Earthquake with magnitude of ML 1.0 on date 22-10-2019 and time 14:07:23 (Italy) in region 3 km NW Cerreto di Spoleto (PG)

A magnitude ML 1.0 earthquake occured in region: 3 km NW Cerreto di Spoleto (PG), on

  • 22-10-2019 12:07:23 (UTC)
  • 22-10-2019 14:07:23 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.85, 12.9 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 3 1075 1075
Sellano PG 5 1079 2154
Vallo di Nera PG 9 364 2518
Campello sul Clitunno PG 11 2442 4960
Preci PG 12 724 5684
Trevi PG 13 8469 14153
Sant'Anatolia di Narco PG 14 564 14717
Poggiodomo PG 15 117 14834
Scheggino PG 16 461 15295
Norcia PG 17 4957 20252
Cascia PG 17 3217 23469
Visso MC 18 1107 24576
Monte Cavallo MC 18 145 24721
Spoleto PG 19 38218 62939
Castel Ritaldi PG 19 3278 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)
69 Km NW of L'Aquila (69753 inhabitants)
69 Km W of Teramo (54892 inhabitants)
81 Km NE of Viterbo (67173 inhabitants)
95 Km N of Guidonia Montecelio (88673 inhabitants)
99 Km N of Tivoli (56533 inhabitants)
99 Km SW of Ancona (100861 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 1.0 2019-10-22
12:07:23
42.85 12.9 11 2019-10-22
12:18:46
Sala Sismica INGV-Roma 73389401
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-10-22 12:07:23 ± 0.08
Latitude 42.85 ± 0.00
Longitude 12.90 ± 0.01
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 73389401

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 530
Semi-minor axis of confidence ellipse (meter) 370
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 64
Circular confidence region, given by single value of horizontal uncertainty (meter) 530
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 102
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.15468
Epicentral distance of station farthest from the epicenter (degree) 0.32735
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1

Field Value
Value 1
Uncertainty 0.3
Num. used stations 13
Type of magnitude ML
Reference to an origin 73389401
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-10-22 12:18:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2019-10-22T12:07:36.41 0.6 undecidable manual S 42 0.3274 50 0.42 46
IV.LNSS.HNZ. 2019-10-22T12:07:34.01 0.6 undecidable manual S 158 0.2662 50 -0.15 47
IV.ASSB.HHZ. 2019-10-22T12:07:33.82 0.3 undecidable manual S 317 0.2635 50 -0.28 68
IV.FDMO.HHZ. 2019-10-22T12:07:32.94 0.3 undecidable manual S 36 0.2302 50 -0.17 69
IV.CSP1.EHZ. 2019-10-22T12:07:31.01 0.6 negative manual P 42 0.3274 50 0.17 48
IV.NRCA.HHZ. 2019-10-22T12:07:30.76 0.6 undecidable manual S 96 0.1547 50 -0.12 49
IT.MTCL.HGZ. 2019-10-22T12:07:30.78 0.3 undecidable manual S 26 0.161 50 -0.26 70
IV.CESI.HHZ. 2019-10-22T12:07:30.93 0.6 undecidable manual S 0 0.1556 50 0.04 50
IV.FDMO.HHZ. 2019-10-22T12:07:29.27 1.0 negative manual P 36 0.2302 50 0.09 25
IV.ASSB.HHZ. 2019-10-22T12:07:29.78 0.6 positive manual P 317 0.2635 50 0.03 49
IV.LNSS.HNZ. 2019-10-22T12:07:29.73 0.3 undecidable manual P 158 0.2662 50 -0.06 72
IV.MOMA.HHZ. 2019-10-22T12:07:29.91 1.0 undecidable manual P 260 0.2491 50 0.41 23
IV.CESI.HHZ. 2019-10-22T12:07:28.10 0.1 positive manual P 0 0.1556 50 0.2 97
IV.FEMA.HNZ. 2019-10-22T12:07:28.07 0.6 undecidable manual P 43 0.1556 50 0.17 49
IT.MTCL.HGZ. 2019-10-22T12:07:28.05 0.1 undecidable manual P 26 0.161 50 0.06 100
IV.NRCA.HHZ. 2019-10-22T12:07:27.92 0.1 negative manual P 96 0.1547 50 0.03 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:0.8 5.238166E-5 0.1408 AML other m 2019-10-22T12:07:30.88
IV.NRCA.HHN. ML:1 7.3009655E-5 0.0576 AML other m 2019-10-22T12:07:30.80
IV.CESI.HHE. ML:1.3 0.00015769905 0.0768 AML other m 2019-10-22T12:07:31.04
IV.CESI.HHN. ML:1.6 0.0002917114 0.1216 AML other m 2019-10-22T12:07:31.07
IV.CESI.HNE. ML:1.2 0.000131712265 0.0832 AML other m 2019-10-22T12:07:31.04
IV.CESI.HNN. ML:1.5 0.00026181235 0.1216 AML other m 2019-10-22T12:07:31.07
IV.FDMO.HHE. ML:1 6.0906325E-5 0.3584 AML other m 2019-10-22T12:07:33.41
IV.FDMO.HHN. ML:0.8 3.996858E-5 0.1408 AML other m 2019-10-22T12:07:33.72
IV.MOMA.HHE. ML:0.6 2.219196E-5 0.1152 AML other m 2019-10-22T12:07:35.08
IV.MOMA.HHN. ML:0.5 1.4033375E-5 0.1216 AML other m 2019-10-22T12:07:34.47
IV.MOMA.HNE. ML:1.3 0.00010222622 0.704 AML other m 2019-10-22T12:07:33.86
IV.CSP1.EHE. ML:1 3.2814135E-5 0.2176 AML other m 2019-10-22T12:07:37.25
IV.CSP1.EHN. ML:1 3.6784019E-5 0.1984 AML other m 2019-10-22T12:07:36.91
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