Istituto Nazionale di Geofisica e Vulcanologia

Earthquake (quarry blast) with magnitude of ML 1.3 on date 22-11-2017 and time 10:58:02 (UTC) in region 8 km W Campagnatico (GR)

A magnitude ML 1.3 (quarry blast) earthquake occured in region: 8 km W Campagnatico (GR), on

  • 22-11-2017 10:58:02 (UTC)
  • 22-11-2017 11:58:02 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8540, 11.1920 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
Campagnatico GR 8 2412 2412
Grosseto GR 12 82087 84499
Cinigiano GR 17 2618 87117
Civitella Paganico GR 17 3154 90271
Roccastrada GR 18 9199 99470

Municipalities with at least 50000 inhabitants

An earthquake occurred to
12 Km NE of Grosseto (82087 inhabitants)
53 Km S of Siena (53903 inhabitants)
88 Km SW of Arezzo (99543 inhabitants)
89 Km NW of Viterbo (67173 inhabitants)
98 Km NW of Civitavecchia (52991 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 1.3 2017-11-22
10:58:02		 42.8542 11.1917 0 2018-09-04
09:09:18		 Bollettino Sismico Italiano INGV 58019921
Reviewed
Rev100 		ML 1.3 2017-11-22
10:58:02		 42.8548 11.1942 10 2017-11-22
11:10:01		 Sala Sismica INGV-Roma 52052921
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-11-22 10:58:02 ± 0.14
Latitude 42.8542 ± 0.0117
Longitude 11.1917 ± 0.0110
Depth (km) 0 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type quarry blast
Origin ID 58019921

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1350
Semi-minor axis of confidence ellipse (meter) 820
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 20
Circular confidence region, given by single value of horizontal uncertainty (meter) 1350.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 92
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.38
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.57197
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 7
Type of magnitude ML
Reference to an origin 58019921
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-06-21 14:07:13

ML:1.3

Field Value
Value 1.3
Uncertainty 0.1
Num. used stations 8
Type of magnitude ML
Reference to an origin 52052921
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-11-22 11:10:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TDS.HHZ. 2017-11-22T10:59:12.76 3.0 undecidable manual Pn 2.91 0
CH.MUGIO.HHZ. 2017-11-22T10:59:05.89 3.0 undecidable manual Sn 0.33 0
IV.STAL.HHZ. 2017-11-22T10:58:59.10 3.0 undecidable manual Sn -3.79 0
IV.CMPR.HHZ. 2017-11-22T10:58:54.40 3.0 undecidable manual Pn -1.53 0
IV.T1299.EHZ. 2017-11-22T10:58:41.73 3.0 undecidable manual Sn 0.2 0
IV.T1221.EHZ. 2017-11-22T10:58:16.41 3.0 positive manual P 3.34 0
IV.MAGO.HHZ. 2017-11-22T10:58:14.19 0.3 undecidable manual P 317 63.492 50 -0.93 55
IV.MAON.HHE. 2017-11-22T10:58:11.82 0.3 undecidable manual P 186 47.5191 90 -0.21 73
TV.SF11.HHZ. 2017-11-22T10:58:10.48 0.3 undecidable manual P 88 39.627 90 0.03 76
IV.FROS.HHN. 2017-11-22T10:58:10.42 0.3 undecidable manual P 356 39.5271 90 -0.01 77
TV.SF03.EHE. 2017-11-22T10:58:10.63 0.3 undecidable manual P 98 40.626 90 -0.01 76
TV.SF14.HHZ. 2017-11-22T10:58:09.43 0.3 undecidable manual P 108 36.1416 90 -0.32 72
IV.TRIF.HHE. 2017-11-22T10:58:09.55 0.3 undecidable manual P 321 37.2294 90 -0.42 71
TV.SF13.HHN. 2017-11-22T10:58:09.76 0.3 undecidable manual P 96 35.0427 90 0.23 74
IV.CASP.HHZ. 2017-11-22T10:58:08.24 0.1 undecidable manual P 255 27.4503 90 0.22 100
IV.ARCI.HHZ. 2017-11-22T10:58:07.42 0.3 undecidable manual P 91 23.0547 90 0.29 75
IV.RIBO.EHZ.01 2017-11-22T10:58:06.32 0.1 positive manual P 312 15.7731 90 0.64 91
IV.MURB.HNZ. 2017-11-22T10:58:06.67 3.0 undecidable manual P -0.42 0
IV.PE3.EHZ. 2017-11-22T10:58:04.17 3.0 undecidable manual P 0.16 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RIBO.EHE.01 ML:1.9 0.00085898005 0.22 AML other m 2017-11-22T10:58:09.69
IV.CASP.HHE. ML:1.1 0.00007179192500000001 0.32 AML other m 2017-11-22T10:58:13.05
IV.ARCI.HHE. ML:1.3 0.00013950209499999998 0.54 AML other m 2017-11-22T10:58:13.51
IV.ARCI.HHN. ML:1.3 0.00013040859999999998 0.26 AML other m 2017-11-22T10:58:14.25
IV.CASP.HHN. ML:1.1 0.000082436565 0.36 AML other m 2017-11-22T10:58:17.94
IV.MAGO.HHE. ML:1.4 0.000051288589999999995 0.528 AML other m 2017-11-22T10:58:26.89
IV.MAGO.HHN. ML:1.4 0.00004315037 0.384 AML other m 2017-11-22T10:58:27.22
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