Earthquake 8 km W Gubbio (PG), Magnitude ML 1.5, 16 April 2021 time 14:34:09 (Timezone Italy)

A magnitude ML 1.5 earthquake occured in region: 8 km W Gubbio (PG), on

16-04-2021 12:34:09 (UTC)
16-04-2021 14:34:09 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.3830, 12.4920 at 8 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
Gubbio	PG	8	32216	32216
Pietralunga	PG	8	2111	34327
Montone	PG	13	1680	36007
Scheggia e Pascelupo	PG	15	1393	37400
Cantiano	PU	15	2245	39645
Umbertide	PG	16	16681	56326
Costacciaro	PG	18	1216	57542

Municipalities with at least 50000 inhabitants

An earthquake occurred to

32 Km N of Perugia (166134 inhabitants)

50 Km E of Arezzo (99543 inhabitants)

50 Km NW of Foligno (57155 inhabitants)

67 Km SW of Fano (60888 inhabitants)

68 Km SW of Pesaro (94582 inhabitants)

76 Km S of Rimini (147750 inhabitants)

86 Km S of Cesena (96758 inhabitants)

87 Km W of Ancona (100861 inhabitants)

92 Km N of Terni (111501 inhabitants)

94 Km E of Siena (53903 inhabitants)

100 Km SE of Forlì (117913 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 1.5	2021-04-16 12:34:09	43.3828	12.4918	8	2021-07-12 16:55:08	Bollettino Sismico Italiano INGV	89516061
Reviewed Rev100	ML 1.5	2021-04-16 12:34:10	43.3852	12.4888	8	2021-04-16 12:45:12	Sala Sismica INGV-Roma	89145081

Preferred location and magnitude until now.

Origin information

Origin

Field	Value
Time (UTC)	2021-04-16 12:34:09 ± 0.04
Latitude	43.3828 ± 0.0027
Longitude	12.4918 ± 0.0025
Depth (km)	8 ± 0 (from location)
Evaluation mode of Origin	manual
Evaluation status of Origin	reviewed
Version	1000 -> BULLETIN-INGV
Event type	earthquake
Origin ID	89516061

Uncertainty

Field	Value
Preferred uncertainty description	uncertainty ellipse
Semi-major axis of confidence ellipse (meter)	241
Semi-minor axis of confidence ellipse (meter)	111
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi)	184
Circular confidence region, given by single value of horizontal uncertainty (meter)	240.0
Confidence level of the uncertainty (%)	68

Quality

Field	Value
Largest azimuthal gap in station distribution as seen from epicenter (degree)	53
Number of associated phases, regardless of their use for origin computation	48
Number of defining phases	46
RMS of the travel time residuals of the arrivals used for the origin computation (sec)	0.22
Epicentral distance of station closest to the epicenter (degree)	0.00000
Epicentral distance of station farthest from the epicenter (degree)	0.75003
Number of stations at which the event was observed	29
Number of stations from which data was used for origin computation	28

Magnitudes information

ML:1.5

Field	Value
Value	1.5
Uncertainty	0.3
Num. used stations	44
Type of magnitude	ML
Reference to an origin	89516061
Agency	INGV
Autore	Bollettino Sismico Italiano INGV
Time of creation (UTC)	2021-04-27 06:45:32

ML:1.5

Field	Value
Value	1.5
Uncertainty	0.3
Num. used stations	44
Type of magnitude	ML
Reference to an origin	89145081
Agency	INGV
Autore	Sala Sismica INGV-Roma
Time of creation (UTC)	2021-04-16 12:45:12

Picking and Arrival

SCNL	Time	Uncertainty	Polarity	Evaluation_mode	Phase	Azimuth	Distance(km)	Takeoff_angle	Residual	Weight
IV.CAFI.HHZ.	2021-04-16T12:34:24.33	0.3	undecidable	manual	S	262	42.8238	50	-0.02	71
IV.GAVE.EHZ.	2021-04-16T12:34:24.58	0.6	undecidable	manual	P	157	83.25	50	0.14	43
IV.MPAG.EHZ.	2021-04-16T12:34:22.00	0.6	undecidable	manual	S	38	34.8429	50	-0.21	46
IV.PE3.EHZ.	2021-04-16T12:34:22.76	3.0	undecidable	manual	S				0.5	0
IV.PARC.HHZ.	2021-04-16T12:34:22.96	0.6	undecidable	manual	S	325	35.8419	50	0.48	44
IV.CSP1.EHZ.	2021-04-16T12:34:21.91	1.0	positive	manual	P	119	66.0894	50	0.13	22
IV.FDMO.HHZ.	2021-04-16T12:34:20.85	0.3	undecidable	manual	P	128	61.5939	50	-0.25	66
IV.CESI.HHZ.	2021-04-16T12:34:19.69	0.6	undecidable	manual	P	141	53.6019	50	-0.17	45
IV.BADI.EHZ.	2021-04-16T12:34:19.13	0.3	undecidable	manual	S	305	24.3534	108	0.4	68
IV.NARO.HHZ.	2021-04-16T12:34:19.10	0.3	undecidable	manual	S	16	26.2515	107	-0.25	70
IV.FRON.EHZ.	2021-04-16T12:34:18.66	0.6	undecidable	manual	S	51	24.0537	109	0.04	49
IV.FOSV.EHZ.	2021-04-16T12:34:18.92	0.3	undecidable	manual	S	114	23.8539	109	0.38	68
IV.SSFR.HHZ.	2021-04-16T12:34:18.68	0.3	undecidable	manual	S	76	24.1536	109	0.03	74
IV.CAFI.HHZ.	2021-04-16T12:34:18.42	0.6	undecidable	manual	P	262	42.8238	50	0.22	46
IV.PE3.EHZ.	2021-04-16T12:34:17.73	3.0	undecidable	manual	P				0.64	0
IV.ATMI.HHZ.	2021-04-16T12:34:17.06	0.3	undecidable	manual	S	253	18.87	113	0.13	73
IV.PARC.HHZ.	2021-04-16T12:34:17.03	0.1	undecidable	manual	P	325	35.8419	50	-0.1	95
IV.APEC.HHZ.	2021-04-16T12:34:17.59	0.1	undecidable	manual	S	343	20.3685	112	0.19	96
IV.ASSB.HHZ.	2021-04-16T12:34:17.46	0.1	undecidable	manual	P	160	40.1265	50	-0.32	90
IV.PIEI.HHZ.	2021-04-16T12:34:16.78	0.3	undecidable	manual	S	12	17.2716	115	0.34	70
IV.MPAG.EHZ.	2021-04-16T12:34:16.59	0.1	undecidable	manual	P	38	34.8429	50	-0.38	90
IV.ATMC.EHE.	2021-04-16T12:34:15.11	0.3	undecidable	manual	P	287	25.1526	108	0.01	74
IV.NARO.HHZ.	2021-04-16T12:34:15.02	0.1	undecidable	manual	P	16	26.2515	107	-0.3	92
IV.FOSV.EHZ.	2021-04-16T12:34:15.07	0.1	undecidable	manual	P	114	23.8539	109	0.22	94
IV.ATCC.EHZ.	2021-04-16T12:34:15.29	0.1	undecidable	manual	P	151	24.9528	108	0.22	94
IV.BADI.EHZ.	2021-04-16T12:34:14.91	0.1	undecidable	manual	P	305	24.3534	108	-0.05	98
IV.ATPC.HHE.	2021-04-16T12:34:14.78	0.3	undecidable	manual	S	346	11.1777	126	0.17	73
IV.APEC.HHZ.	2021-04-16T12:34:14.28	0.1	undecidable	manual	P	343	20.3685	112	0.09	98
IV.ATBU.EHZ.	2021-04-16T12:34:14.97	0.1	undecidable	manual	S	24	11.2776	126	0.34	94
IV.ATPI.EHZ.	2021-04-16T12:34:14.17	0.1	undecidable	manual	S	316	10.3785	128	-0.23	96
IV.FRON.EHZ.	2021-04-16T12:34:14.73	0.1	undecidable	manual	P	51	24.0537	109	-0.17	95
IV.ATVA.EHE.	2021-04-16T12:34:14.50	0.1	undecidable	manual	P	235	20.2686	112	0.31	93
IV.SSFR.HHZ.	2021-04-16T12:34:14.75	0.1	undecidable	manual	P	76	24.1536	109	-0.16	95
IV.ATLO.EHE.	2021-04-16T12:34:14.43	0.1	undecidable	manual	S	222	10.1787	129	0.11	99
IV.ATMI.HHZ.	2021-04-16T12:34:13.93	0.1	undecidable	manual	P	253	18.87	113	0.01	99
IV.MURB.HHZ.	2021-04-16T12:34:13.25	0.1	negative	manual	P	169	13.5753	121	0.27	95
IV.ATFO.HHZ.	2021-04-16T12:34:13.14	0.6	undecidable	manual	S	106	6.6933	141	-0.32	48
IV.ATSC.EHE.	2021-04-16T12:34:13.57	0.1	undecidable	manual	P	74	16.3725	116	0.11	98
IV.TB03.DHZ.01	2021-04-16T12:34:13.18	0.3	undecidable	manual	S	287	6.8931	140	-0.33	71
IV.PIEI.HHZ.	2021-04-16T12:34:13.75	0.1	undecidable	manual	P	12	17.2716	115	0.11	98
IV.ATLO.EHE.	2021-04-16T12:34:12.54	0.1	undecidable	manual	P	222	10.1787	129	0.12	98
IV.ATPC.HHE.	2021-04-16T12:34:12.65	0.1	undecidable	manual	P	346	11.1777	126	0.06	100
IV.ATBU.EHZ.	2021-04-16T12:34:12.72	0.1	positive	manual	P	24	11.2776	126	0.13	98
IV.TB01.DHZ.01	2021-04-16T12:34:12.44	0.1	undecidable	manual	S	268	4.4955	151	-0.6	88
IV.ATPI.EHZ.	2021-04-16T12:34:12.41	0.1	undecidable	manual	P	316	10.3785	128	-0.05	100
IV.TB01.DHZ.01	2021-04-16T12:34:11.46	0.1	undecidable	manual	P	268	4.4955	151	-0.21	98
IV.ATFO.HHZ.	2021-04-16T12:34:11.74	0.1	positive	manual	P	106	6.6933	141	-0.18	98
IV.TB03.DHZ.01	2021-04-16T12:34:11.79	0.1	positive	manual	P	287	6.8931	140	-0.15	98

Station Magnitude and Amplitude

SCNL	mag	Generic_amplitude	Period	Type	Category	Unit	Time_window_reference
IV.ATFO.HHN.	ML:1.7	0.00103368795	0.1792	AML	other	m	2021-04-16T12:34:13.48
IV.ATFO.HHE.	ML:2.0	0.001605	0.22	AML	other	m	2021-04-16T12:34:13.64
IV.ATPI.EHN.	ML:1.3	0.00029240204999999995	0.1856	AML	other	m	2021-04-16T12:34:14.49
IV.ATPI.HNN.	ML:1.3	0.0002969307	0.1408	AML	other	m	2021-04-16T12:34:15.43
IV.MURB.HNN.	ML:1.8	0.0007766783500000001	1.7952	AML	other	m	2021-04-16T12:34:17.02
IV.ATPI.HNE.	ML:1.5	0.00043618735	1.7184	AML	other	m	2021-04-16T12:34:17.91
IV.ATPI.EHE.	ML:1.5	0.00040277134999999997	1.7184	AML	other	m	2021-04-16T12:34:17.06
IV.PIEI.HHN.	ML:1.7	0.00041939559999999997	0.2048	AML	other	m	2021-04-16T12:34:17.26
IV.PIEI.HHE.	ML:2.0	0.0008234999999999999	0.22	AML	other	m	2021-04-16T12:34:17.48
IV.MURB.HHN.	ML:1.9	0.00087	0.26	AML	other	m	2021-04-16T12:34:17.55
IV.APEC.HHE.	ML:1.6	0.000296	0.14	AML	other	m	2021-04-16T12:34:18.22
IV.MURB.HHE.	ML:2.0	0.00099946595	0.3392	AML	other	m	2021-04-16T12:34:18.74
IV.MURB.HNE.	ML:1.9	0.0008965	0.32	AML	other	m	2021-04-16T12:34:18.75
IV.FRON.EHE.	ML:1.3	0.000118766975	0.1216	AML	other	m	2021-04-16T12:34:18.78
IV.SSFR.HHN.	ML:2.0	0.0006374999999999999	0.72	AML	other	m	2021-04-16T12:34:19.08
IV.SSFR.HNN.	ML:2.0	0.0007095000000000001	1.78	AML	other	m	2021-04-16T12:34:19.09
IV.FRON.EHN.	ML:1.6	0.00023725275	0.16	AML	other	m	2021-04-16T12:34:19.11
IV.NARO.HHE.	ML:1.4	0.0001401412	0.16	AML	other	m	2021-04-16T12:34:19.25
IV.BADI.EHE.	ML:1.8	0.000371	0.18	AML	other	m	2021-04-16T12:34:19.49
IV.BADI.EHN.	ML:1.8	0.00042434585000000004	0.1344	AML	other	m	2021-04-16T12:34:19.63
IV.SSFR.HNE.	ML:2.0	0.0006078217500000001	0.192	AML	other	m	2021-04-16T12:34:19.76
IV.NARO.HHN.	ML:1.2	0.000096447855	0.0768	AML	other	m	2021-04-16T12:34:19.84
IV.SSFR.HHE.	ML:1.9	0.0005510154	1.8016	AML	other	m	2021-04-16T12:34:19.97
IV.ATCC.EHE.	ML:1.6	0.00021863614999999997	0.1024	AML	other	m	2021-04-16T12:34:20.22
IV.APEC.HHN.	ML:1.5	0.000262542	0.224	AML	other	m	2021-04-16T12:34:20.17
IV.ATCC.EHN.	ML:1.8	0.00035850000000000004	0.22	AML	other	m	2021-04-16T12:34:20.67
IV.FOSV.EHN.	ML:1.3	0.000129	0.3	AML	other	m	2021-04-16T12:34:21.87
IV.MPAG.EHN.	ML:1.2	0.00007045000000000002	0.32	AML	other	m	2021-04-16T12:34:22.31
IV.PARC.HHE.	ML:1.0	0.000039680615	0.1984	AML	other	m	2021-04-16T12:34:23.66
IV.ATMI.HHE.	ML:1.5	0.00025612789999999996	0.4416	AML	other	m	2021-04-16T12:34:24.32
IV.FOSV.EHE.	ML:1.1	0.00008729537000000001	0.3008	AML	other	m	2021-04-16T12:34:24.39
IV.PARC.HHN.	ML:1.1	0.000049574685	0.1984	AML	other	m	2021-04-16T12:34:24.42
IV.ASSB.HHN.	ML:1.4	0.0000927	0.14	AML	other	m	2021-04-16T12:34:24.47
IV.MPAG.EHE.	ML:1.2	0.00006115	0.34	AML	other	m	2021-04-16T12:34:24.70
IV.CAFI.HHE.	ML:1.1	0.00003955	0.16	AML	other	m	2021-04-16T12:34:24.70
IV.CAFI.HHN.	ML:1.0	0.000029528685	0.16	AML	other	m	2021-04-16T12:34:24.78
IV.ATMI.HHN.	ML:1.5	0.0002565	1.4	AML	other	m	2021-04-16T12:34:25.96
IV.ASSB.HHE.	ML:1.3	0.0000746	0.26	AML	other	m	2021-04-16T12:34:25.52
IV.CESI.HHN.	ML:1.2	0.000036417235	0.2816	AML	other	m	2021-04-16T12:34:29.00
IV.CESI.HHE.	ML:1.2	0.000036700000000000004	0.16	AML	other	m	2021-04-16T12:34:29.44
IV.FDMO.HHN.	ML:1.4	0.0000547	0.24	AML	other	m	2021-04-16T12:34:30.64
IV.FDMO.HHE.	ML:1.2	0.00003295	0.18	AML	other	m	2021-04-16T12:34:31.58
IV.CSP1.EHE.	ML:1.7	0.000082609865	0.1792	AML	other	m	2021-04-16T12:34:33.24
IV.CSP1.EHN.	ML:1.7	0.00010088224	0.224	AML	other	m	2021-04-16T12:34:33.59

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 1.5 on date 16-04-2021 and time 14:34:09 (Italy) in region 8 km W Gubbio (PG)

Municipalities within 20 km from the epicenter

Municipalities with at least 50000 inhabitants

Origin

Uncertainty

Quality

ML:1.5

ML:1.5