Earthquake with magnitude of ML 1.3 on date 09-03-2021 and time 03:25:42 (Italy) in region 2 km NE Spello (PG)

A magnitude ML 1.3 earthquake occured in region: 2 km NE Spello (PG), on

  • 09-03-2021 02:25:42 (UTC)
  • 09-03-2021 03:25:42 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.0060, 12.6820 at 8 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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
Spello PG 2 8645 8645
Foligno PG 6 57155 65800
Cannara PG 8 4305 70105
Valtopina PG 8 1398 71503
Assisi PG 9 28299 99802
Bevagna PG 10 5081 104883
Montefalco PG 13 5679 110562
Bastia Umbra PG 13 21874 132436
Nocera Umbra PG 15 5839 138275
Gualdo Cattaneo PG 15 6155 144430
Trevi PG 15 8469 152899
Bettona PG 16 4367 157266
Valfabbrica PG 18 3389 160655

Municipalities with at least 50000 inhabitants

An earthquake occurred to
6 Km NW of Foligno (57155 inhabitants)
26 Km E of Perugia (166134 inhabitants)
50 Km N of Terni (111501 inhabitants)
81 Km NE of Viterbo (67173 inhabitants)
83 Km SE of Arezzo (99543 inhabitants)
92 Km W of Teramo (54892 inhabitants)
94 Km NW of L'Aquila (69753 inhabitants)
96 Km SW of Ancona (100861 inhabitants)
97 Km S of Fano (60888 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
Bulletin
Rev1000
ML 1.3 2021-03-09
02:25:42
43.0065 12.6817 8 2021-07-12
16:55:01
Bollettino Sismico Italiano INGV 87995841
Reviewed
Rev100
ML 1.4 2021-03-09
02:25:42
43.006 12.6698 9 2021-03-09
02:42:31
Sala Sismica INGV-Roma 87931381
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-03-09 02:25:42 ± 0.06
Latitude 43.0065 ± 0.0027
Longitude 12.6817 ± 0.0061
Depth (km) 8 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 87995841

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 407
Semi-minor axis of confidence ellipse (meter) 209
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 261
Circular confidence region, given by single value of horizontal uncertainty (meter) 410.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 125
Number of associated phases, regardless of their use for origin computation 35
Number of defining phases 35
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.03957
Epicentral distance of station farthest from the epicenter (degree) 0.70237
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 20
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 87995841
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-03-11 09:43:09

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 87931381
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-03-09 02:42:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARVD.HHZ. 2021-03-09T02:26:01.94 0.3 undecidable manual S 21 58.3971 50 0.8 55
IV.MMO1.EHZ. 2021-03-09T02:26:00.13 0.1 undecidable manual S 103 53.7018 50 0.25 88
IV.EL6.EHZ. 2021-03-09T02:25:58.99 0.1 undecidable manual S 43 49.4172 50 0.27 88
IV.PE3.EHZ. 2021-03-09T02:25:57.13 0.6 undecidable manual P 349 77.9664 50 0.92 34
IV.MC2.EHZ. 2021-03-09T02:25:57.88 0.6 undecidable manual S 104 42.5241 50 0.99 35
IV.CSP1.EHZ. 2021-03-09T02:25:57.05 0.3 undecidable manual S 77 43.4232 50 -0.09 69
IV.NRCA.HHZ. 2021-03-09T02:25:56.03 0.3 undecidable manual S 118 40.0266 50 -0.2 68
IV.GAVE.EHZ. 2021-03-09T02:25:55.86 0.3 undecidable manual S 154 38.9277 50 -0.07 70
IV.NARO.HHZ. 2021-03-09T02:25:54.41 0.3 undecidable manual P 353 67.4769 50 -0.2 65
IV.FOSV.EHZ. 2021-03-09T02:25:54.03 0.1 undecidable manual S 11 32.6451 104 0.01 96
IV.FDMO.HHZ. 2021-03-09T02:25:54.00 0.1 undecidable manual S 84 33.0447 103 -0.17 93
IV.MF5.EHZ. 2021-03-09T02:25:54.34 0.1 undecidable manual P 92 63.1923 50 0.4 84
IV.MURB.HHZ. 2021-03-09T02:25:53.82 0.1 undecidable manual S 336 31.1466 104 0.29 91
IV.FRON.EHZ. 2021-03-09T02:25:52.64 0.3 undecidable manual P 4 56.7987 50 -0.32 65
IV.ARVD.HHZ. 2021-03-09T02:25:52.80 0.1 undecidable manual P 21 58.3971 50 -0.41 84
IV.MMO1.EHZ. 2021-03-09T02:25:52.25 0.1 undecidable manual P 103 53.7018 50 -0.23 88
IV.MOMA.HHZ. 2021-03-09T02:25:51.37 0.1 undecidable manual S 202 24.2535 108 0.15 95
IV.EL6.EHZ. 2021-03-09T02:25:51.62 0.1 undecidable manual P 43 49.4172 50 -0.19 90
IT.GNU.HGE. 2021-03-09T02:25:51.52 0.3 undecidable manual S 202 24.2535 108 0.3 69
IV.MC2.EHZ. 2021-03-09T02:25:50.70 0.1 undecidable manual P 104 42.5241 50 -0.05 93
IV.CSP1.EHZ. 2021-03-09T02:25:50.69 0.1 undecidable manual P 77 43.4232 50 -0.21 90
IV.ATLO.EHE. 2021-03-09T02:25:50.04 0.1 undecidable manual P 327 40.8258 50 -0.45 86
IV.GAVE.EHZ. 2021-03-09T02:25:50.05 0.1 undecidable manual P 154 38.9277 50 -0.15 92
IV.FDMO.HHZ. 2021-03-09T02:25:49.08 0.1 undecidable manual P 84 33.0447 103 -0.1 94
IV.CESI.HHZ. 2021-03-09T02:25:49.54 0.3 undecidable manual S 90 18.0708 114 0.32 69
IV.NRCA.HHZ. 2021-03-09T02:25:49.98 0.1 undecidable manual P 118 40.0266 50 -0.39 87
IV.ATCC.EHZ. 2021-03-09T02:25:49.98 0.1 undecidable manual S 350 20.0688 111 0.12 96
IV.FOSV.EHZ. 2021-03-09T02:25:48.92 0.1 undecidable manual P 11 32.6451 104 -0.18 93
IT.GNU.HGE. 2021-03-09T02:25:48.01 0.3 undecidable manual P 202 24.2535 108 0.53 65
IV.MURB.HHZ. 2021-03-09T02:25:48.59 0.1 undecidable manual P 336 31.1466 104 -0.22 92
IV.MOMA.HHZ. 2021-03-09T02:25:47.40 0.1 undecidable manual P 202 24.2535 108 -0.08 96
IV.CESI.HHZ. 2021-03-09T02:25:46.41 0.1 undecidable manual P 90 18.0708 114 0.09 97
IV.ATCC.EHZ. 2021-03-09T02:25:46.73 0.1 positive manual P 350 20.0688 111 0.03 98
IT.FOPC.HGN. 2021-03-09T02:25:45.24 0.1 undecidable manual S 157 4.3956 151 -0.27 95
IT.FOPC.HGN. 2021-03-09T02:25:44.23 0.1 undecidable manual P 157 4.3956 151 0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHN. ML:1.1 0.00011449999999999999 1.3 AML other m 2021-03-09T02:25:49.85
IV.ATCC.EHE. ML:1.4 0.0002155 0.98 AML other m 2021-03-09T02:25:50.60
IV.CESI.HHE. ML:1.1 0.00009850000000000001 0.76 AML other m 2021-03-09T02:25:50.86
IV.MOMA.HHN. ML:1.3 0.000122 0.46 AML other m 2021-03-09T02:25:51.71
IV.MOMA.HHE. ML:1.2 0.000112 0.12 AML other m 2021-03-09T02:25:52.22
IV.ATCC.EHN. ML:1.4 0.000184 1.22 AML other m 2021-03-09T02:25:52.25
IV.FOSV.EHE. ML:1.4 0.00010165 0.54 AML other m 2021-03-09T02:25:54.27
IV.MURB.HHE. ML:1.8 0.00031800000000000003 0.26 AML other m 2021-03-09T02:25:54.28
IV.FDMO.HHE. ML:1.2 0.0000701 0.72 AML other m 2021-03-09T02:25:54.35
IV.FOSV.EHN. ML:1.4 0.00009755 1.06 AML other m 2021-03-09T02:25:54.78
IV.FDMO.HHN. ML:1.2 0.0000696 1.64 AML other m 2021-03-09T02:25:54.05
IV.MURB.HHN. ML:1.5 0.00015150000000000002 1.06 AML other m 2021-03-09T02:25:56.84
IV.NRCA.HHN. ML:1.3 0.00006925 0.62 AML other m 2021-03-09T02:25:57.89
IV.NRCA.HHE. ML:1.3 0.00006814999999999999 0.9 AML other m 2021-03-09T02:25:58.20
IV.EL6.EHE. ML:1.5 0.00008605 0.6 AML other m 2021-03-09T02:25:59.33
IV.EL6.EHN. ML:1.5 0.0000915 1.42 AML other m 2021-03-09T02:25:59.90
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