Earthquake with magnitude of ML 0.9 on date 03-03-2021 and time 21:45:55 (UTC) in region 7 km SE Gualdo Tadino (PG)

A magnitude ML 0.9 earthquake occured in region: 7 km SE Gualdo Tadino (PG), on

  • 03-03-2021 21:45:55 (UTC)
  • 03-03-2021 22:45:55 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.1880, 12.8420 at 17 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
Gualdo Tadino PG 7 15208 15208
Fiuminata MC 7 1402 16610
Nocera Umbra PG 9 5839 22449
Sefro MC 10 422 22871
Esanatoglia MC 11 2034 24905
Pioraco MC 12 1134 26039
Fossato di Vico PG 14 2840 28879
Serravalle di Chienti MC 16 1070 29949
Matelica MC 16 9981 39930
Valtopina PG 16 1398 41328
Fabriano AN 17 31480 72808
Castelraimondo MC 18 4587 77395
Sigillo PG 18 2404 79799
Cerreto d'Esi AN 19 3817 83616
Camerino MC 19 6974 90590
Gagliole MC 19 620 91210
Valfabbrica PG 20 3389 94599

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km NE of Foligno (57155 inhabitants)
38 Km E of Perugia (166134 inhabitants)
71 Km N of Terni (111501 inhabitants)
73 Km SW of Ancona (100861 inhabitants)
74 Km S of Fano (60888 inhabitants)
81 Km S of Pesaro (94582 inhabitants)
84 Km E of Arezzo (99543 inhabitants)
92 Km NW of Teramo (54892 inhabitants)
100 Km S of Rimini (147750 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 0.9 2021-03-03
21:45:55
43.1878 12.8418 17 2021-03-03
21:54:32
Sala Sismica INGV-Roma 87684251
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-03-03 21:45:55 ± 0.09
Latitude 43.1878 ± 0.0027
Longitude 12.8418 ± 0.0049
Depth (km) 17 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 87684251

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 428
Semi-minor axis of confidence ellipse (meter) 218
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 232
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) 103
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 21
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) 0.09803
Epicentral distance of station farthest from the epicenter (degree) 0.46315
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 11
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 87684251
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-03-03 21:54:32
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NARO.HHZ. 2021-03-03T21:46:12.00 0.3 undecidable manual S 336 51.4152 98 0.17 71
IV.PIEI.HHZ. 2021-03-03T21:46:10.42 0.3 undecidable manual S 327 45.8208 100 0.07 73
IV.FRON.EHZ. 2021-03-03T21:46:08.19 0.3 undecidable manual S 346 37.7289 103 -0.05 75
IV.CSP1.EHZ. 2021-03-03T21:46:07.04 0.3 undecidable manual S 110 31.2465 106 0.49 69
IV.ATFO.HHZ. 2021-03-03T21:46:06.18 0.6 undecidable manual S 312 29.4483 108 0.08 50
IV.FDMO.HHZ. 2021-03-03T21:46:05.13 0.3 undecidable manual S 130 26.0517 111 -0.1 75
IV.SSFR.HHZ. 2021-03-03T21:46:05.68 0.3 undecidable manual S 350 27.9498 109 -0.04 77
IV.MURB.HHZ. 2021-03-03T21:46:05.89 0.6 undecidable manual S 288 26.9508 110 0.43 47
IV.NARO.HHZ. 2021-03-03T21:46:04.84 0.6 negative manual P 336 51.4152 98 -0.09 48
IV.CESI.HHZ. 2021-03-03T21:46:03.87 0.3 undecidable manual S 166 20.9679 118 -0.12 75
IV.ATCC.EHZ. 2021-03-03T21:46:03.05 0.6 undecidable manual S 269 16.3725 126 0.09 52
IV.PIEI.HHZ. 2021-03-03T21:46:03.90 0.6 positive manual P 327 45.8208 100 -0.19 48
IV.CSP1.EHZ. 2021-03-03T21:46:02.02 1.0 undecidable manual P 110 31.2465 106 0.13 25
IV.FRON.EHZ. 2021-03-03T21:46:02.63 0.1 undecidable manual P 346 37.7289 103 -0.24 96
IV.ATFO.HHZ. 2021-03-03T21:46:01.65 1.0 positive manual P 312 29.4483 108 0.01 26
IV.FDMO.HHZ. 2021-03-03T21:46:01.05 0.6 undecidable manual P 130 26.0517 111 -0.08 50
IV.SSFR.HHZ. 2021-03-03T21:46:01.22 0.6 undecidable manual P 350 27.9498 109 -0.19 49
IV.MURB.HHZ. 2021-03-03T21:46:01.44 0.3 undecidable manual P 288 26.9508 110 0.17 75
IV.CESI.HHZ. 2021-03-03T21:46:00.26 0.1 undecidable manual P 166 20.9679 118 -0.16 100
IV.ATCC.EHZ. 2021-03-03T21:45:59.82 0.3 undecidable manual P 269 16.3725 126 0 78
IV.ARVD.HHZ. 2021-03-03T21:45:59.71 3.0 undecidable manual P 35.3424 -2.79 0
IV.SNTG.HHZ. 2021-03-03T21:45:59.09 0.3 undecidable manual P 47 10.878 140 -0.11 77
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATCC.EHN. ML:0.8 0.0000453 0.14 AML other m 2021-03-03T21:46:03.20
IV.ATCC.EHE. ML:0.8 0.0000503 0.54 AML other m 2021-03-03T21:46:03.51
IV.CESI.HHE. ML:0.9 0.00005185 0.16 AML other m 2021-03-03T21:46:04.01
IV.CESI.HHN. ML:0.8 0.000034 0.38 AML other m 2021-03-03T21:46:04.25
IV.FDMO.HHE. ML:0.7 0.00002305 0.12 AML other m 2021-03-03T21:46:05.58
IV.FDMO.HHN. ML:0.8 0.00003295 0.14 AML other m 2021-03-03T21:46:05.60
IV.SSFR.HHN. ML:1.1 0.000058649999999999996 1.2 AML other m 2021-03-03T21:46:06.18
IV.SSFR.HHE. ML:1.1 0.00005475 0.12 AML other m 2021-03-03T21:46:06.30
IV.FRON.EHN. ML:0.8 0.00001983 1.4 AML other m 2021-03-03T21:46:08.26
IV.FRON.EHE. ML:0.6 0.00001475 1.58 AML other m 2021-03-03T21:46:09.93
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