Earthquake with magnitude of ML 0.8 on date 09-03-2021 and time 01:54:43 (Italy) in region 4 km NW Preci (PG)

A magnitude ML 0.8 earthquake occured in region: 4 km NW Preci (PG), on

  • 09-03-2021 00:54:43 (UTC)
  • 09-03-2021 01:54:43 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9010, 12.9960 at 11 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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 4 724 724
Sellano PG 6 1079 1803
Visso MC 8 1107 2910
Monte Cavallo MC 10 145 3055
Cerreto di Spoleto PG 11 1075 4130
Ussita MC 13 444 4574
Castelsantangelo sul Nera MC 13 281 4855
Norcia PG 14 4957 9812
Pieve Torina MC 17 1458 11270
Fiordimonte MC 17 202 11472
Vallo di Nera PG 18 364 11836
Serravalle di Chienti MC 19 1070 12906
Pievebovigliana MC 19 866 13772
Campello sul Clitunno PG 20 2442 16214
Fiastra MC 20 559 16773

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km E of Foligno (57155 inhabitants)
47 Km NE of Terni (111501 inhabitants)
54 Km E of Perugia (166134 inhabitants)
64 Km W of Teramo (54892 inhabitants)
69 Km NW of L'Aquila (69753 inhabitants)
90 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
Bulletin
Rev1000
ML 0.8 2021-03-09
00:54:43
42.9012 12.9963 11 2021-07-12
16:55:03
Bollettino Sismico Italiano INGV 88278331
Reviewed
Rev100
ML 0.8 2021-03-09
00:54:43
42.8998 12.9965 11 2021-03-09
01:09:23
Sala Sismica INGV-Roma 87928811
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-03-09 00:54:43 ± 0.07
Latitude 42.9012 ± 0.0027
Longitude 12.9963 ± 0.0061
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 88278331

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 515
Semi-minor axis of confidence ellipse (meter) 296
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 249
Circular confidence region, given by single value of horizontal uncertainty (meter) 510.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 153
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.29947
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 87928811
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-03-09 01:09:23

ML:0.8

Field Value
Value 0.8
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 88278331
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-03-19 13:56:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CPGN.EHZ. 2021-03-09T00:54:56.05 3.0 undecidable manual P -0.02 0
IV.LNSS.HHE. 2021-03-09T00:54:55.36 0.6 undecidable manual S 174 33.2445 90 0.13 49
IV.PF6.EHE. 2021-03-09T00:54:54.75 0.6 undecidable manual S 31 30.747 90 0.19 48
IV.CSP1.EHZ. 2021-03-09T00:54:53.70 0.1 undecidable manual S 39 27.0507 90 0.12 98
IV.MMO1.EHZ. 2021-03-09T00:54:53.65 0.1 undecidable manual S 90 26.8509 90 0.14 98
IV.MML1.HNZ. 2021-03-09T00:54:52.54 0.1 undecidable manual S 355 23.6541 90 -0.12 95
IV.FDMO.HHZ. 2021-03-09T00:54:50.73 0.6 undecidable manual S 26 16.7721 90 -0.08 50
IV.LNSS.HHE. 2021-03-09T00:54:50.39 0.1 undecidable manual P 174 33.2445 90 -0.05 95
IV.CESI.HHZ. 2021-03-09T00:54:50.09 0.1 undecidable manual S 327 13.6752 93 0.08 99
IV.MMO1.EHZ. 2021-03-09T00:54:49.47 0.1 undecidable manual P 90 26.8509 90 0.03 98
IV.PF6.EHE. 2021-03-09T00:54:49.45 0.1 undecidable manual P 31 30.747 90 -0.6 83
IV.NRCA.HNE. 2021-03-09T00:54:49.36 0.1 undecidable manual S 128 12.1767 107 -0.24 97
IV.CSP1.EHZ. 2021-03-09T00:54:49.53 0.1 undecidable manual P 39 27.0507 90 0.05 99
IV.FEMA.HNE. 2021-03-09T00:54:48.80 0.1 undecidable manual S 33 8.0808 130 0.16 98
IV.FDMO.HHZ. 2021-03-09T00:54:48.02 1.0 undecidable manual P 26 16.7721 90 0.13 25
IT.MTCL.HGZ. 2021-03-09T00:54:48.94 0.1 undecidable manual S 1 10.2786 118 -0.2 99
IV.MML1.HNZ. 2021-03-09T00:54:48.91 0.1 undecidable manual P 355 23.6541 90 -0.04 97
IV.CESI.HHZ. 2021-03-09T00:54:47.53 0.1 undecidable manual P 327 13.6752 93 0.11 99
IT.MTCL.HGZ. 2021-03-09T00:54:47.08 0.1 undecidable manual P 1 10.2786 118 0.16 98
IV.NRCA.HNE. 2021-03-09T00:54:47.26 0.1 undecidable manual P 128 12.1767 107 0.08 100
IV.FEMA.HNE. 2021-03-09T00:54:46.73 0.1 undecidable manual P 33 8.0808 130 0.1 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHN. ML:0.8 0.000051949999999999996 1.6 AML other m 2021-03-09T00:54:50.98
IV.FDMO.HHE. ML:0.8 0.00005855000000000001 1.66 AML other m 2021-03-09T00:54:51.95
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