Earthquake 4 km W Norcia (PG), Magnitude ML 0.8, 27 August 2024 time 13:45:47 (Timezone UTC)

A magnitude ML 0.8 earthquake occured in region: 4 km W Norcia (PG), on

27-08-2024 13:45:47 (UTC)
27-08-2024 15:45:47 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7860, 13.0490 at 10 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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	4	4957	4957
Cascia	PG	8	3217	8174
Preci	PG	10	724	8898
Cerreto di Spoleto	PG	11	1075	9973
Poggiodomo	PG	12	117	10090
Castelsantangelo sul Nera	MC	15	281	10371
Sellano	PG	15	1079	11450
Vallo di Nera	PG	15	364	11814
Visso	MC	17	1107	12921
Monteleone di Spoleto	PG	17	599	13520
Sant'Anatolia di Narco	PG	18	564	14084
Ussita	MC	19	444	14528
Accumoli	RI	19	667	15195
Scheggino	PG	20	461	15656

Municipalities with at least 50000 inhabitants

An earthquake occurred to

34 Km SE of Foligno (57155 inhabitants)

41 Km NE of Terni (111501 inhabitants)

55 Km W of Teramo (54892 inhabitants)

56 Km NW of L'Aquila (69753 inhabitants)

65 Km SE of Perugia (166134 inhabitants)

87 Km E of Viterbo (67173 inhabitants)

91 Km N of Guidonia Montecelio (88673 inhabitants)

94 Km N of Tivoli (56533 inhabitants)

95 Km W of Montesilvano (53738 inhabitants)

100 Km SW of Ancona (100861 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
Reviewed Rev100	ML 0.8	2024-08-27 13:45:47	42.7865	13.0493	10	2024-08-27 13:54:03	Sala Sismica INGV-Roma	131018581

Preferred location and magnitude until now.

Origin information

Origin

Field	Value
Time (UTC)	2024-08-27 13:45:47 ± 0.08
Latitude	42.7865 ± 0.0045
Longitude	13.0493 ± 0.0135
Depth (km)	10 ± 1 (from location)
Evaluation mode of Origin	manual
Evaluation status of Origin	reviewed
Version	100 -> SURVEY-INGV
Event type	earthquake
Origin ID	131018581

Uncertainty

Field	Value
Preferred uncertainty description	uncertainty ellipse
Semi-major axis of confidence ellipse (meter)	1106
Semi-minor axis of confidence ellipse (meter)	446
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi)	94
Circular confidence region, given by single value of horizontal uncertainty (meter)	1110.0
Confidence level of the uncertainty (%)	68

Quality

Field	Value
Largest azimuthal gap in station distribution as seen from epicenter (degree)	91
Number of associated phases, regardless of their use for origin computation	35
Number of defining phases	14
RMS of the travel time residuals of the arrivals used for the origin computation (sec)	0.25
Epicentral distance of station closest to the epicenter (degree)	0.00000
Epicentral distance of station farthest from the epicenter (degree)	0.35163
Number of stations at which the event was observed	25
Number of stations from which data was used for origin computation	8

Magnitude information

ML:0.8

Field	Value
Value	0.8
Uncertainty	0.3
Num. used stations	10
Type of magnitude	ML
Reference to an origin	131018581
Agency	INGV
Autore	Sala Sismica INGV-Roma
Time of creation (UTC)	2024-08-27 13:54:03

Picking and Arrival

SCNL	Time	Uncertainty	Polarity	Evaluation_mode	Phase	Azimuth	Distance(km)	Takeoff_angle	Residual	Weight
IV.SPS2.HHZ.	2024-08-27T13:47:44.04	3.0	undecidable	manual	Sn				-5.11	0
IV.CRAC.EHZ.	2024-08-27T13:47:39.32	3.0	undecidable	manual	Sg				9.27	0
IV.TDS.HHZ.	2024-08-27T13:47:33.01	3.0	undecidable	manual	Sn				-8.9	0
OX.MARN.HHZ.	2024-08-27T13:47:23.04	3.0	undecidable	manual	Sg				3.84	0
IV.MAGA.HHZ.	2024-08-27T13:47:21.36	3.0	undecidable	manual	Sn				-5.38	0
IV.SGO.HNZ.	2024-08-27T13:47:17.39	3.0	undecidable	manual	Sg				4.69	0
IV.CMPR.HHZ.	2024-08-27T13:47:15.45	3.0	undecidable	manual	Sg				-1.97	0
IV.VULT.HHZ.	2024-08-27T13:47:11.99	3.0	undecidable	manual	Sg				2.62	0
IV.CDRU.HHZ.	2024-08-27T13:47:10.80	3.0	undecidable	manual	Sg				-3.23	0
IV.PETRA.HHZ.	2024-08-27T13:47:07.84	3.0	undecidable	manual	Pn				1.48	0
IV.BDI.HHZ.	2024-08-27T13:47:00.78	3.0	undecidable	manual	Sg				5.36	0
IV.SPS2.HHZ.	2024-08-27T13:46:56.23	3.0	positive	manual	Pn				-0.57	0
OX.MARN.HHZ.	2024-08-27T13:46:49.85	3.0	undecidable	manual	Pg				9.88	0
IV.ZEN8.EHZ.	2024-08-27T13:46:47.48	3.0	undecidable	manual	Pg				5.4	0
IV.MAGA.HHZ.	2024-08-27T13:46:45.13	3.0	undecidable	manual	Pn				0.92	0
IV.RNI2.HHZ.	2024-08-27T13:46:27.73	3.0	undecidable	manual	S				-9.85	0
IV.ARVD.HHZ.	2024-08-27T13:46:09.19	3.0	undecidable	manual	S				-7.71	0
IV.RCAV.EHZ.	2024-08-27T13:46:04.75	3.0	negative	manual	P				-4.62	0
IV.SNTG.HHZ.	2024-08-27T13:46:00.50	3.0	undecidable	manual	P				0.52	0
IV.MML1.EHZ.	2024-08-27T13:45:59.38	0.6	undecidable	manual	S	350	36.8298	50	-0.6	42
IV.RM33.EHZ.	2024-08-27T13:45:59.01	0.3	undecidable	manual	S	156	33.6441	50	-0.1	71
IV.ASSB.HHZ.	2024-08-27T13:45:58.66	3.0	undecidable	manual	S					0
IV.FDMO.HHZ.	2024-08-27T13:45:57.57	0.3	undecidable	manual	S	6	27.9498	50	-0.02	73
IV.ASSB.HHZ.	2024-08-27T13:45:56.54	3.0	positive	manual	P				-0.5	0
IV.LNSS.HHZ.	2024-08-27T13:45:55.51	0.3	undecidable	manual	S	182	20.3685	117	0.04	74
IV.MOMA.HHZ.	2024-08-27T13:45:54.64	0.1	undecidable	manual	P	273	39.0276	50	-0.42	88
IV.MML1.EHZ.	2024-08-27T13:45:54.98	0.1	undecidable	manual	P	350	36.8298	50	0.26	92
IV.RM33.EHZ.	2024-08-27T13:45:54.11	1.0	undecidable	manual	P	156	33.6441	50	-0.11	24
IV.CESI.HNE.	2024-08-27T13:45:53.49	0.1	undecidable	manual	P	334	26.9508	50	0.29	93
IV.FDMO.HHZ.	2024-08-27T13:45:53.47	0.1	undecidable	manual	P	6	27.9498	50	0.13	96
IV.LNSS.HHZ.	2024-08-27T13:45:52.28	0.1	undecidable	manual	P	182	20.3685	117	0.16	96
ZO.PDN11.EHN.	2024-08-27T13:45:51.34	0.3	undecidable	manual	S	93	5.7942	151	-0.32	72
IV.NRCA.HHZ.	2024-08-27T13:45:51.75	0.3	undecidable	manual	S	45	7.3815	144	-0.21	73
IV.NRCA.HHZ.	2024-08-27T13:45:50.28	0.1	undecidable	manual	P	45	7.3815	144	0.19	98
ZO.PDN11.EHN.	2024-08-27T13:45:50.02	0.1	undecidable	manual	P	93	5.7942	151	0.1	100

Station Magnitude and Amplitude

SCNL	mag	Generic_amplitude	Period	Type	Category	Unit	Time_window_reference
IV.NRCA.HHN.	ML:1.5	0.000544	0.1	AML	other	m	2024-08-27T13:45:51.80
IV.NRCA.HHE.	ML:1.5	0.00043000000000000004	0.16	AML	other	m	2024-08-27T13:45:51.93
IV.LNSS.HHE.	ML:0.8	0.000047254085000000004	0.12	AML	other	m	2024-08-27T13:45:56.15
IV.LNSS.HHN.	ML:0.8	0.000049495255000000004	0.12	AML	other	m	2024-08-27T13:45:56.43
IV.FDMO.HHE.	ML:0.7	0.000024536405	0.2	AML	other	m	2024-08-27T13:45:57.63
IV.FDMO.HHN.	ML:0.6	0.000017549106250000003	0.24	AML	other	m	2024-08-27T13:45:57.72
IV.RM33.EHE.	ML:0.6	0.000013665696000000001	0.12	AML	other	m	2024-08-27T13:45:59.54
IV.RM33.EHN.	ML:0.6	0.000015935854999999998	0.24	AML	other	m	2024-08-27T13:46:00.50
IV.ASSB.HHE.	ML:1.0	0.00002857247	0.08	AML	other	m	2024-08-27T13:45:59.00
IV.ASSB.HHN.	ML:1.0	0.000033214534999999994	0.08	AML	other	m	2024-08-27T13:45:58.88

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 0.8 on date 27-08-2024 and time 13:45:47 (UTC) in region 4 km W Norcia (PG)

Municipalities within 20 km from the epicenter

Municipalities with at least 50000 inhabitants

Origin

Uncertainty

Quality

ML:0.8