Earthquake with magnitude of ML 0.4 on date 04-11-2020 and time 05:12:53 (Italy) in region 3 km NW Cerreto di Spoleto (PG)

A magnitude ML 0.4 earthquake occured in region: 3 km NW Cerreto di Spoleto (PG), on

  • 04-11-2020 04:12:53 (UTC)
  • 04-11-2020 05:12:53 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8440, 12.8990 at 10 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 3 1075 1075
Sellano PG 6 1079 2154
Vallo di Nera PG 9 364 2518
Campello sul Clitunno PG 10 2442 4960
Preci PG 12 724 5684
Trevi PG 13 8469 14153
Sant'Anatolia di Narco PG 13 564 14717
Poggiodomo PG 15 117 14834
Scheggino PG 16 461 15295
Cascia PG 17 3217 18512
Norcia PG 17 4957 23469
Spoleto PG 18 38218 61687
Visso MC 18 1107 62794
Castel Ritaldi PG 19 3278 66072
Monte Cavallo MC 19 145 66217

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km SE of Foligno (57155 inhabitants)
38 Km NE of Terni (111501 inhabitants)
51 Km SE of Perugia (166134 inhabitants)
68 Km NW of L'Aquila (69753 inhabitants)
69 Km W of Teramo (54892 inhabitants)
80 Km NE of Viterbo (67173 inhabitants)
95 Km N of Guidonia Montecelio (88673 inhabitants)
98 Km N of Tivoli (56533 inhabitants)
100 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
Reviewed
Rev100
ML 0.4 2020-11-04
04:12:53
42.8442 12.8988 10 2020-11-04
04:34:12
Sala Sismica INGV-Roma 84438841
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-11-04 04:12:53 ± 0.06
Latitude 42.8442 ± 0.0018
Longitude 12.8988 ± 0.0037
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 84438841

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 300
Semi-minor axis of confidence ellipse (meter) 222
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 107
Circular confidence region, given by single value of horizontal uncertainty (meter) 300.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 181
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.08
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.23652
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 4
Magnitude information

ML:0.4

Field Value
Value 0.4
Uncertainty 0.6
Num. used stations 10
Type of magnitude ML
Reference to an origin 84438841
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-11-04 04:34:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FDMO.HHZ. 2020-11-04T04:13:03.06 0.6 undecidable manual S 36 26.2515 50 -0.03 65
IV.NRCA.HNE. 2020-11-04T04:13:00.51 0.3 undecidable manual S 94 17.5713 120 0 100
IV.GAVE.EHZ. 2020-11-04T04:13:00.16 0.6 undecidable manual S 181 16.872 121 -0.14 65
IV.CESI.HHZ. 2020-11-04T04:13:00.49 0.6 undecidable manual S 2 17.871 120 -0.1 65
IV.SAMA.EHZ. 2020-11-04T04:12:59.30 3.0 positive manual P -0.01 0
IV.FDMO.HHZ. 2020-11-04T04:12:58.93 1.0 positive manual P 36 26.2515 50 -0.08 32
IV.GAVE.EHZ. 2020-11-04T04:12:57.49 0.3 positive manual P 181 16.872 121 0.09 98
IV.CESI.HHZ. 2020-11-04T04:12:57.65 0.3 negative manual P 2 17.871 120 0.08 98
IV.NRCA.HNE. 2020-11-04T04:12:57.56 0.6 undecidable manual P 94 17.5713 120 0.04 66
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GAVE.EHE. ML:0.5 0.0000264189195 0.08 AML other m 2020-11-04T04:13:00.40
IV.GAVE.EHN. ML:0.2 0.000016247525500000003 0.1984 AML other m 2020-11-04T04:13:00.36
IV.GAVE.HNE. ML:1.1 0.00011305255 0.752 AML other m 2020-11-04T04:13:06.11
IV.GAVE.HNN. ML:1.4 0.0002321592 1.1904 AML other m 2020-11-04T04:13:16.46
IV.CESI.HHE. ML:0.1 0.00001225869 1.3216 AML other m 2020-11-04T04:13:19.41
IV.CESI.HHN. ML:0.3 0.000013101756999999998 0.1408 AML other m 2020-11-04T04:13:00.92
IV.CESI.HNE. ML:1.2 0.00014643805 0.8896 AML other m 2020-11-04T04:13:04.22
IV.CESI.HNN. ML:2.3 0.001542507 0.8576 AML other m 2020-11-04T04:13:08.29
IV.FDMO.HHE. ML:0.0 0.000005993322000000001 1.0208 AML other m 2020-11-04T04:13:23.57
IV.FDMO.HHN. ML:0.0 0.0000044369565 0.2976 AML other m 2020-11-04T04:13:04.04
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