Earthquake with magnitude of ML 0.5 on date 01-01-2022 and time 18:45:55 (UTC) in region 7 km W Arquata del Tronto (AP)

A magnitude ML 0.5 earthquake occured in region: 7 km W Arquata del Tronto (AP), on

  • 01-01-2022 18:45:55 (UTC)
  • 01-01-2022 19:45:55 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7600, 13.2080 at 16 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Arquata del Tronto AP 8 1178 1178
Accumoli RI 8 667 1845
Norcia PG 10 4957 6802
Montegallo AP 14 523 7325
Castelsantangelo sul Nera MC 16 281 7606
Amatrice RI 16 2657 10263
Cittareale RI 16 482 10745
Cascia PG 17 3217 13962
Acquasanta Terme AP 17 2916 16878
Montemonaco AP 18 604 17482
Preci PG 19 724 18206

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km W of Teramo (54892 inhabitants)
47 Km E of Foligno (57155 inhabitants)
48 Km NW of L'Aquila (69753 inhabitants)
51 Km E of Terni (111501 inhabitants)
77 Km SE of Perugia (166134 inhabitants)
82 Km W of Montesilvano (53738 inhabitants)
89 Km W of Pescara (121014 inhabitants)
91 Km NW of Chieti (51815 inhabitants)
93 Km NE of Guidonia Montecelio (88673 inhabitants)
95 Km NE of Tivoli (56533 inhabitants)
98 Km E of Viterbo (67173 inhabitants)
99 Km S of Ancona (100861 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Reviewed
Rev100
ML 0.5 2022-01-01
18:45:55
42.76 13.2078 16 2022-01-01
18:59:43
Sala Sismica INGV-Roma 99230451
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-01-01 18:45:55 ± 0.16
Latitude 42.7600 ± 0.0063
Longitude 13.2078 ± 0.0098
Depth (km) 16 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 99230451

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 854
Semi-minor axis of confidence ellipse (meter) 219
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 244
Circular confidence region, given by single value of horizontal uncertainty (meter) 850.0
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 23
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.48114
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 9
Magnitude information

ML:0.5

Field Value
Value 0.5
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 99230451
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-01-01 18:59:43
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.GSCL.HHZ. 2022-01-01T18:46:59.48 3.0 undecidable manual Sg 6.35 0
OT.OT17.EHZ. 2022-01-01T18:46:50.30 3.0 undecidable manual Sn 0.54 0
IV.FRON.EHZ. 2022-01-01T18:46:19.56 3.0 undecidable manual Sg 3.39 0
IV.TST01.HHZ. 2022-01-01T18:46:13.40 3.0 positive manual Pn -1.71 0
IV.RSM2.HHZ. 2022-01-01T18:46:12.61 3.0 undecidable manual Pg 1.8 0
IV.CSP1.EHZ. 2022-01-01T18:46:08.09 0.6 undecidable manual S 360 36.8298 101 0.16 49
IV.CESI.HHZ. 2022-01-01T18:46:08.37 0.6 undecidable manual S 318 36.741 101 0.46 45
IV.TERO.HHZ. 2022-01-01T18:46:07.51 0.6 undecidable manual S 115 35.742 102 -0.14 48
IV.CESX.HHZ. 2022-01-01T18:46:04.70 0.1 undecidable manual P 252 53.4021 97 -0.51 87
IV.SNTG.HHZ. 2022-01-01T18:46:04.02 3.0 undecidable manual S 0
IV.MC2.EHZ. 2022-01-01T18:46:03.00 0.6 undecidable manual S 355 16.872 123 0.06 51
IV.CSP1.EHZ. 2022-01-01T18:46:03.00 0.1 undecidable manual P 360 36.8298 101 0.31 95
IV.SMA1.EHZ. 2022-01-01T18:46:03.46 0.6 undecidable manual S 144 17.7711 121 0.33 49
IV.MMO1.EHZ. 2022-01-01T18:46:02.41 0.3 undecidable manual S 32 18.2706 120 -0.84 59
IV.CESI.HHZ. 2022-01-01T18:46:02.49 0.1 undecidable manual P 318 36.741 101 -0.18 96
IV.TERO.HHZ. 2022-01-01T18:46:02.90 1.0 undecidable manual P 115 35.742 102 0.37 24
IV.NRCA.HNZ. 2022-01-01T18:46:01.57 0.6 undecidable manual S 317 11.1777 137 -0.19 51
IV.LNSS.HNZ. 2022-01-01T18:46:00.37 0.1 undecidable manual P 218 22.1556 113 -0.16 99
IV.SNTG.HHZ. 2022-01-01T18:46:00.79 3.0 undecidable manual P -0.71 0
IV.MC2.EHZ. 2022-01-01T18:46:00.01 1.0 undecidable manual P 355 16.872 123 0.2 25
IV.SMA1.EHZ. 2022-01-01T18:46:00.43 0.3 undecidable manual P 144 17.7711 121 0.51 71
IV.NRCA.HNZ. 2022-01-01T18:45:59.36 0.1 undecidable manual P 317 11.1777 137 0.23 100
IV.MMO1.EHZ. 2022-01-01T18:45:59.84 0.6 negative manual P 32 18.2706 120 -0.14 50
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MMO1.EHE. ML:0.6 0.0000238550425 0.1408 AML other m 2022-01-01T18:46:02.53
IV.MMO1.EHN. ML:0.6 0.000029034069999999995 0.1024 AML other m 2022-01-01T18:46:02.28
IV.SMA1.EHE. ML:0.3 0.000016118162999999996 0.1408 AML other m 2022-01-01T18:46:04.18
IV.SMA1.EHN. ML:0.3 0.000015069823999999998 0.1408 AML other m 2022-01-01T18:46:03.53
IV.SNTG.HHE. ML:0.4 0.000003922143 0.1408 AML other m 2022-01-01T18:46:04.55
IV.SNTG.HHN. ML:0.4 0.00000571692 0.0896 AML other m 2022-01-01T18:46:04.62
IV.TERO.HHN. ML:0.4 0.0000114676815 0.0768 AML other m 2022-01-01T18:46:07.92
IV.TERO.HNE. ML:1.6 0.000127704805 1.9584 AML other m 2022-01-01T18:46:14.51
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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