Earthquake with magnitude of ML 0.6 on date 27-09-2021 and time 05:51:45 (UTC) in region 7 km E Monteleone di Spoleto (PG)

A magnitude ML 0.6 earthquake occured in region: 7 km E Monteleone di Spoleto (PG), on

  • 27-09-2021 05:51:45 (UTC)
  • 27-09-2021 07:51:45 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.624, 13.029 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
Monteleone di Spoleto PG 7 599 599
Leonessa RI 9 2435 3034
Cascia PG 11 3217 6251
Cittareale RI 11 482 6733
Posta RI 12 694 7427
Poggiodomo PG 13 117 7544
Borbona RI 15 617 8161
Polino TR 16 233 8394
Poggio Bustone RI 18 2055 10449
Rivodutri RI 19 1253 11702
Scheggino PG 19 461 12163
Micigliano RI 19 127 12290
Morro Reatino RI 19 373 12663
Ferentillo TR 20 1913 14576
Norcia PG 20 4957 19533
Accumoli RI 20 667 20200
Sant'Anatolia di Narco PG 20 564 20764
Cantalice RI 20 2755 23519

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km E of Terni (111501 inhabitants)
43 Km NW of L'Aquila (69753 inhabitants)
46 Km SE of Foligno (57155 inhabitants)
55 Km W of Teramo (54892 inhabitants)
74 Km NE of Guidonia Montecelio (88673 inhabitants)
75 Km SE of Perugia (166134 inhabitants)
76 Km N of Tivoli (56533 inhabitants)
79 Km E of Viterbo (67173 inhabitants)
93 Km W of Montesilvano (53738 inhabitants)
93 Km NE of Roma (2864731 inhabitants)
98 Km W of Chieti (51815 inhabitants)
99 Km W of Pescara (121014 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 0.6 2021-09-27
05:51:45
42.6243 13.0293 9 2021-09-27
12:55:25
Sala Sismica INGV-Roma 95947721
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-09-27 05:51:45 ± 0.13
Latitude 42.6243 ± 0.0072
Longitude 13.0293 ± 0.0073
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 95947721

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 783
Semi-minor axis of confidence ellipse (meter) 424
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 201
Circular confidence region, given by single value of horizontal uncertainty (meter) 780
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 98
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.02248
Epicentral distance of station farthest from the epicenter (degree) 0.3912
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

ML:0.6

Field Value
Value 0.6
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 95947721
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-09-27 12:55:25
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.MC2.EHE. 2021-09-27T05:51:57.88 0.6 undecidable manual S 22 0.3103 50 0.45 44
IV.SMA1.EHZ. 2021-09-27T05:51:54.40 0.6 undecidable manual S 88 0.2248 109 -0.01 49
IV.NRCA.HHZ. 2021-09-27T05:51:53.79 0.6 undecidable manual S 17 0.2185 110 -0.38 46
IV.CESI.HNE. 2021-09-27T05:51:53.62 0.1 undecidable manual P 347 0.3912 50 -0.05 95
IV.T1299.HNZ. 2021-09-27T05:51:52.90 0.6 undecidable manual S 87 0.1862 113 -0.11 49
IV.MC2.EHE. 2021-09-27T05:51:52.55 0.1 undecidable manual P 22 0.3103 50 0.27 92
IV.RM33.EHZ. 2021-09-27T05:51:52.57 0.6 undecidable manual S 130 0.1781 113 -0.17 48
IV.SMA1.EHZ. 2021-09-27T05:51:50.52 0.1 undecidable manual P 88 0.2248 109 -0.02 98
IV.GAVE.EHZ. 2021-09-27T05:51:50.91 0.6 undecidable manual S 304 0.1205 123 0.15 49
IV.NRCA.HHZ. 2021-09-27T05:51:49.97 0.3 negative manual P 17 0.2185 110 -0.42 68
IV.RM33.EHZ. 2021-09-27T05:51:49.28 0.1 undecidable manual P 130 0.1781 113 -0.29 94
IV.ARRO.EHZ. 2021-09-27T05:51:49.58 0.6 undecidable manual P 257 0.1988 111 -0.42 45
IV.T1299.HNZ. 2021-09-27T05:51:49.96 0.1 undecidable manual P 87 0.1862 113 0.23 95
IV.LNSS.HHZ. 2021-09-27T05:51:48.92 0.3 undecidable manual S 159 0.0225 164 0.56 68
IV.GAVE.EHZ. 2021-09-27T05:51:48.39 0.1 negative manual P 304 0.1205 123 -0.04 100
IV.LNSS.HHZ. 2021-09-27T05:51:47.25 1.0 undecidable manual P 159 0.0225 164 0.21 25
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HHE. ML:0.8 0.0001265 1.52 AML other m 2021-09-27T05:51:48.18
IV.LNSS.HHN. ML:0.7 9.355E-5 1.14 AML other m 2021-09-27T05:51:49.03
IV.GAVE.EHN. ML:0.7 5.6E-5 1.46 AML other m 2021-09-27T05:51:50.07
IV.GAVE.EHE. ML:0.6 4.945E-5 0.82 AML other m 2021-09-27T05:51:51.77
IV.NRCA.HHN. ML:0.8 4.175E-5 0.1 AML other m 2021-09-27T05:51:55.06
IV.NRCA.HHE. ML:0.8 3.625E-5 0.46 AML other m 2021-09-27T05:51:55.71
IV.RM33.EHE. ML:0.5 2.699171E-5 0.16 AML other m 2021-09-27T05:51:53.81
IV.RM33.EHN. ML:0.7 3.913789E-5 0.1792 AML other m 2021-09-27T05:51:52.61
IV.ARRO.EHE. ML:0.3 1.6605475E-5 0.2208 AML other m 2021-09-27T05:51:52.43
IV.ARRO.EHN. ML:0.6 3.1828485E-5 0.1792 AML other m 2021-09-27T05:51:53.45
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download