Earthquake 3 km NW Barete (AQ), Magnitude ML 1.9, 12 March 2021 time 21:45:28 (Timezone UTC)

A magnitude ML 1.9 earthquake occured in region: 3 km NW Barete (AQ), on

12-03-2021 21:45:28 (UTC)
12-03-2021 22:45:28 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.4700, 13.2620 at 11 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
Barete	AQ	3	737	737
Cagnano Amiterno	AQ	3	1369	2106
Pizzoli	AQ	5	4326	6432
Montereale	AQ	6	2581	9013
Capitignano	AQ	7	665	9678
Scoppito	AQ	11	3727	13405
Borbona	RI	12	617	14022
Campotosto	AQ	13	542	14564
Posta	RI	15	694	15258
Antrodoco	RI	16	2588	17846
Micigliano	RI	17	127	17973
L'Aquila	AQ	17	69753	87726
Amatrice	RI	18	2657	90383
Borgo Velino	RI	18	972	91355
Cittareale	RI	19	482	91837
Crognaleto	TE	20	1297	93134
Tornimparte	AQ	20	3187	96321

Municipalities with at least 50000 inhabitants

An earthquake occurred to

17 Km NW of L'Aquila (69753 inhabitants)

42 Km SW of Teramo (54892 inhabitants)

51 Km E of Terni (111501 inhabitants)

68 Km NE of Tivoli (56533 inhabitants)

68 Km NE of Guidonia Montecelio (88673 inhabitants)

71 Km SE of Foligno (57155 inhabitants)

73 Km W of Montesilvano (53738 inhabitants)

76 Km W of Chieti (51815 inhabitants)

78 Km W of Pescara (121014 inhabitants)

91 Km NE of Roma (2864731 inhabitants)

95 Km E of Viterbo (67173 inhabitants)

96 Km NE of Velletri (53303 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 1.9	2021-03-12 21:45:28	42.4695	13.2623	11	2021-07-12 16:55:15	Bollettino Sismico Italiano INGV	91451001
Reviewed Rev100	ML 1.9	2021-03-12 21:45:28	42.4772	13.2577	13	2021-03-12 21:58:29	Sala Sismica INGV-Roma	88061481

Preferred location and magnitude until now.

Origin information

Origin

Field	Value
Time (UTC)	2021-03-12 21:45:28 ± 0.04
Latitude	42.4695 ± 0.0009
Longitude	13.2623 ± 0.0037
Depth (km)	11 (operator assigned)
Evaluation mode of Origin	manual
Evaluation status of Origin	reviewed
Version	1000 -> BULLETIN-INGV
Event type	earthquake
Origin ID	91451001

Uncertainty

Field	Value
Preferred uncertainty description	uncertainty ellipse
Semi-major axis of confidence ellipse (meter)	800
Semi-minor axis of confidence ellipse (meter)	260
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi)	2
Circular confidence region, given by single value of horizontal uncertainty (meter)	260.0
Confidence level of the uncertainty (%)	68

Quality

Field	Value
Largest azimuthal gap in station distribution as seen from epicenter (degree)	78
Number of associated phases, regardless of their use for origin computation	47
Number of defining phases	47
RMS of the travel time residuals of the arrivals used for the origin computation (sec)	0.2
Epicentral distance of station closest to the epicenter (degree)	0.05306
Epicentral distance of station farthest from the epicenter (degree)	1.05401
Number of stations at which the event was observed	25
Number of stations from which data was used for origin computation	25

Magnitudes information

ML:1.9

Field	Value
Value	1.9
Uncertainty	0.3
Num. used stations	39
Type of magnitude	ML
Reference to an origin	91451001
Agency	INGV
Autore	Bollettino Sismico Italiano INGV
Time of creation (UTC)	2021-06-17 12:50:16

ML:1.9

Field	Value
Value	1.9
Uncertainty	0.3
Num. used stations	28
Type of magnitude	ML
Reference to an origin	88061481
Agency	INGV
Autore	Sala Sismica INGV-Roma
Time of creation (UTC)	2021-03-12 21:58:29

Picking and Arrival

SCNL	Time	Uncertainty	Polarity	Evaluation_mode	Phase	Azimuth	Distance(km)	Takeoff_angle	Residual	Weight
IV.EL6.EHZ.	2021-03-12T21:45:57.10	0.6	undecidable	manual	S	352	96.2259	90	0.07	43
IV.CSP1.EHZ.	2021-03-12T21:45:50.20	0.6	undecidable	manual	S	356	69.1752	90	0.37	42
IV.GUMA.HHZ.	2021-03-12T21:45:49.40	0.3	undecidable	manual	S	5	66.0894	90	0.41	63
IV.CESI.HHZ.	2021-03-12T21:45:49.30	0.3	undecidable	manual	S	334	66.1893	90	0.28	64
IV.ARVD.HHZ.	2021-03-12T21:45:48.78	0.3	undecidable	manual	P	347	116.994	90	0.41	57
IV.FDMO.HHZ.	2021-03-12T21:45:48.40	0.6	undecidable	manual	S	347	64.491	90	-0.17	45
IV.MF5.EHZ.	2021-03-12T21:45:47.50	0.6	undecidable	manual	S	16	59.6958	90	0.21	45
IV.CESX.HHZ.	2021-03-12T21:45:46.30	0.3	undecidable	manual	S	286	57.2982	90	-0.35	67
IV.T0110.HHZ.	2021-03-12T21:45:45.20	0.6	undecidable	manual	S	122	49.8168	90	0.54	43
IV.EL6.EHZ.	2021-03-12T21:45:45.15	0.6	undecidable	manual	P	352	96.2259	90	0.01	43
IV.MMO1.EHZ.	2021-03-12T21:45:44.10	0.3	undecidable	manual	S	6	48.0186	90	-0.06	71
IV.ARRO.EHZ.	2021-03-12T21:45:42.50	0.6	undecidable	manual	S	287	42.4242	90	-0.17	47
IV.NRCA.HHZ.	2021-03-12T21:45:42.20	0.3	undecidable	manual	S	343	42.1245	90	-0.4	67
IV.MNTT.EHZ.	2021-03-12T21:45:41.62	0.3	undecidable	manual	P	22	71.0733	90	0.34	64
IV.GAVE.EHZ.	2021-03-12T21:45:41.90	0.6	undecidable	manual	S	310	38.9277	90	0.16	46
IV.FDMO.HHZ.	2021-03-12T21:45:40.12	0.3	undecidable	manual	P	347	64.491	90	-0.14	68
IV.MTRA.EHZ.	2021-03-12T21:45:40.00	0.3	undecidable	manual	S	19	33.6441	90	-0.35	68
IV.GUMA.HHZ.	2021-03-12T21:45:40.68	0.3	undecidable	manual	P	5	66.0894	90	0.18	66
IV.CSP1.EHZ.	2021-03-12T21:45:40.82	0.3	undecidable	manual	P	356	69.1752	90	-0.16	67
IV.CESI.HHZ.	2021-03-12T21:45:40.59	0.3	undecidable	manual	P	334	66.1893	90	0.08	67
IV.CESX.HHZ.	2021-03-12T21:45:39.04	0.3	undecidable	manual	P	286	57.2982	90	-0.11	70
IV.MF5.EHZ.	2021-03-12T21:45:39.76	0.3	undecidable	manual	P	16	59.6958	90	0.24	67
IV.TERO.HHZ.	2021-03-12T21:45:39.60	0.6	undecidable	manual	S	59	32.6451	90	-0.48	44
IV.FIAM.HHZ.	2021-03-12T21:45:38.00	0.3	undecidable	manual	S	208	25.3524	90	-0.11	73
IV.T0110.HHZ.	2021-03-12T21:45:38.11	0.3	undecidable	manual	P	122	49.8168	90	0.11	70
IV.GIGS.HJZ.	2021-03-12T21:45:37.80	0.3	undecidable	manual	S	94	25.4523	90	-0.36	68
IV.MMO1.EHZ.	2021-03-12T21:45:37.51	0.1	positive	manual	P	6	48.0186	90	-0.2	92
IV.LNSS.HHZ.	2021-03-12T21:45:37.40	0.3	undecidable	manual	S	309	23.4543	90	-0.21	73
MN.AQU.HNZ.	2021-03-12T21:45:36.20	0.3	undecidable	manual	S	138	17.3715	90	0.22	73
IV.FAGN.HHZ.	2021-03-12T21:45:36.21	0.6	undecidable	manual	P	131	34.743	90	0.54	44
IV.ARRO.EHZ.	2021-03-12T21:45:36.62	0.1	positive	manual	P	287	42.4242	90	-0.23	93
IV.T1299.HNZ.	2021-03-12T21:45:36.00	0.3	undecidable	manual	S	5	18.3705	90	-0.25	72
IV.GAVE.EHZ.	2021-03-12T21:45:36.48	0.3	undecidable	manual	P	310	38.9277	90	0.16	70
IV.SMA1.EHZ.	2021-03-12T21:45:36.40	0.3	undecidable	manual	S	18	18.87	90	0.02	75
IV.NRCA.HHZ.	2021-03-12T21:45:36.56	0.1	negative	manual	P	343	42.1245	90	-0.25	92
IV.MTRA.EHZ.	2021-03-12T21:45:35.19	0.1	undecidable	manual	P	19	33.6441	90	-0.32	92
IV.CAMP.HHZ.	2021-03-12T21:45:35.10	0.3	undecidable	manual	S	58	14.0748	91	-0.01	75
IV.FIAM.HHZ.	2021-03-12T21:45:34.20	0.1	positive	manual	P	208	25.3524	90	-0.02	99
IV.TERO.HHZ.	2021-03-12T21:45:34.98	0.6	undecidable	manual	P	59	32.6451	90	-0.38	45
IV.GIGS.HJZ.	2021-03-12T21:45:34.20	0.6	undecidable	manual	P	94	25.4523	90	-0.04	49
IV.T1299.HNZ.	2021-03-12T21:45:33.10	0.1	undecidable	manual	P	5	18.3705	90	-0.04	100
IV.SMA1.EHZ.	2021-03-12T21:45:33.45	0.1	undecidable	manual	P	18	18.87	90	0.23	96
IV.RM33.EHZ.	2021-03-12T21:45:33.10	0.3	undecidable	manual	S	318	5.8941	143	-0.15	75
MN.AQU.HNZ.	2021-03-12T21:45:33.24	0.3	undecidable	manual	P	138	17.3715	90	0.25	72
IV.LNSS.HHZ.	2021-03-12T21:45:33.93	0.3	undecidable	manual	P	309	23.4543	90	0	74
IV.CAMP.HHZ.	2021-03-12T21:45:32.56	0.3	undecidable	manual	P	58	14.0748	91	0.08	75
IV.RM33.EHZ.	2021-03-12T21:45:31.55	0.1	undecidable	manual	P	318	5.8941	143	0.14	99

Station Magnitude and Amplitude

SCNL	mag	Generic_amplitude	Period	Type	Category	Unit	Time_window_reference
IV.LNSS.HHN.	ML:1.9	0.00047666075000000005	0.1664	AML	other	m	2021-03-12T21:45:38.21
IV.LNSS.HHE.	ML:1.8	0.00043764125	0.192	AML	other	m	2021-03-12T21:45:39.25
IV.LNSS.HNE.	ML:1.8	0.0003962302	0.192	AML	other	m	2021-03-12T21:45:39.26
IV.LNSS.HNN.	ML:1.8	0.0004233481	0.3712	AML	other	m	2021-03-12T21:45:40.27
IV.TERO.HHE.	ML:1.5	0.00013773325	0.1664	AML	other	m	2021-03-12T21:45:40.88
IV.MTRA.HNE.	ML:2.2	0.000733	0.26	AML	other	m	2021-03-12T21:45:40.29
IV.MTRA.EHE.	ML:2.2	0.0007035	0.26	AML	other	m	2021-03-12T21:45:40.43
IV.MTRA.HNN.	ML:2.2	0.000627	0.24	AML	other	m	2021-03-12T21:45:40.31
IV.MTRA.EHN.	ML:2.2	0.0006472527999999999	0.2432	AML	other	m	2021-03-12T21:45:40.31
IV.TERO.HHN.	ML:1.6	0.00019175300000000002	0.2176	AML	other	m	2021-03-12T21:45:41.18
IV.ARRO.EHE.	ML:1.7	0.0001515	1.72	AML	other	m	2021-03-12T21:45:43.90
IV.FAGN.HHE.	ML:1.8	0.00027049999999999996	0.26	AML	other	m	2021-03-12T21:45:43.18
IV.NRCA.HHN.	ML:2.1	0.00041900000000000005	0.14	AML	other	m	2021-03-12T21:45:43.25
IV.GAVE.EHE.	ML:1.6	0.00013400614499999998	0.2176	AML	other	m	2021-03-12T21:45:48.33
IV.NRCA.HHE.	ML:2.3	0.0007355	0.14	AML	other	m	2021-03-12T21:45:43.49
IV.ARRO.EHN.	ML:1.7	0.00016621844999999998	0.1408	AML	other	m	2021-03-12T21:45:43.23
IV.GAVE.EHN.	ML:1.6	0.00014809725	0.1408	AML	other	m	2021-03-12T21:45:44.54
IV.FAGN.HHN.	ML:1.8	0.00026000000000000003	0.42	AML	other	m	2021-03-12T21:45:46.09
IV.T0110.HHN.	ML:1.6	0.0000968	0.44	AML	other	m	2021-03-12T21:45:48.00
IV.FDMO.HHE.	ML:1.6	0.00007065313000000001	0.192	AML	other	m	2021-03-12T21:45:50.25
IV.GUMA.HHN.	ML:2.3	0.0003628258	0.256	AML	other	m	2021-03-12T21:45:50.71
IV.T0110.HHE.	ML:1.7	0.0001228	0.26	AML	other	m	2021-03-12T21:45:50.81
IV.GUMA.HHE.	ML:2.3	0.00038407185	0.384	AML	other	m	2021-03-12T21:45:50.64
IV.FDMO.HHN.	ML:1.7	0.00009115	0.2	AML	other	m	2021-03-12T21:45:51.11
IV.CESI.HHN.	ML:1.7	0.00009048714499999999	0.2176	AML	other	m	2021-03-12T21:45:51.11
IV.CESI.HHE.	ML:1.6	0.00006408096000000001	0.2688	AML	other	m	2021-03-12T21:45:51.74
IV.CSP1.EHE.	ML:2.1	0.00022398109999999998	0.3712	AML	other	m	2021-03-12T21:45:52.70
IV.CSP1.EHN.	ML:2.1	0.00022482195	0.2176	AML	other	m	2021-03-12T21:45:52.95
IV.TERO.HNN.	ML:1.8	0.00026609485	0.448	AML	other	m	2021-03-12T21:45:42.61
IV.TERO.HNE.	ML:1.6	0.00018117264999999998	0.2688	AML	other	m	2021-03-12T21:45:42.20
IV.NRCA.HNE.	ML:2.3	0.000717333	0.1536	AML	other	m	2021-03-12T21:45:43.49
IV.NRCA.HNN.	ML:2.1	0.00037884675	0.2048	AML	other	m	2021-03-12T21:45:43.24
IV.CESX.HHN.	ML:1.4	0.000059871915	0.3072	AML	other	m	2021-03-12T21:45:48.15
IV.CESX.HHE.	ML:1.3	0.000046626905	0.3968	AML	other	m	2021-03-12T21:45:50.02
IV.MF5.EHN.	ML:2.0	0.00019598130000000001	0.2944	AML	other	m	2021-03-12T21:45:49.17
IV.MF5.EHE.	ML:2.0	0.0001882663	0.32	AML	other	m	2021-03-12T21:45:49.32
IV.GUMA.HNN.	ML:2.4	0.00046255475	0.5376	AML	other	m	2021-03-12T21:45:50.69
IV.EL6.EHE.	ML:2.0	0.00009884791	0.896	AML	other	m	2021-03-12T21:46:07.39
IV.EL6.EHN.	ML:1.9	0.00008849254500000001	0.5248	AML	other	m	2021-03-12T21:46:07.74

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 1.9 on date 12-03-2021 and time 21:45:28 (UTC) in region 3 km NW Barete (AQ)

Municipalities within 20 km from the epicenter

Municipalities with at least 50000 inhabitants

Origin

Uncertainty

Quality

ML:1.9

ML:1.9