ISTITUTO NAZIONALE DI GEOFISICA E VULCANOLOGIA

Earthquake with magnitude of ML 1.3 on date 23-03-2019 and time 17:31:53 (UTC) in region 7 km SE Castelsantangelo sul Nera (MC)

A magnitude ML 1.3 earthquake occured in region: 7 km SE Castelsantangelo sul Nera (MC), on

  • 23-03-2019 17:31:53 (UTC)
  • 23-03-2019 18:31:53 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.85, 13.22 at 9 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
Castelsantangelo sul Nera MC 7 281 281
Montegallo AP 10 523 804
Montemonaco AP 11 604 1408
Arquata del Tronto AP 11 1178 2586
Norcia PG 12 4957 7543
Ussita MC 12 444 7987
Visso MC 14 1107 9094
Montefortino FM 15 1178 10272
Preci PG 15 724 10996
Bolognola MC 16 142 11138
Accumoli RI 17 667 11805
Acquasanta Terme AP 18 2916 14721
Amandola FM 19 3629 18350

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km E of Foligno (57155 inhabitants)
45 Km W of Teramo (54892 inhabitants)
56 Km NE of Terni (111501 inhabitants)
57 Km N of L'Aquila (69753 inhabitants)
73 Km E of Perugia (166134 inhabitants)
85 Km W of Montesilvano (53738 inhabitants)
89 Km S of Ancona (100861 inhabitants)
92 Km W of Pescara (121014 inhabitants)
96 Km NW of Chieti (51815 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 1.3 2019-03-23
17:31:53
42.85 13.22 9 2019-03-23
17:41:49
Sala Sismica INGV-Roma 66843191
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-03-23 17:31:53 ± 0.09
Latitude 42.85 ± 0.00
Longitude 13.22 ± 0.00
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 66843191

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 205
Semi-minor axis of confidence ellipse (meter) 132
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 181
Circular confidence region, given by single value of horizontal uncertainty (meter) 210
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 132
Number of associated phases, regardless of their use for origin computation 32
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.06
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.16188
Number of stations at which the event was observed 26
Number of stations from which data was used for origin computation 6
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0
Num. used stations 4
Type of magnitude ML
Reference to an origin 66843191
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-03-23 17:41:49
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.MNTV.HNZ. 2019-03-23T17:33:19.19 3.0 undecidable manual Sg 25.309999 0
CR.STON.BHZ. 2019-03-23T17:33:14.76 3.0 undecidable manual Sg 27.01 0
IV.CAR1.HHZ. 2019-03-23T17:33:11.28 3.0 undecidable manual Sg 22.24 0
IV.NDIM.HNZ. 2019-03-23T17:33:09.22 3.0 undecidable manual Sg 21.549999 0
IV.MARS.EHZ. 2019-03-23T17:33:03.86 3.0 undecidable manual Sn -1.73 0
IV.MBAL.EHZ. 2019-03-23T17:33:01.88 3.0 undecidable manual Sn -2.93 0
IV.IMOL.HNZ. 2019-03-23T17:32:39.57 3.0 undecidable manual Sg 9.15 0
IV.EUCT.HNZ. 2019-03-23T17:32:30.84 3.0 undecidable manual Pn 11.02 0
IV.PLLN.EHZ. 2019-03-23T17:32:26.94 3.0 undecidable manual Pg 13.32 0
IV.SLCN.HHZ. 2019-03-23T17:32:21.75 3.0 undecidable manual Sn -1.46 0
IV.VOBA.HNZ. 2019-03-23T17:32:18.38 3.0 undecidable manual Pn 1.5 0
IV.CRJA.HHZ. 2019-03-23T17:32:12.34 3.0 undecidable manual Pn -3.08 0
IV.MAON.HHZ. 2019-03-23T17:32:10.85 3.0 undecidable manual Sg 2.63 0
IV.SPS2.HHZ. 2019-03-23T17:32:08.17 3.0 undecidable manual Pn 0.56 0
IV.SLCN.HHZ. 2019-03-23T17:32:06.14 3.0 positive manual Pg 13.5 0
IV.MF5.EHZ. 2019-03-23T17:32:01.70 1.0 undecidable manual Sg 4.21 0.69
IV.MTRA.EHE. 2019-03-23T17:32:00.11 0.6 undecidable manual S 125 0.1619 116 0.01 49
IV.CDRU.HHZ. 2019-03-23T17:31:59.11 3.0 undecidable manual Pg 9.58 0
IV.MTRA.EHE. 2019-03-23T17:31:57.20 0.1 undecidable manual P 125 0.1619 116 0.04 98
IV.MC2.EHZ. 2019-03-23T17:31:57.20 1.0 undecidable manual S 342 0.0639 141 0.14 24
IV.MMO1.EHZ. 2019-03-23T17:31:57.89 0.3 undecidable manual S 59 0.0953 129 -0.01 75
IV.NRCA.HHZ. 2019-03-23T17:31:57.33 0.1 undecidable manual S 257 0.0764 136 -0.03 99
IV.NRCA.HHZ. 2019-03-23T17:31:55.59 0.1 undecidable manual P 257 0.0764 136 0.01 100
IV.MC2.EHZ. 2019-03-23T17:31:55.43 0.1 undecidable manual P 342 0.0639 141 0.02 100
IV.MMO1.EHZ. 2019-03-23T17:31:55.82 0.1 undecidable manual P 59 0.0953 129 -0.07 98
IV.IMOL.HNZ. 2019-03-23T17:31:54.89 3.0 positive manual Pn -1.8 0
IV.FDMO.HHZ. 2019-03-23T17:31:53.72 1.0 undecidable manual Sn -4.5 0.68
TV.SF04.EHZ. 2019-03-23T17:31:43.18 3.0 positive manual Pn 0.77 0
IV.VTIR.HHZ. 2019-03-23T17:31:41.96 3.0 negative manual Pn 0.38 0
IT.VNF1.HGZ. 2019-03-23T17:31:34.96 3.0 negative manual P -0.32 0
IV.LIK.EHZ.01 2019-03-23T17:31:31.24 3.0 undecidable manual P -2.37 0
IV.SAMA.HHZ. 2019-03-23T17:31:30.96 3.0 positive manual P -2.83 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.EUCT.HNN. ML:3.9 0.00036910285 3.0208 AML other m 2019-03-23T17:33:19.77
IV.SAMA.HHN. ML:3.5 0.001943625 0.064 AML other m 2019-03-23T17:31:31.71
IV.LIK.EHE.01 ML:2.4 0.000117442299 3.328 AML other m 2019-03-23T17:31:33.79
IV.LIK.EHN.01 ML:2.4 0.00012629005 0.192 AML other m 2019-03-23T17:31:35.35
IV.VTIR.HHE. ML:2.8 0.000113400155 1.1904 AML other m 2019-03-23T17:31:51.46
IV.VTIR.HHN. ML:2.7 9.5792855E-5 1.024 AML other m 2019-03-23T17:32:29.14
TV.SF04.EHE. ML:2 7.5468245E-5 0.448 AML other m 2019-03-23T17:31:48.33
TV.SF04.EHN. ML:2 7.4658435E-5 4.6336 AML other m 2019-03-23T17:31:46.11
IV.IMOL.HNE. ML:3.7 0.00156177 0.0512 AML other m 2019-03-23T17:32:54.30
IV.IMOL.HNN. ML:3.5 0.0009445983 0.064 AML other m 2019-03-23T17:31:58.98
IV.NRCA.HNE. ML:1.2 0.0004388557 0.1664 AML other m 2019-03-23T17:32:08.99
IV.NRCA.HNN. ML:1.3 0.00054893285 0.1536 AML other m 2019-03-23T17:32:09.00
IV.NRCA.HHE. ML:1.3 0.0004773155 0.1792 AML other m 2019-03-23T17:32:08.99
IV.NRCA.HHN. ML:1.3 0.00058673985 0.1536 AML other m 2019-03-23T17:32:09.00
IV.CDRU.HHE. ML:2.3 1.85590725E-5 3.3792 AML other m 2019-03-23T17:32:44.94
IV.CDRU.HHN. ML:2.4 2.3675735E-5 11.4176 AML other m 2019-03-23T17:32:11.92
IV.SLCN.HNE. ML:3.2 0.0001305294 2.8032 AML other m 2019-03-23T17:32:18.11
IV.SLCN.HNN. ML:3.5 0.0002956747 2.3552 AML other m 2019-03-23T17:32:22.95
IV.SLCN.HHE. ML:2.7 5.1118935E-5 0.512 AML other m 2019-03-23T17:32:35.76
IV.SLCN.HHN. ML:2.7 4.292174E-5 10.496 AML other m 2019-03-23T17:32:21.61
IV.CRJA.HHE. ML:4.1 0.0002443028 2.304 AML other m 2019-03-23T17:32:19.01
IV.CRJA.HHN. ML:3.9 0.00016377675 2.4448 AML other m 2019-03-23T17:33:33.55
IV.VOBA.HNE. ML:3.2 0.000120188875 0.1152 AML other m 2019-03-23T17:32:43.97
IV.VOBA.HNN. ML:3.2 0.000100496605 0.1152 AML other m 2019-03-23T17:32:45.28
IV.EUCT.HNE. ML:4.1 0.00065911385 5.0048 AML other m 2019-03-23T17:33:55.27
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