Earthquake with magnitude of ML 1.4 on date 17-08-2019 and time 20:15:25 (Italy) in region 1 km SE Cerreto di Spoleto (PG)

A magnitude ML 1.4 earthquake occured in region: 1 km SE Cerreto di Spoleto (PG), on

  • 17-08-2019 18:15:25 (UTC)
  • 17-08-2019 20:15:25 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.82, 12.93 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 1 1075 1075
Vallo di Nera PG 7 364 1439
Sellano PG 8 1079 2518
Poggiodomo PG 11 117 2635
Preci PG 12 724 3359
Sant'Anatolia di Narco PG 12 564 3923
Campello sul Clitunno PG 12 2442 6365
Cascia PG 13 3217 9582
Scheggino PG 14 461 10043
Norcia PG 14 4957 15000
Trevi PG 16 8469 23469
Spoleto PG 18 38218 61687
Monteleone di Spoleto PG 18 599 62286
Visso MC 18 1107 63393

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km SE of Foligno (57155 inhabitants)
36 Km NE of Terni (111501 inhabitants)
55 Km SE of Perugia (166134 inhabitants)
64 Km NW of L'Aquila (69753 inhabitants)
66 Km W of Teramo (54892 inhabitants)
81 Km NE of Viterbo (67173 inhabitants)
92 Km N of Guidonia Montecelio (88673 inhabitants)
95 Km N of Tivoli (56533 inhabitants)
Recent and historical Seismicity
Seismic hazard
Shakemap
Felt maps
The earthquake effects in MCS scale as obtained from the compiled questionnaire

The earthquake effects in MCS scale as obtained from the compiled questionnaire

This map shows the distribution of the effects of the earthquake on the territory in terms of the MCS (Mercalli-Cancani-Sieberg) intensity scale. The intensities are determined using the data provided in the questionnaire (http://www.haisentitoilterremoto.it/) that are analysed using robust statistical techniques since they are not verified individually. Specifically, the assignment of MCS intensities greater or equal the VI degree of the MCS scale require opportune in situ verification by professional experts. The purple start shows the epicenter. This map is prepared every so often that the population fill in new questionnaires. The number of questionnaires used to determine the map and the date and time of the last adjournment are shown in the upper right part of the panel.
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Rev 100 ML 1.4 2019-08-17
18:15:25
42.81 12.93 10 2019-08-17
19:48:06
Sala Sismica INGV-Roma 71580941
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-08-17 18:15:25 ± 0.07
Latitude 42.81 ± 0.00
Longitude 12.93 ± 0.01
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 71580941

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 463
Semi-minor axis of confidence ellipse (meter) 214
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 100
Circular confidence region, given by single value of horizontal uncertainty (meter) 460
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 124
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 20
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
Epicentral distance of station farthest from the epicenter (degree) 0.5297
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 71580941
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-08-17 19:48:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
GU.CARD.HHZ. 2019-08-17T18:16:36.32 3.0 undecidable manual Sg 8.22 0
IV.FIU.EHZ. 2019-08-17T18:16:32.58 3.0 undecidable manual Sg 5.81 0
IT.VNF1.HGZ. 2019-08-17T18:16:14.83 3.0 undecidable manual S -0.17 0
IV.ARVD.HHZ. 2019-08-17T18:15:49.53 3.0 undecidable manual S -0.18 0
IV.EL6.EHZ. 2019-08-17T18:15:44.85 0.3 undecidable manual S 14 0.5297 50 0.68 59
IV.SNTG.HHZ. 2019-08-17T18:15:41.83 0.6 undecidable manual S 1 0.4398 50 0.31 45
IV.MF5.EHZ. 2019-08-17T18:15:39.69 3.0 undecidable manual S -2.4 0
IV.RM33.EHZ. 2019-08-17T18:15:39.58 0.6 undecidable manual S 145 0.3705 50 0.11 48
IV.CESX.HHZ. 2019-08-17T18:15:38.15 0.6 undecidable manual S 231 0.3247 50 0.04 49
IV.CSP1.EHZ. 2019-08-17T18:15:38.65 0.6 undecidable manual S 36 0.3426 50 0.02 49
IV.TERO.HHZ. 2019-08-17T18:15:38.23 3.0 undecidable manual P 1.05 0
IV.FIAM.HHZ. 2019-08-17T18:15:37.20 3.0 positive manual P -0.56 0
IV.EL6.EHZ. 2019-08-17T18:15:36.22 0.1 undecidable manual P 14 0.5297 50 -0.16 92
IV.FDMO.HHZ. 2019-08-17T18:15:35.52 0.3 undecidable manual S 28 0.25 50 -0.37 70
IV.LNSS.HHZ. 2019-08-17T18:15:35.04 0.3 undecidable manual S 159 0.2275 111 -0.09 74
IV.MC2.EHZ. 2019-08-17T18:15:34.70 0.3 undecidable manual S 63 0.2131 112 0.06 75
IV.SNTG.HHZ. 2019-08-17T18:15:34.72 0.1 undecidable manual P 1 0.4398 50 -0.13 94
IV.CSP1.EHZ. 2019-08-17T18:15:33.03 0.1 undecidable manual P 36 0.3426 50 -0.15 95
IV.RM33.EHZ. 2019-08-17T18:15:33.70 0.1 undecidable manual P 145 0.3705 50 0.04 97
IV.CESI.HHZ. 2019-08-17T18:15:33.74 0.6 undecidable manual S 355 0.1907 115 -0.1 50
IV.CESX.HHZ. 2019-08-17T18:15:32.88 0.1 undecidable manual P 231 0.3247 50 0 99
IV.LNSS.HHZ. 2019-08-17T18:15:31.20 0.1 undecidable manual P 159 0.2275 111 0.04 100
IV.NRCA.HHZ. 2019-08-17T18:15:31.96 0.3 undecidable manual S 82 0.1367 123 -0.06 76
IV.FDMO.HHZ. 2019-08-17T18:15:31.40 0.1 positive manual P 28 0.25 50 -0.2 96
IV.CESI.HHZ. 2019-08-17T18:15:30.48 0.1 undecidable manual P 355 0.1907 115 0.06 100
IV.MC2.EHZ. 2019-08-17T18:15:30.91 0.3 undecidable manual P 63 0.2131 112 0.03 75
IV.NRCA.HHZ. 2019-08-17T18:15:29.55 0.1 negative manual P 82 0.1367 123 0.18 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.9 0.000842 0.6 AML other m 2019-08-17T18:15:32.14
IV.NRCA.HHE. ML:1.7 0.0005295 0.16 AML other m 2019-08-17T18:15:32.14
IV.CESI.HHE. ML:1.4 0.000158 0.52 AML other m 2019-08-17T18:15:34.06
IV.CESI.HHN. ML:1.5 0.000227 1.8 AML other m 2019-08-17T18:15:34.06
IV.FDMO.HHN. ML:1.4 0.0001257 0.16 AML other m 2019-08-17T18:15:35.70
IV.LNSS.HHE. ML:1.9 0.0004975 0.14 AML other m 2019-08-17T18:15:35.65
IV.LNSS.HHN. ML:1.7 0.000265 0.14 AML other m 2019-08-17T18:15:35.79
IV.FDMO.HHE. ML:1.4 0.0001465 1.34 AML other m 2019-08-17T18:15:36.00
IV.CESX.HHN. ML:1.3 7.635E-5 1.42 AML other m 2019-08-17T18:15:38.23
IV.CESX.HHE. ML:1.1 4.615E-5 0.44 AML other m 2019-08-17T18:15:40.32
IV.RM33.EHE. ML:1.3 6.755E-5 0.54 AML other m 2019-08-17T18:15:40.05
IV.RM33.EHN. ML:1.4 8.865E-5 0.48 AML other m 2019-08-17T18:15:40.09
IV.SNTG.HHE. ML:1.1 3.63E-5 1.16 AML other m 2019-08-17T18:15:42.88
IV.SNTG.HHN. ML:1.2 4.11E-5 0.22 AML other m 2019-08-17T18:15:42.75
IV.ARVD.HHE. ML:1.2 2.62E-5 1.18 AML other m 2019-08-17T18:15:49.10
IV.ARVD.HHN. ML:1 1.68E-5 0.7 AML other m 2019-08-17T18:15:50.75
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download