Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 19-05-2021 and time 08:51:50 (Italy) in region 4 km NE Bevagna (PG)

A magnitude ML 1.0 earthquake occured in region: 4 km NE Bevagna (PG), on

  • 19-05-2021 06:51:50 (UTC)
  • 19-05-2021 08:51:50 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9680, 12.6270 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Bevagna PG 4 5081 5081
Spello PG 5 8645 13726
Cannara PG 5 4305 18031
Foligno PG 6 57155 75186
Montefalco PG 8 5679 80865
Gualdo Cattaneo PG 9 6155 87020
Assisi PG 12 28299 115319
Bettona PG 13 4367 119686
Bastia Umbra PG 13 21874 141560
Trevi PG 14 8469 150029
Valtopina PG 15 1398 151427
Giano dell'Umbria PG 15 3846 155273
Castel Ritaldi PG 16 3278 158551
Deruta PG 17 9669 168220
Torgiano PG 17 6725 174945
Collazzone PG 17 3473 178418

Municipalities with at least 50000 inhabitants

An earthquake occurred to
6 Km W of Foligno (57155 inhabitants)
25 Km SE of Perugia (166134 inhabitants)
45 Km N of Terni (111501 inhabitants)
75 Km NE of Viterbo (67173 inhabitants)
82 Km SE of Arezzo (99543 inhabitants)
93 Km NW of L'Aquila (69753 inhabitants)
94 Km W 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 1.0 2021-05-19
06:51:50		 42.9678 12.627 9 2021-05-19
07:01:57		 Sala Sismica INGV-Roma 90251371
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-05-19 06:51:50 ± 0.07
Latitude 42.9678 ± 0.0036
Longitude 12.6270 ± 0.0061
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 90251371

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 485
Semi-minor axis of confidence ellipse (meter) 163
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 283
Circular confidence region, given by single value of horizontal uncertainty (meter) 490.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 152
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.07824
Epicentral distance of station farthest from the epicenter (degree) 0.50002
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.1
Num. used stations 6
Type of magnitude ML
Reference to an origin 90251371
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-05-19 07:01:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NRCA.HHZ. 2021-05-19T06:52:04.96 0.3 undecidable manual S 110 42.3243 50 -0.08 70
IV.MURB.HHE. 2021-05-19T06:52:02.89 0.6 undecidable manual S 346 33.744 50 0.12 47
IV.EL6.EHZ. 2021-05-19T06:52:00.91 0.3 undecidable manual P 44 55.5 50 -0.15 68
IV.CESI.HHZ. 2021-05-19T06:51:59.54 0.3 undecidable manual S 80 22.8549 111 0.23 71
IV.NRCA.HHZ. 2021-05-19T06:51:58.80 0.6 positive manual P 110 42.3243 50 -0.22 46
IV.MURB.HHE. 2021-05-19T06:51:57.83 0.3 undecidable manual P 346 33.744 50 0.12 71
IV.MOMA.HHZ. 2021-05-19T06:51:57.93 0.3 undecidable manual S 194 18.7701 115 -0.06 74
IV.CESI.HHZ. 2021-05-19T06:51:55.75 0.1 negative manual P 80 22.8549 111 0.04 98
IT.GNU.HGN. 2021-05-19T06:51:55.33 0.6 undecidable manual P 194 18.7701 115 0.38 46
IV.MOMA.HHZ. 2021-05-19T06:51:54.83 0.3 undecidable manual P 194 18.7701 115 -0.12 73
IV.ASSB.HHZ. 2021-05-19T06:51:54.82 0.3 undecidable manual S 17 8.6802 135 -0.27 72
IV.ASSB.HHZ. 2021-05-19T06:51:53.33 0.1 positive manual P 17 8.6802 135 0.06 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ASSB.HHN. ML:1.0 0.00016499999999999997 1.3 AML other m 2021-05-19T06:51:55.96
IV.ASSB.HHE. ML:1.1 0.00019250000000000002 1.52 AML other m 2021-05-19T06:51:55.06
IV.MOMA.HHN. ML:1.0 0.000075 0.2 AML other m 2021-05-19T06:51:58.26
IV.MOMA.HHE. ML:1.2 0.000131 0.82 AML other m 2021-05-19T06:51:59.78
IV.CESI.HHN. ML:1.0 0.0000714 0.32 AML other m 2021-05-19T06:51:59.67
IV.CESI.HHE. ML:0.8 0.000045350000000000005 0.84 AML other m 2021-05-19T06:52:01.45
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