Earthquake 5 km W Amatrice (RI), Magnitude ML 1.7, 2 April 2019 time 18:33:54 (Timezone Italy)

A magnitude ML 1.7 earthquake occured in region: 5 km W Amatrice (RI), on

02-04-2019 16:33:54 (UTC)
02-04-2019 18:33:54 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6270, 13.2310 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
Amatrice	RI	5	2657	2657
Cittareale	RI	6	482	3139
Accumoli	RI	8	667	3806
Montereale	AQ	11	2581	6387
Capitignano	AQ	13	665	7052
Campotosto	AQ	14	542	7594
Borbona	RI	15	617	8211
Posta	RI	16	694	8905
Arquata del Tronto	AP	17	1178	10083
Cagnano Amiterno	AQ	19	1369	11452
Barete	AQ	20	737	12189

Municipalities with at least 50000 inhabitants

An earthquake occurred to

34 Km NW of L'Aquila (69753 inhabitants)

39 Km W of Teramo (54892 inhabitants)

48 Km E of Terni (111501 inhabitants)

57 Km SE of Foligno (57155 inhabitants)

76 Km W of Montesilvano (53738 inhabitants)

81 Km NE of Guidonia Montecelio (88673 inhabitants)

82 Km NE of Tivoli (56533 inhabitants)

83 Km W of Pescara (121014 inhabitants)

83 Km W of Chieti (51815 inhabitants)

87 Km SE of Perugia (166134 inhabitants)

95 Km E of Viterbo (67173 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 1.7	2019-04-02 16:33:54	42.6267	13.2308	11	2019-08-22 08:25:02	Bollettino Sismico Italiano INGV	69433311
Reviewed Rev100	ML 1.4	2019-04-02 16:33:54	42.63	13.2407	13	2019-04-02 16:47:25	Sala Sismica INGV-Roma	67197411

Preferred location and magnitude until now.

Origin information

Origin

Field	Value
Time (UTC)	2019-04-02 16:33:54 ± 0.05
Latitude	42.6267 ± 0.0036
Longitude	13.2308 ± 0.0049
Depth (km)	11 ± 0 (from location)
Evaluation mode of Origin	manual
Evaluation status of Origin	reviewed
Version	1000 -> BULLETIN-INGV
Event type	earthquake
Origin ID	69433311

Uncertainty

Field	Value
Preferred uncertainty description	uncertainty ellipse
Semi-major axis of confidence ellipse (meter)	413
Semi-minor axis of confidence ellipse (meter)	399
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi)	145
Circular confidence region, given by single value of horizontal uncertainty (meter)	410.0
Confidence level of the uncertainty (%)	68

Quality

Field	Value
Largest azimuthal gap in station distribution as seen from epicenter (degree)	37
Number of associated phases, regardless of their use for origin computation	41
Number of defining phases	41
RMS of the travel time residuals of the arrivals used for the origin computation (sec)	0.24
Epicentral distance of station closest to the epicenter (degree)	0.03867
Epicentral distance of station farthest from the epicenter (degree)	0.59085
Number of stations at which the event was observed	30
Number of stations from which data was used for origin computation	30

Magnitudes information

ML:1.4

Field	Value
Value	1.4
Uncertainty	0.2
Num. used stations	22
Type of magnitude	ML
Reference to an origin	67197411
Agency	INGV
Autore	Sala Sismica INGV-Roma
Time of creation (UTC)	2019-04-02 16:47:25

ML:1.7

Field	Value
Value	1.7
Uncertainty	0.3
Num. used stations	45
Type of magnitude	ML
Reference to an origin	69433311
Agency	INGV
Autore	Bollettino Sismico Italiano INGV
Time of creation (UTC)	2019-06-12 10:45:05

Picking and Arrival

SCNL	Time	Uncertainty	Polarity	Evaluation_mode	Phase	Azimuth	Distance(km)	Takeoff_angle	Residual	Weight
IV.MML1.HNE.	2019-04-02T16:34:12.79	0.3	undecidable	manual	S	339	57.9975	50	0.31	68
IV.MOMA.HHZ.	2019-04-02T16:34:12.34	0.6	undecidable	manual	S	290	57.2982	50	0.03	48
IT.MTCL.HGZ.	2019-04-02T16:34:09.08	0.6	undecidable	manual	S	335	44.9217	50	0.09	48
IV.FEMA.HNE.	2019-04-02T16:34:07.87	0.3	undecidable	manual	S	338	40.0266	50	0.18	72
IV.ASSB.HHN.	2019-04-02T16:34:06.06	0.1	undecidable	manual	P	315	65.5899	50	0.03	94
IV.MNTT.EHE.	2019-04-02T16:34:05.06	0.6	undecidable	manual	P	31	56.6988	50	0.4	44
IV.VCEL.EHZ.	2019-04-02T16:34:04.93	0.6	undecidable	manual	P	117	56.0994	50	0.35	45
IV.CESX.HHZ.	2019-04-02T16:34:04.19	1.0	negative	manual	P	268	52.6029	50	0.15	24
IT.MMP1.HGE.	2019-04-02T16:34:04.53	0.1	undecidable	manual	P	223	57.5979	50	-0.27	91
IV.SAP2.EHE.	2019-04-02T16:34:04.76	0.1	undecidable	manual	P	15	53.9016	50	0.52	86
IV.MOMA.HHZ.	2019-04-02T16:34:04.86	0.3	undecidable	manual	P	290	57.2982	50	0.09	71
IV.OFFI.HHE.	2019-04-02T16:34:04.42	0.1	undecidable	manual	P	47	50.4162	50	0.72	80
IV.MML1.HNE.	2019-04-02T16:34:04.91	0.1	undecidable	manual	P	339	57.9975	50	0.05	95
IV.CSP1.EHE.	2019-04-02T16:34:03.96	1.0	undecidable	manual	P	358	51.6039	50	0.07	24
IV.CESI.HHZ.	2019-04-02T16:34:03.61	0.6	undecidable	manual	P	328	49.617	50	0.03	48
IV.NRCA.HNZ.	2019-04-02T16:34:03.10	0.3	undecidable	manual	S	338	24.8529	50	-0.53	68
IT.MTCL.HGZ.	2019-04-02T16:34:02.47	0.1	undecidable	manual	P	335	44.9217	50	-0.38	91
IV.FDMO.HHZ.	2019-04-02T16:34:02.92	0.6	positive	manual	P	346	46.9197	50	-0.24	47
IV.FIAM.HHZ.	2019-04-02T16:34:02.10	0.3	undecidable	manual	P	193	40.8258	50	-0.12	72
IV.FEMA.HNE.	2019-04-02T16:34:02.89	1.0	undecidable	manual	P	338	40.0266	50	0.79	20
IV.MF5.EHZ.	2019-04-02T16:34:02.97	0.6	positive	manual	P	25	44.2224	50	0.23	47
IV.ARRO.EHZ.	2019-04-02T16:34:01.65	0.3	undecidable	manual	P	262	38.3283	50	-0.19	72
IV.MTRA.EHZ.	2019-04-02T16:34:01.69	0.3	undecidable	manual	S	43	19.7691	118	-0.56	68
MN.AQU.HNN.	2019-04-02T16:34:01.28	1.0	undecidable	manual	P	155	33.4443	50	0.2	24
IV.CAMP.HHZ.	2019-04-02T16:34:01.40	0.6	undecidable	manual	S	125	17.6712	121	-0.24	49
IV.LNSS.HHZ.	2019-04-02T16:34:01.00	0.3	undecidable	manual	S	260	15.7731	124	-0.08	76
IV.MMO1.EHZ.	2019-04-02T16:34:00.48	0.3	undecidable	manual	P	14	31.2465	50	-0.26	72
IV.RM33.HNZ.	2019-04-02T16:34:00.40	0.6	undecidable	manual	S	186	13.0758	129	0.06	51
IV.GIGS.HHZ.	2019-04-02T16:34:00.92	0.3	negative	manual	P	124	33.9438	50	-0.24	72
IV.TERO.HHZ.	2019-04-02T16:34:00.27	0.1	undecidable	manual	P	91	30.4473	50	-0.35	94
IV.MC2.EHZ.	2019-04-02T16:34:00.75	0.6	positive	manual	P	354	31.746	50	-0.08	50
IV.GAVE.EHZ.	2019-04-02T16:34:00.21	0.1	positive	manual	P	285	28.4493	50	-0.1	99
IV.NRCA.HNZ.	2019-04-02T16:33:59.54	0.3	undecidable	manual	P	338	24.8529	50	-0.22	73
IV.SMA1.EHZ.	2019-04-02T16:33:59.30	0.6	undecidable	manual	S	87	8.4804	141	0.09	51
IV.CAMP.HHZ.	2019-04-02T16:33:58.61	1.0	positive	manual	P	125	17.6712	121	0	26
IV.T1299.HNZ.	2019-04-02T16:33:58.50	0.3	undecidable	manual	S	79	4.2957	158	0.04	78
IV.LNSS.HHZ.	2019-04-02T16:33:58.45	0.1	positive	manual	P	260	15.7731	124	0.17	100
IV.MTRA.EHZ.	2019-04-02T16:33:58.73	0.1	positive	manual	P	43	19.7691	118	-0.23	98
IV.RM33.HNZ.	2019-04-02T16:33:58.13	0.3	positive	manual	P	186	13.0758	129	0.28	74
IV.SMA1.EHZ.	2019-04-02T16:33:57.45	1.0	undecidable	manual	P	87	8.4804	141	0.25	25
IV.T1299.HNZ.	2019-04-02T16:33:57.04	0.3	undecidable	manual	P	79	4.2957	158	0.27	75

Station Magnitude and Amplitude

SCNL	mag	Generic_amplitude	Period	Type	Category	Unit	Time_window_reference
IV.ARRO.EHN.	ML:0.0	0.000053567265	0.2688	AML	other	m	2019-04-02T16:34:07.41
IV.RM33.HNN.	ML:0.0	0.000987	0.5	AML	other	m	2019-04-02T16:34:00.82
IV.RM33.EHN.	ML:0.0	0.0009225000000000001	0.5	AML	other	m	2019-04-02T16:34:00.82
IV.RM33.EHE.	ML:0.0	0.001675	0.18	AML	other	m	2019-04-02T16:34:00.89
IV.RM33.HNE.	ML:0.0	0.0016950000000000001	0.18	AML	other	m	2019-04-02T16:34:00.89
IV.LNSS.HNN.	ML:0.0	0.0009739999999999999	0.34	AML	other	m	2019-04-02T16:34:01.33
IV.LNSS.HHN.	ML:0.0	0.001019	0.32	AML	other	m	2019-04-02T16:34:01.33
IV.LNSS.HNE.	ML:0.0	0.000854	0.14	AML	other	m	2019-04-02T16:34:01.44
IV.LNSS.HHE.	ML:0.0	0.0008879999999999999	0.14	AML	other	m	2019-04-02T16:34:01.44
IV.CAMP.HHE.	ML:0.0	0.0001045	0.94	AML	other	m	2019-04-02T16:34:01.86
IV.MTRA.EHN.	ML:0.0	0.00042300000000000004	0.44	AML	other	m	2019-04-02T16:34:01.72
IV.CAMP.HHN.	ML:0.0	0.00010515	0.24	AML	other	m	2019-04-02T16:34:02.64
IV.MTRA.EHE.	ML:0.0	0.00042449999999999996	0.38	AML	other	m	2019-04-02T16:34:02.72
IV.NRCA.HHN.	ML:0.0	0.00048650000000000006	0.12	AML	other	m	2019-04-02T16:34:03.44
IV.NRCA.HHE.	ML:0.0	0.000847	0.12	AML	other	m	2019-04-02T16:34:03.45
IV.GAVE.EHE.	ML:0.0	0.0003285	0.62	AML	other	m	2019-04-02T16:34:04.89
IV.GAVE.EHN.	ML:0.0	0.0002985	1.38	AML	other	m	2019-04-02T16:34:05.02
IV.TERO.HHN.	ML:0.0	0.0002255	0.08	AML	other	m	2019-04-02T16:34:05.06
IV.TERO.HHE.	ML:0.0	0.0001665	0.48	AML	other	m	2019-04-02T16:34:05.40
IV.FIAM.HHN.	ML:0.0	0.0000614	0.68	AML	other	m	2019-04-02T16:34:08.47
IV.FIAM.HHE.	ML:0.0	0.000043950000000000004	0.68	AML	other	m	2019-04-02T16:34:08.24
IV.ARRO.EHE.	ML:0.0	0.00007345	0.22	AML	other	m	2019-04-02T16:34:09.37
IV.FDMO.HHE.	ML:0.0	0.00004679999999999999	0.38	AML	other	m	2019-04-02T16:34:10.05
IV.FDMO.HHN.	ML:0.0	0.000054800000000000004	0.16	AML	other	m	2019-04-02T16:34:10.07
IV.CESI.HHE.	ML:0.0	0.0000378	0.64	AML	other	m	2019-04-02T16:34:12.26
IV.CESX.HHE.	ML:0.0	0.00003945	0.2	AML	other	m	2019-04-02T16:34:12.17
IV.CESX.HHN.	ML:0.0	0.00004815	0.94	AML	other	m	2019-04-02T16:34:12.84
IV.CESI.HHN.	ML:0.0	0.0000577	0.26	AML	other	m	2019-04-02T16:34:12.91
IV.VCEL.EHN.	ML:0.0	0.00008905	0.94	AML	other	m	2019-04-02T16:34:13.46
IV.MOMA.HHE.	ML:0.0	0.0000708	0.34	AML	other	m	2019-04-02T16:34:14.28
IV.MOMA.HHN.	ML:0.0	0.00005745	0.22	AML	other	m	2019-04-02T16:34:14.54
IV.VCEL.EHE.	ML:0.0	0.00008575	0.94	AML	other	m	2019-04-02T16:34:15.02
IV.MTRA.HNN.	ML:0.0	0.00045389124999999997	0.4352	AML	other	m	2019-04-02T16:34:01.72
IV.MTRA.HNE.	ML:0.0	0.00038418135	0.3456	AML	other	m	2019-04-02T16:34:02.41
IV.NRCA.HNN.	ML:0.0	0.0005281757	0.128	AML	other	m	2019-04-02T16:34:03.44
IV.NRCA.HNE.	ML:0.0	0.0007395183999999999	0.1152	AML	other	m	2019-04-02T16:34:03.45
IV.GAVE.HNE.	ML:0.0	0.00033561779999999997	0.6144	AML	other	m	2019-04-02T16:34:04.58
IV.GAVE.HNN.	ML:0.0	0.00028570025	0.9088	AML	other	m	2019-04-02T16:34:05.01
IV.TERO.HNE.	ML:0.0	0.000103400405	1.9968	AML	other	m	2019-04-02T16:34:05.32
IV.TERO.HNN.	ML:0.0	0.00012340124999999998	1.1392	AML	other	m	2019-04-02T16:34:04.50
IV.FIAM.HNN.	ML:0.0	0.00015999125	1.4848	AML	other	m	2019-04-02T16:34:08.46
IV.MF5.EHN.	ML:0.0	0.00010217123	0.7296	AML	other	m	2019-04-02T16:34:09.84
IV.MF5.EHE.	ML:0.0	0.0001060164	0.4352	AML	other	m	2019-04-02T16:34:10.20
IV.MOMA.HNE.	ML:0.0	0.00012110720999999999	2.56	AML	other	m	2019-04-02T16:34:13.86
IV.MOMA.HNN.	ML:0.0	0.0001487947	4.3136	AML	other	m	2019-04-02T16:34:14.03
IV.SMA1.EHN.	ML:0.0	0.0022	0.94	AML	other	m	2019-04-02T16:33:59.76
IV.GIGS.HHE.	ML:0.0	0.0000423	1.34	AML	other	m	2019-04-02T16:34:05.77
IV.GIGS.HHN.	ML:0.0	0.00003205	1.46	AML	other	m	2019-04-02T16:34:05.82

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 1.7 on date 02-04-2019 and time 18:33:54 (Italy) in region 5 km W Amatrice (RI)

Municipalities within 20 km from the epicenter

Municipalities with at least 50000 inhabitants

Origin

Uncertainty

Quality

ML:1.4

ML:1.7