Earthquake (quarry blast) with magnitude of ML 1.8 on date 27-07-2022 and time 09:12:24 (UTC) in region 3 km NW Sarule (NU)

A magnitude ML 1.8 (quarry blast) earthquake occured in region: 3 km NW Sarule (NU), on

  • 27-07-2022 09:12:24 (UTC)
  • 27-07-2022 11:12:24 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.2520, 9.1370 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
Orani NU 4 2891 2891
Sarule NU 4 1691 4582
Oniferi NU 4 898 5480
Orotelli NU 6 2054 7534
Olzai NU 8 875 8409
Ottana NU 8 2334 10743
Ollolai NU 10 1318 12061
Gavoi NU 11 2695 14756
Mamoiada NU 13 2555 17311
Lodine NU 13 348 17659
Illorai SS 16 886 18545
Teti NU 17 677 19222
Ovodda NU 17 1621 20843
Bolotana NU 17 2656 23499
Fonni NU 18 3970 27469
Nuoro NU 18 37091 64560
Noragugume NU 19 324 64884
Bottidda SS 19 694 65578
Orgosolo NU 19 4229 69807
Lei NU 19 516 70323
Esporlatu SS 20 398 70721
Burgos SS 20 938 71659

Municipalities with at least 50000 inhabitants

An earthquake occurred to
72 Km SE of Sassari (127525 inhabitants)
81 Km SW of Olbia (59368 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 1.8 2022-07-27
09:12:24
40.2517 9.1373 1 2023-01-31
19:03:34
Bollettino Sismico Italiano INGV 108973951
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-07-27 09:12:24 ± 0.14
Latitude 40.2517 ± 0.0081
Longitude 9.1373 ± 0.0153
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 108973951

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1300
Semi-minor axis of confidence ellipse (meter) 860
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 277
Circular confidence region, given by single value of horizontal uncertainty (meter) 1300.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 140
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 7
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.23297
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.4
Num. used stations 14
Type of magnitude ML
Reference to an origin 108973951
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-08-27 00:24:09
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GATE.HHZ. 2022-07-27T09:14:26.64 3.0 undecidable manual Sn 3.48 0
OX.CIMO.HHZ. 2022-07-27T09:14:22.30 3.0 undecidable manual Pg 23.559999 0
IV.FRON.EHZ. 2022-07-27T09:14:15.44 3.0 undecidable manual Sn 0.25 0
GU.MGRO.HHZ. 2022-07-27T09:14:08.20 3.0 undecidable manual Sn -0.69 0
1J.FX14.HHZ.00 2022-07-27T09:14:07.36 3.0 negative manual Pg 19.040001 0
CH.BNALP.HHZ. 2022-07-27T09:14:01.92 3.0 negative manual Pn 1.25 0
IV.MTCE.HHZ. 2022-07-27T09:13:51.24 3.0 undecidable manual Sn 0.05 0
IV.CPGN.EHZ. 2022-07-27T09:13:44.76 3.0 negative manual Pg 17.08 0
IV.IMOL.HNZ. 2022-07-27T09:13:36.57 3.0 positive manual Pn 5.09 0
TV.SU26.HHZ. 2022-07-27T09:12:48.91 0.3 undecidable manual P 204 136.863 50 0.49 56
IV.CGL.BHZ. 2022-07-27T09:12:42.55 0.1 undecidable manual P 172 99.123 50 -0.06 89
IV.AGLI.HHZ. 2022-07-27T09:12:41.87 0.3 undecidable manual P 2 97.125 50 -0.43 62
MN.VSL.HHZ. 2022-07-27T09:12:40.35 0.1 undecidable manual P 166 86.247 50 -0.28 87
IV.DGI.HHZ. 2022-07-27T09:12:32.76 0.1 positive manual P 79 40.4262 91 0.11 98
MN.SENA.HHZ. 2022-07-27T09:12:31.55 0.1 positive manual P 52 34.4433 91 0.09 99
IV.BULT.EHN. 2022-07-27T09:12:30.62 0.1 undecidable manual P 344 29.748 91 0.1 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.DGI.HNE. ML:1.5 0.00011499999999999999 0.48 AML other m 2022-07-27T09:12:33.36
IV.DGI.HHE. ML:1.4 0.0000998 0.5 AML other m 2022-07-27T09:12:33.12
IV.DGI.HHN. ML:1.4 0.0000924 0.52 AML other m 2022-07-27T09:12:38.28
IV.DGI.HNN. ML:1.4 0.0000931 0.54 AML other m 2022-07-27T09:12:38.28
MN.SENA.HHE. ML:1.1 0.00005985 0.66 AML other m 2022-07-27T09:12:39.52
MN.SENA.HHN. ML:1.1 0.000054449999999999995 0.42 AML other m 2022-07-27T09:12:40.39
MN.VSL.HHE. ML:2.6 0.00044050000000000003 0.14 AML other m 2022-07-27T09:12:54.62
MN.VSL.HHN. ML:2.4 0.0002985 0.12 AML other m 2022-07-27T09:12:54.69
IV.CGL.BHE. ML:2.0 0.000111 1.1 AML other m 2022-07-27T09:12:57.20
IV.CGL.BHN. ML:2.0 0.0001017 0.2 AML other m 2022-07-27T09:12:57.90
IV.AGLI.HHE. ML:2.0 0.00010215 0.54 AML other m 2022-07-27T09:12:58.50
TV.SU26.HHN. ML:2.1 0.00007725 0.26 AML other m 2022-07-27T09:13:07.24
TV.SU26.HHE. ML:2.2 0.00010175 0.82 AML other m 2022-07-27T09:13:07.25
IV.AGLI.HHN. ML:1.9 0.00007835000000000001 0.42 AML other m 2022-07-27T09:13:09.29
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