Earthquake with magnitude of ML 1.4 on date 28-11-2019 and time 15:56:34 (Italy) in region 4 km NW Spoleto (PG)

A magnitude ML 1.4 earthquake occured in region: 4 km NW Spoleto (PG), on

  • 28-11-2019 14:56:34 (UTC)
  • 28-11-2019 15:56:34 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7700, 12.7130 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
Spoleto PG 4 38218 38218
Castel Ritaldi PG 7 3278 41496
Campello sul Clitunno PG 8 2442 43938
Sant'Anatolia di Narco PG 11 564 44502
Scheggino PG 12 461 44963
Vallo di Nera PG 12 364 45327
Trevi PG 12 8469 53796
Giano dell'Umbria PG 13 3846 57642
Montefalco PG 15 5679 63321
Massa Martana PG 16 3770 67091
Acquasparta TR 16 4778 71869
Cerreto di Spoleto PG 18 1075 72944
Ferentillo TR 18 1913 74857
Poggiodomo PG 19 117 74974
Montefranco TR 20 1276 76250

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km S of Foligno (57155 inhabitants)
24 Km N of Terni (111501 inhabitants)
46 Km SE of Perugia (166134 inhabitants)
63 Km NE of Viterbo (67173 inhabitants)
73 Km NW of L'Aquila (69753 inhabitants)
82 Km W of Teramo (54892 inhabitants)
86 Km N of Guidonia Montecelio (88673 inhabitants)
90 Km N of Tivoli (56533 inhabitants)
99 Km N of Roma (2864731 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 1.4 2019-11-28
14:56:34
42.7697 12.7133 11 2019-11-28
15:00:52
Sala Sismica INGV-Roma 74123931
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-11-28 14:56:34 ± 0.07
Latitude 42.7697 ± 0.0054
Longitude 12.7133 ± 0.0074
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 74123931

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 772
Semi-minor axis of confidence ellipse (meter) 338
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 222
Circular confidence region, given by single value of horizontal uncertainty (meter) 770.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 163
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 15
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) 0.11062
Epicentral distance of station farthest from the epicenter (degree) 0.39210
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 74123931
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-11-28 15:00:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FDMO.HHZ. 2019-11-28T14:56:48.20 0.6 undecidable manual S 46 42.4242 50 0.15 47
IV.NRCA.HHZ. 2019-11-28T14:56:45.47 0.6 undecidable manual S 78 33.3444 50 -0.17 47
IV.ASSB.HHZ. 2019-11-28T14:56:45.07 0.6 undecidable manual S 352 30.6471 50 0.17 48
IV.LNSS.HHZ. 2019-11-28T14:56:45.51 0.6 undecidable manual S 125 32.4453 50 0.12 48
IV.CESI.HHZ. 2019-11-28T14:56:44.92 0.6 undecidable manual S 31 30.3474 50 0.09 48
IV.MML1.EHZ. 2019-11-28T14:56:42.55 0.1 undecidable manual P 29 43.5231 50 0.17 93
IV.FDMO.HHZ. 2019-11-28T14:56:41.99 0.1 undecidable manual P 46 42.4242 50 -0.22 92
IV.GAVE.EHZ. 2019-11-28T14:56:41.10 0.6 undecidable manual S 120 17.0718 122 -0.12 49
IV.LNSS.HHZ. 2019-11-28T14:56:40.69 0.1 undecidable manual P 125 32.4453 50 0.03 98
IV.NRCA.HHZ. 2019-11-28T14:56:40.71 0.1 undecidable manual P 78 33.3444 50 -0.1 96
IV.CESI.HHZ. 2019-11-28T14:56:40.50 0.1 undecidable manual P 31 30.3474 50 0.15 96
IV.ASSB.HHZ. 2019-11-28T14:56:40.07 0.1 undecidable manual P 352 30.6471 50 -0.31 92
IV.MOMA.HHZ. 2019-11-28T14:56:39.83 0.6 undecidable manual S 288 12.2766 131 -0.07 50
IV.GAVE.EHZ. 2019-11-28T14:56:38.41 0.3 negative manual P 120 17.0718 122 0.15 73
IV.MOMA.HHZ. 2019-11-28T14:56:37.58 0.1 negative manual P 288 12.2766 131 0.08 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MOMA.HNN. ML:1.6 0.00041595000000000005 1.3 AML other m 2019-11-28T14:56:40.05
IV.MOMA.HHN. ML:1.3 0.00021100000000000003 0.32 AML other m 2019-11-28T14:56:40.33
IV.MOMA.HNE. ML:1.5 0.000331 1.18 AML other m 2019-11-28T14:56:41.28
IV.MOMA.HHE. ML:1.4 0.0002595 1.18 AML other m 2019-11-28T14:56:41.28
IV.GAVE.EHE. ML:1.7 0.0004485 0.14 AML other m 2019-11-28T14:56:41.55
IV.GAVE.EHN. ML:1.5 0.0002875 0.46 AML other m 2019-11-28T14:56:42.22
IV.ASSB.HHE. ML:1.1 0.00006584999999999999 0.42 AML other m 2019-11-28T14:56:45.63
IV.LNSS.HHN. ML:1.6 0.00016399999999999997 0.36 AML other m 2019-11-28T14:56:46.03
IV.LNSS.HHE. ML:1.6 0.00015999999999999999 0.34 AML other m 2019-11-28T14:56:46.42
IV.ASSB.HHN. ML:1.0 0.000046949999999999996 0.44 AML other m 2019-11-28T14:56:46.22
IV.NRCA.HHE. ML:1.4 0.0001114 1.24 AML other m 2019-11-28T14:56:46.14
IV.NRCA.HHN. ML:1.3 0.00008035 0.74 AML other m 2019-11-28T14:56:47.23
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