Earthquake with magnitude of ML 1.3 on date 01-02-2021 and time 00:26:56 (UTC) in region 2 km NE Cerreto di Spoleto (PG)

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

  • 01-02-2021 00:26:56 (UTC)
  • 01-02-2021 01:26:56 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8400, 12.9320 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
Sellano PG 6 1079 2154
Vallo di Nera PG 10 364 2518
Preci PG 10 724 3242
Campello sul Clitunno PG 13 2442 5684
Norcia PG 14 4957 10641
Sant'Anatolia di Narco PG 14 564 11205
Poggiodomo PG 14 117 11322
Cascia PG 15 3217 14539
Trevi PG 16 8469 23008
Scheggino PG 16 461 23469
Visso MC 16 1107 24576
Monte Cavallo MC 18 145 24721
Castelsantangelo sul Nera MC 19 281 25002
Spoleto PG 20 38218 63220

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km SE of Foligno (57155 inhabitants)
39 Km NE of Terni (111501 inhabitants)
53 Km SE of Perugia (166134 inhabitants)
66 Km W of Teramo (54892 inhabitants)
66 Km NW of L'Aquila (69753 inhabitants)
82 Km NE of Viterbo (67173 inhabitants)
95 Km N of Guidonia Montecelio (88673 inhabitants)
98 Km N of Tivoli (56533 inhabitants)
99 Km SW of Ancona (100861 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 2021-02-01
00:26:56
42.8397 12.9323 10 2021-07-12
16:54:56
Bollettino Sismico Italiano INGV 86758071
Reviewed
Rev100
ML 1.3 2021-02-01
00:26:55
42.8395 12.941 11 2021-02-01
00:33:13
Sala Sismica INGV-Roma 86747031
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-02-01 00:26:56 ± 0.05
Latitude 42.8397 ± 0.0027
Longitude 12.9323 ± 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 86758071

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 279
Semi-minor axis of confidence ellipse (meter) 180
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 76
Circular confidence region, given by single value of horizontal uncertainty (meter) 280.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 57
Number of associated phases, regardless of their use for origin computation 38
Number of defining phases 38
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.13310
Epicentral distance of station farthest from the epicenter (degree) 0.53869
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 19
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 86758071
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-06-01 01:30:59

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 86747031
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-02-01 00:33:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TERO.HHZ. 2021-02-01T00:27:14.83 0.6 undecidable manual S 113 59.7957 50 0.19 44
IV.EL6.EHZ. 2021-02-01T00:27:14.30 0.6 undecidable manual S 14 55.9995 50 0.67 39
IV.RM33.EHZ. 2021-02-01T00:27:10.23 0.6 undecidable manual S 148 43.3233 50 -0.01 48
IV.SMA1.EHN. 2021-02-01T00:27:10.23 0.6 undecidable manual S 125 40.2264 50 0.82 38
IV.GUMA.HNN. 2021-02-01T00:27:10.17 0.6 undecidable manual S 53 41.0256 50 0.54 42
IV.CSP1.EHZ. 2021-02-01T00:27:08.05 0.6 undecidable manual S 38 35.6421 50 -0.15 47
IV.T1299.HNN. 2021-02-01T00:27:08.70 0.6 undecidable manual S 129 36.5412 50 0.28 45
IV.ARRO.EHZ. 2021-02-01T00:27:07.19 0.6 undecidable manual S 205 31.9458 50 -0.01 49
IV.MMO1.EHZ. 2021-02-01T00:27:07.11 0.3 undecidable manual S 78 32.745 50 -0.31 68
IV.EL6.EHZ. 2021-02-01T00:27:06.17 0.1 undecidable manual P 14 55.9995 50 -0.03 93
IV.TERO.HHZ. 2021-02-01T00:27:06.71 0.3 undecidable manual P 113 59.7957 50 -0.06 68
IV.MOMA.HHZ. 2021-02-01T00:27:06.69 0.3 undecidable manual S 262 29.748 50 0.07 72
IV.ASSB.HHZ. 2021-02-01T00:27:06.84 0.3 undecidable manual S 315 31.6461 50 -0.28 69
IV.FDMO.HHZ. 2021-02-01T00:27:05.06 0.3 undecidable manual S 30 25.2525 50 -0.35 69
IT.FOPC.HGN. 2021-02-01T00:27:05.13 0.6 undecidable manual S 308 23.5542 113 0.19 48
IV.LNSS.HHZ. 2021-02-01T00:27:05.52 0.3 undecidable manual S 161 27.6501 50 -0.55 65
IV.RM33.EHZ. 2021-02-01T00:27:04.27 0.3 undecidable manual P 148 43.3233 50 0.04 71
IV.SMA1.EHN. 2021-02-01T00:27:04.21 0.3 undecidable manual P 125 40.2264 50 0.46 65
IV.GUMA.HNN. 2021-02-01T00:27:04.00 0.3 undecidable manual P 53 41.0256 50 0.12 70
IV.T1299.HNN. 2021-02-01T00:27:03.21 0.3 undecidable manual P 129 36.5412 50 0.03 72
IV.CESI.HHZ. 2021-02-01T00:27:03.39 0.3 undecidable manual S 353 18.4704 119 0.03 74
IT.MTCL.HGZ. 2021-02-01T00:27:03.16 0.6 undecidable manual S 18 17.9709 120 -0.04 49
IV.MMO1.EHZ. 2021-02-01T00:27:02.39 0.1 undecidable manual P 78 32.745 50 -0.22 93
IV.MOMA.HHZ. 2021-02-01T00:27:02.29 0.3 undecidable manual P 262 29.748 50 0.15 71
IV.ASSB.HHZ. 2021-02-01T00:27:02.40 0.1 undecidable manual P 315 31.6461 50 -0.04 97
IV.NRCA.HHZ. 2021-02-01T00:27:02.09 0.3 undecidable manual S 93 14.7741 125 -0.19 72
IV.CSP1.EHZ. 2021-02-01T00:27:02.91 0.1 undecidable manual P 38 35.6421 50 -0.15 94
IV.GAVE.EHZ. 2021-02-01T00:27:02.68 0.3 undecidable manual S 191 16.6722 122 -0.13 73
IV.FEMA.HNE. 2021-02-01T00:27:02.85 0.6 undecidable manual S 35 16.5723 122 0.05 49
IV.ARRO.EHZ. 2021-02-01T00:27:02.43 0.3 undecidable manual P 205 31.9458 50 -0.05 72
IV.FDMO.HHZ. 2021-02-01T00:27:01.28 0.1 undecidable manual P 30 25.2525 50 -0.16 95
IT.FOPC.HGN. 2021-02-01T00:27:01.25 0.3 undecidable manual P 308 23.5542 113 0.08 73
IV.LNSS.HHZ. 2021-02-01T00:27:01.72 0.1 undecidable manual P 161 27.6501 50 -0.11 96
IV.GAVE.EHZ. 2021-02-01T00:27:00.07 0.1 undecidable manual P 191 16.6722 122 0.13 97
IV.FEMA.HNE. 2021-02-01T00:27:00.05 0.3 undecidable manual P 35 16.5723 122 0.11 73
IV.CESI.HHZ. 2021-02-01T00:27:00.34 0.1 undecidable manual P 353 18.4704 119 0.08 98
IT.MTCL.HGZ. 2021-02-01T00:27:00.16 0.3 undecidable manual P 18 17.9709 120 -0.01 74
IV.NRCA.HHZ. 2021-02-01T00:26:59.65 0.1 negative manual P 93 14.7741 125 0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.8 0.0005520000000000001 0.1 AML other m 2021-02-01T00:27:02.24
IV.NRCA.HHE. ML:1.4 0.000253 1.56 AML other m 2021-02-01T00:27:02.09
IV.GAVE.EHE. ML:1.5 0.000265 0.32 AML other m 2021-02-01T00:27:03.18
IV.GAVE.EHN. ML:1.4 0.0002235 0.14 AML other m 2021-02-01T00:27:03.40
IV.CESI.HHN. ML:1.2 0.00013015 0.3 AML other m 2021-02-01T00:27:03.76
IV.CESI.HHE. ML:1.1 0.000092 1.28 AML other m 2021-02-01T00:27:03.85
IV.FDMO.HHN. ML:1.0 0.00005485 0.18 AML other m 2021-02-01T00:27:05.34
IV.FDMO.HHE. ML:1.1 0.00007225 0.46 AML other m 2021-02-01T00:27:05.45
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