Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.8 on date 10-01-2020 and time 05:06:22 (Italy) in region 4 km NE Cerreto di Spoleto (PG)

A magnitude ML 0.8 earthquake occured in region: 4 km NE Cerreto di Spoleto (PG), on

  • 10-01-2020 04:06:22 (UTC)
  • 10-01-2020 05:06:22 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8430, 12.9620 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.

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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 5 1075 1075
Sellano PG 6 1079 2154
Preci PG 8 724 2878
Vallo di Nera PG 11 364 3242
Norcia PG 12 4957 8199
Visso MC 14 1107 9306
Cascia PG 14 3217 12523
Poggiodomo PG 15 117 12640
Campello sul Clitunno PG 15 2442 15082
Sant'Anatolia di Narco PG 16 564 15646
Castelsantangelo sul Nera MC 17 281 15927
Monte Cavallo MC 17 145 16072
Scheggino PG 18 461 16533
Trevi PG 18 8469 25002
Ussita MC 18 444 25446

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km SE of Foligno (57155 inhabitants)
41 Km NE of Terni (111501 inhabitants)
55 Km SE of Perugia (166134 inhabitants)
64 Km W of Teramo (54892 inhabitants)
65 Km NW of L'Aquila (69753 inhabitants)
85 Km NE of Viterbo (67173 inhabitants)
96 Km N of Guidonia Montecelio (88673 inhabitants)
97 Km SW of Ancona (100861 inhabitants)
99 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 0.8 2020-01-10
04:06:22		 42.8428 12.9625 10 2020-01-10
04:20:07		 Sala Sismica INGV-Roma 75423021
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-01-10 04:06:22 ± 0.04
Latitude 42.8428 ± 0.0018
Longitude 12.9625 ± 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 75423021

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 242
Semi-minor axis of confidence ellipse (meter) 146
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 271
Circular confidence region, given by single value of horizontal uncertainty (meter) 240.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 147
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.09
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.30577
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.1
Num. used stations 6
Type of magnitude ML
Reference to an origin 75423021
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-01-10 04:20:07
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2020-01-10T04:06:34.26 0.1 undecidable manual S 35 33.9438 50 0.1 95
IV.MMO1.EHZ. 2020-01-10T04:06:33.09 0.1 undecidable manual S 78 30.2475 50 -0.1 96
IV.FDMO.HHZ. 2020-01-10T04:06:31.20 0.1 undecidable manual S 25 23.754 113 -0.14 96
IV.GAVE.EHZ. 2020-01-10T04:06:29.39 0.1 undecidable manual S 198 17.5713 120 -0.04 99
IV.CSP1.EHZ. 2020-01-10T04:06:29.23 0.1 undecidable manual P 35 33.9438 50 0.04 96
IV.CESI.HHZ. 2020-01-10T04:06:29.70 0.1 undecidable manual S 345 18.5703 118 -0.02 99
IV.MMO1.EHZ. 2020-01-10T04:06:28.59 0.1 undecidable manual P 78 30.2475 50 -0.04 97
IV.FDMO.HHZ. 2020-01-10T04:06:27.54 0.1 undecidable manual P 25 23.754 113 -0.03 98
IV.NRCA.HHZ. 2020-01-10T04:06:27.97 0.1 undecidable manual S 95 12.3765 129 0.05 100
IV.ARRO.EHZ. 2020-01-10T04:06:27.24 3.0 positive manual P -0.45 0
IV.GAVE.EHZ. 2020-01-10T04:06:26.42 0.1 undecidable manual P 198 17.5713 120 -0.04 99
IV.CESI.HHZ. 2020-01-10T04:06:26.74 0.1 positive manual P 345 18.5703 118 0.11 98
IV.NRCA.HHZ. 2020-01-10T04:06:25.71 0.1 undecidable manual P 95 12.3765 129 0.12 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:0.7 0.00005685 0.4 AML other m 2020-01-10T04:06:28.28
IV.NRCA.HHN. ML:0.6 0.00004565 1.42 AML other m 2020-01-10T04:06:28.88
IV.GAVE.EHN. ML:0.8 0.0000563 0.34 AML other m 2020-01-10T04:06:29.78
IV.GAVE.EHE. ML:0.9 0.00006645 1.56 AML other m 2020-01-10T04:06:29.98
IV.FDMO.HHN. ML:0.8 0.000038 0.14 AML other m 2020-01-10T04:06:31.38
IV.FDMO.HHE. ML:1.0 0.0000534 0.38 AML other m 2020-01-10T04:06:31.41
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