Earthquake 3 km E Norcia (PG), Magnitude ML 1.9, 8 September 2019 time 18:31:29 (Timezone Italy)

A magnitude ML 1.9 earthquake occured in region: 3 km E Norcia (PG), on

08-09-2019 16:31:29 (UTC)
08-09-2019 18:31:29 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8020, 13.1340 at 10 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
Norcia	PG	3	4957	4957
Castelsantangelo sul Nera	MC	11	281	5238
Preci	PG	12	724	5962
Cascia	PG	13	3217	9179
Arquata del Tronto	AP	14	1178	10357
Visso	MC	15	1107	11464
Accumoli	RI	15	667	12131
Ussita	MC	16	444	12575
Montegallo	AP	17	523	13098
Cerreto di Spoleto	PG	18	1075	14173
Poggiodomo	PG	19	117	14290
Montemonaco	AP	19	604	14894
Sellano	PG	19	1079	15973

Municipalities with at least 50000 inhabitants

An earthquake occurred to

39 Km E of Foligno (57155 inhabitants)

48 Km NE of Terni (111501 inhabitants)

49 Km W of Teramo (54892 inhabitants)

55 Km NW of L'Aquila (69753 inhabitants)

70 Km E of Perugia (166134 inhabitants)

89 Km W of Montesilvano (53738 inhabitants)

94 Km E of Viterbo (67173 inhabitants)

95 Km NE of Guidonia Montecelio (88673 inhabitants)

96 Km SW of Ancona (100861 inhabitants)

96 Km W of Pescara (121014 inhabitants)

97 Km N of Tivoli (56533 inhabitants)

98 Km NW of Chieti (51815 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	2019-09-08 16:31:29	42.802	13.1338	10	2020-02-28 16:41:54	Bollettino Sismico Italiano INGV	73018441
Reviewed Rev100	ML 1.9	2019-09-08 16:31:29	42.8007	13.1403	10	2019-09-08 16:38:46	Sala Sismica INGV-Roma	72232101

Preferred location and magnitude until now.

Origin information

Origin

Field	Value
Time (UTC)	2019-09-08 16:31:29 ± 0.05
Latitude	42.8020 ± 0.0018
Longitude	13.1338 ± 0.0049
Depth (km)	10 ± 0 (from location)
Evaluation mode of Origin	manual
Evaluation status of Origin	reviewed
Version	1000 -> BULLETIN-INGV
Event type	earthquake
Origin ID	73018441

Uncertainty

Field	Value
Preferred uncertainty description	uncertainty ellipse
Semi-major axis of confidence ellipse (meter)	383
Semi-minor axis of confidence ellipse (meter)	99
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi)	265
Circular confidence region, given by single value of horizontal uncertainty (meter)	380.0
Confidence level of the uncertainty (%)	68

Quality

Field	Value
Largest azimuthal gap in station distribution as seen from epicenter (degree)	82
Number of associated phases, regardless of their use for origin computation	51
Number of defining phases	48
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)	0.00000
Epicentral distance of station farthest from the epicenter (degree)	0.70956
Number of stations at which the event was observed	28
Number of stations from which data was used for origin computation	25

Magnitudes information

ML:1.9

Field	Value
Value	1.9
Uncertainty	0.3
Num. used stations	30
Type of magnitude	ML
Reference to an origin	73018441
Agency	INGV
Autore	Bollettino Sismico Italiano INGV
Time of creation (UTC)	2019-10-03 12:15:32

ML:1.9

Field	Value
Value	1.9
Uncertainty	0.3
Num. used stations	30
Type of magnitude	ML
Reference to an origin	72232101
Agency	INGV
Autore	Sala Sismica INGV-Roma
Time of creation (UTC)	2019-09-08 16:38:46

Picking and Arrival

SCNL	Time	Uncertainty	Polarity	Evaluation_mode	Phase	Azimuth	Distance(km)	Takeoff_angle	Residual	Weight
IV.RIBO.EHZ.01	2019-09-08T16:32:22.40	3.0	undecidable	manual	Sg				4.84	0
IV.PIEI.HHZ.	2019-09-08T16:31:59.89	3.0	undecidable	manual	S				0.11	0
IV.ARVD.HHZ.	2019-09-08T16:31:54.61	0.3	undecidable	manual	S	349	78.7656	50	1.06	48
IV.FIAM.HHZ.	2019-09-08T16:31:48.49	0.3	undecidable	manual	S	181	59.2962	50	0.15	68
IV.GIGS.HHZ.	2019-09-08T16:31:46.13	0.3	undecidable	manual	S	137	52.7028	50	-0.47	64
IV.SNTG.HHZ.	2019-09-08T16:31:46.51	0.3	undecidable	manual	S	343	52.6029	50	-0.06	70
IV.MOMA.HHZ.	2019-09-08T16:31:45.30	0.3	undecidable	manual	S	270	45.9207	50	0.53	64
IV.SAP2.EHE.	2019-09-08T16:31:43.80	0.3	undecidable	manual	S	33	39.1275	50	0.83	57
IV.ARVD.HHZ.	2019-09-08T16:31:43.60	0.3	undecidable	manual	P	349	78.7656	50	0.07	67
IV.MF5.EHZ.	2019-09-08T16:31:42.23	0.3	undecidable	manual	S	52	33.5442	50	0.75	60
IV.CAMP.HHE.	2019-09-08T16:31:42.25	0.3	undecidable	manual	S	143	37.1295	50	-0.17	70
IV.VCEL.EHZ.	2019-09-08T16:31:42.24	3.0	undecidable	manual	P				-0.34	0
IV.PF6.EHN.	2019-09-08T16:31:42.37	0.1	undecidable	manual	S	7	37.5291	50	-0.18	94
IV.MML1.HNE.	2019-09-08T16:31:42.21	0.3	undecidable	manual	S	339	36.9297	50	-0.18	70
IV.RM33.EHZ.	2019-09-08T16:31:41.13	0.3	undecidable	manual	S	169	33.1446	50	-0.25	70
IV.GUMA.HHZ.	2019-09-08T16:31:41.67	0.3	undecidable	manual	S	29	33.2445	50	0.28	69
IV.CESI.HHZ.	2019-09-08T16:31:40.08	0.3	undecidable	manual	S	320	29.2485	50	-0.24	70
IV.FIAM.HHZ.	2019-09-08T16:31:40.30	0.1	undecidable	manual	P	181	59.2962	50	-0.22	89
IV.CSP1.EHZ.	2019-09-08T16:31:40.98	0.1	undecidable	manual	S	10	32.6451	50	-0.26	93
IV.MOMA.HHZ.	2019-09-08T16:31:39.02	0.1	undecidable	manual	P	270	45.9207	50	0.56	84
IV.FDMO.HHZ.	2019-09-08T16:31:39.05	0.1	undecidable	manual	S	352	26.2515	50	-0.49	89
IV.GIGS.HHZ.	2019-09-08T16:31:39.20	0.1	undecidable	manual	P	137	52.7028	50	-0.32	89
IV.SMA1.EHZ.	2019-09-08T16:31:39.09	0.3	undecidable	manual	S	139	25.1526	50	-0.14	72
IV.SNTG.HHZ.	2019-09-08T16:31:39.52	0.1	undecidable	manual	P	343	52.6029	50	0.02	94
IV.GAVE.EHZ.	2019-09-08T16:31:38.60	0.3	undecidable	manual	S	238	23.0547	114	0.03	74
IV.LNSS.HHZ.	2019-09-08T16:31:38.75	0.1	undecidable	manual	S	199	23.3544	113	0.07	98
IV.T1299.HNN.	2019-09-08T16:31:38.64	0.3	undecidable	manual	S	147	22.1556	114	0.33	70
IT.MTCL.HGZ.	2019-09-08T16:31:38.49	0.3	undecidable	manual	S	333	23.9538	113	-0.37	69
IV.SAP2.EHE.	2019-09-08T16:31:37.82	0.3	undecidable	manual	P	33	39.1275	50	0.4	67
IV.ARRO.EHZ.	2019-09-08T16:31:37.33	0.1	undecidable	manual	P	231	38.9277	50	-0.06	96
IV.MMO1.EHZ.	2019-09-08T16:31:37.11	0.3	undecidable	manual	S	55	19.0698	118	-0.22	72
IV.MML1.HNE.	2019-09-08T16:31:37.04	0.3	undecidable	manual	P	339	36.9297	50	-0.05	72
IV.GUMA.HHZ.	2019-09-08T16:31:36.69	0.1	undecidable	manual	P	29	33.2445	50	0.18	94
IV.MF5.EHZ.	2019-09-08T16:31:36.74	0.1	positive	manual	P	52	33.5442	50	0.18	94
IV.CAMP.HHE.	2019-09-08T16:31:36.98	0.3	undecidable	manual	P	143	37.1295	50	-0.13	71
IV.CSP1.EHZ.	2019-09-08T16:31:36.21	0.1	positive	manual	P	10	32.6451	50	-0.21	94
IV.PF6.EHN.	2019-09-08T16:31:36.90	0.1	undecidable	manual	P	7	37.5291	50	-0.28	92
IV.RM33.EHZ.	2019-09-08T16:31:36.28	0.1	undecidable	manual	P	169	33.1446	50	-0.22	94
IV.SMA1.EHZ.	2019-09-08T16:31:35.28	0.1	undecidable	manual	P	139	25.1526	50	0.02	99
IV.CESI.HHZ.	2019-09-08T16:31:35.89	0.1	undecidable	manual	P	320	29.2485	50	0	99
IV.MC2.EHZ.	2019-09-08T16:31:35.54	0.3	undecidable	manual	S	20	12.9759	128	0	76
IV.LNSS.HHZ.	2019-09-08T16:31:35.00	0.1	positive	manual	P	199	23.3544	113	0.05	99
IV.FDMO.HHZ.	2019-09-08T16:31:35.20	0.1	positive	manual	P	352	26.2515	50	-0.24	94
IV.T1299.HNN.	2019-09-08T16:31:35.02	0.1	undecidable	manual	P	147	22.1556	114	0.29	94
IV.MMO1.EHZ.	2019-09-08T16:31:34.04	0.1	positive	manual	P	55	19.0698	118	-0.13	98
IV.FEMA.HNE.	2019-09-08T16:31:34.19	0.1	undecidable	manual	P	339	19.0698	118	0.03	100
IT.MTCL.HGZ.	2019-09-08T16:31:34.88	0.1	undecidable	manual	P	333	23.9538	113	-0.17	96
IV.GAVE.EHZ.	2019-09-08T16:31:34.97	0.1	positive	manual	P	238	23.0547	114	0.09	98
IV.NRCA.HNZ.	2019-09-08T16:31:33.43	0.1	undecidable	manual	S	336	3.8961	159	-0.17	100
IV.MC2.EHZ.	2019-09-08T16:31:33.33	0.1	positive	manual	P	20	12.9759	128	0.19	98
IV.NRCA.HNZ.	2019-09-08T16:31:32.16	0.1	positive	manual	P	336	3.8961	159	0.15	100

Station Magnitude and Amplitude

SCNL	mag	Generic_amplitude	Period	Type	Category	Unit	Time_window_reference
IV.NRCA.HNN.	ML:2.7	0.009810000000000001	0.14	AML	other	m	2019-09-08T16:31:33.53
IV.NRCA.HHN.	ML:2.8	0.010695	0.12	AML	other	m	2019-09-08T16:31:33.54
IV.NRCA.HNE.	ML:2.5	0.005955	1.08	AML	other	m	2019-09-08T16:31:33.60
IV.NRCA.HHE.	ML:2.5	0.00605	1.08	AML	other	m	2019-09-08T16:31:33.60
IV.LNSS.HHE.	ML:2.2	0.0009455	0.3	AML	other	m	2019-09-08T16:31:39.26
IV.LNSS.HHN.	ML:2.2	0.0010235	1.36	AML	other	m	2019-09-08T16:31:39.30
IV.FDMO.HHN.	ML:2.0	0.0005695	0.24	AML	other	m	2019-09-08T16:31:39.77
IV.FDMO.HHE.	ML:1.9	0.00040500000000000003	0.22	AML	other	m	2019-09-08T16:31:40.11
IV.CESI.HHN.	ML:2.2	0.0007715	0.26	AML	other	m	2019-09-08T16:31:40.38
IV.CESI.HHE.	ML:2.0	0.000515	0.7	AML	other	m	2019-09-08T16:31:40.24
IV.CSP1.EHN.	ML:2.0	0.0004125	0.42	AML	other	m	2019-09-08T16:31:41.24
IV.CSP1.EHE.	ML:2.0	0.0004455	0.94	AML	other	m	2019-09-08T16:31:41.59
IV.SMA1.EHN.	ML:1.7	0.00030649999999999997	0.76	AML	other	m	2019-09-08T16:31:42.02
IV.GUMA.HHN.	ML:2.3	0.0008440000000000001	0.26	AML	other	m	2019-09-08T16:31:42.53
IV.MF5.EHE.	ML:1.8	0.0002505	0.5	AML	other	m	2019-09-08T16:31:42.59
IV.SMA1.EHE.	ML:1.8	0.00040649999999999996	0.38	AML	other	m	2019-09-08T16:31:42.50
IV.RM33.EHN.	ML:1.6	0.00016499999999999997	1.58	AML	other	m	2019-09-08T16:31:42.83
IV.MF5.EHN.	ML:1.8	0.000268	1.56	AML	other	m	2019-09-08T16:31:43.05
IV.ARRO.EHE.	ML:1.4	0.00009779999999999999	0.5	AML	other	m	2019-09-08T16:31:43.46
IV.GUMA.HHE.	ML:2.2	0.0007435	0.24	AML	other	m	2019-09-08T16:31:43.67
IV.RM33.EHE.	ML:1.5	0.0001325	0.18	AML	other	m	2019-09-08T16:31:44.50
IV.ARRO.EHN.	ML:1.4	0.0000791	0.18	AML	other	m	2019-09-08T16:31:45.29
IV.MOMA.HHN.	ML:1.5	0.00008865	0.98	AML	other	m	2019-09-08T16:31:45.83
IV.MOMA.HHE.	ML:1.6	0.0001285	0.2	AML	other	m	2019-09-08T16:31:46.39
IV.SNTG.HHE.	ML:1.6	0.0001055	1.4	AML	other	m	2019-09-08T16:31:47.11
IV.SNTG.HHN.	ML:1.6	0.00009375	1.38	AML	other	m	2019-09-08T16:31:48.92
IV.FIAM.HHN.	ML:1.2	0.000035000000000000004	1.04	AML	other	m	2019-09-08T16:31:51.84
IV.VCEL.EHN.	ML:2.0	0.00015450000000000001	0.7	AML	other	m	2019-09-08T16:31:51.38
IV.FIAM.HHE.	ML:1.2	0.00003105	1.32	AML	other	m	2019-09-08T16:31:51.73
IV.VCEL.EHE.	ML:2.0	0.000145	0.98	AML	other	m	2019-09-08T16:31:53.75

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 with magnitude of ML 1.9 on date 08-09-2019 and time 18:31:29 (Italy) in region 3 km E Norcia (PG)

Municipalities within 20 km from the epicenter

Municipalities with at least 50000 inhabitants

Origin

Uncertainty

Quality

ML:1.9

ML:1.9