Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 22-01-2022 and time 21:15:49 (UTC) in region 2 km NE Ussita (MC)

A magnitude ML 1.0 earthquake occured in region: 2 km NE Ussita (MC), on

  • 22-01-2022 21:15:49 (UTC)
  • 22-01-2022 22:15:49 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9580, 13.1530 at 9 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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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Ussita MC 2 444 444
Visso MC 6 1107 1551
Castelsantangelo sul Nera MC 7 281 1832
Bolognola MC 7 142 1974
Acquacanina MC 8 121 2095
Fiastra MC 9 559 2654
Fiordimonte MC 10 202 2856
Preci PG 13 724 3580
Pieve Torina MC 13 1458 5038
Pievebovigliana MC 13 866 5904
Monte Cavallo MC 13 145 6049
Sarnano MC 15 3264 9313
Montefortino FM 16 1178 10491
Montemonaco AP 16 604 11095
Muccia MC 17 915 12010
Amandola FM 17 3629 15639
Norcia PG 19 4957 20596
Cessapalombo MC 19 512 21108
Gualdo MC 19 815 21923
Montegallo AP 20 523 22446
Sellano PG 20 1079 23525

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km E of Foligno (57155 inhabitants)
56 Km NW of Teramo (54892 inhabitants)
60 Km NE of Terni (111501 inhabitants)
64 Km E of Perugia (166134 inhabitants)
70 Km N of L'Aquila (69753 inhabitants)
79 Km SW of Ancona (100861 inhabitants)
95 Km NW of Montesilvano (53738 inhabitants)
99 Km S of Fano (60888 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
Bulletin
Rev1000 		ML 1.0 2022-01-22
21:15:49		 42.958 13.1533 9 2022-07-08
12:33:26		 Bollettino Sismico Italiano INGV 100577651
Reviewed
Rev100 		ML 0.9 2022-01-22
21:15:50		 42.9607 13.1518 6 2022-01-22
21:28:45		 Sala Sismica INGV-Roma 100064101
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-01-22 21:15:49 ± 0.08
Latitude 42.9580 ± 0.0036
Longitude 13.1533 ± 0.0049
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 100577651

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 430
Semi-minor axis of confidence ellipse (meter) 160
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 212
Circular confidence region, given by single value of horizontal uncertainty (meter) 430.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 80
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 24
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) 0.05306
Epicentral distance of station farthest from the epicenter (degree) 0.26890
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.1
Num. used stations 8
Type of magnitude ML
Reference to an origin 100577651
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-02-03 22:15:44

ML:0.9

Field Value
Value 0.9
Uncertainty 0.1
Num. used stations 8
Type of magnitude ML
Reference to an origin 100064101
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-01-22 21:28:45
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MTRA.EHE. 2022-01-22T21:16:00.55 0.3 undecidable manual S 138 29.8479 50 -0.14 71
IV.MF5.EHZ. 2022-01-22T21:15:59.95 0.6 undecidable manual S 82 25.0527 110 0.83 39
IV.MML1.HNE. 2022-01-22T21:15:58.22 0.3 undecidable manual S 320 22.6551 112 -0.13 72
IV.GUMA.HNN. 2022-01-22T21:15:57.29 0.6 undecidable manual S 52 18.7701 116 0.18 48
IV.CESI.HHZ. 2022-01-22T21:15:57.97 0.3 undecidable manual S 285 20.868 114 0.2 71
IV.MMO1.EHZ. 2022-01-22T21:15:56.00 0.3 undecidable manual S 115 15.4734 121 -0.11 73
IV.CSP1.EHZ. 2022-01-22T21:15:55.97 0.3 undecidable manual S 16 15.3735 121 -0.12 73
IV.MF5.EHZ. 2022-01-22T21:15:55.71 0.1 undecidable manual P 82 25.0527 110 0.51 88
IV.MTRA.EHE. 2022-01-22T21:15:55.92 0.1 undecidable manual P 138 29.8479 50 -0.18 94
IT.MTCL.HGZ. 2022-01-22T21:15:55.44 0.3 undecidable manual S 288 13.0758 125 0.02 75
IV.NRCA.HHZ. 2022-01-22T21:15:55.84 0.3 undecidable manual S 193 14.1747 123 0.13 73
IV.MML1.HNE. 2022-01-22T21:15:54.55 0.3 undecidable manual P 320 22.6551 112 -0.21 71
IV.CESI.HHZ. 2022-01-22T21:15:54.47 0.1 positive manual P 285 20.868 114 0.05 98
IV.FEMA.HNN. 2022-01-22T21:15:54.18 0.3 undecidable manual S 273 8.3805 138 -0.01 76
IV.FDMO.HHZ. 2022-01-22T21:15:54.59 0.3 undecidable manual S 328 10.1787 132 -0.04 75
IV.MC2.EHZ. 2022-01-22T21:15:53.23 0.3 undecidable manual S 151 5.8941 147 -0.43 70
IT.MTCL.HGZ. 2022-01-22T21:15:53.49 0.1 undecidable manual P 288 13.0758 125 0.43 92
IV.NRCA.HHZ. 2022-01-22T21:15:53.35 0.1 undecidable manual P 193 14.1747 123 0.11 98
IV.GUMA.HNN. 2022-01-22T21:15:53.62 0.6 undecidable manual P 52 18.7701 116 -0.42 45
IV.CSP1.EHZ. 2022-01-22T21:15:53.29 0.1 positive manual P 16 15.3735 121 -0.16 96
IV.MMO1.EHZ. 2022-01-22T21:15:53.51 0.1 positive manual P 115 15.4734 121 0.04 99
IV.FDMO.HHZ. 2022-01-22T21:15:52.43 0.1 undecidable manual P 328 10.1787 132 -0.18 97
IV.FEMA.HNN. 2022-01-22T21:15:52.40 0.1 undecidable manual P 273 8.3805 138 0.04 100
IV.MC2.EHZ. 2022-01-22T21:15:51.85 0.1 negative manual P 151 5.8941 147 -0.19 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHN. ML:1.1 0.00015000000000000001 1.4 AML other m 2022-01-22T21:15:54.27
IV.FDMO.HHE. ML:0.9 0.000117 0.74 AML other m 2022-01-22T21:15:55.19
IV.MMO1.EHE. ML:1.0 0.00008695 1.22 AML other m 2022-01-22T21:15:56.37
IV.NRCA.HHE. ML:1.0 0.00009995000000000002 0.1 AML other m 2022-01-22T21:15:56.46
IV.MMO1.EHN. ML:0.9 0.00007465 1.22 AML other m 2022-01-22T21:15:56.80
IV.NRCA.HHN. ML:0.9 0.0000885 0.84 AML other m 2022-01-22T21:15:57.39
IV.CESI.HHN. ML:1.2 0.00010600000000000002 0.28 AML other m 2022-01-22T21:15:58.54
IV.CESI.HHE. ML:0.9 0.00005855000000000001 0.84 AML other m 2022-01-22T21:15:58.56
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download