Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 01-01-2020 and time 07:17:44 (Italy) in region 4 km NW Cittareale (RI)

A magnitude ML 1.2 earthquake occured in region: 4 km NW Cittareale (RI), on

  • 01-01-2020 06:17:44 (UTC)
  • 01-01-2020 07:17:44 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6450, 13.1270 at 10 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.

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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 4 482 482
Accumoli RI 11 667 1149
Cascia PG 12 3217 4366
Amatrice RI 13 2657 7023
Posta RI 14 694 7717
Monteleone di Spoleto PG 14 599 8316
Borbona RI 15 617 8933
Leonessa RI 16 2435 11368
Montereale AQ 17 2581 13949
Norcia PG 17 4957 18906
Poggiodomo PG 17 117 19023
Capitignano AQ 20 665 19688
Arquata del Tronto AP 20 1178 20866

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km NW of L'Aquila (69753 inhabitants)
40 Km E of Terni (111501 inhabitants)
47 Km W of Teramo (54892 inhabitants)
49 Km SE of Foligno (57155 inhabitants)
79 Km NE of Guidonia Montecelio (88673 inhabitants)
79 Km SE of Perugia (166134 inhabitants)
80 Km NE of Tivoli (56533 inhabitants)
85 Km W of Montesilvano (53738 inhabitants)
87 Km E of Viterbo (67173 inhabitants)
91 Km W of Pescara (121014 inhabitants)
91 Km W of Chieti (51815 inhabitants)
99 Km NE of Roma (2864731 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 1.2 2020-01-01
06:17:44		 42.6452 13.1268 10 2020-01-01
06:22:12		 Sala Sismica INGV-Roma 75160101
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-01-01 06:17:44 ± 0.08
Latitude 42.6452 ± 0.0045
Longitude 13.1268 ± 0.0049
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 75160101

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 415
Semi-minor axis of confidence ellipse (meter) 306
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 207
Circular confidence region, given by single value of horizontal uncertainty (meter) 420.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 81
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.07644
Epicentral distance of station farthest from the epicenter (degree) 0.29318
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 75160101
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-01-01 06:22:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MMO1.EHZ. 2020-01-01T06:17:55.96 0.6 undecidable manual S 30 32.5452 50 0.09 48
IV.GAVE.EHZ. 2020-01-01T06:17:52.05 0.6 undecidable manual S 285 19.6692 117 -0.16 49
IV.NRCA.HHZ. 2020-01-01T06:17:52.41 0.6 undecidable manual S 357 20.9679 116 -0.18 48
IV.SMA1.EHZ. 2020-01-01T06:17:51.47 0.6 undecidable manual S 95 17.0718 121 0.05 50
IV.MMO1.EHZ. 2020-01-01T06:17:50.99 0.6 positive manual P 30 32.5452 50 -0.09 48
IV.RM33.EHZ. 2020-01-01T06:17:50.95 0.6 undecidable manual S 155 16.6722 121 -0.36 47
IV.NRCA.HHZ. 2020-01-01T06:17:49.16 1.0 undecidable manual P 357 20.9679 116 -0.02 25
IV.LNSS.HHZ. 2020-01-01T06:17:49.35 0.6 undecidable manual S 236 8.4804 140 0.24 49
IV.RM33.EHZ. 2020-01-01T06:17:48.33 0.6 undecidable manual P 155 16.6722 121 -0.11 49
IV.SMA1.EHZ. 2020-01-01T06:17:48.65 0.1 negative manual P 95 17.0718 121 0.15 98
IV.GAVE.EHZ. 2020-01-01T06:17:48.97 0.1 positive manual P 285 19.6692 117 0.01 100
IV.LNSS.HHZ. 2020-01-01T06:17:47.35 0.6 undecidable manual P 236 8.4804 140 0.18 49
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HHE. ML:1.3 0.00027550000000000003 0.08 AML other m 2020-01-01T06:17:49.62
IV.LNSS.HHN. ML:1.1 0.0001645 0.12 AML other m 2020-01-01T06:17:50.12
IV.RM33.EHE. ML:0.9 0.0000717 0.54 AML other m 2020-01-01T06:17:51.14
IV.RM33.EHN. ML:1.0 0.0000785 0.2 AML other m 2020-01-01T06:17:51.23
IV.SMA1.EHE. ML:1.5 0.00028700000000000004 0.26 AML other m 2020-01-01T06:17:51.84
IV.SMA1.EHN. ML:1.3 0.0001535 0.26 AML other m 2020-01-01T06:17:51.85
IV.NRCA.HHN. ML:1.3 0.000132 0.1 AML other m 2020-01-01T06:17:52.65
IV.NRCA.HHE. ML:1.4 0.000185 0.16 AML other m 2020-01-01T06:17:52.73
IV.GAVE.EHN. ML:1.0 0.00007974999999999999 0.52 AML other m 2020-01-01T06:17:52.69
IV.GAVE.EHE. ML:1.2 0.0001026 0.26 AML other m 2020-01-01T06:17:52.73
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