Earthquake with magnitude of ML 1.5 on date 20-09-2019 and time 02:23:51 (Italy) in region 1 km NW Cascia (PG)

A magnitude ML 1.5 earthquake occured in region: 1 km NW Cascia (PG), on

  • 20-09-2019 00:23:51 (UTC)
  • 20-09-2019 02:23:51 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.73, 13 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
Cascia PG 1 3217 3217
Poggiodomo PG 6 117 3334
Monteleone di Spoleto PG 9 599 3933
Norcia PG 10 4957 8890
Vallo di Nera PG 12 364 9254
Cerreto di Spoleto PG 12 1075 10329
Sant'Anatolia di Narco PG 14 564 10893
Scheggino PG 14 461 11354
Preci PG 17 724 12078
Cittareale RI 18 482 12560
Leonessa RI 19 2435 14995
Sellano PG 19 1079 16074

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km NE of Terni (111501 inhabitants)
35 Km SE of Foligno (57155 inhabitants)
53 Km NW of L'Aquila (69753 inhabitants)
58 Km W of Teramo (54892 inhabitants)
65 Km SE of Perugia (166134 inhabitants)
81 Km E of Viterbo (67173 inhabitants)
84 Km N of Guidonia Montecelio (88673 inhabitants)
87 Km N of Tivoli (56533 inhabitants)
97 Km W of Montesilvano (53738 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 1.5 2019-09-20
00:23:51
42.73 13 11 2019-09-20
00:31:17
Sala Sismica INGV-Roma 72574551
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-09-20 00:23:51 ± 0.04
Latitude 42.73 ± 0.00
Longitude 13.00 ± 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 72574551

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 294
Semi-minor axis of confidence ellipse (meter) 211
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 118
Circular confidence region, given by single value of horizontal uncertainty (meter) 290
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 62
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 34
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.08723
Epicentral distance of station farthest from the epicenter (degree) 0.60524
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 21
Magnitude information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 35
Type of magnitude ML
Reference to an origin 72574551
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-09-20 00:31:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.EL6.EHZ. 2019-09-20T00:24:12.86 0.3 undecidable manual S 7 0.6052 50 0.64 58
IV.CSP1.EHZ. 2019-09-20T00:24:06.16 0.1 undecidable manual S 22 0.3921 50 0.24 91
IV.FDMO.HHZ. 2019-09-20T00:24:03.53 0.1 undecidable manual S 11 0.3139 50 -0.08 95
IV.CESX.HHZ. 2019-09-20T00:24:03.81 0.6 undecidable manual S 249 0.3274 50 -0.2 46
IV.EL6.EHZ. 2019-09-20T00:24:03.65 1.0 positive manual P 7 0.6052 50 0.08 22
IV.MTRA.EHZ. 2019-09-20T00:24:02.67 0.3 undecidable manual S 84 0.2914 50 -0.25 69
IV.CESI.HHE. 2019-09-20T00:24:02.48 0.1 undecidable manual S 346 0.2851 50 -0.27 92
IV.RM33.EHZ. 2019-09-20T00:24:02.23 0.1 undecidable manual S 144 0.2689 50 -0.05 97
IV.MMO1.EHZ. 2019-09-20T00:24:02.94 0.1 undecidable manual S 54 0.2932 50 -0.04 96
IV.MC2.EHZ. 2019-09-20T00:24:01.19 0.1 undecidable manual S 37 0.2284 50 0.12 96
IV.TERO.HHZ. 2019-09-20T00:24:01.18 0.6 undecidable manual P 103 0.4551 50 0.18 45
IV.FEMA.HNE. 2019-09-20T00:24:01.30 0.1 undecidable manual S 9 0.2365 50 0.01 98
IV.MF5.EHZ. 2019-09-20T00:24:00.93 1.0 positive manual P 52 0.4236 50 0.46 21
IV.GUMA.HHZ. 2019-09-20T00:24:00.65 0.1 undecidable manual P 36 0.4137 50 0.35 88
IV.ASSB.HHZ. 2019-09-20T00:24:00.32 0.6 undecidable manual P 321 0.402 50 0.22 45
IV.CSP1.EHZ. 2019-09-20T00:23:59.82 0.1 undecidable manual P 22 0.3921 50 -0.11 93
IV.MOMA.HHE. 2019-09-20T00:23:58.69 0.1 undecidable manual P 284 0.3256 50 -0.1 94
IV.MMO1.EHZ. 2019-09-20T00:23:58.10 0.6 negative manual P 54 0.2932 50 -0.14 47
IV.MTRA.EHZ. 2019-09-20T00:23:58.24 0.3 undecidable manual P 84 0.2914 50 0.04 72
IV.FDMO.HHZ. 2019-09-20T00:23:58.34 0.1 undecidable manual P 11 0.3139 50 -0.26 92
IV.CESX.HHZ. 2019-09-20T00:23:58.67 0.1 undecidable manual P 249 0.3274 50 -0.16 93
IV.CESI.HHE. 2019-09-20T00:23:58.03 0.1 undecidable manual P 346 0.2851 50 -0.07 96
IV.RM33.EHZ. 2019-09-20T00:23:57.80 1.0 negative manual P 144 0.2689 50 -0.03 24
IV.FEMA.HNE. 2019-09-20T00:23:57.21 0.3 undecidable manual P 9 0.2365 50 -0.05 73
IV.ARRO.EHZ. 2019-09-20T00:23:57.04 0.3 positive manual P 229 0.2293 50 -0.1 72
IV.NRCA.HHZ. 2019-09-20T00:23:57.76 0.1 undecidable manual S 38 0.134 126 -0.33 93
IT.MTCL.HGE. 2019-09-20T00:23:57.88 0.3 undecidable manual P 360 0.2653 50 0.12 71
IV.LNSS.HHZ. 2019-09-20T00:23:57.93 0.1 undecidable manual S 167 0.1286 127 -0.01 100
IV.SMA1.EHZ. 2019-09-20T00:23:57.78 0.1 undecidable manual P 112 0.2635 50 0.05 97
IV.MC2.EHZ. 2019-09-20T00:23:57.10 1.0 undecidable manual P 37 0.2284 50 -0.03 24
IV.GAVE.EHZ. 2019-09-20T00:23:56.91 0.3 undecidable manual S 245 0.0872 138 0.16 73
IV.NRCA.HHZ. 2019-09-20T00:23:55.36 0.1 negative manual P 38 0.134 126 -0.05 99
IV.LNSS.HHZ. 2019-09-20T00:23:55.43 0.1 positive manual P 167 0.1286 127 0.11 98
IV.GAVE.EHZ. 2019-09-20T00:23:54.83 0.1 positive manual P 245 0.0872 138 0.19 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GAVE.EHE. ML:2 0.001222604 0.26 AML other m 2019-09-20T00:23:57.66
IV.GAVE.EHN. ML:2 0.001248892 0.2 AML other m 2019-09-20T00:23:57.12
IV.GAVE.HNE. ML:2 0.0012802335 0.19 AML other m 2019-09-20T00:23:57.66
IV.GAVE.HNN. ML:1.4 0.0003521636 0.21 AML other m 2019-09-20T00:23:57.01
IV.NRCA.HHE. ML:2.3 0.0019422595 0.14 AML other m 2019-09-20T00:23:58.03
IV.NRCA.HHN. ML:2 0.00088103155 0.1 AML other m 2019-09-20T00:23:57.94
IV.NRCA.HNE. ML:2.3 0.0018316905 0.14 AML other m 2019-09-20T00:23:58.03
IV.NRCA.HNN. ML:1.9 0.0007451027 0.11 AML other m 2019-09-20T00:23:57.95
IV.LNSS.HHE. ML:1.7 0.00050263705 0.46 AML other m 2019-09-20T00:23:58.40
IV.LNSS.HHN. ML:1.6 0.00040661965 0.24 AML other m 2019-09-20T00:23:58.53
IV.LNSS.HNE. ML:1.7 0.00050685705 0.47 AML other m 2019-09-20T00:23:58.17
IV.LNSS.HNN. ML:1.6 0.0003376644 0.24 AML other m 2019-09-20T00:23:58.53
IV.ARRO.EHE. ML:1.1 6.8342195E-5 0.22 AML other m 2019-09-20T00:24:01.64
IV.ARRO.EHN. ML:1 5.86352E-5 0.28 AML other m 2019-09-20T00:24:03.54
IV.SMA1.EHE. ML:1.1 6.4979805E-5 0.44 AML other m 2019-09-20T00:24:07.36
IV.SMA1.EHN. ML:1.1 5.8789365E-5 0.48 AML other m 2019-09-20T00:24:06.62
IV.RM33.HNE. ML:1.5 0.0001623889 0.65 AML other m 2019-09-20T00:24:07.38
IV.RM33.HNN. ML:1.4 0.0001169961 0.53 AML other m 2019-09-20T00:24:09.34
IV.RM33.EHE. ML:1.1 6.1234035E-5 0.14 AML other m 2019-09-20T00:24:04.85
IV.RM33.EHN. ML:1 4.715162E-5 0.12 AML other m 2019-09-20T00:24:04.23
IV.MTRA.HNE. ML:1.4 0.00012219381 0.57 AML other m 2019-09-20T00:24:06.27
IV.MTRA.HNN. ML:1.7 0.00021809075 1.08 AML other m 2019-09-20T00:24:09.67
IV.MTRA.EHE. ML:1.2 6.88567685E-5 0.12 AML other m 2019-09-20T00:24:03.69
IV.MTRA.EHN. ML:1.2 7.4148565E-5 0.16 AML other m 2019-09-20T00:24:04.43
IV.FDMO.HHE. ML:1.9 0.00030715785 0.18 AML other m 2019-09-20T00:24:03.96
IV.FDMO.HHN. ML:1.6 0.00015722135 0.12 AML other m 2019-09-20T00:24:04.18
IV.CESX.HHE. ML:1 3.4526795E-5 0.38 AML other m 2019-09-20T00:24:05.73
IV.CESX.HHN. ML:1 4.0388815E-5 0.18 AML other m 2019-09-20T00:24:05.62
IV.CSP1.EHE. ML:1.4 8.545718E-5 0.22 AML other m 2019-09-20T00:24:08.52
IV.CSP1.EHN. ML:1.6 0.00013728184 0.46 AML other m 2019-09-20T00:24:07.79
IV.ASSB.HHE. ML:1.1 3.4198875E-5 0.12 AML other m 2019-09-20T00:24:08.04
IV.ASSB.HHN. ML:1.1 3.7594245E-5 0.18 AML other m 2019-09-20T00:24:08.21
IV.GUMA.HHE. ML:1.6 0.00012717472 0.46 AML other m 2019-09-20T00:24:10.52
IV.TERO.HHE. ML:1 2.394581E-5 0.08 AML other m 2019-09-20T00:24:08.62
IV.TERO.HHN. ML:1.1 3.3094365E-5 0.08 AML other m 2019-09-20T00:24:08.66
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