Earthquake (quarry blast) with magnitude of ML 1.1 on date 03-12-2018 and time 10:01:30 (Italy) in region 6 km SW Sefro (MC)

A magnitude ML 1.1 (quarry blast) earthquake occured in region: 6 km SW Sefro (MC), on

  • 03-12-2018 09:01:30 (UTC)
  • 03-12-2018 10:01:30 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.1160, 12.8840 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
Sefro MC 6 422 422
Serravalle di Chienti MC 7 1070 1492
Nocera Umbra PG 8 5839 7331
Fiuminata MC 9 1402 8733
Pioraco MC 11 1134 9867
Valtopina PG 12 1398 11265
Muccia MC 14 915 12180
Camerino MC 15 6974 19154
Gualdo Tadino PG 15 15208 34362
Pieve Torina MC 16 1458 35820
Esanatoglia MC 16 2034 37854
Monte Cavallo MC 17 145 37999
Pievebovigliana MC 17 866 38865
Castelraimondo MC 18 4587 43452
Fiordimonte MC 19 202 43654
Matelica MC 19 9981 53635

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km NE of Foligno (57155 inhabitants)
40 Km E of Perugia (166134 inhabitants)
65 Km NE of Terni (111501 inhabitants)
76 Km SW of Ancona (100861 inhabitants)
82 Km S of Fano (60888 inhabitants)
84 Km NW of Teramo (54892 inhabitants)
88 Km S of Pesaro (94582 inhabitants)
90 Km E of Arezzo (99543 inhabitants)
95 Km NW of L'Aquila (69753 inhabitants)
100 Km NE of Viterbo (67173 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 1.1 2018-12-03
09:01:30
43.116 12.8845 1 2019-06-04
09:16:18
Bollettino Sismico Italiano INGV 68756741
Reviewed
Rev100
ML 1.2 2018-12-03
09:01:30
43.1202 12.8943 8 2018-12-03
09:07:42
Sala Sismica INGV-Roma 63606421
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-12-03 09:01:30 ± 0.14
Latitude 43.1160 ± 0.0090
Longitude 12.8845 ± 0.0111
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 68756741

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 960
Semi-minor axis of confidence ellipse (meter) 900
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 344
Circular confidence region, given by single value of horizontal uncertainty (meter) 960.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 87
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 8
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) 0.23472
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 68756741
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-05-21 11:23:22

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 63606421
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-12-03 09:07:42
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ERC.EHZ. 2018-12-03T09:03:20.73 3.0 undecidable manual Sn -7.32 0
IV.IST3.HHZ. 2018-12-03T09:03:14.01 3.0 undecidable manual Sn -4.25 0
HL.VLS.HHZ. 2018-12-03T09:03:09.91 3.0 undecidable manual Pn -1.97 0
IV.AGLI.HHZ. 2018-12-03T09:03:05.08 3.0 undecidable manual Sg 11.91 0
IV.ZONE.HHZ. 2018-12-03T09:03:02.80 3.0 undecidable manual Sn -1.74 0
IV.FAVR.HHZ. 2018-12-03T09:02:44.89 3.0 undecidable manual Pn -0.46 0
IV.MTGR.HHZ. 2018-12-03T09:02:44.39 3.0 negative manual Pg 7.97 0
IV.PAOL.HHZ. 2018-12-03T09:02:30.76 3.0 undecidable manual Sg 6.36 0
IV.COLB.HHZ. 2018-12-03T09:02:26.40 3.0 undecidable manual Sg 1.45 0
IV.EUCT.HNZ. 2018-12-03T09:02:24.87 3.0 undecidable manual Pn 2.96 0
IV.MSSA.HHZ. 2018-12-03T09:02:22.34 3.0 negative manual Pg 10.71 0
IV.COLB.HHZ. 2018-12-03T09:01:56.88 3.0 undecidable manual Pn -2.2 0
IV.CSP1.EHZ. 2018-12-03T09:01:36.70 0.3 undecidable manual P 96 26.0517 91 0.57 64
IV.ASSB.HHZ. 2018-12-03T09:01:35.16 0.3 undecidable manual P 246 20.0688 91 0.24 70
IV.FOSV.EHZ. 2018-12-03T09:01:35.26 0.6 undecidable manual P 333 22.1556 91 -0.1 48
IV.FDMO.HHZ. 2018-12-03T09:01:34.29 0.3 undecidable manual P 118 18.6702 92 -0.35 69
IV.CESI.HHZ. 2018-12-03T09:01:33.20 0.3 undecidable manual P 172 12.4764 92 -0.2 72
IV.SNTG.HHE. 2018-12-03T09:01:33.90 0.3 undecidable manual P 16 16.0728 92 -0.23 71
IV.SEF1.HNN. 2018-12-03T09:01:32.25 0.3 undecidable manual P 56 6.1938 95 0.11 74
IV.MML1.EHZ. 2018-12-03T09:01:32.31 0.1 undecidable manual P 92 7.0929 94 -0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHN. ML:0.9 0.0001265 1.26 AML other m 2018-12-03T09:01:36.08
IV.CESI.HHE. ML:1.0 0.0001635 0.26 AML other m 2018-12-03T09:01:38.68
IV.ASSB.HHN. ML:1.1 0.00011099999999999999 1.74 AML other m 2018-12-03T09:01:38.89
IV.ASSB.HHE. ML:0.9 0.00006905 0.74 AML other m 2018-12-03T09:01:40.92
IV.CSP1.EHN. ML:1.2 0.00010149999999999997 1.58 AML other m 2018-12-03T09:01:52.98
IV.CSP1.EHE. ML:1.5 0.00017549999999999998 1.58 AML other m 2018-12-03T09:01:54.97
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