Earthquake 2 km W Treia (MC), Magnitude ML 0.7, 30 July 2021 time 10:03:38 (Timezone UTC)

A magnitude ML 0.7 (quarry blast) earthquake occured in region: 2 km W Treia (MC), on

30-07-2021 10:03:38 (UTC)
30-07-2021 12:03:38 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.3100, 13.2880 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
Treia	MC	2	9403	9403
Pollenza	MC	7	6618	16021
Appignano	MC	8	4213	20234
Cingoli	MC	9	10352	30586
Tolentino	MC	11	20069	50655
San Severino Marche	MC	13	12726	63381
Montecassiano	MC	14	7125	70506
Macerata	MC	14	42473	112979
Urbisaglia	MC	14	2628	115607
Filottrano	AN	15	9499	125106
Apiro	MC	16	2280	127386
Staffolo	AN	16	2253	129639
Belforte del Chienti	MC	17	1886	131525
Serrapetrona	MC	17	966	132491
Montefano	MC	17	3541	136032
Colmurano	MC	17	1263	137295
Petriolo	MC	18	1998	139293
Poggio San Vicino	MC	18	246	139539
San Paolo di Jesi	AN	19	933	140472
Loro Piceno	MC	19	2401	142873
Corridonia	MC	19	15430	158303
Gagliole	MC	19	620	158923
Ripe San Ginesio	MC	20	852	159775
Caldarola	MC	20	1823	161598
Camporotondo di Fiastrone	MC	20	563	162161

Municipalities with at least 50000 inhabitants

An earthquake occurred to

39 Km SW of Ancona (100861 inhabitants)

62 Km NE of Foligno (57155 inhabitants)

63 Km SE of Fano (60888 inhabitants)

73 Km SE of Pesaro (94582 inhabitants)

76 Km E of Perugia (166134 inhabitants)

80 Km NW of Teramo (54892 inhabitants)

98 Km NE 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	2021-07-30 10:03:38	43.3102	13.2877	1	2021-12-29 11:12:53	Bollettino Sismico Italiano INGV	98183891
Reviewed Rev100	ML 0.9	2021-07-30 10:03:38	43.3552	13.2785	13	2021-07-30 10:11:14	Sala Sismica INGV-Roma	93398691

Preferred location and magnitude until now.

Origin information

Origin

Field	Value
Time (UTC)	2021-07-30 10:03:38 ± 0.24
Latitude	43.3102 ± 0.0108
Longitude	13.2877 ± 0.0222
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	98183891

Uncertainty

Field	Value
Preferred uncertainty description	uncertainty ellipse
Semi-major axis of confidence ellipse (meter)	2040
Semi-minor axis of confidence ellipse (meter)	730
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi)	242
Circular confidence region, given by single value of horizontal uncertainty (meter)	2040.0
Confidence level of the uncertainty (%)	68

Quality

Field	Value
Largest azimuthal gap in station distribution as seen from epicenter (degree)	205
Number of associated phases, regardless of their use for origin computation	30
Number of defining phases	5
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)	0.34534
Number of stations at which the event was observed	29
Number of stations from which data was used for origin computation	5

Magnitudes information

ML:0.7

Field	Value
Value	0.7
Uncertainty	0.2
Num. used stations	4
Type of magnitude	ML
Reference to an origin	98183891
Agency	INGV
Autore	Bollettino Sismico Italiano INGV
Time of creation (UTC)	2021-12-05 16:55:30

ML:0.9

Field	Value
Value	0.9
Uncertainty	0.2
Num. used stations	4
Type of magnitude	ML
Reference to an origin	93398691
Agency	INGV
Autore	Sala Sismica INGV-Roma
Time of creation (UTC)	2021-07-30 10:11:14

Picking and Arrival

SCNL	Time	Uncertainty	Polarity	Evaluation_mode	Phase	Azimuth	Distance(km)	Takeoff_angle	Residual	Weight
IV.QLNO.HHZ.	2021-07-30T10:05:28.76	3.0	undecidable	manual	Sg				5.99	0
IX.SRN3.HHZ.02	2021-07-30T10:05:23.16	3.0	undecidable	manual	Sg				6.14	0
CR.STON.BHZ.	2021-07-30T10:05:22.80	3.0	undecidable	manual	Sg				8.71	0
AC.VLO.HHZ.	2021-07-30T10:05:13.61	3.0	undecidable	manual	Pg				8.85	0
IV.MTGR.HHZ.	2021-07-30T10:05:09.95	3.0	positive	manual	Pg				4.3	0
IV.ZEN8.EHZ.	2021-07-30T10:05:08.19	3.0	undecidable	manual	Sg				6.12	0
IV.ILOS.HHZ.	2021-07-30T10:05:03.75	3.0	negative	manual	Pg				3.68	0
GU.LSD.HHZ.	2021-07-30T10:05:00.01	3.0	undecidable	manual	Pg				5.26	0
IV.IMTC.HHZ.	2021-07-30T10:05:00.57	3.0	undecidable	manual	Sg				-1.48	0
IV.CAR1.HHZ.	2021-07-30T10:04:59.09	3.0	negative	manual	Pg				4.79	0
IV.AGLI.HHZ.	2021-07-30T10:04:42.37	3.0	undecidable	manual	Pg				0.83	0
IX.SCL3.EHZ.02	2021-07-30T10:04:28.76	3.0	positive	manual	Pg				-4.62	0
GU.GORR.HHZ.	2021-07-30T10:04:28.75	3.0	undecidable	manual	Pg				-2.15	0
IV.VOBA.EHZ.	2021-07-30T10:04:27.94	3.0	positive	manual	Pg				-0.81	0
IV.ZONE.HHZ.	2021-07-30T10:04:23.52	3.0	undecidable	manual	Pn				-9.02	0
IV.CTI.HHZ.	2021-07-30T10:04:19.14	3.0	undecidable	manual	Pn				-8	0
RF.GEPF.HHZ.	2021-07-30T10:04:15.99	3.0	negative	manual	Pn				-9.99	0
IV.ZEN8.EHZ.	2021-07-30T10:04:14.75	3.0	undecidable	manual	Pn				-9.99	0
IV.VAGA.HHZ.	2021-07-30T10:04:13.19	3.0	positive	manual	Pg				-5.64	0
IV.RIBO.EHZ.01	2021-07-30T10:04:11.35	3.0	undecidable	manual	Pg				-0.86	0
IV.PTRJ.HHZ.	2021-07-30T10:04:10.45	3.0	negative	manual	Pn				-9.99	0
IV.ARRO.EHZ.	2021-07-30T10:04:05.74	3.0	undecidable	manual	Sg				-9.99	0
IV.CAMP.HHZ.	2021-07-30T10:03:51.03	3.0	undecidable	manual	Pn				-9.99	0
IV.TERO.HHZ.	2021-07-30T10:03:51.41	3.0	undecidable	manual	P				-9.06	0
IV.PE3.EHZ.	2021-07-30T10:03:47.28	3.0	negative	manual	P				-7.49	0
IV.MF5.EHZ.	2021-07-30T10:03:46.53	0.3	undecidable	manual	P	159	38.3283	91	-0.03	71
IV.FDMO.HHZ.	2021-07-30T10:03:45.49	0.3	undecidable	manual	P	208	34.4433	91	-0.28	68
IV.CSP1.EHZ.	2021-07-30T10:03:44.16	0.3	undecidable	manual	P	195	25.1526	91	0.25	70
IV.EL6.EHZ.	2021-07-30T10:03:41.98	0.3	undecidable	manual	P	278	15.1737	92	0.07	74
IV.CING.HHN.	2021-07-30T10:03:40.93	0.1	undecidable	manual	P	314	10.3785	93	-0.03	100

Station Magnitude and Amplitude

SCNL	mag	Generic_amplitude	Period	Type	Category	Unit	Time_window_reference
IV.EL6.EHN.	ML:0.5	0.0000408679655	0.4416	AML	other	m	2021-07-30T10:03:45.15
IV.EL6.EHE.	ML:0.6	0.0000513151	0.7392	AML	other	m	2021-07-30T10:03:45.91
IV.CSP1.EHE.	ML:0.8	0.0000470347645	1.8208	AML	other	m	2021-07-30T10:03:48.03
IV.CSP1.EHN.	ML:0.9	0.000051175795	0.2624	AML	other	m	2021-07-30T10:03:49.53

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 30-07-2021 and time 10:03:38 (UTC) in region 2 km W Treia (MC)

Municipalities within 20 km from the epicenter

Municipalities with at least 50000 inhabitants

Origin

Uncertainty

Quality

ML:0.7

ML:0.9