Earthquake with magnitude of ML 0.3 on date 04-03-2021 and time 02:01:19 (Italy) in region 2 km NW Preci (PG)

A magnitude ML 0.3 earthquake occured in region: 2 km NW Preci (PG), on

  • 04-03-2021 01:01:19 (UTC)
  • 04-03-2021 02:01:19 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8880, 13.0210 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 2 724 724
Visso MC 7 1107 1831
Sellano PG 8 1079 2910
Castelsantangelo sul Nera MC 11 281 3191
Cerreto di Spoleto PG 11 1075 4266
Ussita MC 12 444 4710
Monte Cavallo MC 12 145 4855
Norcia PG 12 4957 9812
Pieve Torina MC 18 1458 11270
Fiordimonte MC 18 202 11472
Vallo di Nera PG 18 364 11836
Cascia PG 19 3217 15053
Fiastra MC 20 559 15612

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km E of Foligno (57155 inhabitants)
47 Km NE of Terni (111501 inhabitants)
57 Km E of Perugia (166134 inhabitants)
61 Km W of Teramo (54892 inhabitants)
67 Km NW of L'Aquila (69753 inhabitants)
91 Km SW of Ancona (100861 inhabitants)
91 Km NE 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
Reviewed
Rev100
ML 0.3 2021-03-04
01:01:19
42.8883 13.021 10 2021-03-04
01:07:22
Sala Sismica INGV-Roma 87690601
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-03-04 01:01:19 ± 0.18
Latitude 42.8883 ± 0.0027
Longitude 13.0210 ± 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 87690601

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 430
Semi-minor axis of confidence ellipse (meter) 82
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 258
Circular confidence region, given by single value of horizontal uncertainty (meter) 430.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 119
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 12
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) 0.22393
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.3

Field Value
Value 0.3
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 87690601
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-03-04 01:07:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MSSA.HHZ. 2021-03-04T01:02:21.46 3.0 undecidable manual Sn -0.8 0
MN.TRI.HHZ. 2021-03-04T01:02:20.54 3.0 undecidable manual Sn 0.45 0
IV.MNTV.EHZ. 2021-03-04T01:02:16.94 3.0 undecidable manual Sn 0.14 0
IV.PE3.EHZ. 2021-03-04T01:01:39.40 3.0 undecidable manual Sn 1.76 0
IV.SAMA.EHZ. 2021-03-04T01:01:35.43 3.0 undecidable manual Pn -0.19 0
IV.MCIV.CHZ. 2021-03-04T01:01:29.91 3.0 positive manual P 0.25 0
IV.GAVE.EHZ. 2021-03-04T01:01:28.73 0.1 undecidable manual S 205 24.0537 112 -0.23 94
IV.MMO1.EHZ. 2021-03-04T01:01:28.92 0.1 undecidable manual S 87 24.8529 112 -0.31 93
IV.CESI.HHZ. 2021-03-04T01:01:26.45 0.1 undecidable manual S 324 16.0728 122 -0.02 100
IV.FDMO.HHZ. 2021-03-04T01:01:26.67 0.1 undecidable manual S 18 17.2716 120 -0.18 97
IT.MTCL.HGZ. 2021-03-04T01:01:25.21 0.1 undecidable manual S 352 11.877 130 -0.08 99
IV.MMO1.EHZ. 2021-03-04T01:01:25.42 0.1 undecidable manual P 87 24.8529 112 0.12 96
IV.GAVE.EHZ. 2021-03-04T01:01:25.08 0.1 undecidable manual P 205 24.0537 112 -0.06 98
IV.NRCA.HHN. 2021-03-04T01:01:24.91 0.1 undecidable manual S 129 9.6792 136 0.16 98
IV.CESI.HHZ. 2021-03-04T01:01:23.78 0.1 undecidable manual P 324 16.0728 122 0.08 99
IT.MTCL.HGZ. 2021-03-04T01:01:23.27 0.1 undecidable manual P 352 11.877 130 0.25 96
IV.FDMO.HHZ. 2021-03-04T01:01:23.94 0.1 undecidable manual P 18 17.2716 120 0.02 100
IV.NRCA.HHN. 2021-03-04T01:01:22.95 0.1 undecidable manual P 129 9.6792 136 0.24 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHN. ML:0.6 0.0000316 0.14 AML other m 2021-03-04T01:01:27.09
IV.FDMO.HHE. ML:0.5 0.0000258 1.84 AML other m 2021-03-04T01:01:27.96
IV.CESI.HHE. ML:0.0 0.0000075875705 0.08 AML other m 2021-03-04T01:01:27.12
IV.CESI.HHN. ML:0.0 0.0000099492005 0.08 AML other m 2021-03-04T01:01:26.71
IV.GAVE.EHE. ML:0.6 0.000022762525 0.18 AML other m 2021-03-04T01:01:29.07
IV.GAVE.EHN. ML:0.2 0.0000108865 0.24 AML other m 2021-03-04T01:01:28.98
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