Earthquake 3 km N Monte Cavallo (MC), Magnitude ML 2.1, 22 January 2021 time 17:18:31 (Timezone UTC)

A magnitude ML 2.1 earthquake occured in region: 3 km N Monte Cavallo (MC), on

22-01-2021 17:18:31 (UTC)
22-01-2021 18:18:31 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.0210, 13.0110 at 8 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
Monte Cavallo	MC	3	145	145
Pieve Torina	MC	4	1458	1603
Fiordimonte	MC	7	202	1805
Muccia	MC	7	915	2720
Serravalle di Chienti	MC	7	1070	3790
Pievebovigliana	MC	8	866	4656
Visso	MC	12	1107	5763
Fiastra	MC	12	559	6322
Acquacanina	MC	13	121	6443
Ussita	MC	14	444	6887
Camerino	MC	14	6974	13861
Sefro	MC	15	422	14283
Preci	PG	16	724	15007
Sellano	PG	16	1079	16086
Pioraco	MC	18	1134	17220
Bolognola	MC	18	142	17362
Castelsantangelo sul Nera	MC	18	281	17643
Fiuminata	MC	20	1402	19045

Municipalities with at least 50000 inhabitants

An earthquake occurred to

26 Km E of Foligno (57155 inhabitants)

51 Km E of Perugia (166134 inhabitants)

59 Km NE of Terni (111501 inhabitants)

69 Km NW of Teramo (54892 inhabitants)

78 Km SW of Ancona (100861 inhabitants)

81 Km NW of L'Aquila (69753 inhabitants)

92 Km S of Fano (60888 inhabitants)

99 Km S of Pesaro (94582 inhabitants)

100 Km NE 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 2.1	2021-01-22 17:18:31	43.0213	13.0108	8	2021-07-12 16:54:58	Bollettino Sismico Italiano INGV	86978611

Preferred location and magnitude until now.

Origin information

Origin

Field	Value
Time (UTC)	2021-01-22 17:18:31 ± 0.04
Latitude	43.0213 ± 0.0027
Longitude	13.0108 ± 0.0037
Depth (km)	8 ± 0 (from location)
Evaluation mode of Origin	manual
Evaluation status of Origin	reviewed
Version	1000 -> BULLETIN-INGV
Event type	earthquake
Origin ID	86978611

Uncertainty

Field	Value
Preferred uncertainty description	uncertainty ellipse
Semi-major axis of confidence ellipse (meter)	258
Semi-minor axis of confidence ellipse (meter)	131
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi)	197
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)	55
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)	0.22
Epicentral distance of station closest to the epicenter (degree)	0.02878
Epicentral distance of station farthest from the epicenter (degree)	0.66640
Number of stations at which the event was observed	23
Number of stations from which data was used for origin computation	23

Magnitude information

ML:2.1

Field	Value
Value	2.1
Uncertainty	0.3
Num. used stations	48
Type of magnitude	ML
Reference to an origin	86978611
Agency	INGV
Autore	Bollettino Sismico Italiano INGV
Time of creation (UTC)	2021-03-09 12:12:14

Picking and Arrival

SCNL	Time	Uncertainty	Polarity	Evaluation_mode	Phase	Azimuth	Distance(km)	Takeoff_angle	Residual	Weight
IV.TERO.HHZ.	2021-01-22T17:18:52.94	0.3	undecidable	manual	S	132	65.49	50	0.34	65
IV.ARRO.EHZ.	2021-01-22T17:18:49.58	0.6	undecidable	manual	S	202	53.0025	50	0.31	45
IV.ARVD.HHZ.	2021-01-22T17:18:49.65	0.6	undecidable	manual	S	354	53.2023	50	0.32	45
IV.LNSS.HHE.	2021-01-22T17:18:47.49	0.6	undecidable	manual	S	177	46.5201	50	-0.05	48
IV.MTRA.EHE.	2021-01-22T17:18:46.45	0.6	undecidable	manual	S	133	42.9237	50	-0.15	47
IV.CING.HNZ.	2021-01-22T17:18:46.38	0.3	undecidable	manual	S	21	42.0246	50	0.03	73
IV.MF5.EHZ.	2021-01-22T17:18:45.47	0.6	undecidable	manual	S	96	36.6411	50	0.57	43
IV.MGAB.HHN.	2021-01-22T17:18:45.46	0.6	undecidable	manual	P	261	73.9704	50	0.28	43
IV.ATCC.EHN.	2021-01-22T17:18:44.56	0.6	undecidable	manual	S	301	35.1426	103	0.12	48
IV.EL6.EHZ.	2021-01-22T17:18:44.16	0.6	undecidable	manual	S	12	34.9428	103	-0.22	47
IV.FOSV.EHN.	2021-01-22T17:18:44.85	0.3	undecidable	manual	S	326	36.4413	50	-0.01	73
IV.TERO.HHZ.	2021-01-22T17:18:43.96	0.3	undecidable	manual	P	132	65.49	50	0.09	69
IV.ASSB.HHE.	2021-01-22T17:18:42.35	0.3	undecidable	manual	S	275	28.6491	105	0.09	73
IV.MMO1.EHZ.	2021-01-22T17:18:42.36	0.3	undecidable	manual	S	118	29.0487	105	-0.02	74
IV.ARVD.HHZ.	2021-01-22T17:18:42.09	0.6	undecidable	manual	P	354	53.2023	50	0.1	47
IV.GUMA.HHE.	2021-01-22T17:18:42.29	0.3	undecidable	manual	S	80	26.6511	106	0.69	63
IV.ARRO.EHZ.	2021-01-22T17:18:41.58	0.6	undecidable	manual	P	202	53.0025	50	-0.37	44
IV.SMA1.EHE.	2021-01-22T17:18:41.25	0.6	undecidable	manual	P	149	50.7159	50	-0.36	44
IV.NRCA.HNZ.	2021-01-22T17:18:40.36	0.3	undecidable	manual	S	158	22.4553	109	0.15	73
IV.LNSS.HHE.	2021-01-22T17:18:40.60	0.1	undecidable	manual	P	177	46.5201	50	-0.35	90
IV.FOSV.EHN.	2021-01-22T17:18:39.08	0.1	undecidable	manual	P	326	36.4413	50	-0.33	92
IV.MTRA.EHE.	2021-01-22T17:18:39.98	0.1	undecidable	manual	P	133	42.9237	50	-0.43	89
IV.CING.HNZ.	2021-01-22T17:18:39.93	0.3	undecidable	manual	P	21	42.0246	50	-0.34	68
IV.MF5.EHZ.	2021-01-22T17:18:39.53	0.1	undecidable	manual	P	96	36.6411	50	0.1	96
IV.ATCC.EHN.	2021-01-22T17:18:39.05	0.6	undecidable	manual	P	301	35.1426	103	-0.11	48
IV.PF6.EHN.	2021-01-22T17:18:39.32	0.3	undecidable	manual	S	49	19.6692	112	0.01	76
IV.CSP1.EHZ.	2021-01-22T17:18:38.78	0.3	undecidable	manual	S	63	17.5713	114	0.16	74
IV.EL6.EHZ.	2021-01-22T17:18:38.97	0.6	undecidable	manual	P	12	34.9428	103	-0.16	48
IV.GUMA.HHE.	2021-01-22T17:18:37.65	0.1	undecidable	manual	P	80	26.6511	106	0.12	97
IV.ASSB.HHE.	2021-01-22T17:18:37.83	0.1	undecidable	manual	P	275	28.6491	105	-0.08	98
IV.MMO1.EHZ.	2021-01-22T17:18:37.69	0.1	negative	manual	P	118	29.0487	105	-0.28	94
IT.FOPC.HGN.	2021-01-22T17:18:37.58	0.3	undecidable	manual	P	257	25.6521	107	0.26	71
IV.NRCA.HNZ.	2021-01-22T17:18:36.75	0.1	undecidable	manual	P	158	22.4553	109	0.03	100
IV.PF6.EHN.	2021-01-22T17:18:36.10	0.3	undecidable	manual	P	49	19.6692	112	-0.1	74
IV.CESI.HHZ.	2021-01-22T17:18:36.39	0.3	undecidable	manual	S	258	8.7801	132	0.35	72
IV.FEMA.HNE.	2021-01-22T17:18:35.74	0.3	undecidable	manual	S	154	7.2927	137	0.08	76
IV.CSP1.EHZ.	2021-01-22T17:18:35.99	0.3	undecidable	manual	P	63	17.5713	114	0.19	73
IV.FDMO.HHE.	2021-01-22T17:18:35.03	0.3	undecidable	manual	S	75	6.3936	141	-0.43	71
IV.CESI.HHZ.	2021-01-22T17:18:34.67	0.1	undecidable	manual	P	258	8.7801	132	0.36	96
IV.FEMA.HNE.	2021-01-22T17:18:34.27	0.3	undecidable	manual	P	154	7.2927	137	0.17	75
IT.MTCL.HGZ.	2021-01-22T17:18:34.38	0.3	undecidable	manual	S	197	3.1968	158	-0.5	70
IV.FDMO.HHE.	2021-01-22T17:18:33.84	0.3	undecidable	manual	P	75	6.3936	141	-0.14	75
IT.MTCL.HGZ.	2021-01-22T17:18:33.57	0.3	undecidable	manual	P	197	3.1968	158	-0.08	77

Station Magnitude and Amplitude

SCNL	mag	Generic_amplitude	Period	Type	Category	Unit	Time_window_reference
IV.FDMO.HHE.	ML:2.4	0.005374592	0.2816	AML	other	m	2021-01-22T17:18:35.28
IV.FDMO.HHN.	ML:2.2	0.0033742945	0.1664	AML	other	m	2021-01-22T17:18:35.20
IV.CESI.HHN.	ML:2.3	0.0034827025000000005	0.2176	AML	other	m	2021-01-22T17:18:36.52
IV.CESI.HNN.	ML:2.3	0.0033286755000000003	0.2176	AML	other	m	2021-01-22T17:18:36.53
IV.CESI.HHE.	ML:2.1	0.002077176	0.2944	AML	other	m	2021-01-22T17:18:37.11
IV.CESI.HNE.	ML:2.1	0.0019653369999999997	0.32	AML	other	m	2021-01-22T17:18:37.11
IV.CSP1.EHE.	ML:2.4	0.0024850000000000002	0.44	AML	other	m	2021-01-22T17:18:39.26
IV.CSP1.EHN.	ML:2.3	0.00177	1.72	AML	other	m	2021-01-22T17:18:39.94
IV.NRCA.HHN.	ML:2.3	0.0015039275000000001	0.1152	AML	other	m	2021-01-22T17:18:41.02
IV.NRCA.HNN.	ML:2.3	0.0014267135	0.1152	AML	other	m	2021-01-22T17:18:41.02
IV.NRCA.HHE.	ML:2.2	0.00123600135	0.128	AML	other	m	2021-01-22T17:18:42.33
IV.NRCA.HNE.	ML:2.2	0.0011369023499999999	0.128	AML	other	m	2021-01-22T17:18:42.33
IV.GUMA.HNE.	ML:2.6	0.0023315855	0.3072	AML	other	m	2021-01-22T17:18:42.57
IV.GUMA.HHE.	ML:2.9	0.00406	0.26	AML	other	m	2021-01-22T17:18:42.55
IV.GUMA.HHN.	ML:2.6	0.002241932	0.2432	AML	other	m	2021-01-22T17:18:42.52
IV.GUMA.HNN.	ML:2.7	0.0029737555000000004	0.2176	AML	other	m	2021-01-22T17:18:42.53
IV.ASSB.HHN.	ML:2.0	0.000547485	0.4224	AML	other	m	2021-01-22T17:18:42.66
IV.ASSB.HHE.	ML:1.8	0.00029659095	0.2176	AML	other	m	2021-01-22T17:18:43.96
IV.FOSV.EHE.	ML:1.5	0.00011710000000000001	1.6	AML	other	m	2021-01-22T17:18:45.83
IV.FOSV.EHN.	ML:1.6	0.000154	0.28	AML	other	m	2021-01-22T17:18:45.24
IV.ATCC.EHN.	ML:1.8	0.000251	0.36	AML	other	m	2021-01-22T17:18:45.02
IV.EL6.EHE.	ML:2.0	0.00036686175	0.2432	AML	other	m	2021-01-22T17:18:45.59
IV.MF5.EHE.	ML:2.0	0.0003635	1.54	AML	other	m	2021-01-22T17:18:46.03
IV.EL6.EHN.	ML:2.1	0.0005687223	0.2432	AML	other	m	2021-01-22T17:18:46.41
IV.SAP2.EHE.	ML:1.8	0.0003178881	0.2816	AML	other	m	2021-01-22T17:18:46.73
IV.ATCC.EHE.	ML:1.7	0.00022572795	0.2048	AML	other	m	2021-01-22T17:18:47.32
IV.SAP2.EHN.	ML:2.7	0.0023337120000000004	0.2816	AML	other	m	2021-01-22T17:18:47.68
IV.LNSS.HHN.	ML:2.2	0.000502	1.82	AML	other	m	2021-01-22T17:18:47.05
IV.LNSS.HNN.	ML:2.2	0.0005002929499999999	0.1792	AML	other	m	2021-01-22T17:18:48.05
IV.LNSS.HHE.	ML:2.0	0.00030015804999999993	0.1408	AML	other	m	2021-01-22T17:18:48.09
IV.LNSS.HNE.	ML:2.0	0.00029785554999999994	0.1408	AML	other	m	2021-01-22T17:18:48.16
IV.MNTT.EHE.	ML:2.2	0.00045625045	0.1152	AML	other	m	2021-01-22T17:18:48.13
IV.MTRA.HNE.	ML:1.9	0.0002611606	0.2304	AML	other	m	2021-01-22T17:18:48.89
IV.MTRA.EHE.	ML:1.9	0.00024383475	0.2432	AML	other	m	2021-01-22T17:18:48.90
IV.MF5.EHN.	ML:1.9	0.00033360120000000006	0.5888	AML	other	m	2021-01-22T17:18:49.66
IV.ARRO.EHE.	ML:1.8	0.00013871588	0.2816	AML	other	m	2021-01-22T17:18:50.07
IV.MTRA.HNN.	ML:2.0	0.00028284809999999997	0.3456	AML	other	m	2021-01-22T17:18:50.28
IV.MTRA.EHN.	ML:2.0	0.0002883586	0.3456	AML	other	m	2021-01-22T17:18:50.30
IV.ARVD.HHN.	ML:1.5	0.000073499665	0.1792	AML	other	m	2021-01-22T17:18:50.74
IV.ARVD.HHE.	ML:1.6	0.00010714999999999999	1.42	AML	other	m	2021-01-22T17:18:50.24
IV.SMA1.EHE.	ML:2.0	0.000255	0.42	AML	other	m	2021-01-22T17:18:52.93
IV.TERO.HNE.	ML:1.7	0.00008761478999999999	0.2688	AML	other	m	2021-01-22T17:18:53.24
IV.TERO.HHE.	ML:1.6	0.0000703	0.26	AML	other	m	2021-01-22T17:18:53.11
IV.ARRO.EHN.	ML:1.7	0.0001288	0.2	AML	other	m	2021-01-22T17:18:53.34
IV.MNTT.EHN.	ML:2.1	0.00035248479999999997	0.3584	AML	other	m	2021-01-22T17:18:53.47
IV.TERO.HHN.	ML:1.6	0.00008130202	0.1152	AML	other	m	2021-01-22T17:18:53.98
IV.SMA1.EHN.	ML:1.9	0.00020872015	0.4608	AML	other	m	2021-01-22T17:18:54.09
IV.TERO.HNN.	ML:2.1	0.00022728819999999998	0.9728	AML	other	m	2021-01-22T17:18:58.55

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 2.1 on date 22-01-2021 and time 17:18:31 (UTC) in region 3 km N Monte Cavallo (MC)

Municipalities within 20 km from the epicenter

Municipalities with at least 50000 inhabitants

Origin

Uncertainty

Quality

ML:2.1