Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.9 on date 27-06-2021 and time 12:51:59 (Italy) in region 3 km SE Valtopina (PG)

A magnitude ML 0.9 earthquake occured in region: 3 km SE Valtopina (PG), on

  • 27-06-2021 10:51:59 (UTC)
  • 27-06-2021 12:51:59 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0320, 12.7740 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.

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
Valtopina PG 3 1398 1398
Nocera Umbra PG 9 5839 7237
Spello PG 9 8645 15882
Foligno PG 10 57155 73037
Assisi PG 14 28299 101336
Serravalle di Chienti MC 15 1070 102406
Cannara PG 16 4305 106711
Bevagna PG 17 5081 111792
Trevi PG 17 8469 120261
Montefalco PG 18 5679 125940
Bastia Umbra PG 19 21874 147814
Monte Cavallo MC 19 145 147959
Sefro MC 19 422 148381
Valfabbrica PG 20 3389 151770

Municipalities with at least 50000 inhabitants

An earthquake occurred to
10 Km NE of Foligno (57155 inhabitants)
32 Km E of Perugia (166134 inhabitants)
53 Km N of Terni (111501 inhabitants)
87 Km W of Teramo (54892 inhabitants)
87 Km SE of Arezzo (99543 inhabitants)
87 Km NE of Viterbo (67173 inhabitants)
89 Km SW of Ancona (100861 inhabitants)
91 Km NW of L'Aquila (69753 inhabitants)
93 Km S of Fano (60888 inhabitants)
98 Km S of Pesaro (94582 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 2021-06-27
10:51:59		 43.0322 12.7737 10 2021-06-27
11:00:49		 Sala Sismica INGV-Roma 91958851
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-06-27 10:51:59 ± 0.07
Latitude 43.0322 ± 0.0045
Longitude 12.7737 ± 0.0025
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 91958851

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 536
Semi-minor axis of confidence ellipse (meter) 60
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 192
Circular confidence region, given by single value of horizontal uncertainty (meter) 540.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 171
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.12
Epicentral distance of station closest to the epicenter (degree) 0.08454
Epicentral distance of station farthest from the epicenter (degree) 0.32016
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 91958851
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-06-27 11:00:49
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2021-06-27T10:52:11.33 0.3 undecidable manual S 79 35.5422 50 0.08 71
IV.MURB.HHZ. 2021-06-27T10:52:10.75 0.6 undecidable manual S 322 32.6451 50 0.29 46
IV.FDMO.HHZ. 2021-06-27T10:52:08.22 0.6 undecidable manual S 89 25.4523 111 -0.26 47
IV.MML1.EHZ. 2021-06-27T10:52:06.33 0.3 undecidable manual S 61 18.3705 118 0.06 74
IV.ATCC.EHZ. 2021-06-27T10:52:06.84 0.6 undecidable manual S 328 20.1687 116 0.04 49
IV.CSP1.EHZ. 2021-06-27T10:52:06.00 1.0 positive manual P 79 35.5422 50 -0.08 24
IV.MURB.HHZ. 2021-06-27T10:52:05.49 0.3 positive manual P 322 32.6451 50 -0.14 71
IV.FDMO.HHZ. 2021-06-27T10:52:04.31 1.0 positive manual P 89 25.4523 111 -0.18 24
IV.CESI.HHZ. 2021-06-27T10:52:04.26 0.6 undecidable manual S 106 11.0778 132 0.11 49
IV.FOSV.HNN. 2021-06-27T10:52:04.98 0.1 undecidable manual P 358 29.1486 50 -0.12 96
IV.ASSB.HHZ. 2021-06-27T10:52:03.64 0.6 undecidable manual S 277 9.3795 136 -0.1 50
IV.MML1.EHZ. 2021-06-27T10:52:03.24 0.1 undecidable manual P 61 18.3705 118 0.03 99
IV.ATCC.EHZ. 2021-06-27T10:52:03.47 0.1 undecidable manual P 328 20.1687 116 -0.04 99
IV.CESI.HHZ. 2021-06-27T10:52:02.17 0.6 undecidable manual P 106 11.0778 132 0.19 49
IV.ASSB.HHZ. 2021-06-27T10:52:01.81 0.1 negative manual P 277 9.3795 136 0.06 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ASSB.HHN. ML:1.4 0.00033199999999999994 0.5 AML other m 2021-06-27T10:52:03.69
IV.ASSB.HHE. ML:1.4 0.0003055 0.28 AML other m 2021-06-27T10:52:03.88
IV.CESI.HHN. ML:0.7 0.00005365 1 AML other m 2021-06-27T10:52:04.63
IV.CESI.HHE. ML:0.6 0.000048 0.6 AML other m 2021-06-27T10:52:05.09
IV.ATCC.EHE. ML:1.0 0.00006925 0.3 AML other m 2021-06-27T10:52:07.32
IV.ATCC.EHN. ML:0.9 0.0000589 1.4 AML other m 2021-06-27T10:52:07.26
IV.FDMO.HHN. ML:0.7 0.0000315 0.18 AML other m 2021-06-27T10:52:08.37
IV.FDMO.HHE. ML:0.6 0.0000257 0.76 AML other m 2021-06-27T10:52:08.57
IV.MURB.HHE. ML:1.0 0.000041 1.18 AML other m 2021-06-27T10:52:11.60
IV.MURB.HHN. ML:1.0 0.0000474 1.8 AML other m 2021-06-27T10:52:12.02
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