Earthquake (quarry blast) with magnitude of ML 1.7 on date 07-06-2023 and time 07:56:43 (UTC) in region 5 km N Escalaplano (CA)

A magnitude ML 1.7 (quarry blast) earthquake occured in region: 5 km N Escalaplano (CA), on

  • 07-06-2023 07:56:43 (UTC)
  • 07-06-2023 09:56:43 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 39.6710, 9.3550 at 0 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Escalaplano CA 5 2201 2201
Perdasdefogu OG 8 1957 4158
Orroli CA 9 2298 6456
Nurri CA 12 2184 8640
Goni CA 12 492 9132
Ballao CA 14 831 9963
Esterzili CA 14 668 10631
Ussassai OG 16 575 11206
Siurgus Donigala CA 17 2028 13234
Armungia CA 17 481 13715
Villanova Tulo CA 17 1108 14823
Sadali CA 18 971 15794
Silius CA 18 1202 16996
Serri CA 18 660 17656
Seui OG 19 1310 18966
Mandas CA 19 2201 21167
Tertenia OG 19 3888 25055
Jerzu OG 20 3159 28214
San Nicolò Gerrei CA 20 788 29002
Villasalto CA 20 1062 30064
San Basilio CA 20 1251 31315

Municipalities with at least 50000 inhabitants

An earthquake occurred to
50 Km N of Quartu Sant'Elena (71125 inhabitants)
55 Km NE of Cagliari (154460 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
Reviewed
Rev100
ML 1.7 2023-06-07
07:56:43
39.6713 9.3552 0 2023-06-07
13:21:35
Sala Sismica INGV-Roma 118181891
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-06-07 07:56:43 ± 0.01
Latitude 39.6713 ± 0.0009
Longitude 9.3552 ± 0.0023
Depth (km) 0 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type quarry blast
Origin ID 118181891

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 400
Semi-minor axis of confidence ellipse (meter) 170
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 11
Circular confidence region, given by single value of horizontal uncertainty (meter) 170.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 157
Number of associated phases, regardless of their use for origin computation 5
Number of defining phases 5
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.01
Epicentral distance of station closest to the epicenter (degree) 0.17627
Epicentral distance of station farthest from the epicenter (degree) 0.86425
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.1
Num. used stations 10
Type of magnitude ML
Reference to an origin 118181891
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-06-07 13:21:35
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
TV.SU26.HHZ. 2023-06-07T07:57:01.44 0.6 positive manual P 231 95.9262 50 0.01 45
MN.SENA.HHZ. 2023-06-07T07:56:59.93 0.1 positive manual P 6 86.1471 50 0 91
IV.DGI.HHZ. 2023-06-07T07:56:58.19 0.1 positive manual P 17 74.8695 50 0 93
IV.CGL.HHZ. 2023-06-07T07:56:50.68 0.1 positive manual P 189 34.2435 90 -0.01 100
MN.VSL.HHZ. 2023-06-07T07:56:47.77 1.0 negative manual P 174 19.5693 90 0.03 26
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
MN.VSL.HHE. ML:1.8 0.0005325 0.22 AML other m 2023-06-07T07:56:51.62
MN.VSL.HHN. ML:1.8 0.000536 0.66 AML other m 2023-06-07T07:56:53.44
IV.CGL.HHN. ML:1.8 0.0002485 0.28 AML other m 2023-06-07T07:56:55.70
IV.CGL.HHE. ML:1.8 0.00027400000000000005 0.9 AML other m 2023-06-07T07:56:55.32
TV.SU26.HHN. ML:1.5 0.000037199999999999996 0.5 AML other m 2023-06-07T07:57:03.74
IV.DGI.HHN. ML:1.8 0.0000883 1.22 AML other m 2023-06-07T07:57:12.77
IV.DGI.HHE. ML:1.6 0.00005805 0.22 AML other m 2023-06-07T07:57:13.87
MN.SENA.HHN. ML:1.9 0.00009145 0.36 AML other m 2023-06-07T07:57:14.83
TV.SU26.HHE. ML:1.5 0.00003535 0.4 AML other m 2023-06-07T07:57:15.44
MN.SENA.HHE. ML:1.7 0.00006715 0.52 AML other m 2023-06-07T07:57:15.60
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