Earthquake with magnitude of ML 0.4 on date 01-01-2021 and time 12:57:36 (Italy) in region 3 km NE Preci (PG)

A magnitude ML 0.4 earthquake occured in region: 3 km NE Preci (PG), on

  • 01-01-2021 11:57:36 (UTC)
  • 01-01-2021 12:57:36 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8990, 13.0700 at 11 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
Visso MC 4 1107 1831
Castelsantangelo sul Nera MC 7 281 2112
Ussita MC 8 444 2556
Sellano PG 12 1079 3635
Norcia PG 12 4957 8592
Monte Cavallo MC 12 145 8737
Cerreto di Spoleto PG 15 1075 9812
Fiordimonte MC 16 202 10014
Pieve Torina MC 16 1458 11472
Bolognola MC 17 142 11614
Fiastra MC 17 559 12173
Acquacanina MC 17 121 12294
Pievebovigliana MC 18 866 13160

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km E of Foligno (57155 inhabitants)
51 Km NE of Terni (111501 inhabitants)
58 Km W of Teramo (54892 inhabitants)
60 Km E of Perugia (166134 inhabitants)
67 Km NW of L'Aquila (69753 inhabitants)
88 Km SW of Ancona (100861 inhabitants)
95 Km NE of Viterbo (67173 inhabitants)
98 Km W of Montesilvano (53738 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 0.4 2021-01-01
11:57:36
42.8988 13.0697 11 2021-01-01
12:05:53
Sala Sismica INGV-Roma 85939411
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-01-01 11:57:36 ± 0.06
Latitude 42.8988 ± 0.0036
Longitude 13.0697 ± 0.0049
Depth (km) 11 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 85939411

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 440
Semi-minor axis of confidence ellipse (meter) 280
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 225
Circular confidence region, given by single value of horizontal uncertainty (meter) 440.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 158
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.21674
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 7
Magnitude information

ML:0.4

Field Value
Value 0.4
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 85939411
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-01-01 12:05:53
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MILN.HNZ. 2021-01-01T11:59:05.72 3.0 undecidable manual Sn -0.32 0
IV.MCEL.HHZ. 2021-01-01T11:58:49.34 3.0 undecidable manual Sn 7.45 0
IV.CELB.HHZ. 2021-01-01T11:58:34.28 3.0 undecidable manual Sg 7.97 0
IV.FVI.HHZ. 2021-01-01T11:58:29.39 3.0 positive manual Pg 16.110001 0
XK.GIZZ.HHZ. 2021-01-01T11:58:24.31 3.0 undecidable manual Pn 13.87 0
IV.MTGR.HHZ. 2021-01-01T11:58:21.73 3.0 undecidable manual Pn 9.18 0
IV.RIBO.EHZ.01 2021-01-01T11:58:19.31 3.0 undecidable manual Sg -0.26 0
IV.FOSV.EHZ. 2021-01-01T11:58:15.14 3.0 undecidable manual Sg 0.06 0
IV.TOLF.HHZ. 2021-01-01T11:58:11.95 3.0 undecidable manual Sg 0.23 0
IV.BOZZ.EHZ. 2021-01-01T11:57:59.79 3.0 undecidable manual Pn -1.81 0
IV.LMD.HHZ. 2021-01-01T11:57:53.04 3.0 undecidable manual Pn 4.3 0
IV.FIR.HHZ. 2021-01-01T11:57:48.78 3.0 undecidable manual Pn 0.84 0
IV.CSP1.EHZ. 2021-01-01T11:57:45.26 0.1 undecidable manual S 27 24.0537 90 0 98
IV.MMO1.EHZ. 2021-01-01T11:57:44.18 0.1 undecidable manual S 90 20.868 90 -0.23 94
IV.CESI.HHZ. 2021-01-01T11:57:43.61 0.3 undecidable manual S 311 17.871 90 0.01 74
IV.FDMO.HHZ. 2021-01-01T11:57:42.77 0.1 undecidable manual S 5 15.3735 90 -0.16 96
TV.SF04.EHZ. 2021-01-01T11:57:41.79 3.0 undecidable manual P -0.28 0
IV.MC2.EHZ. 2021-01-01T11:57:41.76 0.1 undecidable manual S 82 9.7791 121 0.25 95
IV.MMO1.EHZ. 2021-01-01T11:57:41.03 0.1 undecidable manual P 90 20.868 90 0.01 98
IV.CSP1.EHZ. 2021-01-01T11:57:41.52 0.1 undecidable manual P 27 24.0537 90 0.01 98
IT.MTCL.HGZ. 2021-01-01T11:57:41.87 0.3 undecidable manual S 332 11.9769 107 -0.18 72
IV.FDMO.HHZ. 2021-01-01T11:57:40.27 0.1 undecidable manual P 5 15.3735 90 0.11 98
IV.NRCA.HHN. 2021-01-01T11:57:40.89 0.1 undecidable manual S 153 8.0808 130 -0.25 96
IV.CESI.HHZ. 2021-01-01T11:57:40.69 0.1 undecidable manual P 311 17.871 90 0.14 97
IT.MTCL.HGZ. 2021-01-01T11:57:39.66 0.1 undecidable manual P 332 11.9769 107 0.01 100
IV.NRCA.HHN. 2021-01-01T11:57:39.24 0.1 undecidable manual P 153 8.0808 130 0.11 98
IV.MC2.EHZ. 2021-01-01T11:57:39.47 0.3 undecidable manual P 82 9.7791 121 0.13 73
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHN. ML:0.6 0.00003565 0.14 AML other m 2021-01-01T11:57:44.07
IV.CESI.HHE. ML:0.5 0.00002688689 0.8192 AML other m 2021-01-01T11:57:43.81
IV.FDMO.HHE. ML:0.4 0.00002256859 0.1408 AML other m 2021-01-01T11:57:42.92
IV.FDMO.HHN. ML:0.0 0.000011683272 2.1824 AML other m 2021-01-01T11:57:43.13
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