Earthquake with magnitude of ML 0.7 on date 17-01-2021 and time 05:10:48 (UTC) in region 3 km S Preci (PG)

A magnitude ML 0.7 earthquake occured in region: 3 km S Preci (PG), on

  • 17-01-2021 05:10:48 (UTC)
  • 17-01-2021 06:10:48 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8550, 13.0430 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Preci PG 3 724 724
Norcia PG 8 4957 5681
Visso MC 9 1107 6788
Castelsantangelo sul Nera MC 10 281 7069
Sellano PG 10 1079 8148
Cerreto di Spoleto PG 11 1075 9223
Ussita MC 13 444 9667
Cascia PG 15 3217 12884
Monte Cavallo MC 16 145 13029
Vallo di Nera PG 17 364 13393
Poggiodomo PG 18 117 13510

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km E of Foligno (57155 inhabitants)
46 Km NE of Terni (111501 inhabitants)
58 Km W of Teramo (54892 inhabitants)
60 Km E of Perugia (166134 inhabitants)
63 Km NW of L'Aquila (69753 inhabitants)
91 Km NE of Viterbo (67173 inhabitants)
93 Km SW of Ancona (100861 inhabitants)
98 Km W of Montesilvano (53738 inhabitants)
98 Km N of Guidonia Montecelio (88673 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 0.7 2021-01-17
05:10:48
42.855 13.0428 10 2021-01-17
06:23:09
Sala Sismica INGV-Roma 86321221
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-01-17 05:10:48 ± 0.22
Latitude 42.8550 ± 0.0063
Longitude 13.0428 ± 0.0086
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 86321221

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 822
Semi-minor axis of confidence ellipse (meter) 298
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 44
Circular confidence region, given by single value of horizontal uncertainty (meter) 820.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 214
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 9
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) 0.21314
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 5
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 86321221
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-01-17 06:23:09
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.BSSO.HHZ. 2021-01-17T05:11:35.84 3.0 undecidable manual Sg 0.08 0
IV.FDMO.HHZ. 2021-01-17T05:10:56.34 0.3 undecidable manual S 10 20.4684 116 -0.17 72
IV.CESI.HHZ. 2021-01-17T05:10:56.45 0.3 undecidable manual S 326 20.0688 116 0.06 73
IV.MC2.EHZ. 2021-01-17T05:10:54.57 0.1 undecidable manual S 62 13.4754 127 0.15 97
IV.FDMO.HHZ. 2021-01-17T05:10:53.08 0.1 undecidable manual P 10 20.4684 116 -0.09 97
IV.CESI.HHZ. 2021-01-17T05:10:53.15 0.3 undecidable manual P 326 20.0688 116 0.05 74
IV.MMO1.EHZ. 2021-01-17T05:10:53.55 0.1 undecidable manual P 78 23.6541 113 -0.2 94
IV.MC2.EHZ. 2021-01-17T05:10:52.22 0.1 undecidable manual P 62 13.4754 127 0.25 95
IV.NRCA.HHZ. 2021-01-17T05:10:52.56 0.1 undecidable manual S 112 6.2937 148 -0.14 99
IV.NRCA.HHZ. 2021-01-17T05:10:51.04 0.1 undecidable manual P 112 6.2937 148 0.07 100
IV.MTRA.HNZ. 2021-01-17T05:10:49.76 3.0 undecidable manual P -1.59 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:0.8 0.00008895000000000001 0.16 AML other m 2021-01-17T05:10:52.87
IV.NRCA.HHE. ML:0.7 0.00007350000000000001 1.24 AML other m 2021-01-17T05:10:52.31
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