Earthquake with magnitude of ML 1.3 on date 28-02-2020 and time 19:55:49 (UTC) in region 3 km W Montefalco (PG)

A magnitude ML 1.3 earthquake occured in region: 3 km W Montefalco (PG), on

  • 28-02-2020 19:55:49 (UTC)
  • 28-02-2020 20:55:49 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9040, 12.6210 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
Montefalco PG 3 5679 5679
Bevagna PG 4 5081 10760
Gualdo Cattaneo PG 5 6155 16915
Giano dell'Umbria PG 9 3846 20761
Foligno PG 9 57155 77916
Castel Ritaldi PG 10 3278 81194
Cannara PG 11 4305 85499
Trevi PG 11 8469 93968
Spello PG 11 8645 102613
Collazzone PG 15 3473 106086
Campello sul Clitunno PG 16 2442 108528
Massa Martana PG 16 3770 112298
Bettona PG 17 4367 116665
Deruta PG 19 9669 126334
Assisi PG 19 28299 154633
Bastia Umbra PG 19 21874 176507

Municipalities with at least 50000 inhabitants

An earthquake occurred to
9 Km SW of Foligno (57155 inhabitants)
30 Km SE of Perugia (166134 inhabitants)
38 Km N of Terni (111501 inhabitants)
69 Km NE of Viterbo (67173 inhabitants)
87 Km SE of Arezzo (99543 inhabitants)
88 Km NW of L'Aquila (69753 inhabitants)
93 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 1.3 2020-02-28
19:55:49
42.9038 12.6213 10 2020-02-28
20:07:20
Sala Sismica INGV-Roma 76903761
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-02-28 19:55:49 ± 0.07
Latitude 42.9038 ± 0.0036
Longitude 12.6213 ± 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 76903761

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 548
Semi-minor axis of confidence ellipse (meter) 223
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 126
Circular confidence region, given by single value of horizontal uncertainty (meter) 550.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 91
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.55128
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 12
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.0
Num. used stations 6
Type of magnitude ML
Reference to an origin 76903761
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-02-28 20:07:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
SI.MOSI.HHZ. 2020-02-28T19:57:37.47 3.0 undecidable manual Sn -6.12 0
CR.ZAG.BHZ. 2020-02-28T19:57:34.22 3.0 undecidable manual Sn -2.89 0
GU.CIRO.HHZ. 2020-02-28T19:57:15.70 3.0 undecidable manual Pg 13.62 0
IV.NDIM.HHZ. 2020-02-28T19:57:04.70 3.0 undecidable manual Sg 1.27 0
IV.SALB.HHZ. 2020-02-28T19:57:04.48 3.0 undecidable manual Pg 9.41 0
IV.MILN.HHZ. 2020-02-28T19:56:53.45 3.0 positive manual Pg 4.86 0
IV.FIR.HHZ. 2020-02-28T19:56:35.27 3.0 undecidable manual S -3.56 0
IV.PAOL.HHZ. 2020-02-28T19:56:27.14 3.0 positive manual Pn -3.89 0
IV.CELB.HHZ. 2020-02-28T19:56:23.13 3.0 negative manual Pn -1.33 0
IV.EL6.EHZ. 2020-02-28T19:56:08.88 0.3 undecidable manual S 39 61.1943 50 0.52 62
IV.NRCA.HHZ. 2020-02-28T19:56:03.18 0.3 undecidable manual S 101 40.8258 50 0.25 68
IV.MGAB.HHZ. 2020-02-28T19:56:03.34 0.3 undecidable manual S 272 41.4252 50 0.26 68
IV.MML1.HNE. 2020-02-28T19:56:01.86 0.6 undecidable manual S 51 36.741 50 0.02 48
IV.GAVE.HNE. 2020-02-28T19:56:00.89 0.6 undecidable manual S 136 32.3454 50 0.23 46
IV.ATCC.EHZ. 2020-02-28T19:56:00.42 0.3 undecidable manual S 3 31.2465 50 0.05 72
IV.EL6.EHZ. 2020-02-28T19:56:00.86 0.6 undecidable manual P 39 61.1943 50 0.56 40
IV.CESX.HHZ. 2020-02-28T19:56:00.89 0.3 undecidable manual S 185 32.8449 50 0.08 72
IV.CESI.HNE. 2020-02-28T19:55:59.12 0.6 undecidable manual S 64 25.5522 111 0.34 46
IV.CSP1.EHZ. 2020-02-28T19:55:58.84 0.1 undecidable manual P 66 51.7038 50 0 94
IV.MGAB.HHZ. 2020-02-28T19:55:57.15 0.3 undecidable manual P 272 41.4252 50 -0.1 70
IV.NRCA.HHZ. 2020-02-28T19:55:56.93 0.3 undecidable manual P 101 40.8258 50 -0.23 68
IV.MML1.HNE. 2020-02-28T19:55:56.19 0.1 undecidable manual P 51 36.741 50 -0.34 90
IV.ATCC.EHZ. 2020-02-28T19:55:55.49 0.1 undecidable manual P 3 31.2465 50 -0.19 93
IV.CESX.HHZ. 2020-02-28T19:55:55.53 0.3 undecidable manual P 185 32.8449 50 -0.41 67
IV.MOMA.HHZ. 2020-02-28T19:55:55.14 0.3 undecidable manual S 201 11.877 129 0.54 67
IV.GAVE.HNE. 2020-02-28T19:55:55.60 0.1 undecidable manual P 136 32.3454 50 -0.25 92
IT.FOPC.HGE. 2020-02-28T19:55:54.11 0.6 undecidable manual S 42 9.879 135 0.01 50
IV.CESI.HNE. 2020-02-28T19:55:54.61 0.1 undecidable manual P 64 25.5522 111 -0.16 95
IV.MOMA.HHZ. 2020-02-28T19:55:52.29 0.1 undecidable manual P 201 11.877 129 -0.07 99
IT.GNU.HGE. 2020-02-28T19:55:52.33 0.1 undecidable manual P 201 11.877 129 -0.03 100
IT.FOPC.HGE. 2020-02-28T19:55:51.95 0.1 undecidable manual P 42 9.879 135 -0.11 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MOMA.HHN. ML:1.3 0.00024249999999999999 0.14 AML other m 2020-02-28T19:55:55.49
IV.MOMA.HNN. ML:1.4 0.00026700000000000004 0.78 AML other m 2020-02-28T19:55:56.49
IV.MOMA.HNE. ML:1.3 0.00023349999999999998 0.84 AML other m 2020-02-28T19:55:56.62
IV.MOMA.HHE. ML:1.3 0.0002335 0.74 AML other m 2020-02-28T19:55:56.57
IV.NRCA.HHN. ML:1.4 0.00007775 0.12 AML other m 2020-02-28T19:56:03.39
IV.NRCA.HHE. ML:1.3 0.0000664 1.4 AML other m 2020-02-28T19:56:04.29
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