Earthquake 1 km W Pallare (SV), Magnitude ML 1.1, 17 November 2017 time 11:09:36 (Timezone Italy)

A magnitude ML 1.1 (quarry blast) earthquake occured in region: 1 km W Pallare (SV), on

17-11-2017 10:09:36 (UTC)
17-11-2017 11:09:36 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.3320, 8.2640 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
Pallare	SV	1	923	923
Plodio	SV	3	650	1573
Carcare	SV	4	5587	7160
Cosseria	SV	5	1105	8265
Mallare	SV	5	1146	9411
Millesimo	SV	6	3383	12794
Bormida	SV	6	387	13181
Altare	SV	7	2108	15289
Roccavignale	SV	7	752	16041
Osiglia	SV	8	444	16485
Cengio	SV	8	3563	20048
Cairo Montenotte	SV	8	13269	33317
Murialdo	SV	8	841	34158
Castelnuovo di Ceva	CN	11	110	34268
Montezemolo	CN	11	259	34527
Saliceto	CN	12	1323	35850
Rialto	SV	13	564	36414
Quiliano	SV	13	7232	43646
Orco Feglino	SV	13	890	44536
Dego	SV	14	1985	46521
Vezzi Portio	SV	14	809	47330
Camerana	CN	14	631	47961
Perlo	CN	14	116	48077
Calice Ligure	SV	14	1730	49807
Priero	CN	14	529	50336
Vado Ligure	SV	15	8336	58672
Magliolo	SV	16	974	59646
Massimino	SV	16	113	59759
Calizzano	SV	16	1475	61234
Sale delle Langhe	CN	16	486	61720
Nucetto	CN	16	430	62150
Gottasecca	CN	16	148	62298
Sale San Giovanni	CN	17	183	62481
Giusvalla	SV	17	441	62922
Spotorno	SV	17	3803	66725
Bergeggi	SV	17	1129	67854
Tovo San Giacomo	SV	17	2582	70436
Piana Crixia	SV	18	788	71224
Savona	SV	18	61345	132569
Giustenice	SV	18	977	133546
Bagnasco	CN	18	1035	134581
Pontinvrea	SV	19	847	135428
Noli	SV	19	2736	138164
Bardineto	SV	19	756	138920
Castelletto Uzzone	CN	19	331	139251
Monesiglio	CN	19	645	139896
Paroldo	CN	19	211	140107
Ceva	CN	19	5782	145889
Albissola Marina	SV	19	5487	151376
Finale Ligure	SV	19	11711	163087
Borgio Verezzi	SV	19	2205	165292
Stella	SV	20	3009	168301
Albisola Superiore	SV	20	10163	178464
Prunetto	CN	20	451	178915

Municipalities with at least 50000 inhabitants

An earthquake occurred to

18 Km W of Savona (61345 inhabitants)

54 Km W of Genova (586655 inhabitants)

57 Km E of Cuneo (56081 inhabitants)

63 Km S of Asti (76202 inhabitants)

68 Km NE of Sanremo (54807 inhabitants)

70 Km SW of Alessandria (93943 inhabitants)

87 Km SE of Moncalieri (57294 inhabitants)

95 Km SE of Torino (890529 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 1.1	2017-11-17 10:09:36	44.3323	8.2637	1	2018-09-04 09:09:18	Bollettino Sismico Italiano INGV	57651971
Reviewed Rev100	ML 1.1	2017-11-17 10:09:36	44.2663	8.3952	10	2017-11-17 10:22:14	Sala Sismica INGV-Roma	51927481

Preferred location and magnitude until now.

Origin information

Origin

Field	Value
Time (UTC)	2017-11-17 10:09:36 ± 0.48
Latitude	44.3323 ± 0.0351
Longitude	8.2637 ± 0.0402
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	57651971

Uncertainty

Field	Value
Preferred uncertainty description	uncertainty ellipse
Semi-major axis of confidence ellipse (meter)	4470
Semi-minor axis of confidence ellipse (meter)	2240
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi)	324
Circular confidence region, given by single value of horizontal uncertainty (meter)	4470.0
Confidence level of the uncertainty (%)	68

Quality

Field	Value
Largest azimuthal gap in station distribution as seen from epicenter (degree)	150
Number of associated phases, regardless of their use for origin computation	19
Number of defining phases	5
RMS of the travel time residuals of the arrivals used for the origin computation (sec)	0.72
Epicentral distance of station closest to the epicenter (degree)	0.00000
Epicentral distance of station farthest from the epicenter (degree)	0.31656
Number of stations at which the event was observed	19
Number of stations from which data was used for origin computation	5

Magnitudes information

ML:1.1

Field	Value
Value	1.1
Uncertainty	0.3
Num. used stations	6
Type of magnitude	ML
Reference to an origin	57651971
Agency	INGV
Autore	Bollettino Sismico Italiano INGV
Time of creation (UTC)	2018-06-08 15:10:08

ML:1.1

Field	Value
Value	1.1
Uncertainty	0.3
Num. used stations	8
Type of magnitude	ML
Reference to an origin	51927481
Agency	INGV
Autore	Sala Sismica INGV-Roma
Time of creation (UTC)	2017-11-17 10:22:14

Picking and Arrival

SCNL	Time	Uncertainty	Polarity	Evaluation_mode	Phase	Azimuth	Distance(km)	Takeoff_angle	Residual	Weight
IV.MNTP.HNZ.	2017-11-17T10:11:17.35	3.0	undecidable	manual	Sn				-4.33	0
IV.ERC.EHZ.	2017-11-17T10:11:14.32	3.0	undecidable	manual	Pn				-4.03	0
IV.PE3.EHZ.	2017-11-17T10:11:12.80	3.0	undecidable	manual	Sg				11.52	0
IV.PTRJ.HNZ.	2017-11-17T10:11:04.60	3.0	undecidable	manual	Pg				8.31	0
IV.MRB1.HHZ.	2017-11-17T10:11:03.67	3.0	undecidable	manual	Pn				1.74	0
IV.CDCA.HNZ.	2017-11-17T10:11:00.90	3.0	undecidable	manual	Sg				2.64	0
IV.PAOL.HHZ.	2017-11-17T10:10:53.95	3.0	undecidable	manual	Pn				-5.35	0
IV.RIBO.EHZ.01	2017-11-17T10:10:44.75	3.0	undecidable	manual	Sg				0.21	0
IV.LIK.EHZ.01	2017-11-17T10:10:41.53	3.0	positive	manual	Pn				-5.55	0
GU.TRAV.HHZ.	2017-11-17T10:10:19.70	3.0	undecidable	manual	S				0.32	0
IV.BRSN.HNZ.	2017-11-17T10:10:18.32	3.0	undecidable	manual	Pn				-0.67	0
IV.VARE.HHZ.	2017-11-17T10:10:04.50	3.0	undecidable	manual	Pn				-0.19	0
IV.EUCT.HNZ.	2017-11-17T10:09:58.00	3.0	undecidable	manual	P				0.75	0
GU.GORR.HHZ.	2017-11-17T10:09:45.40	3.0	undecidable	manual	P				-5.84	0
GU.GBOS.HHN.	2017-11-17T10:09:44.70	0.3	undecidable	manual	P	254	35.1426	91	0.79	60
GU.PCP.HHZ.	2017-11-17T10:09:42.68	0.3	undecidable	manual	P	44	32.1456	91	-0.64	64
GU.RORO.HHZ.	2017-11-17T10:09:42.25	0.1	undecidable	manual	P	213	29.0487	91	-0.44	92
GU.CANO.HHZ.	2017-11-17T10:09:39.52	0.1	undecidable	manual	P	189	13.9749	92	-0.16	100
IV.QLNO.HHZ.	2017-11-17T10:09:38.74	0.1	undecidable	manual	P	98	6.5934	94	0.54	93

Station Magnitude and Amplitude

SCNL	mag	Generic_amplitude	Period	Type	Category	Unit	Time_window_reference
GU.CANO.HHE.	ML:1.6	0.0005445	0.24	AML	other	m	2017-11-17T10:09:42.45
GU.CANO.HHN.	ML:1.2	0.000231	0.76	AML	other	m	2017-11-17T10:09:42.32
GU.RORO.HHN.	ML:1.1	0.0000706	0.2	AML	other	m	2017-11-17T10:09:46.57
GU.PCP.HHE.	ML:0.9	0.000033799999999999995	0.52	AML	other	m	2017-11-17T10:09:47.00
GU.RORO.HHE.	ML:0.9	0.00004514999999999999	0.7	AML	other	m	2017-11-17T10:09:47.48
GU.PCP.HHN.	ML:0.8	0.0000309	1.32	AML	other	m	2017-11-17T10:09:48.75

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 1.1 on date 17-11-2017 and time 11:09:36 (Italy) in region 1 km W Pallare (SV)

Municipalities within 20 km from the epicenter

Municipalities with at least 50000 inhabitants

Origin

Uncertainty

Quality

ML:1.1

ML:1.1