Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 01-02-2022 and time 17:46:31 (Italy) in region 5 km E Cittareale (RI)

A magnitude ML 1.6 earthquake occured in region: 5 km E Cittareale (RI), on

  • 01-02-2022 16:46:31 (UTC)
  • 01-02-2022 17:46:31 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6240, 13.2240 at 12 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
Cittareale RI 5 482 482
Amatrice RI 5 2657 3139
Accumoli RI 8 667 3806
Montereale AQ 11 2581 6387
Capitignano AQ 13 665 7052
Campotosto AQ 14 542 7594
Borbona RI 14 617 8211
Posta RI 15 694 8905
Arquata del Tronto AP 18 1178 10083
Cagnano Amiterno AQ 18 1369 11452
Barete AQ 20 737 12189

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km NW of L'Aquila (69753 inhabitants)
40 Km W of Teramo (54892 inhabitants)
48 Km E of Terni (111501 inhabitants)
56 Km SE of Foligno (57155 inhabitants)
77 Km W of Montesilvano (53738 inhabitants)
80 Km NE of Guidonia Montecelio (88673 inhabitants)
81 Km NE of Tivoli (56533 inhabitants)
83 Km W of Pescara (121014 inhabitants)
83 Km W of Chieti (51815 inhabitants)
87 Km SE of Perugia (166134 inhabitants)
94 Km E of Viterbo (67173 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 1.6 2022-02-01
16:46:31		 42.6237 13.2235 12 2022-07-08
12:33:26		 Bollettino Sismico Italiano INGV 100526741
Reviewed
Rev100 		ML 1.6 2022-02-01
16:46:31		 42.6173 13.222 13 2022-02-01
16:54:23		 Sala Sismica INGV-Roma 100492371
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-02-01 16:46:31 ± 0.05
Latitude 42.6237 ± 0.0027
Longitude 13.2235 ± 0.0037
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 100526741

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 310
Semi-minor axis of confidence ellipse (meter) 145
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 356
Circular confidence region, given by single value of horizontal uncertainty (meter) 310.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 69
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.46855
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 34
Type of magnitude ML
Reference to an origin 100526741
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-02-02 11:02:57

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 32
Type of magnitude ML
Reference to an origin 100492371
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-02-01 16:54:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SAP2.EHN. 2022-02-01T16:46:50.13 3.0 undecidable manual S 0.42 0
IV.CSP1.EHZ. 2022-02-01T16:46:48.25 0.3 undecidable manual S 358 52.0035 91 0.47 66
IV.MMO1.EHZ. 2022-02-01T16:46:42.33 0.3 undecidable manual S 15 31.746 92 -0.05 71
IV.MC2.EHZ. 2022-02-01T16:46:42.80 0.6 undecidable manual S 355 32.0457 92 0.34 47
IV.GAVE.EHZ. 2022-02-01T16:46:41.28 0.3 undecidable manual S 286 27.9498 92 -0.08 72
IV.CSP1.EHZ. 2022-02-01T16:46:41.02 0.3 undecidable manual P 358 52.0035 91 0.14 70
IV.TERO.HHZ. 2022-02-01T16:46:41.81 0.3 undecidable manual S 90 31.0467 92 -0.39 68
IV.NRCA.HHZ. 2022-02-01T16:46:40.09 0.3 undecidable manual S 339 24.9528 93 -0.48 65
IV.FIAM.HNN. 2022-02-01T16:46:39.19 0.3 undecidable manual P 192 40.4262 91 0.1 71
MN.AQU.HNN. 2022-02-01T16:46:38.36 0.3 undecidable manual P 154 33.3444 92 0.34 68
IV.CAMP.HHZ. 2022-02-01T16:46:38.60 0.6 undecidable manual S 123 17.9709 97 -0.12 49
IV.ARRO.EHZ. 2022-02-01T16:46:38.58 0.3 undecidable manual P 263 37.7289 91 -0.1 71
IV.MTRA.EHZ. 2022-02-01T16:46:38.98 0.3 undecidable manual S 44 20.4684 95 -0.38 68
IV.MMO1.EHZ. 2022-02-01T16:46:37.72 0.3 undecidable manual P 15 31.746 92 -0.04 72
IV.LNSS.HHZ. 2022-02-01T16:46:37.93 0.3 undecidable manual S 261 15.1737 103 -0.04 75
IV.MC2.EHZ. 2022-02-01T16:46:37.88 0.1 undecidable manual P 355 32.0457 92 0.07 98
IV.GAVE.EHZ. 2022-02-01T16:46:37.12 0.1 positive manual P 286 27.9498 92 -0.05 97
IV.TERO.HHZ. 2022-02-01T16:46:37.54 0.1 undecidable manual P 90 31.0467 92 -0.12 96
IV.RM33.EHZ. 2022-02-01T16:46:37.22 0.1 undecidable manual S 183 12.7761 112 -0.14 100
IV.NRCA.HHZ. 2022-02-01T16:46:36.60 0.1 undecidable manual P 339 24.9528 93 -0.11 96
IV.SMA1.EHZ. 2022-02-01T16:46:36.63 0.1 undecidable manual S 85 9.1797 128 0.1 100
IV.MTRA.EHZ. 2022-02-01T16:46:35.92 0.3 undecidable manual P 44 20.4684 95 -0.1 73
IV.LNSS.HHZ. 2022-02-01T16:46:35.29 0.1 positive manual P 261 15.1737 103 0.08 100
IV.CAMP.HHZ. 2022-02-01T16:46:35.68 0.3 undecidable manual P 123 17.9709 97 0.03 75
IV.SMA1.EHZ. 2022-02-01T16:46:34.69 0.1 negative manual P 85 9.1797 128 0.31 96
IV.RM33.EHZ. 2022-02-01T16:46:34.99 0.1 positive manual P 183 12.7761 112 0.13 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHE. ML:2.0 0.0013540000000000002 0.26 AML other m 2022-02-01T16:46:36.99
IV.SMA1.EHN. ML:1.9 0.0009174522000000001 1.7568 AML other m 2022-02-01T16:46:37.00
IV.RM33.EHN. ML:1.7 0.0005185 0.2 AML other m 2022-02-01T16:46:37.46
IV.RM33.HNN. ML:1.7 0.00055 0.2 AML other m 2022-02-01T16:46:37.46
IV.RM33.EHE. ML:1.6 0.0003865 0.14 AML other m 2022-02-01T16:46:37.74
IV.LNSS.HNE. ML:1.2 0.0001377991 0.1536 AML other m 2022-02-01T16:46:38.12
IV.RM33.HNE. ML:1.6 0.00041400000000000003 1.08 AML other m 2022-02-01T16:46:38.67
IV.LNSS.HHN. ML:1.3 0.00016665245 0.1536 AML other m 2022-02-01T16:46:38.57
IV.LNSS.HHE. ML:1.3 0.00017142335 0.1408 AML other m 2022-02-01T16:46:38.68
IV.MTRA.EHN. ML:1.8 0.00044780325 0.2432 AML other m 2022-02-01T16:46:39.35
IV.MTRA.HNN. ML:1.8 0.0004914593 0.2432 AML other m 2022-02-01T16:46:39.48
IV.MTRA.EHE. ML:1.8 0.00043266725 1.7056 AML other m 2022-02-01T16:46:40.96
IV.MTRA.HNE. ML:1.8 0.0004538798000000001 1.6928 AML other m 2022-02-01T16:46:40.96
IV.MMO1.HNE. ML:3.0 0.005108862999999999 0.512 AML other m 2022-02-01T16:46:40.51
IV.NRCA.HHN. ML:1.4 0.00013347910000000002 0.1152 AML other m 2022-02-01T16:46:40.62
IV.NRCA.HHE. ML:1.7 0.00028100000000000005 0.1 AML other m 2022-02-01T16:46:40.63
IV.NRCA.HNE. ML:1.7 0.00030177765 0.1152 AML other m 2022-02-01T16:46:40.68
IV.LNSS.HNN. ML:1.2 0.00015657845 0.2816 AML other m 2022-02-01T16:46:40.74
IV.CSP1.EHE. ML:2.0 0.00027316155 0.2656 AML other m 2022-02-01T16:46:41.49
IV.GAVE.HNN. ML:1.5 0.00015135070000000001 0.576 AML other m 2022-02-01T16:46:41.51
IV.GAVE.EHN. ML:1.4 0.000142638605 0.1792 AML other m 2022-02-01T16:46:41.93
IV.GAVE.HNE. ML:1.6 0.00021918009999999998 0.1408 AML other m 2022-02-01T16:46:41.87
IV.GAVE.EHE. ML:1.6 0.0001995 0.16 AML other m 2022-02-01T16:46:41.95
IV.MMO1.EHN. ML:1.3 0.00009265526 0.1792 AML other m 2022-02-01T16:46:42.69
IV.MMO1.EHE. ML:1.2 0.00007466710999999999 0.192 AML other m 2022-02-01T16:46:42.60
IV.TERO.HHE. ML:1.2 0.0000658236 0.0768 AML other m 2022-02-01T16:46:42.82
IV.MMO1.HNN. ML:3.1 0.0063340915 0.6912 AML other m 2022-02-01T16:46:43.98
IV.MC2.EHN. ML:1.7 0.00020988089999999997 0.3456 AML other m 2022-02-01T16:46:44.37
IV.MC2.EHE. ML:1.5 0.0001277228 1.6544 AML other m 2022-02-01T16:46:44.98
IV.NRCA.HNN. ML:1.6 0.00020397709000000004 0.6272 AML other m 2022-02-01T16:46:45.17
IV.TERO.HNE. ML:1.4 0.00011339198500000001 0.576 AML other m 2022-02-01T16:46:50.52
IV.TERO.HHN. ML:1.3 0.00009310941000000001 1.2032 AML other m 2022-02-01T16:46:51.67
IV.TERO.HNN. ML:1.4 0.00012518190000000002 0.576 AML other m 2022-02-01T16:46:51.26
IV.CSP1.EHN. ML:2.0 0.00022816555 0.0032 AML other m 2022-02-01T16:47:02.16
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