Earthquake with magnitude of ML 0.7 on date 22-02-2021 and time 13:10:57 (UTC) in region 2 km SW Gualdo Tadino (PG)

A magnitude ML 0.7 earthquake occured in region: 2 km SW Gualdo Tadino (PG), on

  • 22-02-2021 13:10:57 (UTC)
  • 22-02-2021 14:10:57 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.2220, 12.7660 at 9 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 2 15208 15208
Fossato di Vico PG 8 2840 18048
Sigillo PG 12 2404 20452
Nocera Umbra PG 12 5839 26291
Fiuminata MC 14 1402 27693
Valfabbrica PG 15 3389 31082
Esanatoglia MC 15 2034 33116
Costacciaro PG 16 1216 34332
Fabriano AN 17 31480 65812
Sefro MC 17 422 66234
Valtopina PG 18 1398 67632
Pioraco MC 18 1134 68766

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km N of Foligno (57155 inhabitants)
33 Km E of Perugia (166134 inhabitants)
72 Km S of Fano (60888 inhabitants)
74 Km N of Terni (111501 inhabitants)
75 Km SW of Ancona (100861 inhabitants)
76 Km E of Arezzo (99543 inhabitants)
78 Km S of Pesaro (94582 inhabitants)
95 Km S of Rimini (147750 inhabitants)
99 Km NW of Teramo (54892 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 0.7 2021-02-22
13:10:57
43.2222 12.7658 9 2021-02-22
13:28:29
Sala Sismica INGV-Roma 87378021
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-02-22 13:10:57 ± 0.06
Latitude 43.2222 ± 0.0027
Longitude 12.7658 ± 0.0049
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 87378021

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 373
Semi-minor axis of confidence ellipse (meter) 274
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) 370.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 63
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 20
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) 0.34534
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 10
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 87378021
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-02-22 13:28:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.BHB.HHZ. 2021-02-22T13:12:36.07 3.0 undecidable manual Sn -3.51 0
IV.VTIR.HHZ. 2021-02-22T13:12:14.77 3.0 undecidable manual Sg 21.49 0
MN.TRI.HHZ. 2021-02-22T13:12:04.66 3.0 undecidable manual Sn -9.99 0
IV.VARE.HHZ. 2021-02-22T13:11:55.44 3.0 positive manual Pg 6.97 0
OX.MPRI.HHZ. 2021-02-22T13:11:47.84 3.0 undecidable manual Pg 5.25 0
IV.CTI.HHZ. 2021-02-22T13:11:42.88 3.0 positive manual Pg 3.01 0
IV.CPGN.EHZ. 2021-02-22T13:11:30.14 3.0 undecidable manual Sg 1.94 0
IV.SBPO.HNZ. 2021-02-22T13:11:29.04 3.0 positive manual Pg 0.49 0
IV.CSP1.EHZ. 2021-02-22T13:11:11.04 0.3 undecidable manual S 112 38.3283 50 0.33 68
IV.FDMO.HHZ. 2021-02-22T13:11:09.31 0.6 undecidable manual S 128 33.1446 50 -0.02 49
IV.EL6.EHZ. 2021-02-22T13:11:08.42 0.3 undecidable manual S 66 29.6481 50 0.05 74
IV.CESI.HHZ. 2021-02-22T13:11:07.09 0.6 undecidable manual S 155 26.5512 109 -0.31 47
IV.SSFR.HNE. 2021-02-22T13:11:06.31 0.3 undecidable manual S 3 23.754 111 -0.18 72
IV.ATSC.EHE. 2021-02-22T13:11:05.98 0.1 undecidable manual S 344 23.2545 112 -0.35 93
IV.ASSB.HHZ. 2021-02-22T13:11:05.52 0.1 undecidable manual S 204 21.7671 113 -0.3 94
IV.MURB.HHZ. 2021-02-22T13:11:05.42 0.3 undecidable manual S 283 20.0688 115 0.14 74
IV.MML1.EHE. 2021-02-22T13:11:05.60 0.1 undecidable manual S 126 20.5683 114 0.15 98
IV.FDMO.HHZ. 2021-02-22T13:11:04.13 0.3 undecidable manual P 128 33.1446 50 -0.25 70
IV.CSP1.EHZ. 2021-02-22T13:11:04.86 0.6 undecidable manual P 112 38.3283 50 -0.32 46
IV.CESI.HHZ. 2021-02-22T13:11:03.24 0.3 undecidable manual P 155 26.5512 109 -0.03 74
IV.EL6.EHZ. 2021-02-22T13:11:03.82 0.1 undecidable manual P 66 29.6481 50 -0.01 99
IV.SRES.HHZ. 2021-02-22T13:11:03.56 3.0 negative manual P 2.45 0
IV.SSFR.HNE. 2021-02-22T13:11:02.75 0.1 undecidable manual P 3 23.754 111 0.01 100
IV.ASSB.HHZ. 2021-02-22T13:11:02.22 0.1 positive manual P 204 21.7671 113 -0.14 98
IV.MURB.HHZ. 2021-02-22T13:11:02.15 0.1 undecidable manual P 283 20.0688 115 0.1 99
IV.MML1.EHE. 2021-02-22T13:11:02.31 0.1 undecidable manual P 126 20.5683 114 0.17 97
TV.SF04.EHZ. 2021-02-22T13:11:02.17 3.0 negative manual P -0.26 0
IV.ATSC.EHE. 2021-02-22T13:11:02.89 0.1 undecidable manual P 344 23.2545 112 0.24 95
IV.ATCC.EHZ. 2021-02-22T13:11:02.80 0.1 undecidable manual S 248 10.9779 130 0.18 99
IV.ATCC.EHZ. 2021-02-22T13:11:00.70 0.1 undecidable manual P 248 10.9779 130 0.19 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ASSB.HHN. ML:0.7 0.00003675 0.4 AML other m 2021-02-22T13:11:05.62
IV.ASSB.HHE. ML:0.6 0.00003165 0.48 AML other m 2021-02-22T13:11:07.81
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