Earthquake Confine Italia-Francia (FRANCIA), Magnitude ML 1.9, 2 September 2022 time 06:26:47 (Timezone UTC)

A magnitude ML 1.9 earthquake occured in region: Confine Italia Francia (FRANCIA), on

02-09-2022 06:26:47 (UTC)
02-09-2022 08:26:47 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.0200, 7.4830 at 7 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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
Olivetta San Michele	IM	16	211	211
Rocchetta Nervina	IM	17	298	509
Airole	IM	17	407	916
Pigna	IM	17	859	1775
Castel Vittorio	IM	18	287	2062
Isolabona	IM	20	679	2741

Municipalities with at least 50000 inhabitants

An earthquake occurred to

33 Km NW of Sanremo (54807 inhabitants)

42 Km S of Cuneo (56081 inhabitants)

86 Km W of Savona (61345 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 1.9	2022-09-02 06:26:47	44.0197	7.4827	7	2024-03-01 15:27:58	Bollettino Sismico Italiano INGV	111437931
Reviewed Rev100	ML 2.0	2022-09-02 06:26:48	44.0232	7.4872	6	2022-09-02 06:34:19	Sala Sismica INGV-Roma	109238121

Preferred location and magnitude until now.

Origin information

Origin

Field	Value
Time (UTC)	2022-09-02 06:26:47 ± 0.1
Latitude	44.0197 ± 0.0045
Longitude	7.4827 ± 0.0075
Depth (km)	7 ± 1 (from location)
Evaluation mode of Origin	manual
Evaluation status of Origin	reviewed
Version	1000 -> BULLETIN-INGV
Event type	earthquake
Origin ID	111437931

Uncertainty

Field	Value
Preferred uncertainty description	uncertainty ellipse
Semi-major axis of confidence ellipse (meter)	551
Semi-minor axis of confidence ellipse (meter)	413
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi)	226
Circular confidence region, given by single value of horizontal uncertainty (meter)	550.0
Confidence level of the uncertainty (%)	68

Quality

Field	Value
Largest azimuthal gap in station distribution as seen from epicenter (degree)	165
Number of associated phases, regardless of their use for origin computation	22
Number of defining phases	21
RMS of the travel time residuals of the arrivals used for the origin computation (sec)	0.27
Epicentral distance of station closest to the epicenter (degree)	0.06115
Epicentral distance of station farthest from the epicenter (degree)	1.45330
Number of stations at which the event was observed	13
Number of stations from which data was used for origin computation	12

Magnitudes information

ML:1.9

Field	Value
Value	1.9
Uncertainty	0.2
Num. used stations	20
Type of magnitude	ML
Reference to an origin	111437931
Agency	INGV
Autore	Bollettino Sismico Italiano INGV
Time of creation (UTC)	2022-11-03 09:02:30

ML:2.0

Field	Value
Value	2.0
Uncertainty	0.2
Num. used stations	30
Type of magnitude	ML
Reference to an origin	109238121
Agency	INGV
Autore	Sala Sismica INGV-Roma
Time of creation (UTC)	2022-09-02 06:34:19

Picking and Arrival

SCNL	Time	Uncertainty	Polarity	Evaluation_mode	Phase	Azimuth	Distance(km)	Takeoff_angle	Residual	Weight
RD.ORIF.BHE.	2022-09-02T06:27:15.72	3.0	undecidable	manual	P		161.3163		0.95	0
GU.PZZ.HHZ.	2022-09-02T06:27:07.05	0.6	undecidable	manual	S	332	61.3941	50	-0.68	40
GU.RORO.HHE.	2022-09-02T06:27:04.13	0.6	undecidable	manual	S	77	47.7189	50	0.05	48
GU.BHB.HHZ.	2022-09-02T06:27:03.74	0.3	undecidable	manual	P	349	92.1411	50	-0.37	62
IV.QLNO.HHZ.	2022-09-02T06:27:02.13	0.3	undecidable	manual	P	64	76.5678	50	0.43	63
GU.CANO.HHZ.	2022-09-02T06:27:00.04	0.6	undecidable	manual	P	71	63.5919	50	0.33	44
GU.GBOS.HHZ.	2022-09-02T06:27:00.64	0.3	undecidable	manual	S	49	37.629	100	-0.55	66
GU.PZZ.HHZ.	2022-09-02T06:26:59.59	0.1	negative	manual	P	332	61.3941	50	0.23	90
GU.IMI.HHZ.	2022-09-02T06:26:59.94	0.6	undecidable	manual	S	110	34.9428	101	-0.33	46
GU.RORO.HHE.	2022-09-02T06:26:57.27	0.1	undecidable	manual	P	77	47.7189	50	0.02	97
GU.MGRO.HHZ.	2022-09-02T06:26:57.40	0.6	undecidable	manual	S	84	26.0517	104	0.13	49
GU.STV.HHZ.	2022-09-02T06:26:57.48	0.3	undecidable	manual	S	334	27.9498	104	-0.41	69
GU.BURY.HHZ.	2022-09-02T06:26:57.29	0.3	undecidable	manual	S	167	26.9508	104	-0.28	71
GU.ENR.HHZ.	2022-09-02T06:26:56.48	0.3	undecidable	manual	S	348	23.8539	106	-0.03	76
GU.GBOS.HHZ.	2022-09-02T06:26:55.62	0.1	positive	manual	P	49	37.629	100	0.04	98
GU.IMI.HHZ.	2022-09-02T06:26:54.79	0.3	undecidable	manual	P	110	34.9428	101	-0.26	71
GU.STV.HHZ.	2022-09-02T06:26:53.90	0.1	negative	manual	P	334	27.9498	104	0.22	96
GU.BURY.HHZ.	2022-09-02T06:26:53.40	0.1	undecidable	manual	P	167	26.9508	104	-0.09	99
GU.MGRO.HHZ.	2022-09-02T06:26:53.58	0.3	undecidable	manual	P	84	26.0517	104	0.26	72
GU.ENR.HHZ.	2022-09-02T06:26:53.32	0.1	positive	manual	P	348	23.8539	106	0.44	92
FR.SAOF.HHZ.00	2022-09-02T06:26:51.26	0.3	undecidable	manual	S	124	6.7932	135	0.04	78
FR.SAOF.HHZ.00	2022-09-02T06:26:50.04	0.1	negative	manual	P	124	6.7932	135	0.21	100

Station Magnitude and Amplitude

SCNL	mag	Generic_amplitude	Period	Type	Category	Unit	Time_window_reference
GU.ENR.HHN.	ML:2.1	0.0008765315	0.3008	AML	other	m	2022-09-02T06:26:56.75
GU.ENR.HHE.	ML:2.0	0.0006734999999999999	0.24	AML	other	m	2022-09-02T06:26:56.74
GU.BURY.HHN.	ML:2.0	0.0005067879	0.48	AML	other	m	2022-09-02T06:26:57.51
GU.BURY.HNE.	ML:2.0	0.0006133602	0.4704	AML	other	m	2022-09-02T06:26:57.51
GU.STV.HHE.	ML:2.3	0.00123	0.2	AML	other	m	2022-09-02T06:26:57.67
GU.STV.HHN.	ML:2.2	0.0008209999999999999	0.24	AML	other	m	2022-09-02T06:26:57.76
GU.BURY.HNN.	ML:1.8	0.00036357045	0.32	AML	other	m	2022-09-02T06:26:58.39
GU.GBOS.HHE.	ML:1.5	0.00011628110999999999	0.16	AML	other	m	2022-09-02T06:27:01.05
GU.GBOS.HHN.	ML:1.6	0.00014150000000000002	0.3	AML	other	m	2022-09-02T06:27:01.43
GU.BURY.HHE.	ML:2.0	0.0005025	0.78	AML	other	m	2022-09-02T06:27:02.84
GU.PZZ.HHN.	ML:2.3	0.0004062104	0.24	AML	other	m	2022-09-02T06:27:08.63
GU.PZZ.HHE.	ML:2.3	0.00036636095000000004	0.16	AML	other	m	2022-09-02T06:27:09.33
GU.BHB.HHN.	ML:1.8	0.00006389112499999999	0.16	AML	other	m	2022-09-02T06:27:17.66
IV.QLNO.HHE.	ML:1.7	0.00007825	0.24	AML	other	m	2022-09-02T06:27:17.57
GU.CANO.HHN.	ML:1.9	0.0001547119	0.3008	AML	other	m	2022-09-02T06:27:18.15
GU.BHB.HHE.	ML:1.8	0.000072450975	0.1792	AML	other	m	2022-09-02T06:27:17.18
GU.CANO.HHE.	ML:2.0	0.0002165	1.58	AML	other	m	2022-09-02T06:27:18.13
IV.QLNO.HHN.	ML:1.8	0.00010040499499999999	0.5216	AML	other	m	2022-09-02T06:27:16.20
RD.ORIF.BHE.	ML:1.9	0.0000329	0.76	AML	other	m	2022-09-02T06:27:42.52
RD.ORIF.BHN.	ML:1.8	0.000032149999999999995	0.44	AML	other	m	2022-09-02T06:27:45.74
FR.SAOF.HHE.00	ML:0.0	0.0020576749999999997	0.2784	AML	other	m	2022-09-02T06:26:52.44
FR.SAOF.HHN.00	ML:0.0	0.0021415825	0.32	AML	other	m	2022-09-02T06:26:51.66

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
Waveforms	Seismic signals in miniseed + resp format	Download

Earthquake with magnitude of ML 1.9 on date 02-09-2022 and time 06:26:47 (UTC) in region Confine Italia Francia (FRANCIA)

Municipalities within 20 km from the epicenter

Municipalities with at least 50000 inhabitants

Origin

Uncertainty

Quality

ML:1.9

ML:2.0