Earthquake 5 km SE Norcia (PG), Magnitude ML 4.0, 30 October 2016 time 07:43:08 (Timezone Italy)

A magnitude ML 4.0 earthquake occured in region: 5 km SE Norcia (PG), on

30-10-2016 06:43:08 (UTC)
30-10-2016 07:43:08 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.77, 13.14 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	5	4957	4957
Cascia	PG	11	3217	8174
Accumoli	RI	12	667	8841
Arquata del Tronto	AP	13	1178	10019
Castelsantangelo sul Nera	MC	14	281	10300
Preci	PG	15	724	11024
Cittareale	RI	17	482	11506
Poggiodomo	PG	18	117	11623
Montegallo	AP	18	523	12146
Visso	MC	19	1107	13253
Cerreto di Spoleto	PG	19	1075	14328
Amatrice	RI	20	2657	16985
Ussita	MC	20	444	17429
Monteleone di Spoleto	PG	20	599	18028

Municipalities with at least 50000 inhabitants

An earthquake occurred to

41 Km SE of Foligno (57155 inhabitants)

46 Km NE of Terni (111501 inhabitants)

48 Km W of Teramo (54892 inhabitants)

51 Km NW of L'Aquila (69753 inhabitants)

72 Km SE of Perugia (166134 inhabitants)

87 Km W of Montesilvano (53738 inhabitants)

92 Km NE of Guidonia Montecelio (88673 inhabitants)

93 Km E of Viterbo (67173 inhabitants)

94 Km NE of Tivoli (56533 inhabitants)

94 Km W of Pescara (121014 inhabitants)

96 Km W of Chieti (51815 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

These three maps show the results of the analysis using the software ShakeMap designed to provide the level of ground shaking experienced in a region using the data recorded by seismometers and strong motion instruments and seismological information regarding the attenuation of the wavefield with distance and the site characteristics. The Shakemaps are determined for research purposes to provide fast estimates of the level of ground shaking produced by the earthquake. The maps are calculated automatically and adjourned progressively as more data become available. See http://shakemap.rm.ingv.it/ for additional information.

The red star indicates the epicenter. The red triangles show the stations of the INGV Italian National Seismic Network and the blue triangles those of the Nationa Accelerometric Network of the Dipartimento della Protezione Civile.

Intensity Shakemap

This map shows the distribution of the istrumentally derived intensities. To this purpose, it is used a conversion relation between ground acceleration and velocity, and the Mercalli Modificata (MMI - Modified Mercalli Intensity) scale. In general, the Mercalli intensity scale relies on the effects that the ground shaking produces as reported by an observer.

Peak ground acceleration Shakemap

This map shows This map shows the distribution of peak ground acceleration expressed as per cent of the acceleration of gravity (i.e., g = 9.81 m/s²).

Peak velocity Shakemap

This map shows the distribution of peak ground velocities expressed in cm/s.

Felt maps

Preliminary map of the earthquake effects from the web questionnaire

This map shows the distribution of the effects of the earthquake on the territory in terms of the MCS (Mercalli-Cancani-Sieberg) intensity scale. The intensities are determined using the data provided in the questionnaire (http://www.haisentitoilterremoto.it/) that are analysed using robust statistical techniques since they are not verified individually. Specifically, the assignment of MCS intensities greater or equal the VI degree of the MCS scale require opportune in situ verification by professional experts. The purple start shows the epicenter. This map is prepared every so often that the population fill in new questionnaires. The number of questionnaires used to determine the map and the date and time of the last adjournment are shown in the upper right part of the panel.

Locations history

Type	Magnitude	Date and Time (UTC)	Latitude	Longitude	Depth (km)	Published time (UTC)	Author	Location ID
Bulletin Rev1000	ML 4.0	2016-10-30 06:43:08	42.77	13.14	10	2016-11-17 10:27:27	Bollettino Sismico Italiano INGV	31543661

Preferred location and magnitude until now.

Origin information

Origin

Field	Value
Time (UTC)	2016-10-30 06:43:08 ± 0.09
Latitude	42.77 ± 0.01
Longitude	13.14 ± 0.01
Depth (km)	10 ± 1 (from location)
Evaluation mode of Origin	manual
Evaluation status of Origin	reviewed
Version	1000 -> BULLETIN-INGV
Event type	earthquake
Origin ID	31543661

Uncertainty

Field	Value
Preferred uncertainty description	uncertainty ellipse
Semi-major axis of confidence ellipse (meter)	573
Semi-minor axis of confidence ellipse (meter)	513
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi)	115
Circular confidence region, given by single value of horizontal uncertainty (meter)	570
Confidence level of the uncertainty (%)	68

Quality

Field	Value
Largest azimuthal gap in station distribution as seen from epicenter (degree)	58
Number of associated phases, regardless of their use for origin computation	45
Number of defining phases	45
RMS of the travel time residuals of the arrivals used for the origin computation (sec)	0.37
Epicentral distance of station closest to the epicenter (degree)	0.09713
Epicentral distance of station farthest from the epicenter (degree)	0.76622
Number of stations at which the event was observed	24
Number of stations from which data was used for origin computation	24

Magnitude information

ML:4

Field	Value
Value	4
Uncertainty	0.2
Num. used stations	7
Type of magnitude	ML
Reference to an origin	31543661
Agency	INGV
Autore	Bollettino Sismico Italiano INGV
Time of creation (UTC)	2016-11-02 10:39:04

Picking and Arrival

SCNL	Time	Uncertainty	Polarity	Evaluation_mode	Phase	Azimuth	Distance	Takeoff_angle	Residual	Weight
IV.MMUR.HNZ.	2016-10-30T06:43:32.00	0.6	undecidable	manual	S	351	0.6826	50	0.19	43
IV.TRE1.HNZ.	2016-10-30T06:43:29.30	0.6	undecidable	manual	S	13	0.5585	50	1.15	31
IV.EL6.EHZ.	2016-10-30T06:43:28.00	0.6	undecidable	manual	S	357	0.563	50	-0.27	44
IV.ATCC.EHZ.	2016-10-30T06:43:28.10	0.6	undecidable	manual	S	319	0.5549	50	0.07	45
IV.GAG1.HNZ.	2016-10-30T06:43:25.10	0.6	undecidable	manual	S	354	0.4739	50	-0.53	42
IV.MNTP.HNZ.	2016-10-30T06:43:25.80	0.6	undecidable	manual	S	33	0.4425	50	1.1	33
IV.ASSB.HHN.	2016-10-30T06:43:24.40	0.6	undecidable	manual	S	308	0.4461	50	-0.42	44
IV.SSM1.HNZ.	2016-10-30T06:43:24.50	0.6	undecidable	manual	S	3	0.4623	50	-0.8	38
IV.MGAB.HHZ.	2016-10-30T06:43:23.35	0.6	undecidable	manual	P	281	0.7662	50	-0.17	43
IV.MDAR.HNN.	2016-10-30T06:43:23.40	0.6	undecidable	manual	S	0	0.4254	50	-0.8	38
IV.PP3.HNZ.	2016-10-30T06:43:23.20	0.6	undecidable	manual	P	29	0.7006	50	0.79	36
IV.MMUR.HNZ.	2016-10-30T06:43:22.13	0.3	undecidable	manual	P	351	0.6826	50	0.04	67
IV.TRE1.HNZ.	2016-10-30T06:43:20.59	0.3	undecidable	manual	P	13	0.5585	50	0.61	60
IV.T1211.EHN.	2016-10-30T06:43:20.71	0.6	undecidable	manual	S	222	0.313	50	-0.16	48
IV.GUMA.HNN.	2016-10-30T06:43:20.98	0.6	undecidable	manual	S	26	0.3292	50	-0.36	45
IV.T1241.HNN.	2016-10-30T06:43:19.00	0.6	undecidable	manual	S	67	0.2329	110	0.62	44
IV.EL6.EHZ.	2016-10-30T06:43:19.77	0.3	undecidable	manual	P	357	0.563	50	-0.28	66
IV.RM33.EHZ.	2016-10-30T06:43:19.00	0.6	undecidable	manual	S	168	0.2635	50	-0.41	46
IV.ATCC.EHZ.	2016-10-30T06:43:19.79	0.6	undecidable	manual	P	319	0.5549	50	-0.12	46
XO.AM05.EHZ.	2016-10-30T06:43:18.50	0.6	undecidable	manual	S	37	0.2626	50	-0.87	38
IV.GAG1.HNZ.	2016-10-30T06:43:18.43	0.3	undecidable	manual	P	354	0.4739	50	-0.1	70
IV.ASSB.HHN.	2016-10-30T06:43:18.75	0.6	undecidable	manual	P	308	0.4461	50	0.69	39
IV.SSM1.HNZ.	2016-10-30T06:43:18.09	0.3	undecidable	manual	P	3	0.4623	50	-0.24	68
IV.MNTP.HNZ.	2016-10-30T06:43:18.69	0.3	undecidable	manual	P	33	0.4425	50	0.7	59
IV.T1215.EHZ.	2016-10-30T06:43:17.60	0.3	undecidable	manual	S	280	0.2005	113	0.35	70
IV.T1256.HNZ.	2016-10-30T06:43:17.78	0.6	undecidable	manual	S	15	0.2482	109	-1.15	34
IV.OFFI.HHE.	2016-10-30T06:43:17.36	0.3	undecidable	manual	P	67	0.4344	50	-0.5	64
IV.MDAR.HNN.	2016-10-30T06:43:17.42	0.6	undecidable	manual	P	0	0.4254	50	-0.28	45
IV.T1299.HNN.	2016-10-30T06:43:16.06	0.6	undecidable	manual	S	141	0.1691	117	-0.09	48
IV.GUMA.HNN.	2016-10-30T06:43:16.27	0.3	undecidable	manual	P	26	0.3292	50	0.22	69
IV.T1217.HNZ.	2016-10-30T06:43:15.83	0.6	undecidable	manual	S	250	0.1619	118	-0.05	49
IV.T1211.EHN.	2016-10-30T06:43:15.64	0.3	undecidable	manual	P	222	0.313	50	-0.14	72
XO.AM05.EHZ.	2016-10-30T06:43:15.22	0.6	undecidable	manual	P	37	0.2626	50	0.31	46
IV.T1204.EHZ.	2016-10-30T06:43:15.50	0.6	undecidable	manual	S	125	0.1592	119	-0.31	46
IV.T1241.HNN.	2016-10-30T06:43:15.28	0.3	undecidable	manual	P	67	0.2329	110	0.94	57
IV.T1256.HNZ.	2016-10-30T06:43:15.32	0.3	undecidable	manual	P	15	0.2482	109	0.66	62
IV.T1215.EHZ.	2016-10-30T06:43:14.29	0.3	undecidable	manual	P	280	0.2005	113	0.6	65
IV.T1216.EHZ.	2016-10-30T06:43:14.95	0.6	undecidable	manual	S	325	0.152	120	-0.6	42
IV.RM33.EHZ.	2016-10-30T06:43:14.97	0.6	undecidable	manual	P	168	0.2635	50	0.04	48
IV.T1245.HNZ.	2016-10-30T06:43:13.13	0.6	undecidable	manual	S	22	0.0971	132	-0.7	39
IV.T1216.EHZ.	2016-10-30T06:43:12.70	0.1	undecidable	manual	P	325	0.152	120	0	99
IV.T1299.HNN.	2016-10-30T06:43:12.21	0.6	undecidable	manual	P	141	0.1691	117	-0.84	38
IV.T1217.HNZ.	2016-10-30T06:43:12.90	0.6	undecidable	manual	P	250	0.1619	118	0	50
IV.T1204.EHZ.	2016-10-30T06:43:12.86	0.3	undecidable	manual	P	125	0.1592	119	0	74
IV.T1245.HNZ.	2016-10-30T06:43:11.88	0.1	undecidable	manual	P	22	0.0971	132	0.17	100

Station Magnitude and Amplitude

SCNL	mag	Generic_amplitude	Period	Type	Category	Unit	Time_window_reference
XO.AM05.EHE.	ML:4	0.05420387	0.0992	AML	other	m	2016-10-30T06:43:19.16
XO.AM05.HNN.	ML:3.6	0.01960675	0.2784	AML	other	m	2016-10-30T06:43:19.04
IV.ATCC.EHE.	ML:4.1	0.0239320365	0.16	AML	other	m	2016-10-30T06:43:29.86
IV.EL6.EHE.	ML:3.9	0.016438375	0.1408	AML	other	m	2016-10-30T06:43:29.18
IV.EL6.EHN.	ML:3.8	0.01290636	0.5376	AML	other	m	2016-10-30T06:43:30.31
IV.GAG1.HNN.	ML:4.1	0.03085934	0.7712	AML	other	m	2016-10-30T06:43:26.00
IV.GAG1.HNE.	ML:4.2	0.04143354005	0.4384	AML	other	m	2016-10-30T06:43:26.45
IV.MMUR.HNN.	ML:4.2	0.021831837	0	AML	other	m	2016-10-30T06:43:32.95
IV.T1215.EHE.	ML:3.8	0.0427413465	0.56	AML	other	m	2016-10-30T06:43:17.47
IV.T1215.HNN.	ML:3.7	0.033041345	0.4	AML	other	m	2016-10-30T06:43:17.75
IV.TRE1.HNE.	ML:4	0.019322483	0.3904	AML	other	m	2016-10-30T06:43:32.55

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 4.0 on date 30-10-2016 and time 07:43:08 (Italy) in region 5 km SE Norcia (PG)

Municipalities within 20 km from the epicenter

Municipalities with at least 50000 inhabitants

Intensity Shakemap

Peak ground acceleration Shakemap

Peak velocity Shakemap

Preliminary map of the earthquake effects from the web questionnaire

Origin

Uncertainty

Quality

ML:4