Earthquake 4 km NE Acquacanina (MC), Magnitude ML 1.3, 21 February 2021 time 23:37:23 (Timezone Italy)

A magnitude ML 1.3 earthquake occured in region: 4 km NE Acquacanina (MC), on

21-02-2021 22:37:23 (UTC)
21-02-2021 23:37:23 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.0620, 13.2100 at 29 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
Acquacanina	MC	4	121	121
Fiastra	MC	5	559	680
Cessapalombo	MC	7	512	1192
Bolognola	MC	8	142	1334
Sarnano	MC	8	3264	4598
Caldarola	MC	9	1823	6421
Camporotondo di Fiastrone	MC	9	563	6984
Fiordimonte	MC	10	202	7186
Pievebovigliana	MC	10	866	8052
San Ginesio	MC	10	3498	11550
Gualdo	MC	11	815	12365
Belforte del Chienti	MC	12	1886	14251
Pieve Torina	MC	13	1458	15709
Serrapetrona	MC	13	966	16675
Muccia	MC	14	915	17590
Camerino	MC	14	6974	24564
Ussita	MC	14	444	25008
Amandola	FM	15	3629	28637
Sant'Angelo in Pontano	MC	16	1436	30073
Ripe San Ginesio	MC	16	852	30925
Colmurano	MC	17	1263	32188
Montefortino	FM	17	1178	33366
Tolentino	MC	18	20069	53435
Visso	MC	18	1107	54542
Penna San Giovanni	MC	18	1108	55650
Monte Cavallo	MC	19	145	55795
San Severino Marche	MC	19	12726	68521
Monte San Martino	MC	19	765	69286
Castelsantangelo sul Nera	MC	19	281	69567

Municipalities with at least 50000 inhabitants

An earthquake occurred to

43 Km E of Foligno (57155 inhabitants)

60 Km NW of Teramo (54892 inhabitants)

67 Km SW of Ancona (100861 inhabitants)

67 Km E of Perugia (166134 inhabitants)

72 Km NE of Terni (111501 inhabitants)

80 Km N of L'Aquila (69753 inhabitants)

88 Km S of Fano (60888 inhabitants)

97 Km S of Pesaro (94582 inhabitants)

98 Km NW of Montesilvano (53738 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 1.3	2021-02-21 22:37:23	43.0618	13.2098	29	2021-07-12 16:55:03	Bollettino Sismico Italiano INGV	88388391
Reviewed Rev100	ML 1.3	2021-02-21 22:37:23	43.057	13.1807	29	2021-02-21 22:44:34	Sala Sismica INGV-Roma	87363581

Preferred location and magnitude until now.

Origin information

Origin

Field	Value
Time (UTC)	2021-02-21 22:37:23 ± 0.13
Latitude	43.0618 ± 0.0045
Longitude	13.2098 ± 0.0074
Depth (km)	29 ± 1 (from location)
Evaluation mode of Origin	manual
Evaluation status of Origin	reviewed
Version	1000 -> BULLETIN-INGV
Event type	earthquake
Origin ID	88388391

Uncertainty

Field	Value
Preferred uncertainty description	uncertainty ellipse
Semi-major axis of confidence ellipse (meter)	525
Semi-minor axis of confidence ellipse (meter)	427
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi)	232
Circular confidence region, given by single value of horizontal uncertainty (meter)	520.0
Confidence level of the uncertainty (%)	68

Quality

Field	Value
Largest azimuthal gap in station distribution as seen from epicenter (degree)	83
Number of associated phases, regardless of their use for origin computation	43
Number of defining phases	43
RMS of the travel time residuals of the arrivals used for the origin computation (sec)	0.29
Epicentral distance of station closest to the epicenter (degree)	0.03058
Epicentral distance of station farthest from the epicenter (degree)	0.68169
Number of stations at which the event was observed	24
Number of stations from which data was used for origin computation	24

Magnitudes information

ML:1.3

Field	Value
Value	1.3
Uncertainty	0.3
Num. used stations	35
Type of magnitude	ML
Reference to an origin	88388391
Agency	INGV
Autore	Bollettino Sismico Italiano INGV
Time of creation (UTC)	2021-03-22 18:27:30

ML:1.3

Field	Value
Value	1.3
Uncertainty	0.3
Num. used stations	33
Type of magnitude	ML
Reference to an origin	87363581
Agency	INGV
Autore	Sala Sismica INGV-Roma
Time of creation (UTC)	2021-02-21 22:44:34

Picking and Arrival

SCNL	Time	Uncertainty	Polarity	Evaluation_mode	Phase	Azimuth	Distance(km)	Takeoff_angle	Residual	Weight
IV.RM33.HNZ.	2021-02-21T22:37:43.23	0.6	undecidable	manual	S	180	61.2942	109	0.49	41
IV.MURB.HHZ.	2021-02-21T22:37:43.38	0.6	undecidable	manual	S	292	59.7957	110	1.03	33
IV.GAVE.EHZ.	2021-02-21T22:37:40.08	0.6	undecidable	manual	S	212	48.4182	115	0.54	41
IV.ASSB.HHZ.	2021-02-21T22:37:39.00	0.6	undecidable	manual	S	267	44.7219	117	0.34	44
IV.SMA1.EHZ.	2021-02-21T22:37:39.84	0.6	undecidable	manual	S	168	48.9177	115	0.17	45
IV.ATCC.EHZ.	2021-02-21T22:37:39.91	0.6	undecidable	manual	S	287	48.1185	115	0.43	43
IV.FOSV.EHZ.	2021-02-21T22:37:38.92	0.6	undecidable	manual	S	306	44.5221	117	0.3	45
IV.PIEI.HHZ.	2021-02-21T22:37:36.30	0.3	undecidable	manual	P	314	75.6687	105	-0.26	63
IV.MURB.HHZ.	2021-02-21T22:37:35.72	0.3	undecidable	manual	P	292	59.7957	110	1.5	39
IV.EL6.EHZ.	2021-02-21T22:37:35.94	0.3	undecidable	manual	S	344	30.9468	128	0.39	68
IV.CAMP.HHZ.	2021-02-21T22:37:34.02	0.3	undecidable	manual	P	164	60.5949	110	-0.31	65
IV.NRCA.HHZ.	2021-02-21T22:37:34.53	0.3	undecidable	manual	S	197	26.4513	133	-0.11	72
IV.MF5.EHZ.	2021-02-21T22:37:34.50	0.3	undecidable	manual	S	112	21.867	139	0.72	62
IV.CESI.HHZ.	2021-02-21T22:37:34.04	0.6	undecidable	manual	S	256	25.5522	134	-0.42	45
IV.ATFO.HHZ.	2021-02-21T22:37:34.57	0.3	undecidable	manual	P	303	61.6938	109	0.08	68
IV.RM33.HNZ.	2021-02-21T22:37:34.31	0.3	undecidable	manual	P	180	61.2942	109	-0.13	67
IV.MC2.EHZ.	2021-02-21T22:37:33.11	0.3	undecidable	manual	S	186	16.7721	147	0.16	72
IV.MML1.EHZ.	2021-02-21T22:37:33.51	0.3	undecidable	manual	S	287	20.1687	141	0.03	74
IV.TERO.HHZ.	2021-02-21T22:37:33.92	0.3	undecidable	manual	P	147	58.2972	111	-0.08	68
IV.SAP2.EHE.	2021-02-21T22:37:33.28	0.6	undecidable	manual	S	76	15.873	148	0.47	46
IV.ARVD.HHZ.	2021-02-21T22:37:33.14	0.3	undecidable	manual	P	336	53.0025	113	-0.1	68
IV.MMO1.EHZ.	2021-02-21T22:37:33.53	0.3	undecidable	manual	S	152	20.3685	141	0.01	74
IV.SMA1.EHZ.	2021-02-21T22:37:32.40	0.1	undecidable	manual	P	168	48.9177	115	-0.27	89
IV.ATCC.EHZ.	2021-02-21T22:37:32.42	0.3	undecidable	manual	P	287	48.1185	115	-0.13	69
IV.GAVE.EHZ.	2021-02-21T22:37:32.68	0.3	undecidable	manual	P	212	48.4182	115	0.09	69
IV.GUMA.HHZ.	2021-02-21T22:37:32.58	0.6	undecidable	manual	S	89	10.1787	158	0.44	46
IV.PF6.EHE.	2021-02-21T22:37:31.55	0.3	undecidable	manual	S	352	8.4804	162	-0.44	68
IV.CSP1.EHZ.	2021-02-21T22:37:31.53	0.3	undecidable	manual	S	353	3.3966	173	-0.15	74
IV.ASSB.HHZ.	2021-02-21T22:37:31.84	0.1	undecidable	manual	P	267	44.7219	117	-0.24	91
IV.FDMO.HHZ.	2021-02-21T22:37:31.81	0.3	undecidable	manual	S	254	10.2786	158	-0.34	71
IV.FOSV.EHZ.	2021-02-21T22:37:31.92	0.1	undecidable	manual	P	306	44.5221	117	-0.14	92
IV.EL6.EHZ.	2021-02-21T22:37:30.14	0.1	undecidable	manual	P	344	30.9468	128	-0.14	93
IV.CESI.HHZ.	2021-02-21T22:37:29.52	0.1	undecidable	manual	P	256	25.5522	134	-0.13	96
IV.MMO1.EHZ.	2021-02-21T22:37:29.01	0.1	undecidable	manual	P	152	20.3685	141	-0.11	97
IV.NRCA.HHZ.	2021-02-21T22:37:29.54	0.1	undecidable	manual	P	197	26.4513	133	-0.22	94
IV.MF5.EHZ.	2021-02-21T22:37:29.54	0.1	undecidable	manual	P	112	21.867	139	0.27	94
IV.SAP2.EHE.	2021-02-21T22:37:28.90	0.3	undecidable	manual	P	76	15.873	148	0.19	73
IV.FDMO.HHZ.	2021-02-21T22:37:28.05	0.1	undecidable	manual	P	254	10.2786	158	-0.28	95
IV.GUMA.HHZ.	2021-02-21T22:37:28.38	0.1	positive	manual	P	89	10.1787	158	0.07	100
IV.MC2.EHZ.	2021-02-21T22:37:28.81	0.1	negative	manual	P	186	16.7721	147	0.02	99
IV.MML1.EHZ.	2021-02-21T22:37:28.90	0.1	undecidable	manual	P	287	20.1687	141	-0.19	95
IV.PF6.EHE.	2021-02-21T22:37:27.89	0.1	undecidable	manual	P	352	8.4804	162	-0.34	93
IV.CSP1.EHZ.	2021-02-21T22:37:27.94	0.1	positive	manual	P	353	3.3966	173	-0.12	99

Station Magnitude and Amplitude

SCNL	mag	Generic_amplitude	Period	Type	Category	Unit	Time_window_reference
IV.CSP1.EHE.	ML:1.7	0.00027870754999999997	0.0896	AML	other	m	2021-02-21T22:37:31.67
IV.CSP1.EHN.	ML:1.7	0.00029283905	0.0768	AML	other	m	2021-02-21T22:37:31.72
IV.FDMO.HHN.	ML:1.4	0.00011424999999999999	0.42	AML	other	m	2021-02-21T22:37:32.23
IV.GUMA.HHE.	ML:1.6	0.000224	0.2	AML	other	m	2021-02-21T22:37:32.70
IV.GUMA.HHN.	ML:1.6	0.00020750000000000003	0.22	AML	other	m	2021-02-21T22:37:32.73
IV.FDMO.HHE.	ML:1.1	0.0000668	0.14	AML	other	m	2021-02-21T22:37:33.15
IV.NRCA.HNN.	ML:1.8	0.00023311285	0.6784	AML	other	m	2021-02-21T22:37:34.50
IV.NRCA.HNE.	ML:1.9	0.000292810555	0.4736	AML	other	m	2021-02-21T22:37:34.59
IV.NRCA.HHE.	ML:1.8	0.00023549999999999998	0.24	AML	other	m	2021-02-21T22:37:34.80
IV.GUMA.HNE.	ML:1.5	0.00014321475	0.3072	AML	other	m	2021-02-21T22:37:34.73
IV.CESI.HHE.	ML:1.3	0.00006818624500000001	0.1024	AML	other	m	2021-02-21T22:37:34.69
IV.MF5.EHN.	ML:1.0	0.00004741162	1.8208	AML	other	m	2021-02-21T22:37:35.02
IV.CESI.HHN.	ML:1.4	0.00009189915000000002	0.1152	AML	other	m	2021-02-21T22:37:35.02
IV.MF5.EHE.	ML:1.1	0.000052595425	0.192	AML	other	m	2021-02-21T22:37:35.28
IV.NRCA.HHN.	ML:1.5	0.00012075688000000001	0.128	AML	other	m	2021-02-21T22:37:35.51
IV.EL6.EHE.	ML:1.2	0.000055627525000000004	0.1408	AML	other	m	2021-02-21T22:37:36.27
IV.EL6.EHN.	ML:1.3	0.00006720050000000001	1.06	AML	other	m	2021-02-21T22:37:36.69
IV.FOSV.EHE.	ML:1.6	0.000097630755	0.2432	AML	other	m	2021-02-21T22:37:39.17
IV.FOSV.EHN.	ML:2.0	0.000222	0.26	AML	other	m	2021-02-21T22:37:39.42
IV.ASSB.HHN.	ML:1.4	0.000057593005	0.1792	AML	other	m	2021-02-21T22:37:39.90
IV.ASSB.HHE.	ML:1.1	0.000028343425	0.128	AML	other	m	2021-02-21T22:37:39.97
IV.SMA1.EHN.	ML:1.0	0.00002277866	0.2176	AML	other	m	2021-02-21T22:37:40.20
IV.ATCC.EHE.	ML:1.2	0.000037	0.24	AML	other	m	2021-02-21T22:37:40.59
IV.ATCC.EHN.	ML:1.2	0.000037040364999999996	0.192	AML	other	m	2021-02-21T22:37:40.76
IV.GAVE.EHN.	ML:1.1	0.000030098039999999998	0.1792	AML	other	m	2021-02-21T22:37:41.26
IV.GAVE.HNE.	ML:1.8	0.0001582376	0.7296	AML	other	m	2021-02-21T22:37:41.93
IV.ARVD.HHN.	ML:0.4	0.0000067082785	1.808	AML	other	m	2021-02-21T22:37:41.05
IV.ARVD.HHE.	ML:0.4	0.000006888124	0.1536	AML	other	m	2021-02-21T22:37:43.17
IV.TERO.HHN.	ML:0.9	0.000013311541	0.064	AML	other	m	2021-02-21T22:37:43.74
IV.ATFO.HHN.	ML:1.1	0.00002170009	0.3072	AML	other	m	2021-02-21T22:37:44.06
IV.ATFO.HHE.	ML:1.4	0.000038555270000000005	0.2816	AML	other	m	2021-02-21T22:37:44.02
IV.TERO.HHE.	ML:0.9	0.000014175925	0.1408	AML	other	m	2021-02-21T22:37:44.33
IV.SMA1.EHE.	ML:1.0	0.000017636425	0.448	AML	other	m	2021-02-21T22:37:46.93
IV.PIEI.HHN.	ML:1.0	0.000013153685	0.1664	AML	other	m	2021-02-21T22:37:47.67
IV.PIEI.HHE.	ML:1.0	0.000015274264999999998	0.1024	AML	other	m	2021-02-21T22:37:48.75

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 1.3 on date 21-02-2021 and time 23:37:23 (Italy) in region 4 km NE Acquacanina (MC)

Municipalities within 20 km from the epicenter

Municipalities with at least 50000 inhabitants

Origin

Uncertainty

Quality

ML:1.3

ML:1.3