Earthquake (quarry blast) with magnitude of ML 1.3 on date 27-03-2018 and time 12:01:44 (Italy) in region 8 km SW Campagnatico (GR)

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

  • 27-03-2018 10:01:44 (UTC)
  • 27-03-2018 12:01:44 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8470, 11.1890 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
Campagnatico GR 8 2412 2412
Grosseto GR 11 82087 84499
Cinigiano GR 18 2618 87117
Civitella Paganico GR 18 3154 90271
Roccastrada GR 19 9199 99470

Municipalities with at least 50000 inhabitants

An earthquake occurred to
11 Km NE of Grosseto (82087 inhabitants)
54 Km S of Siena (53903 inhabitants)
89 Km NW of Viterbo (67173 inhabitants)
89 Km SW of Arezzo (99543 inhabitants)
97 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 2018-03-27
10:01:44
42.8467 11.1893 1 2019-04-24
14:49:47
Bollettino Sismico Italiano INGV 65667881
Reviewed
Rev100
ML 1.3 2018-03-27
10:01:44
42.8612 11.1868 11 2018-03-27
10:17:08
Sala Sismica INGV-Roma 54876691
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-03-27 10:01:44 ± 0.14
Latitude 42.8467 ± 0.0126
Longitude 11.1893 ± 0.0098
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 65667881

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1400
Semi-minor axis of confidence ellipse (meter) 810
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 12
Circular confidence region, given by single value of horizontal uncertainty (meter) 1400.0
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 24
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.36
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.41998
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.4
Num. used stations 7
Type of magnitude ML
Reference to an origin 65667881
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-02-18 17:55:49

ML:1.3

Field Value
Value 1.3
Uncertainty 0.4
Num. used stations 7
Type of magnitude ML
Reference to an origin 54876691
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-03-27 10:17:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MRVN.HHZ. 2018-03-27T10:03:36.77 3.0 undecidable manual Sn 2.88 0
IV.SACR.HHZ. 2018-03-27T10:03:23.17 3.0 undecidable manual Sg 17.09 0
OX.CLUD.HHZ. 2018-03-27T10:03:16.51 3.0 undecidable manual Sn 1.58 0
IV.ESML.HHZ. 2018-03-27T10:03:11.38 3.0 negative manual Pn 1.25 0
IV.CAPR.HNZ. 2018-03-27T10:03:05.86 3.0 undecidable manual Sg 13.8 0
CH.PLONS.HHZ. 2018-03-27T10:02:38.31 3.0 undecidable manual Pn -2.65 0
OX.AGOR.HNZ. 2018-03-27T10:02:33.89 3.0 undecidable manual Pg 5.53 0
IV.MSSA.HHZ. 2018-03-27T10:02:33.18 3.0 undecidable manual Sg 5.6 0
NI.VINO.HHZ. 2018-03-27T10:02:31.75 3.0 negative manual Pn -0.98 0
CH.FUORN.HHZ. 2018-03-27T10:02:29.59 3.0 undecidable manual Pn -3.66 0
GU.PCP.HHZ. 2018-03-27T10:02:17.03 3.0 undecidable manual Pg 0.7 0
IV.CIMA.HNZ. 2018-03-27T10:02:12.86 3.0 positive manual Pn 1.93 0
IV.ARVD.HHZ. 2018-03-27T10:02:03.84 3.0 positive manual Pn -0.32 0
IV.CPGN.EHZ. 2018-03-27T10:02:00.32 3.0 undecidable manual P 0.04 0
IV.MAON.HHN. 2018-03-27T10:01:53.54 0.3 undecidable manual P 186 46.62 91 -0.19 70
IV.MCIV.HHN. 2018-03-27T10:01:52.17 0.3 undecidable manual P 101 40.3263 91 -0.3 69
TV.SF13.HHE. 2018-03-27T10:01:51.52 0.1 undecidable manual P 95 35.1426 91 0.1 97
IV.FROS.HHE. 2018-03-27T10:01:51.70 0.3 undecidable manual P 356 40.3263 91 -0.77 60
TV.SF04.EHZ. 2018-03-27T10:01:51.95 0.3 undecidable manual P 92 38.3283 91 -0.12 72
TV.SF14.HHE. 2018-03-27T10:01:51.31 0.1 undecidable manual P 106 36.0417 91 -0.3 93
TV.SF01.EHZ. 2018-03-27T10:01:50.94 0.3 undecidable manual P 97 30.6471 91 0.41 69
IV.ARCI.HHZ. 2018-03-27T10:01:49.49 0.1 undecidable manual P 88 23.2545 91 0.44 92
IV.CASP.HHZ. 2018-03-27T10:01:49.84 0.1 undecidable manual P 257 27.0507 91 0.03 100
IV.RIBO.EHZ.01 2018-03-27T10:01:48.00 0.1 undecidable manual P 314 16.2726 92 0.36 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RIBO.EHE.01 ML:1.7 0.00050769475 0.224 AML other m 2018-03-27T10:01:51.22
IV.CASP.HHE. ML:1.1 0.0000785 0.9 AML other m 2018-03-27T10:01:54.04
IV.ARCI.HHE. ML:1.1 0.00009235 1.48 AML other m 2018-03-27T10:01:55.02
IV.ARCI.HHN. ML:0.9 0.00005875 0.22 AML other m 2018-03-27T10:01:55.54
IV.CASP.HHN. ML:1.0 0.00005915 0.54 AML other m 2018-03-27T10:01:57.49
TV.SF04.EHE. ML:1.9 0.0003145 0.7 AML other m 2018-03-27T10:01:59.74
TV.SF04.EHN. ML:1.8 0.00022299999999999997 1.78 AML other m 2018-03-27T10:01:59.90
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