Earthquake 2 km W San Michele Mondovì (CN), Magnitude ML 1.0, 11 August 2022 time 09:54:27 (Timezone UTC)

A magnitude ML 1.0 (quarry blast) earthquake occured in region: 2 km W San Michele Mondovì (CN), on

11-08-2022 09:54:27 (UTC)
11-08-2022 11:54:27 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.3800, 7.8900 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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Display location by

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).

Municipality	Region	Distance (km)	Inhabitants	Cumulative Inhabitants
San Michele Mondovì	CN	2	2003	2003
Vicoforte	CN	2	3136	5139
Briaglia	CN	2	318	5457
Torre Mondovì	CN	3	498	5955
Niella Tanaro	CN	5	1046	7001
Mondovì	CN	6	22484	29485
Lesegno	CN	7	794	30279
Monasterolo Casotto	CN	7	89	30368
Mombasiglio	CN	7	609	30977
Monastero di Vasco	CN	7	1297	32274
Montaldo di Mondovì	CN	7	557	32831
Cigliè	CN	7	190	33021
Bastia Mondovì	CN	7	669	33690
Roburent	CN	8	495	34185
Rocca Cigliè	CN	9	142	34327
Castellino Tanaro	CN	9	312	34639
Scagnello	CN	9	194	34833
Lisio	CN	11	201	35034
Villanova Mondovì	CN	11	5792	40826
Carrù	CN	11	4486	45312
Marsaglia	CN	11	245	45557
Frabosa Sottana	CN	11	1497	47054
Magliano Alpi	CN	11	2253	49307
Roascio	CN	11	97	49404
Pamparato	CN	12	302	49706
Battifollo	CN	12	219	49925
Ceva	CN	12	5782	55707
Viola	CN	12	391	56098
Clavesana	CN	12	825	56923
Frabosa Soprana	CN	12	759	57682
Igliano	CN	12	74	57756
Rocca de' Baldi	CN	13	1662	59418
Torresina	CN	13	52	59470
Roccaforte Mondovì	CN	13	2085	61555
Nucetto	CN	14	430	61985
Pianfei	CN	14	2202	64187
Belvedere Langhe	CN	15	366	64553
Murazzano	CN	15	834	65387
Bagnasco	CN	15	1035	66422
Farigliano	CN	15	1755	68177
Morozzo	CN	15	2086	70263
Sale San Giovanni	CN	15	183	70446
Piozzo	CN	15	995	71441
Sale delle Langhe	CN	16	486	71927
Paroldo	CN	16	211	72138
Priero	CN	16	529	72667
Perlo	CN	16	116	72783
Margarita	CN	16	1441	74224
Massimino	SV	17	113	74337
Bonvicino	CN	17	92	74429
Dogliani	CN	17	4781	79210
Trinità	CN	18	2263	81473
Chiusa di Pesio	CN	18	3676	85149
Priola	CN	18	701	85850
San Benedetto Belbo	CN	18	179	86029
Mombarcaro	CN	18	268	86297
Bene Vagienna	CN	19	3671	89968
Beinette	CN	19	3423	93391
Castelnuovo di Ceva	CN	19	110	93501
Sant'Albano Stura	CN	20	2422	95923
Somano	CN	20	356	96279

Municipalities with at least 50000 inhabitants

An earthquake occurred to

27 Km E of Cuneo (56081 inhabitants)

48 Km W of Savona (61345 inhabitants)

63 Km N of Sanremo (54807 inhabitants)

63 Km SW of Asti (76202 inhabitants)

71 Km S of Moncalieri (57294 inhabitants)

79 Km S of Torino (890529 inhabitants)

83 Km SW of Alessandria (93943 inhabitants)

83 Km W of Genova (586655 inhabitants)

Recent and historical seismicity

Not available maps for this sismic event.

Seismic hazard

Not available maps for this sismic event.

Shakemap

Not available maps for this sismic event.

Felt maps

Not available maps for this sismic event.

Locations history

Type	Magnitude	Date and Time (UTC)	Latitude	Longitude	Depth (km)	Published time (UTC)	Author	Location ID
Bulletin Rev1000	ML 1.0	2022-08-11 09:54:27	44.3797	7.8902	1	2023-01-31 19:03:58	Bollettino Sismico Italiano INGV	113453681
Reviewed Rev100	ML 1.0	2022-08-11 09:54:27	44.3227	7.8977	11	2022-08-11 09:59:24	Sala Sismica INGV-Roma	108403851

Preferred location and magnitude until now.

Origin information

Origin

Field	Value
Time (UTC)	2022-08-11 09:54:27 ± 0.13
Latitude	44.3797 ± 0.0099
Longitude	7.8902 ± 0.0113
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	113453681

Uncertainty

Field	Value
Preferred uncertainty description	uncertainty ellipse
Semi-major axis of confidence ellipse (meter)	1070
Semi-minor axis of confidence ellipse (meter)	850
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi)	4
Circular confidence region, given by single value of horizontal uncertainty (meter)	1070.0
Confidence level of the uncertainty (%)	68

Quality

Field	Value
Largest azimuthal gap in station distribution as seen from epicenter (degree)	101
Number of associated phases, regardless of their use for origin computation	11
Number of defining phases	11
RMS of the travel time residuals of the arrivals used for the origin computation (sec)	0.34
Epicentral distance of station closest to the epicenter (degree)	0.14299
Epicentral distance of station farthest from the epicenter (degree)	0.88673
Number of stations at which the event was observed	11
Number of stations from which data was used for origin computation	11

Magnitudes information

ML:1.0

Field	Value
Value	1.0
Uncertainty	0.3
Num. used stations	8
Type of magnitude	ML
Reference to an origin	113453681
Agency	INGV
Autore	Bollettino Sismico Italiano INGV
Time of creation (UTC)	2023-01-10 15:07:01

ML:1.0

Field	Value
Value	1.0
Uncertainty	0.3
Num. used stations	8
Type of magnitude	ML
Reference to an origin	108403851
Agency	INGV
Autore	Sala Sismica INGV-Roma
Time of creation (UTC)	2022-08-11 09:59:24

Picking and Arrival

SCNL	Time	Uncertainty	Polarity	Evaluation_mode	Phase	Azimuth	Distance(km)	Takeoff_angle	Residual	Weight
GU.RSP.HNN.	2022-08-11T09:54:45.42	0.6	undecidable	manual	P	330	98.4237	50	0.26	42
GU.BHB.HHZ.	2022-08-11T09:54:40.75	0.1	undecidable	manual	P	316	70.7736	50	-0.14	91
GU.PZZ.HHE.	2022-08-11T09:54:38.97	0.3	undecidable	manual	P	283	62.8926	50	-0.71	59
GU.PCP.HHZ.	2022-08-11T09:54:38.32	0.1	undecidable	manual	P	71	54.9006	91	0.11	95
GU.STV.HHN.	2022-08-11T09:54:37.53	0.3	undecidable	manual	P	252	47.2194	91	0.87	57
GU.ENR.HHZ.	2022-08-11T09:54:35.36	0.1	undecidable	manual	P	246	41.0256	91	-0.07	98
IV.QLNO.HHE.	2022-08-11T09:54:34.83	0.3	undecidable	manual	P	100	36.6411	91	0.27	71
GU.MGRO.HHN.	2022-08-11T09:54:34.64	0.3	undecidable	manual	P	190	37.9287	91	-0.18	72
GU.RORO.HHZ.	2022-08-11T09:54:33.54	0.3	undecidable	manual	P	155	32.8449	91	-0.24	72
GU.CANO.HHZ.	2022-08-11T09:54:33.72	0.3	undecidable	manual	P	125	33.5442	91	-0.21	72
GU.GBOS.HHZ.	2022-08-11T09:54:30.57	0.1	undecidable	manual	P	195	15.873	92	0.19	100

Station Magnitude and Amplitude

SCNL	mag	Generic_amplitude	Period	Type	Category	Unit	Time_window_reference
GU.GBOS.HHN.	ML:0.8	0.00006395000000000001	0.16	AML	other	m	2022-08-11T09:54:33.18
GU.GBOS.HHE.	ML:0.8	0.0000696	1.06	AML	other	m	2022-08-11T09:54:33.34
GU.CANO.HHE.	ML:1.4	0.000117	0.94	AML	other	m	2022-08-11T09:54:39.66
GU.CANO.HHN.	ML:1.3	0.0000839	0.84	AML	other	m	2022-08-11T09:54:39.27
GU.ENR.HHN.	ML:0.9	0.00002425	1.56	AML	other	m	2022-08-11T09:54:41.88
GU.ENR.HHE.	ML:0.8	0.00002105	1.58	AML	other	m	2022-08-11T09:54:42.95
GU.BHB.HHE.	ML:1.1	0.00001915	0.34	AML	other	m	2022-08-11T09:54:51.01
GU.BHB.HHN.	ML:1.2	0.000023	0.58	AML	other	m	2022-08-11T09:54:52.34

TDMT - Time Domain Moment Tensor

Not available TDMT solution for this seismic event.

Fault Plane solutions in the area

Not available maps for this sismic event.

Download

Type	Description	Link
QuakeML - small	Event, Origin, FocalMechanism	Download
QuakeML - full	Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude	Download

Earthquake (quarry blast) with magnitude of ML 1.0 on date 11-08-2022 and time 09:54:27 (UTC) in region 2 km W San Michele Mondovì (CN)

Municipalities within 20 km from the epicenter

Municipalities with at least 50000 inhabitants

Origin

Uncertainty

Quality

ML:1.0

ML:1.0