Earthquake with magnitude of ML 1.5 on date 27-02-2021 and time 20:40:37 (Italy) in region 3 km SE Cerreto di Spoleto (PG)

A magnitude ML 1.5 earthquake occured in region: 3 km SE Cerreto di Spoleto (PG), on

  • 27-02-2021 19:40:37 (UTC)
  • 27-02-2021 20:40:37 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7980, 12.9310 at 10 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
Cerreto di Spoleto PG 3 1075 1075
Vallo di Nera PG 6 364 1439
Poggiodomo PG 10 117 1556
Sellano PG 10 1079 2635
Sant'Anatolia di Narco PG 11 564 3199
Cascia PG 11 3217 6416
Scheggino PG 12 461 6877
Preci PG 13 724 7601
Campello sul Clitunno PG 13 2442 10043
Norcia PG 13 4957 15000
Monteleone di Spoleto PG 16 599 15599
Spoleto PG 17 38218 53817
Trevi PG 17 8469 62286
Visso MC 20 1107 63393

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km SE of Foligno (57155 inhabitants)
35 Km NE of Terni (111501 inhabitants)
56 Km SE of Perugia (166134 inhabitants)
63 Km NW of L'Aquila (69753 inhabitants)
65 Km W of Teramo (54892 inhabitants)
80 Km NE of Viterbo (67173 inhabitants)
90 Km N of Guidonia Montecelio (88673 inhabitants)
93 Km N of Tivoli (56533 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 1.5 2021-02-27
19:40:37
42.7977 12.9312 10 2021-07-12
16:55:00
Bollettino Sismico Italiano INGV 87718651
Reviewed
Rev100
ML 1.5 2021-02-27
19:40:37
42.8005 12.9377 10 2021-02-27
19:49:06
Sala Sismica INGV-Roma 87547151
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-02-27 19:40:37 ± 0.04
Latitude 42.7977 ± 0.0018
Longitude 12.9312 ± 0.0037
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 87718651

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 323
Semi-minor axis of confidence ellipse (meter) 67
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 104
Circular confidence region, given by single value of horizontal uncertainty (meter) 320.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 45
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) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.10882
Epicentral distance of station farthest from the epicenter (degree) 0.54589
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:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 20
Type of magnitude ML
Reference to an origin 87718651
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-03-04 14:29:42

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 20
Type of magnitude ML
Reference to an origin 87547151
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-02-27 19:49:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EL6.EHZ. 2021-02-27T19:40:57.18 0.3 undecidable manual S 13 60.5949 50 0.56 63
IV.TERO.HHZ. 2021-02-27T19:40:56.46 0.6 undecidable manual S 109 58.1973 50 0.49 43
IV.CSP1.EHZ. 2021-02-27T19:40:51.02 0.3 undecidable manual S 34 39.5271 50 0.04 73
IV.RM33.HNZ. 2021-02-27T19:40:51.15 0.6 undecidable manual S 144 39.5271 50 0.16 48
IV.MML1.HNN. 2021-02-27T19:40:49.95 0.6 undecidable manual S 5 35.2425 50 0.11 49
IV.MMO1.EHZ. 2021-02-27T19:40:49.46 0.1 undecidable manual S 71 34.1436 50 -0.09 98
IV.TERO.HHZ. 2021-02-27T19:40:48.56 0.6 undecidable manual P 109 58.1973 50 0.27 45
IV.FDMO.HHZ. 2021-02-27T19:40:48.13 0.6 undecidable manual S 26 29.3484 50 -0.16 49
IV.EL6.EHZ. 2021-02-27T19:40:48.65 0.3 undecidable manual P 13 60.5949 50 -0.02 71
IV.MOMA.HHZ. 2021-02-27T19:40:48.24 0.3 undecidable manual S 271 29.3484 50 -0.05 75
IV.ARRO.EHZ. 2021-02-27T19:40:47.54 0.3 undecidable manual S 209 27.75 50 -0.31 71
IT.MTCL.HGE. 2021-02-27T19:40:46.11 0.6 undecidable manual S 14 22.4553 115 -0.27 48
IV.CESI.HHZ. 2021-02-27T19:40:46.47 0.3 undecidable manual S 355 23.0547 114 -0.1 75
IV.LNSS.HHZ. 2021-02-27T19:40:46.37 0.3 undecidable manual S 158 23.3544 114 -0.29 72
IV.CSP1.EHZ. 2021-02-27T19:40:45.38 0.1 undecidable manual P 34 39.5271 50 -0.03 98
IV.FEMA.HNE. 2021-02-27T19:40:45.78 0.6 undecidable manual S 28 20.6682 116 -0.02 51
IV.PF6.EHE. 2021-02-27T19:40:45.82 0.1 undecidable manual P 29 43.4232 50 -0.19 94
IV.RM33.HNZ. 2021-02-27T19:40:45.11 0.3 undecidable manual P 144 39.5271 50 -0.31 69
IV.SMA1.EHZ. 2021-02-27T19:40:45.16 0.3 undecidable manual P 119 37.8288 50 0 74
IV.MMO1.EHZ. 2021-02-27T19:40:44.51 0.1 undecidable manual P 71 34.1436 50 -0.08 98
IV.MOMA.HHZ. 2021-02-27T19:40:44.30 0.3 undecidable manual P 271 29.3484 50 0.44 69
IV.T1299.EHN. 2021-02-27T19:40:44.67 0.3 undecidable manual P 122 33.8439 50 0.12 73
IV.MML1.HNN. 2021-02-27T19:40:44.71 0.3 undecidable manual P 5 35.2425 50 -0.04 74
IV.CESX.HHE. 2021-02-27T19:40:44.39 0.3 undecidable manual P 233 35.0427 50 -0.34 70
IV.NRCA.HHZ. 2021-02-27T19:40:44.18 0.3 undecidable manual S 75 15.4734 124 -0.05 76
IT.FOPC.HGN. 2021-02-27T19:40:43.55 0.3 undecidable manual P 316 26.6511 50 0.12 74
IV.ARRO.EHZ. 2021-02-27T19:40:43.53 0.1 undecidable manual P 209 27.75 50 -0.07 99
IV.GAVE.EHZ. 2021-02-27T19:40:43.60 0.3 undecidable manual S 194 12.0768 130 0.3 73
IV.FDMO.HHZ. 2021-02-27T19:40:43.81 0.1 positive manual P 26 29.3484 50 -0.05 99
IV.CESI.HHZ. 2021-02-27T19:40:42.83 0.3 undecidable manual P 355 23.0547 114 -0.04 76
IV.LNSS.HHZ. 2021-02-27T19:40:42.82 0.1 undecidable manual P 158 23.3544 114 -0.1 100
IV.FEMA.HNE. 2021-02-27T19:40:42.53 0.1 undecidable manual P 28 20.6682 116 0.11 100
IT.MTCL.HGE. 2021-02-27T19:40:42.53 0.3 undecidable manual P 14 22.4553 115 -0.22 73
IV.GAVE.EHZ. 2021-02-27T19:40:41.31 0.1 positive manual P 194 12.0768 130 0.34 97
IV.NRCA.HHZ. 2021-02-27T19:40:41.66 0.1 positive manual P 75 15.4734 124 0.14 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.5 0.0002875 0.1 AML other m 2021-02-27T19:40:44.54
IV.NRCA.HNN. ML:1.4 0.0002472551 0.0896 AML other m 2021-02-27T19:40:44.55
IV.GAVE.EHN. ML:1.4 0.0002630652 0.1664 AML other m 2021-02-27T19:40:44.61
IV.GAVE.EHE. ML:1.4 0.000308 1.86 AML other m 2021-02-27T19:40:44.99
IV.GAVE.HNE. ML:1.5 0.00032480620000000003 1.872 AML other m 2021-02-27T19:40:44.06
IV.NRCA.HHE. ML:1.5 0.0002695 0.14 AML other m 2021-02-27T19:40:45.63
IV.NRCA.HNE. ML:1.5 0.00028225755 0.1408 AML other m 2021-02-27T19:40:45.63
IV.LNSS.HHE. ML:1.6 0.0002585 0.14 AML other m 2021-02-27T19:40:46.66
IV.LNSS.HNE. ML:1.5 0.00020908315 0.1408 AML other m 2021-02-27T19:40:46.66
IV.CESI.HHN. ML:1.5 0.000217322465 0.1536 AML other m 2021-02-27T19:40:46.69
IV.LNSS.HNN. ML:1.6 0.000247776 0.1792 AML other m 2021-02-27T19:40:46.74
IV.CESI.HHE. ML:1.3 0.00011666745 0.1024 AML other m 2021-02-27T19:40:46.73
IV.LNSS.HHN. ML:1.6 0.0002505 0.2 AML other m 2021-02-27T19:40:46.92
IV.GAVE.HNN. ML:1.2 0.00015564430000000002 0.832 AML other m 2021-02-27T19:40:48.55
IV.FDMO.HHN. ML:1.7 0.000232 0.14 AML other m 2021-02-27T19:40:48.34
IV.FDMO.HHE. ML:1.6 0.00019700000000000002 0.36 AML other m 2021-02-27T19:40:48.31
IV.ARRO.EHE. ML:0.9 0.00004635 0.6 AML other m 2021-02-27T19:40:48.28
IV.CESI.HNN. ML:2.1 0.0007846526 0.4864 AML other m 2021-02-27T19:40:48.45
IV.ARRO.EHN. ML:0.9 0.00004513471 1.8592 AML other m 2021-02-27T19:40:48.95
IV.CESI.HNE. ML:1.4 0.00016128636500000002 0.7296 AML other m 2021-02-27T19:40:52.49
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