Earthquake with magnitude of ML 1.0 on date 15-03-2019 and time 03:37:39 (Italy) in region 4 km SE Norcia (PG)

A magnitude ML 1.0 earthquake occured in region: 4 km SE Norcia (PG), on

  • 15-03-2019 02:37:39 (UTC)
  • 15-03-2019 03:37:39 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.76, 13.11 at 7 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 4 4957 4957
Cascia PG 9 3217 8174
Accumoli RI 13 667 8841
Preci PG 15 724 9565
Arquata del Tronto AP 15 1178 10743
Poggiodomo PG 15 117 10860
Castelsantangelo sul Nera MC 16 281 11141
Cittareale RI 16 482 11623
Cerreto di Spoleto PG 17 1075 12698
Monteleone di Spoleto PG 18 599 13297
Visso MC 20 1107 14404

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km SE of Foligno (57155 inhabitants)
44 Km NE of Terni (111501 inhabitants)
50 Km W of Teramo (54892 inhabitants)
51 Km NW of L'Aquila (69753 inhabitants)
71 Km SE of Perugia (166134 inhabitants)
89 Km W of Montesilvano (53738 inhabitants)
90 Km NE of Guidonia Montecelio (88673 inhabitants)
91 Km E of Viterbo (67173 inhabitants)
92 Km N of Tivoli (56533 inhabitants)
96 Km W of Pescara (121014 inhabitants)
98 Km W 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 1.0 2019-03-15
02:37:39
42.76 13.11 7 2019-03-15
02:46:24
Sala Sismica INGV-Roma 66546861
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-03-15 02:37:39 ± 0.1
Latitude 42.76 ± 0.00
Longitude 13.11 ± 0.01
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 66546861

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 512
Semi-minor axis of confidence ellipse (meter) 427
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 123
Circular confidence region, given by single value of horizontal uncertainty (meter) 510
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 80
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.34264
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1

Field Value
Value 1
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 66546861
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-03-15 02:46:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.RM33.EHZ. 2019-03-15T02:37:53.59 3.0 undecidable manual S 0
IV.MF5.EHE. 2019-03-15T02:37:53.15 0.3 undecidable manual S 48 0.3426 101 0.63 57
IV.FDMO.HHZ. 2019-03-15T02:37:50.03 0.3 undecidable manual S 356 0.2797 103 -0.1 72
IV.RM33.EHZ. 2019-03-15T02:37:48.38 3.0 undecidable manual P 0
IV.MMO1.EHZ. 2019-03-15T02:37:47.59 0.3 undecidable manual S 48 0.2113 107 -0.01 73
IV.MF5.EHE. 2019-03-15T02:37:46.68 0.3 undecidable manual P 48 0.3426 101 -0.16 73
IV.GAVE.EHZ. 2019-03-15T02:37:46.30 0.3 undecidable manual S 248 0.1736 111 0.08 74
IV.CESI.HHE. 2019-03-15T02:37:45.13 0.3 undecidable manual P 328 0.2905 103 -0.57 66
IV.LNSS.HHZ. 2019-03-15T02:37:45.96 0.3 undecidable manual S 199 0.1637 112 0.09 74
IV.FDMO.HHZ. 2019-03-15T02:37:45.24 0.3 undecidable manual P 356 0.2797 103 -0.22 71
IV.MC2.EHZ. 2019-03-15T02:37:44.05 3.0 undecidable manual P 0
IV.NRCA.HHZ. 2019-03-15T02:37:43.17 0.1 undecidable manual S 1 0.0755 131 0.22 100
IV.MMO1.EHZ. 2019-03-15T02:37:43.78 0.1 undecidable manual P 48 0.2113 107 -0.22 95
IV.SMA1.EHE. 2019-03-15T02:37:43.77 0.3 undecidable manual P 128 0.2068 108 -0.14 72
IV.T1299.HNE. 2019-03-15T02:37:43.17 0.3 undecidable manual P 135 0.1754 111 -0.07 74
IV.GAVE.EHZ. 2019-03-15T02:37:43.38 0.1 undecidable manual P 248 0.1736 111 0.18 96
IV.LNSS.HHZ. 2019-03-15T02:37:42.84 0.3 undecidable manual P 199 0.1637 112 -0.16 73
IV.NRCA.HHZ. 2019-03-15T02:37:41.60 0.1 undecidable manual P 1 0.0755 131 0.29 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:1.3 0.000305 0.2 AML other m 2019-03-15T02:37:43.40
IV.NRCA.HHN. ML:1 0.000154 0.46 AML other m 2019-03-15T02:37:43.70
IV.GAVE.EHE. ML:0.9 5.82E-5 0.5 AML other m 2019-03-15T02:37:46.54
IV.GAVE.EHN. ML:1 8.085E-5 1.14 AML other m 2019-03-15T02:37:47.03
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