Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 10-03-2020 and time 08:06:17 (UTC) in region 1 km SE Cittareale (RI)

A magnitude ML 1.4 earthquake occured in region: 1 km SE Cittareale (RI), on

  • 10-03-2020 08:06:17 (UTC)
  • 10-03-2020 09:06:17 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6110, 13.1680 at 13 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 1 482 482
Amatrice RI 10 2657 3139
Posta RI 11 694 3833
Borbona RI 11 617 4450
Montereale AQ 12 2581 7031
Accumoli RI 12 667 7698
Capitignano AQ 15 665 8363
Cagnano Amiterno AQ 17 1369 9732
Cascia PG 17 3217 12949
Leonessa RI 18 2435 15384
Campotosto AQ 18 542 15926
Monteleone di Spoleto PG 18 599 16525
Micigliano RI 20 127 16652
Barete AQ 20 737 17389

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km NW of L'Aquila (69753 inhabitants)
43 Km E of Terni (111501 inhabitants)
44 Km W of Teramo (54892 inhabitants)
54 Km SE of Foligno (57155 inhabitants)
77 Km NE of Guidonia Montecelio (88673 inhabitants)
78 Km NE of Tivoli (56533 inhabitants)
81 Km W of Montesilvano (53738 inhabitants)
84 Km SE of Perugia (166134 inhabitants)
87 Km W of Chieti (51815 inhabitants)
87 Km W of Pescara (121014 inhabitants)
90 Km E of Viterbo (67173 inhabitants)
98 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 1.4 2020-03-10
08:06:17		 42.6107 13.1677 13 2020-03-10
08:28:03		 Sala Sismica INGV-Roma 77166681
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-03-10 08:06:17 ± 0.18
Latitude 42.6107 ± 0.0054
Longitude 13.1677 ± 0.0086
Depth (km) 13 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 77166681

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 624
Semi-minor axis of confidence ellipse (meter) 567
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 243
Circular confidence region, given by single value of horizontal uncertainty (meter) 620.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 104
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.32106
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 4
Type of magnitude ML
Reference to an origin 77166681
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-03-10 08:28:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FOSV.EHZ. 2020-03-10T08:06:42.81 3.0 undecidable manual S -0.01 0
IV.MTRA.EHZ. 2020-03-10T08:06:26.09 0.6 undecidable manual S 49 24.753 101 -0.41 45
IV.NRCA.HHZ. 2020-03-10T08:06:26.46 0.6 undecidable manual S 350 25.1526 101 -0.14 48
IV.TERO.HHZ. 2020-03-10T08:06:24.24 0.6 positive manual P 88 35.6421 96 -0.07 48
IV.SMA1.EHE. 2020-03-10T08:06:23.83 0.6 undecidable manual S 81 13.875 120 0.07 50
IV.MTRA.EHZ. 2020-03-10T08:06:22.67 0.1 undecidable manual P 49 24.753 101 0.03 99
IV.LNSS.HHZ. 2020-03-10T08:06:22.81 0.6 undecidable manual S 265 10.3785 132 -0.2 49
IV.NRCA.HHZ. 2020-03-10T08:06:22.77 0.3 negative manual P 350 25.1526 101 0.07 74
IV.RM33.EHZ. 2020-03-10T08:06:22.97 0.6 undecidable manual S 161 11.877 126 -0.35 48
IV.SMA1.EHE. 2020-03-10T08:06:21.37 0.1 undecidable manual P 81 13.875 120 0.31 95
IV.CAMP.HHE. 2020-03-10T08:06:21.97 0.1 undecidable manual P 113 21.3675 104 -0.17 97
IV.LNSS.HHZ. 2020-03-10T08:06:20.73 0.1 positive manual P 265 10.3785 132 0.1 99
IV.RM33.EHZ. 2020-03-10T08:06:20.84 0.1 undecidable manual P 161 11.877 126 0.03 100
IV.T1299.HNZ. 2020-03-10T08:06:20.72 0.1 undecidable manual P 74 9.6792 134 0.17 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HHE. ML:1.5 0.00034399999999999996 1.66 AML other m 2020-03-10T08:06:22.07
IV.LNSS.HHN. ML:1.6 0.00040300000000000004 0.14 AML other m 2020-03-10T08:06:22.97
IV.RM33.EHN. ML:1.3 0.000184 0.24 AML other m 2020-03-10T08:06:23.17
IV.RM33.EHE. ML:1.0 0.00008655 0.58 AML other m 2020-03-10T08:06:23.06
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