Earthquake with magnitude of ML 0.6 on date 23-03-2019 and time 19:10:51 (Italy) in region 3 km NW Norcia (PG)

A magnitude ML 0.6 earthquake occured in region: 3 km NW Norcia (PG), on

  • 23-03-2019 18:10:51 (UTC)
  • 23-03-2019 19:10:51 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.81, 13.06 at 12 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
Norcia PG 3 4957 4957
Preci PG 8 724 5681
Cascia PG 11 3217 8898
Castelsantangelo sul Nera MC 12 281 9179
Cerreto di Spoleto PG 12 1075 10254
Visso MC 13 1107 11361
Sellano PG 14 1079 12440
Poggiodomo PG 16 117 12557
Ussita MC 16 444 13001
Vallo di Nera PG 17 364 13365
Arquata del Tronto AP 20 1178 14543
Accumoli RI 20 667 15210

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km E of Foligno (57155 inhabitants)
44 Km NE of Terni (111501 inhabitants)
55 Km W of Teramo (54892 inhabitants)
58 Km NW of L'Aquila (69753 inhabitants)
64 Km SE of Perugia (166134 inhabitants)
90 Km E of Viterbo (67173 inhabitants)
95 Km NE of Guidonia Montecelio (88673 inhabitants)
95 Km W of Montesilvano (53738 inhabitants)
97 Km SW of Ancona (100861 inhabitants)
97 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 0.6 2019-03-23
18:10:51
42.81 13.06 12 2019-03-23
18:17:13
Sala Sismica INGV-Roma 66844021
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-03-23 18:10:51 ± 0.09
Latitude 42.81 ± 0.00
Longitude 13.06 ± 0.01
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 66844021

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 555
Semi-minor axis of confidence ellipse (meter) 213
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 294
Circular confidence region, given by single value of horizontal uncertainty (meter) 550
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 138
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.25001
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.6

Field Value
Value 0.6
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 66844021
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-03-23 18:17:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
GU.BHB.HHZ. 2019-03-23T18:12:00.31 3.0 undecidable manual Pg 25.299999 0
IV.BRSN.EHZ. 2019-03-23T18:11:33.29 3.0 undecidable manual Sn -0.35 0
IV.MILN.HNZ. 2019-03-23T18:11:31.47 3.0 undecidable manual Pn 7.42 0
IV.EUCT.HNZ. 2019-03-23T18:11:28.59 3.0 undecidable manual Pn 6.25 0
IV.RIBO.EHZ.01 2019-03-23T18:11:27.26 3.0 undecidable manual Sn -1.01 0
IV.ZONE.HHZ. 2019-03-23T18:11:27.23 3.0 undecidable manual Pn 6.51 0
IV.IFIL.HHZ. 2019-03-23T18:11:27.70 3.0 undecidable manual Sn 1.14 0
IV.NARO.HHZ. 2019-03-23T18:11:23.46 3.0 undecidable manual Sg 8.1 0
IV.NDIM.HNZ. 2019-03-23T18:11:23.48 3.0 positive manual Pg 16.76 0
OX.SABO.HNZ. 2019-03-23T18:11:05.36 3.0 undecidable manual Pn -2.47 0
IV.MTRA.EHE. 2019-03-23T18:11:01.56 0.3 undecidable manual S 103 0.25 93 -0.03 73
IV.LNSS.HHE. 2019-03-23T18:11:00.51 0.1 undecidable manual S 185 0.2122 95 0.04 98
IV.MMO1.EHZ. 2019-03-23T18:11:00.10 0.1 undecidable manual S 66 0.2095 95 -0.3 93
IV.FDMO.HHZ. 2019-03-23T18:11:00.65 0.3 undecidable manual S 4 0.223 94 -0.13 71
IV.GAVE.EHZ. 2019-03-23T18:10:59.35 0.3 undecidable manual S 226 0.1745 98 -0.02 73
IV.MC2.EHZ. 2019-03-23T18:10:58.29 0.1 undecidable manual S 43 0.1331 107 0.13 98
IV.MTRA.EHE. 2019-03-23T18:10:57.38 0.1 undecidable manual P 103 0.25 93 -0.04 98
IV.FDMO.HHZ. 2019-03-23T18:10:57.05 0.1 undecidable manual P 4 0.223 94 0.1 97
IV.MMO1.EHZ. 2019-03-23T18:10:56.94 0.1 undecidable manual P 66 0.2095 95 0.21 94
IV.GAVE.EHZ. 2019-03-23T18:10:56.13 0.1 undecidable manual P 226 0.1745 98 -0.01 99
IV.LNSS.HHE. 2019-03-23T18:10:56.67 0.1 undecidable manual P 185 0.2122 95 -0.1 97
IV.MC2.EHZ. 2019-03-23T18:10:55.45 0.1 undecidable manual P 43 0.1331 107 0.01 100
IV.MESG.HHZ. 2019-03-23T18:10:45.61 3.0 undecidable manual Pg 4.96 0
CR.STON.BHZ. 2019-03-23T18:10:43.92 3.0 positive manual Pn 3.8 0
IV.LIK.EHZ.01 2019-03-23T18:10:20.38 3.0 positive manual Pg 0.05 0
IV.MCRV.HHZ. 2019-03-23T18:10:17.15 3.0 undecidable manual P -0.74 0
IT.ORP.HGZ. 2019-03-23T18:10:10.11 3.0 undecidable manual P 0.01 0
IV.PTRJ.HNZ. 2019-03-23T18:10:09.26 3.0 undecidable manual P 0.56 0
IT.GLNS.HNZ. 2019-03-23T18:10:07.22 3.0 undecidable manual P 0.18 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LIK.EHE.01 ML:2.7 0.0002335 0.62 AML other m 2019-03-23T18:10:34.30
IV.LIK.EHN.01 ML:2.5 0.0001728 0.08 AML other m 2019-03-23T18:10:37.61
IV.GAVE.EHN. ML:0.5 2.48445E-5 0.8 AML other m 2019-03-23T18:10:59.16
IV.GAVE.EHE. ML:0.7 3.57E-5 0.84 AML other m 2019-03-23T18:11:00.75
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