Earthquake with magnitude of ML 0.9 on date 22-09-2019 and time 03:13:56 (Italy) in region 3 km W Cerreto di Spoleto (PG)

A magnitude ML 0.9 earthquake occured in region: 3 km W Cerreto di Spoleto (PG), on

  • 22-09-2019 01:13:56 (UTC)
  • 22-09-2019 03:13:56 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.81, 12.89 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
Vallo di Nera PG 5 364 1439
Campello sul Clitunno PG 9 2442 3881
Sellano PG 9 1079 4960
Sant'Anatolia di Narco PG 10 564 5524
Poggiodomo PG 12 117 5641
Scheggino PG 12 461 6102
Trevi PG 14 8469 14571
Cascia PG 14 3217 17788
Preci PG 14 724 18512
Spoleto PG 15 38218 56730
Norcia PG 17 4957 61687
Castel Ritaldi PG 18 3278 64965
Monteleone di Spoleto PG 18 599 65564

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km SE of Foligno (57155 inhabitants)
34 Km NE of Terni (111501 inhabitants)
52 Km SE of Perugia (166134 inhabitants)
66 Km NW of L'Aquila (69753 inhabitants)
69 Km W of Teramo (54892 inhabitants)
78 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 0.9 2019-09-22
01:13:56
42.81 12.89 11 2019-09-22
01:27:13
Sala Sismica INGV-Roma 72641711
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-09-22 01:13:56 ± 0.03
Latitude 42.81 ± 0.00
Longitude 12.89 ± 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 72641711

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 192
Semi-minor axis of confidence ellipse (meter) 179
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 147
Circular confidence region, given by single value of horizontal uncertainty (meter) 190
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 96
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 14
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
Epicentral distance of station farthest from the epicenter (degree) 0.33275
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 7
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 13
Type of magnitude ML
Reference to an origin 72641711
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-09-22 01:27:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.MAGO.CHZ. 2019-09-22T01:15:19.39 3.0 undecidable manual Sn 0.69 0
IV.TRIF.CHZ. 2019-09-22T01:15:16.60 3.0 undecidable manual Sg 2.99 0
IV.RIBO.EHZ.01 2019-09-22T01:15:15.52 3.0 undecidable manual Sg 5.2 0
IV.CASP.HHZ. 2019-09-22T01:15:11.07 3.0 undecidable manual Sn -1.92 0
IV.BRMO.HHZ. 2019-09-22T01:15:08.62 3.0 undecidable manual Pg 19.559999 0
IV.COR1.EHZ. 2019-09-22T01:14:41.56 3.0 undecidable manual Sn -1.06 0
IV.MNTV.HNZ. 2019-09-22T01:14:34.90 3.0 negative manual Pn 0.35 0
IV.MNTT.EHZ. 2019-09-22T01:14:22.54 3.0 undecidable manual Sg -4.42 0
IV.MMO1.EHZ. 2019-09-22T01:14:09.30 0.3 undecidable manual S 74 0.3327 50 0.16 75
IV.FDMO.HHZ. 2019-09-22T01:14:07.19 0.3 undecidable manual S 33 0.268 50 -0.04 77
IV.SACS.HHZ. 2019-09-22T01:14:07.12 3.0 undecidable manual Pn -4.62 0
IV.ASSB.HHZ. 2019-09-22T01:14:07.71 0.3 undecidable manual S 324 0.2869 50 -0.08 77
IV.MOMA.HHZ. 2019-09-22T01:14:06.20 0.3 undecidable manual S 268 0.2347 50 -0.04 77
IV.CESI.HHZ. 2019-09-22T01:14:05.10 0.3 undecidable manual S 3 0.1943 50 0.05 76
IV.NRCA.HHZ. 2019-09-22T01:14:03.94 0.3 undecidable manual S 82 0.1664 120 -0.17 77
IV.ASSB.HHZ. 2019-09-22T01:14:03.08 0.3 undecidable manual P 324 0.2869 50 -0.03 77
IV.MMO1.EHZ. 2019-09-22T01:14:03.82 0.1 undecidable manual P 74 0.3327 50 -0.08 100
IV.GAVE.EHZ. 2019-09-22T01:14:02.55 0.3 undecidable manual S 178 0.1187 129 -0.04 79
IV.FDMO.HHZ. 2019-09-22T01:14:02.87 0.3 undecidable manual P 33 0.268 50 0.08 77
IV.MOMA.HHZ. 2019-09-22T01:14:02.22 0.3 undecidable manual P 268 0.2347 50 0 78
IV.CESI.HHZ. 2019-09-22T01:14:01.64 0.3 undecidable manual P 3 0.1943 50 0.11 76
IV.CET2.HHZ. 2019-09-22T01:14:01.18 3.0 undecidable manual Pn 0.7 0
IV.GAVE.EHZ. 2019-09-22T01:14:00.25 0.3 undecidable manual P 178 0.1187 129 0.14 78
IV.NRCA.HHZ. 2019-09-22T01:14:00.98 0.3 undecidable manual P 82 0.1664 120 -0.01 79
IX.RM33.EHZ. 2019-09-22T01:13:58.15 3.0 undecidable manual P 0
IX.RM33.EHZ. 2019-09-22T01:13:58.79 3.0 undecidable manual S 0
IV.PTRJ.HHZ. 2019-09-22T01:13:57.01 3.0 undecidable manual S -9.99 0
IX.MNT3.HHZ.02 2019-09-22T01:13:52.39 3.0 positive manual P 4.7 0
IV.CSFT.HHZ. 2019-09-22T01:13:52.91 3.0 undecidable manual P -1.43 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GAVE.EHE. ML:0 0.00019505755 0.22 AML other m 2019-09-22T01:14:02.75
IV.GAVE.EHN. ML:0 0.00015315295 0.16 AML other m 2019-09-22T01:14:02.78
IV.GAVE.HNE. ML:1.2 0.000185955285 0.22 AML other m 2019-09-22T01:14:02.75
IV.NRCA.HHE. ML:1.1 0.000101540345 0.16 AML other m 2019-09-22T01:14:04.14
IV.NRCA.HHN. ML:1.1 8.8084335E-5 0.06 AML other m 2019-09-22T01:14:04.21
IV.CESI.HHE. ML:0.8 3.809544E-5 0.14 AML other m 2019-09-22T01:14:05.40
IV.CESI.HHN. ML:0.9 5.6069525E-5 0.2 AML other m 2019-09-22T01:14:05.31
IV.MOMA.HHE. ML:0.6 2.1556138E-5 0.18 AML other m 2019-09-22T01:14:07.82
IV.MOMA.HHN. ML:0.4 1.433331605E-5 0.16 AML other m 2019-09-22T01:14:07.39
IV.FDMO.HHE. ML:0.8 3.0357E-5 0.14 AML other m 2019-09-22T01:14:07.95
IV.FDMO.HHN. ML:0.8 2.927445E-5 0.1 AML other m 2019-09-22T01:14:07.61
IV.ASSB.HHE. ML:0.6 1.8673056E-5 0.14 AML other m 2019-09-22T01:14:08.75
IV.ASSB.HHN. ML:0.6 1.923953E-5 0.1 AML other m 2019-09-22T01:14:08.14
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