ISTITUTO NAZIONALE DI GEOFISICA E VULCANOLOGIA

Earthquake with magnitude of ML 0.8 on date 14-03-2019 and time 19:41:05 (Italy) in region 1 km SE Visso (MC)

A magnitude ML 0.8 earthquake occured in region: 1 km SE Visso (MC), on

  • 14-03-2019 18:41:05 (UTC)
  • 14-03-2019 19:41:05 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.92, 13.1 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
Visso MC 1 1107 1107
Ussita MC 4 444 1551
Castelsantangelo sul Nera MC 5 281 1832
Preci PG 7 724 2556
Monte Cavallo MC 11 145 2701
Fiordimonte MC 13 202 2903
Bolognola MC 13 142 3045
Acquacanina MC 14 121 3166
Fiastra MC 14 559 3725
Norcia PG 14 4957 8682
Sellano PG 14 1079 9761
Pieve Torina MC 14 1458 11219
Pievebovigliana MC 16 866 12085
Muccia MC 19 915 13000
Cerreto di Spoleto PG 19 1075 14075
Montemonaco AP 19 604 14679

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km E of Foligno (57155 inhabitants)
54 Km NE of Terni (111501 inhabitants)
57 Km NW of Teramo (54892 inhabitants)
61 Km E of Perugia (166134 inhabitants)
68 Km NW of L'Aquila (69753 inhabitants)
85 Km SW of Ancona (100861 inhabitants)
97 Km W of Montesilvano (53738 inhabitants)
99 Km NE of Viterbo (67173 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 0.8 2019-03-14
18:41:05
42.92 13.1 12 2019-03-14
18:59:46
Sala Sismica INGV-Roma 66538961
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-03-14 18:41:05 ± 0.08
Latitude 42.92 ± 0.00
Longitude 13.10 ± 0.00
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 66538961

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 540
Semi-minor axis of confidence ellipse (meter) 137
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 45
Circular confidence region, given by single value of horizontal uncertainty (meter) 540
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 101
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.05396
Epicentral distance of station farthest from the epicenter (degree) 0.27339
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 66538961
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-03-14 18:59:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.MML1.HNN. 2019-03-14T18:41:13.81 0.3 undecidable manual S 334 0.2131 94 -0.05 73
IV.MMO1.EHZ. 2019-03-14T18:41:12.29 0.6 undecidable manual S 97 0.1691 97 -0.25 48
IV.CESI.HHN. 2019-03-14T18:41:12.48 0.6 undecidable manual S 301 0.1646 98 0.06 50
IV.NRCA.HHZ. 2019-03-14T18:41:10.13 0.1 undecidable manual S 172 0.0881 126 -0.17 96
IV.GAVE.EHZ. 2019-03-14T18:41:10.75 1.0 undecidable manual P 213 0.2734 92 -0.42 22
IV.FDMO.HHZ. 2019-03-14T18:41:10.90 0.1 undecidable manual S 356 0.116 113 -0.11 98
IT.MTCL.HGE. 2019-03-14T18:41:10.36 0.6 undecidable manual S 315 0.1025 119 -0.31 47
IV.MML1.HNN. 2019-03-14T18:41:10.22 0.1 undecidable manual P 334 0.2131 94 0.08 97
IV.MMO1.EHZ. 2019-03-14T18:41:09.42 0.3 positive manual P 97 0.1691 97 0.04 73
IV.CESI.HHN. 2019-03-14T18:41:09.42 0.1 undecidable manual P 301 0.1646 98 0.11 98
IV.MC2.EHZ. 2019-03-14T18:41:09.93 0.1 undecidable manual S 98 0.0674 137 0.1 99
IV.MC2.EHZ. 2019-03-14T18:41:08.08 0.6 negative manual P 98 0.0674 137 0.26 48
IV.NRCA.HHZ. 2019-03-14T18:41:08.21 0.1 positive manual P 172 0.0881 126 0.12 99
IV.FDMO.HHZ. 2019-03-14T18:41:08.51 1.0 negative manual P 356 0.116 113 0.01 25
IT.MTCL.HGE. 2019-03-14T18:41:08.30 0.1 undecidable manual P 315 0.1025 119 0 100
IV.FEMA.HNE. 2019-03-14T18:41:07.84 0.1 undecidable manual P 319 0.054 144 0.16 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:0.9 9.994609E-5 0.0768 AML other m 2019-03-14T18:41:11.11
IV.NRCA.HHN. ML:1 0.00012074485 0.1408 AML other m 2019-03-14T18:41:10.18
IV.NRCA.HNE. ML:0.9 9.3660576E-5 0.0768 AML other m 2019-03-14T18:41:11.07
IV.FDMO.HHE. ML:0.7 5.1821185E-5 0.2048 AML other m 2019-03-14T18:41:10.87
IV.FDMO.HHN. ML:0.7 4.5744725E-5 0.256 AML other m 2019-03-14T18:41:10.00
IV.GAVE.EHE. ML:0.7 2.510614E-5 0.1536 AML other m 2019-03-14T18:41:17.60
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