Earthquake 4 km W Arquata del Tronto (AP), Magnitude ML 1.5, 25 February 2019 time 15:05:04 (Timezone Italy)

A magnitude ML 1.5 earthquake occured in region: 4 km W Arquata del Tronto (AP), on

25-02-2019 14:05:04 (UTC)
25-02-2019 15:05:04 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7720, 13.2540 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.

Did you feel it? Fill in the questionnaire.

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
Arquata del Tronto	AP	4	1178	1178
Accumoli	RI	9	667	1845
Montegallo	AP	10	523	2368
Acquasanta Terme	AP	13	2916	5284
Norcia	PG	13	4957	10241
Montemonaco	AP	16	604	10845
Amatrice	RI	16	2657	13502
Castelsantangelo sul Nera	MC	16	281	13783
Cittareale	RI	19	482	14265

Municipalities with at least 50000 inhabitants

An earthquake occurred to

39 Km W of Teramo (54892 inhabitants)

48 Km N of L'Aquila (69753 inhabitants)

49 Km E of Foligno (57155 inhabitants)

55 Km E of Terni (111501 inhabitants)

79 Km W of Montesilvano (53738 inhabitants)

80 Km E of Perugia (166134 inhabitants)

86 Km W of Pescara (121014 inhabitants)

88 Km NW of Chieti (51815 inhabitants)

96 Km NE of Guidonia Montecelio (88673 inhabitants)

97 Km S of Ancona (100861 inhabitants)

97 Km NE of Tivoli (56533 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	2019-02-25 14:05:04	42.7717	13.2545	11	2019-08-22 08:24:53	Bollettino Sismico Italiano INGV	66746541
Reviewed Rev100	ML 1.5	2019-02-25 14:05:04	42.7708	13.2552	11	2019-02-25 14:13:40	Sala Sismica INGV-Roma	65951621

Preferred location and magnitude until now.

Origin information

Origin

Field	Value
Time (UTC)	2019-02-25 14:05:04 ± 0.04
Latitude	42.7717 ± 0.0018
Longitude	13.2545 ± 0.0037
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	66746541

Uncertainty

Field	Value
Preferred uncertainty description	uncertainty ellipse
Semi-major axis of confidence ellipse (meter)	322
Semi-minor axis of confidence ellipse (meter)	104
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi)	72
Circular confidence region, given by single value of horizontal uncertainty (meter)	320.0
Confidence level of the uncertainty (%)	68

Quality

Field	Value
Largest azimuthal gap in station distribution as seen from epicenter (degree)	63
Number of associated phases, regardless of their use for origin computation	40
Number of defining phases	40
RMS of the travel time residuals of the arrivals used for the origin computation (sec)	0.17
Epicentral distance of station closest to the epicenter (degree)	0.10522
Epicentral distance of station farthest from the epicenter (degree)	0.66460
Number of stations at which the event was observed	22
Number of stations from which data was used for origin computation	22

Magnitudes information

ML:1.5

Field	Value
Value	1.5
Uncertainty	0.2
Num. used stations	20
Type of magnitude	ML
Reference to an origin	65951621
Agency	INGV
Autore	Sala Sismica INGV-Roma
Time of creation (UTC)	2019-02-25 14:13:40

ML:1.5

Field	Value
Value	1.5
Uncertainty	0.2
Num. used stations	22
Type of magnitude	ML
Reference to an origin	66746541
Agency	INGV
Autore	Bollettino Sismico Italiano INGV
Time of creation (UTC)	2019-03-21 08:10:17

Picking and Arrival

SCNL	Time	Uncertainty	Polarity	Evaluation_mode	Phase	Azimuth	Distance(km)	Takeoff_angle	Residual	Weight
IV.MML1.HNE.	2019-02-25T14:05:19.12	0.6	undecidable	manual	S	329	44.3223	50	0.18	46
IV.T0110.HHZ.	2019-02-25T14:05:17.56	0.6	undecidable	manual	P	144	73.7706	50	0.17	44
IV.CESI.HHZ.	2019-02-25T14:05:17.34	0.6	undecidable	manual	S	312	38.4282	50	-0.03	48
IV.GUMA.HHE.	2019-02-25T14:05:16.56	0.6	undecidable	manual	S	11	32.9448	50	0.66	41
IV.CSP1.EHZ.	2019-02-25T14:05:16.67	0.6	undecidable	manual	S	354	35.742	50	0.03	48
IV.MF5.EHZ.	2019-02-25T14:05:15.61	0.6	undecidable	manual	S	35	29.2485	50	0.71	41
IV.GAVE.EHZ.	2019-02-25T14:05:15.53	0.6	undecidable	manual	S	253	30.6471	50	0.25	46
IV.FDMO.HHZ.	2019-02-25T14:05:15.58	0.6	undecidable	manual	S	335	32.3454	50	-0.17	47
IT.MTCL.HGE.	2019-02-25T14:05:15.40	0.6	undecidable	manual	S	320	32.2455	50	-0.3	46
IV.EL6.EHE.	2019-02-25T14:05:15.80	0.6	undecidable	manual	P	349	63.0924	50	0.05	46
IV.RM33.EHZ.	2019-02-25T14:05:15.22	0.6	undecidable	manual	S	186	29.3484	50	0.29	46
IV.TERO.HHZ.	2019-02-25T14:05:15.57	0.6	undecidable	manual	S	120	32.9448	50	-0.32	46
IV.LNSS.HHZ.	2019-02-25T14:05:14.03	0.6	undecidable	manual	S	223	25.5522	50	0.1	48
IV.CAMP.HHE.	2019-02-25T14:05:14.62	0.6	undecidable	manual	S	154	29.0487	50	-0.23	47
IV.GIGS.HHZ.	2019-02-25T14:05:12.51	0.6	undecidable	manual	P	144	43.8228	50	-0.27	45
IV.PF6.EHE.	2019-02-25T14:05:12.05	0.6	undecidable	manual	P	353	40.9257	50	-0.28	45
IV.MML1.HNE.	2019-02-25T14:05:12.70	0.6	undecidable	manual	P	329	44.3223	50	-0.16	46
IV.CSP1.EHZ.	2019-02-25T14:05:11.36	0.3	undecidable	manual	P	354	35.742	50	-0.17	70
IV.SMA1.EHZ.	2019-02-25T14:05:11.43	0.6	undecidable	manual	S	157	16.9719	122	-0.07	49
IV.CESI.HHZ.	2019-02-25T14:05:11.81	0.1	positive	manual	P	312	38.4282	50	-0.14	94
IV.T1299.EHE.	2019-02-25T14:05:11.36	0.6	undecidable	manual	S	172	15.3735	125	0.31	47
IV.GUMA.HHE.	2019-02-25T14:05:11.27	0.6	undecidable	manual	P	11	32.9448	50	0.17	47
IV.MC2.EHZ.	2019-02-25T14:05:11.39	0.6	undecidable	manual	S	341	16.3725	123	0.06	49
IV.CAMP.HHE.	2019-02-25T14:05:10.27	0.1	positive	manual	P	154	29.0487	50	-0.23	93
IT.MTCL.HGE.	2019-02-25T14:05:10.78	0.6	undecidable	manual	P	320	32.2455	50	-0.21	47
IV.NRCA.HNZ.	2019-02-25T14:05:10.36	0.3	undecidable	manual	S	301	13.2756	129	-0.1	74
IV.RM33.EHZ.	2019-02-25T14:05:10.43	0.6	undecidable	manual	P	186	29.3484	50	-0.11	48
IV.TERO.HHZ.	2019-02-25T14:05:10.96	0.6	undecidable	manual	P	120	32.9448	50	-0.13	47
IV.MMO1.EHZ.	2019-02-25T14:05:10.84	0.3	undecidable	manual	S	23	15.3735	125	-0.19	72
IV.MF5.EHZ.	2019-02-25T14:05:10.76	0.3	undecidable	manual	P	35	29.2485	50	0.24	70
IV.GAVE.EHZ.	2019-02-25T14:05:10.88	0.6	undecidable	manual	P	253	30.6471	50	0.13	48
IV.FDMO.HHZ.	2019-02-25T14:05:10.76	0.6	undecidable	manual	P	335	32.3454	50	-0.25	46
IV.LNSS.HHZ.	2019-02-25T14:05:09.94	0.6	undecidable	manual	P	223	25.5522	50	-0.03	49
IV.MTRA.HNZ.	2019-02-25T14:05:09.85	0.6	undecidable	manual	S	98	11.6772	132	-0.18	49
IV.T1299.EHE.	2019-02-25T14:05:08.53	0.1	positive	manual	P	172	15.3735	125	0.23	96
IV.MC2.EHZ.	2019-02-25T14:05:08.56	0.6	undecidable	manual	P	341	16.3725	123	0.09	49
IV.NRCA.HNZ.	2019-02-25T14:05:08.03	0.1	positive	manual	P	301	13.2756	129	0.07	99
IV.SMA1.EHZ.	2019-02-25T14:05:08.59	0.1	positive	manual	P	157	16.9719	122	0.03	99
IV.MMO1.EHZ.	2019-02-25T14:05:08.30	0.1	positive	manual	P	23	15.3735	125	0.01	100
IV.MTRA.HNZ.	2019-02-25T14:05:07.79	0.6	undecidable	manual	P	98	11.6772	132	0.08	50

Station Magnitude and Amplitude

SCNL	mag	Generic_amplitude	Period	Type	Category	Unit	Time_window_reference
IV.MTRA.EHE.	ML:1.5	0.00038562205	0.1024	AML	other	m	2019-02-25T14:05:10.00
IV.MTRA.HNE.	ML:1.6	0.00041003745	0.096	AML	other	m	2019-02-25T14:05:09.99
IV.MTRA.HNN.	ML:1.5	0.0003414795	0.1152	AML	other	m	2019-02-25T14:05:09.93
IV.MTRA.EHN.	ML:1.5	0.00032274595	0.1024	AML	other	m	2019-02-25T14:05:09.94
IV.NRCA.HNN.	ML:1.9	0.0008757585999999999	0.096	AML	other	m	2019-02-25T14:05:10.40
IV.NRCA.HNE.	ML:2.2	0.00166512	0.0832	AML	other	m	2019-02-25T14:05:10.40
IV.NRCA.HHN.	ML:2.0	0.0010838105000000001	0.0768	AML	other	m	2019-02-25T14:05:10.40
IV.NRCA.HHE.	ML:2.2	0.001740144	0.0832	AML	other	m	2019-02-25T14:05:10.39
IV.SMA1.EHE.	ML:1.5	0.00027249990000000003	0.224	AML	other	m	2019-02-25T14:05:11.52
IV.SMA1.EHN.	ML:1.4	0.00019745849999999997	0.1408	AML	other	m	2019-02-25T14:05:11.00
IV.LNSS.HHE.	ML:1.5	0.0001736029	0.1408	AML	other	m	2019-02-25T14:05:14.89
IV.LNSS.HNN.	ML:1.6	0.00021725558	0.2304	AML	other	m	2019-02-25T14:05:14.36
IV.LNSS.HHN.	ML:1.6	0.0002326586	0.2432	AML	other	m	2019-02-25T14:05:14.35
IV.RM33.EHN.	ML:1.3	0.00010135191500000002	0.16	AML	other	m	2019-02-25T14:05:15.97
IV.RM33.HNN.	ML:1.4	0.00012412712	0.1536	AML	other	m	2019-02-25T14:05:15.97
IV.RM33.EHE.	ML:1.3	0.00009851332500000001	0.1408	AML	other	m	2019-02-25T14:05:16.29
IV.FDMO.HHE.	ML:1.2	0.000076767195	0.2816	AML	other	m	2019-02-25T14:05:15.70
IV.FDMO.HHN.	ML:1.2	0.00007541983000000001	0.2752	AML	other	m	2019-02-25T14:05:15.81
IV.TERO.HHN.	ML:1.4	0.00010998865	0.0832	AML	other	m	2019-02-25T14:05:16.96
IV.TERO.HHE.	ML:1.5	0.00012583739999999998	0.0576	AML	other	m	2019-02-25T14:05:16.13
IV.CESI.HHE.	ML:1.4	0.000098334455	0.1216	AML	other	m	2019-02-25T14:05:17.56
IV.CESI.HHN.	ML:1.5	0.000112010255	0.1792	AML	other	m	2019-02-25T14:05:17.58

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 25-02-2019 and time 15:05:04 (Italy) in region 4 km W Arquata del Tronto (AP)

Municipalities within 20 km from the epicenter

Municipalities with at least 50000 inhabitants

Origin

Uncertainty

Quality

ML:1.5

ML:1.5