Earthquake 3 km E Genga (AN), Magnitude ML 0.7, 22 July 2021 time 10:13:53 (Timezone Italy)

A magnitude ML 0.7 (quarry blast) earthquake occured in region: 3 km E Genga (AN), on

22-07-2021 08:13:53 (UTC)
22-07-2021 10:13:53 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.4300, 12.9790 at 0 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

Event type: quarry blast.

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
Genga	AN	4	1797	1797
Serra San Quirico	AN	4	2850	4647
Mergo	AN	7	1037	5684
Arcevia	AN	9	4612	10296
Rosora	AN	10	1985	12281
Sassoferrato	AN	10	7285	19566
Poggio San Vicino	MC	10	246	19812
Castelplanio	AN	11	3540	23352
Cupramontana	AN	11	4756	28108
Fabriano	AN	12	31480	59588
Cerreto d'Esi	AN	12	3817	63405
Poggio San Marcello	AN	12	693	64098
Maiolati Spontini	AN	13	6248	70346
Montecarotto	AN	13	1987	72333
Apiro	MC	13	2280	74613
Serra de' Conti	AN	14	3746	78359
Monte Roberto	AN	14	3061	81420
Castelbellino	AN	15	4947	86367
San Paolo di Jesi	AN	16	933	87300
Staffolo	AN	17	2253	89553
Barbara	AN	17	1368	90921
Serra Sant'Abbondio	PU	18	1027	91948
Pergola	PU	19	6333	98281
Matelica	MC	19	9981	108262
San Lorenzo in Campo	PU	20	3414	111676
Castelleone di Suasa	AN	20	1676	113352
Esanatoglia	MC	20	2034	115386

Municipalities with at least 50000 inhabitants

An earthquake occurred to

46 Km S of Fano (60888 inhabitants)

48 Km W of Ancona (100861 inhabitants)

54 Km S of Pesaro (94582 inhabitants)

57 Km NE of Foligno (57155 inhabitants)

60 Km NE of Perugia (166134 inhabitants)

78 Km SE of Rimini (147750 inhabitants)

89 Km E of Arezzo (99543 inhabitants)

98 Km SE of Cesena (96758 inhabitants)

100 Km N of Terni (111501 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 0.7	2021-07-22 08:13:53	43.4298	12.9792	1	2021-12-29 11:12:51	Bollettino Sismico Italiano INGV	97494011
Reviewed Rev100	ML 0.9	2021-07-22 08:13:52	43.4518	13.0313	8	2021-07-22 08:19:59	Sala Sismica INGV-Roma	93052951

Preferred location and magnitude until now.

Origin information

Origin

Field	Value
Time (UTC)	2021-07-22 08:13:53 ± 0.17
Latitude	43.4298 ± 0.0126
Longitude	12.9792 ± 0.0124
Depth (km)	1 (operator assigned)
Evaluation mode of Origin	manual
Evaluation status of Origin	reviewed
Version	1000 -> BULLETIN-INGV
Event type	quarry blast
Origin ID	97494011

Uncertainty

Field	Value
Preferred uncertainty description	uncertainty ellipse
Semi-major axis of confidence ellipse (meter)	1430
Semi-minor axis of confidence ellipse (meter)	960
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi)	23
Circular confidence region, given by single value of horizontal uncertainty (meter)	1430.0
Confidence level of the uncertainty (%)	68

Quality

Field	Value
Largest azimuthal gap in station distribution as seen from epicenter (degree)	135
Number of associated phases, regardless of their use for origin computation	22
Number of defining phases	7
RMS of the travel time residuals of the arrivals used for the origin computation (sec)	0.35
Epicentral distance of station closest to the epicenter (degree)	0.00000
Epicentral distance of station farthest from the epicenter (degree)	0.33904
Number of stations at which the event was observed	22
Number of stations from which data was used for origin computation	7

Magnitudes information

ML:0.7

Field	Value
Value	0.7
Uncertainty	0.1
Num. used stations	8
Type of magnitude	ML
Reference to an origin	97494011
Agency	INGV
Autore	Bollettino Sismico Italiano INGV
Time of creation (UTC)	2021-11-16 15:26:33

ML:0.9

Field	Value
Value	0.9
Uncertainty	0.2
Num. used stations	10
Type of magnitude	ML
Reference to an origin	93052951
Agency	INGV
Autore	Sala Sismica INGV-Roma
Time of creation (UTC)	2021-07-22 08:19:59

Picking and Arrival

SCNL	Time	Uncertainty	Polarity	Evaluation_mode	Phase	Azimuth	Distance(km)	Takeoff_angle	Residual	Weight
IV.PZUN.HHZ.	2021-07-22T08:15:36.78	3.0	undecidable	manual	Sg				6.24	0
IV.EPIT.HHZ.	2021-07-22T08:15:31.57	3.0	negative	manual	Pg				11.78	0
AC.VLO.HHZ.	2021-07-22T08:15:27.77	3.0	positive	manual	Pg				9.78	0
CR.ZAG.BHZ.	2021-07-22T08:15:23.16	3.0	undecidable	manual	Sn				-1.99	0
IX.SSB3.HHZ.02	2021-07-22T08:15:16.67	3.0	undecidable	manual	Sg				0.96	0
GU.LSD.HHZ.	2021-07-22T08:15:04.54	3.0	undecidable	manual	Pn				-0.05	0
IV.TEOL.HHZ.	2021-07-22T08:15:00.32	3.0	undecidable	manual	Sg				0.75	0
IV.NDIM.HNZ.	2021-07-22T08:14:57.86	3.0	undecidable	manual	Sn				-0.29	0
SL.KOGS.BHZ.	2021-07-22T08:14:53.52	3.0	negative	manual	Pn				0.76	0
IV.SENA.HHZ.	2021-07-22T08:14:49.23	3.0	undecidable	manual	Pn				-5.44	0
IV.PLMA.HHZ.	2021-07-22T08:14:40.76	3.0	undecidable	manual	Pg				7.88	0
TV.SF04.EHZ.	2021-07-22T08:14:32.79	3.0	undecidable	manual	S				-1.08	0
IV.CRND.HNZ.	2021-07-22T08:14:31.09	3.0	undecidable	manual	Pn				-4.04	0
IV.MGAB.HNZ.	2021-07-22T08:14:18.23	3.0	undecidable	manual	S				-5.14	0
IV.OFFI.HHZ.	2021-07-22T08:14:01.63	3.0	undecidable	manual	P				-5.81	0
IV.PIEI.HHZ.	2021-07-22T08:14:00.26	0.1	undecidable	manual	P	288	37.629	91	-0.31	90
IV.MPAG.EHZ.	2021-07-22T08:13:58.13	0.3	undecidable	manual	P	321	28.3494	91	-0.58	64
IV.FRON.EHZ.	2021-07-22T08:13:57.71	0.3	undecidable	manual	P	296	22.6551	91	0.14	72
IV.SSFR.HHZ.	2021-07-22T08:13:56.58	0.1	undecidable	manual	P	273	15.873	92	0.36	92
IV.EL6.EHZ.	2021-07-22T08:13:55.93	0.1	undecidable	manual	P	138	14.874	92	-0.09	98
IV.ARVD.HHZ.	2021-07-22T08:13:54.88	0.1	undecidable	manual	P	338	8.1807	94	0.21	97
IV.MMUR.HNZ.	2021-07-22T08:13:53.54	0.1	undecidable	manual	P	48	1.998	104	0.09	100

Station Magnitude and Amplitude

SCNL	mag	Generic_amplitude	Period	Type	Category	Unit	Time_window_reference
IV.SSFR.HHN.	ML:1.0	0.00010700000000000001	1.6	AML	other	m	2021-07-22T08:14:01.11
IV.FRON.EHN.	ML:0.7	0.000036599999999999995	0.56	AML	other	m	2021-07-22T08:14:03.19
IV.SSFR.HHE.	ML:0.9	0.0000813	0.62	AML	other	m	2021-07-22T08:14:03.16
IV.FRON.EHE.	ML:0.6	0.00002865	0.5	AML	other	m	2021-07-22T08:14:04.54
IV.MPAG.EHN.	ML:0.7	0.0000273	0.44	AML	other	m	2021-07-22T08:14:05.31
IV.PIEI.HHE.	ML:0.7	0.000022100000000000002	0.68	AML	other	m	2021-07-22T08:14:07.66
IV.PIEI.HHN.	ML:0.6	0.000013850000000000001	0.62	AML	other	m	2021-07-22T08:14:08.77
IV.MPAG.EHE.	ML:0.6	0.0000185	1.02	AML	other	m	2021-07-22T08:14:10.32

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 (quarry blast) with magnitude of ML 0.7 on date 22-07-2021 and time 10:13:53 (Italy) in region 3 km E Genga (AN)

Municipalities within 20 km from the epicenter

Municipalities with at least 50000 inhabitants

Origin

Uncertainty

Quality

ML:0.7

ML:0.9