Earthquake with magnitude of ML 1.0 on date 05-03-2021 and time 22:55:50 (Italy) in region 5 km NE Cerreto di Spoleto (PG)

A magnitude ML 1.0 earthquake occured in region: 5 km NE Cerreto di Spoleto (PG), on

  • 05-03-2021 21:55:50 (UTC)
  • 05-03-2021 22:55:50 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8520, 12.9520 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
Cerreto di Spoleto PG 5 1075 1075
Sellano PG 5 1079 2154
Preci PG 8 724 2878
Vallo di Nera PG 12 364 3242
Norcia PG 13 4957 8199
Visso MC 14 1107 9306
Campello sul Clitunno PG 15 2442 11748
Cascia PG 16 3217 14965
Poggiodomo PG 16 117 15082
Sant'Anatolia di Narco PG 16 564 15646
Monte Cavallo MC 16 145 15791
Trevi PG 17 8469 24260
Castelsantangelo sul Nera MC 17 281 24541
Scheggino PG 18 461 25002
Ussita MC 18 444 25446

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km SE of Foligno (57155 inhabitants)
41 Km NE of Terni (111501 inhabitants)
54 Km SE of Perugia (166134 inhabitants)
65 Km W of Teramo (54892 inhabitants)
67 Km NW of L'Aquila (69753 inhabitants)
84 Km NE of Viterbo (67173 inhabitants)
96 Km N of Guidonia Montecelio (88673 inhabitants)
97 Km SW of Ancona (100861 inhabitants)
100 Km N of Tivoli (56533 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 1.0 2021-03-05
21:55:50
42.8523 12.9525 10 2021-03-05
22:20:03
Sala Sismica INGV-Roma 87797101
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-03-05 21:55:50 ± 0.07
Latitude 42.8523 ± 0.0027
Longitude 12.9525 ± 0.0061
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 87797101

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 509
Semi-minor axis of confidence ellipse (meter) 110
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 274
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) 87
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
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) 0.11961
Epicentral distance of station farthest from the epicenter (degree) 0.28419
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.4
Num. used stations 8
Type of magnitude ML
Reference to an origin 87797101
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-03-05 22:20:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MMO1.EHZ. 2021-03-05T21:56:01.30 0.6 undecidable manual S 80 30.8469 50 0.04 66
IV.LNSS.HNZ. 2021-03-05T21:56:00.50 0.6 undecidable manual S 165 28.5492 50 -0.15 65
IV.MML1.HNZ. 2021-03-05T21:56:00.70 0.6 undecidable manual S 3 29.0487 50 -0.06 66
IV.FDMO.HHZ. 2021-03-05T21:55:59.00 0.6 undecidable manual S 28 23.1546 114 -0.19 65
IV.CESI.HHZ. 2021-03-05T21:55:57.30 0.6 undecidable manual S 347 17.3715 121 -0.1 66
IV.GAVE.EHZ. 2021-03-05T21:55:57.40 0.6 undecidable manual S 195 18.3705 119 -0.3 64
IV.MOMA.HHE. 2021-03-05T21:55:57.28 0.6 undecidable manual P 260 31.5462 50 0.51 59
IV.NRCA.HNZ. 2021-03-05T21:55:56.30 0.6 undecidable manual S 99 13.2756 128 0.06 67
IV.MMO1.EHZ. 2021-03-05T21:55:56.76 1.0 negative manual P 80 30.8469 50 0.09 33
IV.MML1.HNZ. 2021-03-05T21:55:56.16 0.6 undecidable manual P 3 29.0487 50 -0.22 63
IV.LNSS.HNZ. 2021-03-05T21:55:56.18 0.6 undecidable manual P 165 28.5492 50 -0.13 65
IV.MC2.EHZ. 2021-03-05T21:55:55.34 1.0 undecidable manual P 71 20.2686 117 0.39 31
IV.FDMO.HHZ. 2021-03-05T21:55:55.43 0.6 positive manual P 28 23.1546 114 -0.04 67
IV.CESI.HHZ. 2021-03-05T21:55:54.52 0.3 undecidable manual P 347 17.3715 121 0.09 100
IV.NRCA.HNZ. 2021-03-05T21:55:54.25 1.0 undecidable manual P 99 13.2756 128 0.49 31
IV.GAVE.EHZ. 2021-03-05T21:55:54.70 0.6 undecidable manual P 195 18.3705 119 0.09 66
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GAVE.EHE. ML:0.8 0.000049527976 0.1024 AML other m 2021-03-05T21:55:58.56
IV.GAVE.EHN. ML:0.8 0.000057436534999999994 0.1792 AML other m 2021-03-05T21:55:58.11
IV.CESI.HHE. ML:0.1 0.0000098311285 0.1408 AML other m 2021-03-05T21:55:58.28
IV.CESI.HHN. ML:0.5 0.000023742395000000005 0.2432 AML other m 2021-03-05T21:55:57.64
IV.CESI.HNE. ML:1.0 0.00007782974699999999 0.5632 AML other m 2021-03-05T21:55:54.84
IV.CESI.HNN. ML:1.2 0.0001398991 0.8704 AML other m 2021-03-05T21:55:54.62
IV.GAVE.HNE. ML:1.2 0.000124616665 0.8064 AML other m 2021-03-05T21:56:00.28
IV.GAVE.HNN. ML:1.4 0.00021146864999999998 1.0624 AML other m 2021-03-05T21:55:54.52
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