Earthquake with magnitude of ML 1.2 on date 16-07-2019 and time 07:21:23 (UTC) in region 2 km SE Cerreto di Spoleto (PG)

A magnitude ML 1.2 earthquake occured in region: 2 km SE Cerreto di Spoleto (PG), on

  • 16-07-2019 07:21:23 (UTC)
  • 16-07-2019 09:21:23 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8, 12.93 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 2 1075 1075
Vallo di Nera PG 6 364 1439
Sellano PG 10 1079 2518
Poggiodomo PG 10 117 2635
Sant'Anatolia di Narco PG 11 564 3199
Cascia PG 12 3217 6416
Campello sul Clitunno PG 12 2442 8858
Preci PG 13 724 9582
Scheggino PG 13 461 10043
Norcia PG 14 4957 15000
Monteleone di Spoleto PG 17 599 15599
Trevi PG 17 8469 24068
Spoleto PG 17 38218 62286
Visso MC 20 1107 63393

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km SE of Foligno (57155 inhabitants)
35 Km NE of Terni (111501 inhabitants)
55 Km SE of Perugia (166134 inhabitants)
63 Km NW of L'Aquila (69753 inhabitants)
66 Km W of Teramo (54892 inhabitants)
80 Km NE of Viterbo (67173 inhabitants)
91 Km N of Guidonia Montecelio (88673 inhabitants)
94 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 1.2 2019-07-16
07:21:23
42.8 12.93 11 2019-07-16
07:30:33
Sala Sismica INGV-Roma 70622391
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-07-16 07:21:23 ± 0.04
Latitude 42.80 ± 0.00
Longitude 12.93 ± 0.00
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 70622391

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 308
Semi-minor axis of confidence ellipse (meter) 165
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 108
Circular confidence region, given by single value of horizontal uncertainty (meter) 310
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 128
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
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) 0.11242
Epicentral distance of station farthest from the epicenter (degree) 0.31027
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 9
Type of magnitude ML
Reference to an origin 70622391
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-07-16 07:30:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.FDMO.HHZ. 2019-07-16T07:21:34.04 0.6 undecidable manual S 26 0.2617 50 0.04 49
IV.LNSS.HHZ. 2019-07-16T07:21:32.56 0.6 undecidable manual S 157 0.2158 50 -0.09 49
IV.CESI.HNZ. 2019-07-16T07:21:32.23 0.6 undecidable manual S 355 0.2032 50 -0.04 49
IV.NRCA.HNZ. 2019-07-16T07:21:30.18 0.6 undecidable manual S 77 0.1403 125 -0.14 49
IV.ASSB.HHZ. 2019-07-16T07:21:30.40 0.6 undecidable manual P 321 0.3103 50 -0.1 48
IV.FDMO.HHZ. 2019-07-16T07:21:29.61 0.6 positive manual P 26 0.2617 50 -0.05 49
IV.GAVE.EHZ. 2019-07-16T07:21:29.40 0.3 undecidable manual S 193 0.1124 131 -0.08 75
IV.MC2.EHE. 2019-07-16T07:21:29.05 0.1 undecidable manual P 60 0.2203 50 0.09 97
IV.LNSS.HHZ. 2019-07-16T07:21:28.89 0.1 negative manual P 157 0.2158 50 0.01 99
IV.CESI.HNZ. 2019-07-16T07:21:28.65 0.3 undecidable manual P 355 0.2032 50 -0.01 74
IV.NRCA.HNZ. 2019-07-16T07:21:27.57 0.1 undecidable manual P 77 0.1403 125 0.03 100
IV.GAVE.EHZ. 2019-07-16T07:21:27.21 0.3 positive manual P 193 0.1124 131 0.16 73
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GAVE.EHE. ML:1.4 0.00027266985 0.2016 AML other m 2019-07-16T07:21:29.71
IV.GAVE.EHN. ML:1.4 0.00026170785 0.16 AML other m 2019-07-16T07:21:30.08
IV.GAVE.HNE. ML:1.4 0.00027489 0.1792 AML other m 2019-07-16T07:21:29.61
IV.GAVE.HNN. ML:1.2 0.00016228135 0.8704 AML other m 2019-07-16T07:21:30.17
IV.LNSS.HHE. ML:1 6.5679025E-5 0.1184 AML other m 2019-07-16T07:21:32.95
IV.LNSS.HHN. ML:0.9 4.9777905E-5 0.1408 AML other m 2019-07-16T07:21:32.96
IV.LNSS.HNN. ML:1.4 0.0001428955 0.7776 AML other m 2019-07-16T07:21:32.22
IV.FDMO.HHE. ML:0.5 1.530953E-5 0.1792 AML other m 2019-07-16T07:21:34.84
IV.FDMO.HHN. ML:0.6 2.20878195E-5 0.1376 AML other m 2019-07-16T07:21:34.20
IV.ASSB.HHE. ML:0.9 3.3932425E-5 2.4992 AML other m 2019-07-16T07:21:36.25
IV.ASSB.HHN. ML:0.7 1.87461925E-5 0.2208 AML other m 2019-07-16T07:21:35.73
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