esanatoglia MC 19 2034 103963
Cingoli MC 20 10352 114315
Pergola PU 20 6333 120648

Municipalities with at least 50000 inhabitants

An earthquake occurred to
47 Km S of Fano (60888 inhabitants)
48 Km W of Ancona (100861 inhabitants)
55 Km S of Pesaro (94582 inhabitants)
56 Km NE of Foligno (57155 inhabitants)
60 Km NE of Perugia (166134 inhabitants)
79 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 0.7 2020-03-20
14:43:17		 43.4217 12.9838 1 2020-07-18
21:08:41		 Bollettino Sismico Italiano INGV 80478321
Reviewed
Rev100 		ML 0.8 2020-03-20
14:43:17		 43.4473 13.0087 8 2020-03-20
15:01:33		 Sala Sismica INGV-Roma 77411131
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-03-20 14:43:17 ± 0.11
Latitude 43.4217 ± 0.0072
Longitude 12.9838 ± 0.0099
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 80478321

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 940
Semi-minor axis of confidence ellipse (meter) 630
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 45
Circular confidence region, given by single value of horizontal uncertainty (meter) 940.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 85
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.36692
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 80478321
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-06-24 19:36:17

ML:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 77411131
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-03-20 15:01:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ORI.HHZ. 2020-03-20T14:45:03.33 3.0 undecidable manual Sn -3.2 0
IV.CAGR.HHZ. 2020-03-20T14:45:00.43 3.0 undecidable manual Pg 19.02 0
TV.SU26.HHZ. 2020-03-20T14:44:58.62 3.0 undecidable manual Pg 20.440001 0
IV.RESU.HHZ. 2020-03-20T14:44:43.32 3.0 undecidable manual Pn 2.77 0
IV.CMPR.HHZ. 2020-03-20T14:44:21.44 3.0 negative manual Pg 13.74 0
GU.CANO.HHZ. 2020-03-20T14:44:19.77 3.0 negative manual Pg 9.55 0
IV.MILN.HNZ. 2020-03-20T14:44:14.43 3.0 undecidable manual Pg 7.82 0
MN.TRI.HHZ. 2020-03-20T14:44:14.23 3.0 undecidable manual Sn -0.5 0
IV.ROSPO.HHZ. 2020-03-20T14:44:08.21 3.0 undecidable manual Sn 1.51 0
IX.STN3.HHZ.02 2020-03-20T14:44:07.64 3.0 negative manual Pn 1 0
IV.MNTV.HNZ. 2020-03-20T14:43:51.23 3.0 undecidable manual Pn -0.35 0
IV.RNI2.HHZ. 2020-03-20T14:43:45.82 3.0 undecidable manual Pn 0.06 0
IV.LRP.EHZ. 2020-03-20T14:43:43.43 3.0 negative manual Pn -2.06 0
IV.FIR.HHZ. 2020-03-20T14:43:41.70 3.0 negative manual Pn 1.89 0
IV.CSP1.EHZ. 2020-03-20T14:43:25.29 0.6 undecidable manual P 154 40.7259 91 -0.48 43
IV.PIEI.HHZ. 2020-03-20T14:43:24.72 0.3 undecidable manual P 289 38.3283 91 -0.57 63
IV.FRON.EHZ. 2020-03-20T14:43:22.34 0.3 undecidable manual P 297 23.3544 91 0.04 74
IV.CING.HNZ. 2020-03-20T14:43:21.20 0.3 undecidable manual P 107 17.7711 92 0.01 75
IV.SNTG.HHZ. 2020-03-20T14:43:21.59 0.3 undecidable manual P 191 18.7701 92 0.2 72
IV.SSFR.HNE. 2020-03-20T14:43:21.21 0.3 undecidable manual P 276 16.3725 92 0.32 70
IV.EL6.EHZ. 2020-03-20T14:43:20.50 0.3 undecidable manual P 137 13.9749 92 0.08 74
IV.ARVD.HHZ. 2020-03-20T14:43:19.53 0.1 undecidable manual P 338 9.1797 93 0.08 100
IV.MMUR.HNZ. 2020-03-20T14:43:18.15 0.3 undecidable manual P 26 2.4975 101 0.02 77
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SNTG.HNN. ML:1.4 0.0002045459 0.7616 AML other m 2020-03-20T14:43:23.19
IV.EL6.EHN. ML:0.8 0.000072694105 0.6592 AML other m 2020-03-20T14:43:24.19
IV.EL6.EHE. ML:0.7 0.000060020685 1.5232 AML other m 2020-03-20T14:43:24.24
IV.SNTG.HNE. ML:1.1 0.00011401185 0.4416 AML other m 2020-03-20T14:43:25.53
IV.SNTG.HHN. ML:0.8 0.00005616664 0.1984 AML other m 2020-03-20T14:43:26.19
IV.FRON.EHN. ML:0.6 0.000024080520000000002 0.7616 AML other m 2020-03-20T14:43:26.96
IV.FRON.EHE. ML:0.5 0.00001774332 1.2 AML other m 2020-03-20T14:43:27.11
IV.SNTG.HHE. ML:0.6 0.000036576075 0.224 AML other m 2020-03-20T14:43:27.44
IV.PIEI.HHN. ML:0.4 0.000011977681 1.2576 AML other m 2020-03-20T14:43:31.02
IV.PIEI.HHE. ML:0.6 0.00001523279 0.7552 AML other m 2020-03-20T14:43:31.74
IV.CSP1.EHE. ML:0.8 0.000017533960000000002 0.3008 AML other m 2020-03-20T14:43:32.91
IV.CSP1.EHN. ML:1.0 0.00003539241 0.2432 AML other m 2020-03-20T14:43:33.59
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