Earthquake with magnitude of ML 1.1 on date 09-02-2020 and time 23:51:42 (Italy) in region 4 km SE Cerreto di Spoleto (PG)

A magnitude ML 1.1 earthquake occured in region: 4 km SE Cerreto di Spoleto (PG), on

  • 09-02-2020 22:51:42 (UTC)
  • 09-02-2020 23:51:42 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7860, 12.9440 at 11 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
Cerreto di Spoleto PG 4 1075 1075
Vallo di Nera PG 7 364 1439
Poggiodomo PG 8 117 1556
Cascia PG 9 3217 4773
Sant'Anatolia di Narco PG 11 564 5337
Sellano PG 12 1079 6416
Norcia PG 12 4957 11373
Scheggino PG 12 461 11834
Preci PG 13 724 12558
Campello sul Clitunno PG 14 2442 15000
Monteleone di Spoleto PG 15 599 15599
Spoleto PG 18 38218 53817
Trevi PG 19 8469 62286

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km SE of Foligno (57155 inhabitants)
35 Km NE of Terni (111501 inhabitants)
58 Km SE of Perugia (166134 inhabitants)
61 Km NW of L'Aquila (69753 inhabitants)
64 Km W of Teramo (54892 inhabitants)
80 Km NE of Viterbo (67173 inhabitants)
89 Km N of Guidonia Montecelio (88673 inhabitants)
92 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
Reviewed
Rev100
ML 1.1 2020-02-09
22:51:42
42.786 12.9445 11 2020-02-09
23:00:41
Sala Sismica INGV-Roma 76386461
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-02-09 22:51:42 ± 0.03
Latitude 42.7860 ± 0.0018
Longitude 12.9445 ± 0.0037
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 76386461

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 271
Semi-minor axis of confidence ellipse (meter) 114
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 116
Circular confidence region, given by single value of horizontal uncertainty (meter) 270.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 90
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.10072
Epicentral distance of station farthest from the epicenter (degree) 0.45686
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 76386461
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-02-09 23:00:41
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FDMO.HHZ. 2020-02-09T22:51:53.24 0.3 undecidable manual S 23 30.1476 50 0.09 73
IV.ARRO.EHZ. 2020-02-09T22:51:52.33 0.3 undecidable manual S 212 27.1506 50 -0.04 74
IV.ATCC.HNN. 2020-02-09T22:51:51.87 0.6 undecidable manual P 331 50.7159 50 0.01 48
IV.MC2.EHZ. 2020-02-09T22:51:51.84 0.6 undecidable manual S 55 24.2535 50 0.26 47
IV.CESI.HHZ. 2020-02-09T22:51:51.58 0.3 undecidable manual S 352 24.4533 50 -0.07 74
IT.MTCL.HGZ. 2020-02-09T22:51:51.30 0.3 undecidable manual S 11 23.4543 50 -0.08 74
IV.LNSS.HHZ. 2020-02-09T22:51:50.79 0.3 undecidable manual S 159 21.7671 50 -0.13 73
IV.NRCA.HHZ. 2020-02-09T22:51:48.74 0.3 undecidable manual S 69 14.7741 126 -0.18 74
IV.ARRO.EHZ. 2020-02-09T22:51:48.23 0.3 undecidable manual P 212 27.1506 50 0 75
IV.MOMA.HHE. 2020-02-09T22:51:48.75 0.1 undecidable manual P 274 30.5472 50 0 99
IV.FDMO.HHZ. 2020-02-09T22:51:48.58 0.3 positive manual P 23 30.1476 50 -0.1 73
IV.GAVE.EHZ. 2020-02-09T22:51:47.93 0.3 undecidable manual S 202 11.1777 134 -0.03 76
IV.CESI.HHZ. 2020-02-09T22:51:47.81 0.1 negative manual P 352 24.4533 50 0 100
IT.MTCL.HGZ. 2020-02-09T22:51:47.56 0.6 undecidable manual P 11 23.4543 50 -0.1 49
IV.LNSS.HHZ. 2020-02-09T22:51:47.44 0.3 undecidable manual P 159 21.7671 50 0.04 75
IV.MC2.EHZ. 2020-02-09T22:51:47.94 0.6 undecidable manual P 55 24.2535 50 0.16 48
IV.NRCA.HHZ. 2020-02-09T22:51:46.29 0.3 undecidable manual P 69 14.7741 126 0.05 76
IV.GAVE.EHZ. 2020-02-09T22:51:45.87 0.3 positive manual P 202 11.1777 134 0.18 74
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GAVE.EHE. ML:1.4 0.00027413425 0.2176 AML other m 2020-02-09T22:51:48.16
IV.GAVE.EHN. ML:1.2 0.00017848069999999998 0.128 AML other m 2020-02-09T22:51:47.99
IV.GAVE.HNE. ML:1.4 0.00026738115 0.1664 AML other m 2020-02-09T22:51:48.26
IV.GAVE.HNN. ML:1.2 0.00018072420000000001 0.8192 AML other m 2020-02-09T22:51:49.45
IV.NRCA.HHE. ML:1.1 0.000116323065 0.1024 AML other m 2020-02-09T22:51:48.90
IV.NRCA.HHN. ML:1.2 0.00013576115 0.1664 AML other m 2020-02-09T22:51:48.79
IV.NRCA.HNE. ML:1.1 0.00011513153500000001 0.0896 AML other m 2020-02-09T22:51:48.90
IV.NRCA.HNN. ML:1.3 0.00019707225000000002 0.9856 AML other m 2020-02-09T22:51:49.54
IV.LNSS.HHE. ML:1.1 0.00008479385 0.1664 AML other m 2020-02-09T22:51:51.23
IV.LNSS.HHN. ML:0.9 0.00005347825 0.1024 AML other m 2020-02-09T22:51:51.39
IV.LNSS.HNE. ML:1.3 0.0001432688 0.9344 AML other m 2020-02-09T22:51:50.26
IV.LNSS.HNN. ML:1.2 0.00011368181999999999 0.4352 AML other m 2020-02-09T22:51:52.61
IV.CESI.HHE. ML:0.7 0.000027545225 0.0896 AML other m 2020-02-09T22:51:52.04
IV.CESI.HHN. ML:0.9 0.00004823226 0.2688 AML other m 2020-02-09T22:51:51.81
IV.CESI.HNE. ML:1.3 0.000108821325 0.7168 AML other m 2020-02-09T22:51:54.11
IV.CESI.HNN. ML:1.4 0.000146979145 0.9088 AML other m 2020-02-09T22:51:50.14
IV.ARRO.EHE. ML:0.6 0.000018026104500000002 0.1792 AML other m 2020-02-09T22:51:52.90
IV.ARRO.EHN. ML:0.6 0.000019414365000000003 0.2048 AML other m 2020-02-09T22:51:52.99
IV.FDMO.HHE. ML:0.7 0.000027267105 0.1664 AML other m 2020-02-09T22:51:53.38
IV.FDMO.HHN. ML:0.5 0.000016855345 0.1408 AML other m 2020-02-09T22:51:53.34
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