INGVCENTRO​NAZIONALE​TERREMOTI
Sala Sismica

Earthquake with magnitude of Md 0.9 on date 18-01-2019 and time 00:29:52 (Italy) in region 3 km E Ussita (MC)

A magnitude Md 0.9 earthquake occured in region: 3 km E Ussita (MC), on

  • 17-01-2019 23:29:52 (UTC)
  • 18-01-2019 00:29:52 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.94, 13.18 at 14 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
Ussita MC 3 444 444
Castelsantangelo sul Nera MC 6 281 725
Bolognola MC 7 142 867
Visso MC 8 1107 1974
Acquacanina MC 10 121 2095
Fiastra MC 10 559 2654
Fiordimonte MC 13 202 2856
Montemonaco AP 13 604 3460
Montefortino FM 13 1178 4638
Preci PG 14 724 5362
Sarnano MC 14 3264 8626
Amandola FM 15 3629 12255
Pievebovigliana MC 15 866 13121
Pieve Torina MC 15 1458 14579
Monte Cavallo MC 16 145 14724
Montegallo AP 17 523 15247
Norcia PG 18 4957 20204
Gualdo MC 19 815 21019
Muccia MC 19 915 21934
Comunanza AP 19 3166 25100
Cessapalombo MC 20 512 25612

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km E of Foligno (57155 inhabitants)
53 Km NW of Teramo (54892 inhabitants)
61 Km NE of Terni (111501 inhabitants)
67 Km E of Perugia (166134 inhabitants)
68 Km N of L'Aquila (69753 inhabitants)
80 Km SW of Ancona (100861 inhabitants)
93 Km NW of Montesilvano (53738 inhabitants)
100 Km NW of Pescara (121014 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 Md 0.9 2019-01-17
23:29:52
42.94 13.18 14 2019-01-17
23:57:27
Sala Sismica INGV-Roma 64745941
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-01-17 23:29:52 ± 0.17
Latitude 42.94 ± 0.01
Longitude 13.18 ± 0.01
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 64745941

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 702
Semi-minor axis of confidence ellipse (meter) 444
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 33
Circular confidence region, given by single value of horizontal uncertainty (meter) 700
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 84
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.22753
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 7
Magnitude information

Md:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 3
Type of magnitude Md
Reference to an origin 64745941
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-01-17 23:57:27
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.MRB1.HHZ. 2019-01-17T23:31:00.04 3.0 undecidable manual Sn 0.71 0
IV.MODR.HHZ. 2019-01-17T23:30:51.40 3.0 undecidable manual Sn -0.26 0
IV.MRB1.HHZ. 2019-01-17T23:30:36.33 3.0 undecidable manual Pg 7.4 0
IV.MODR.HHZ. 2019-01-17T23:30:24.79 3.0 undecidable manual Pn 0.17 0
IV.SEI.HHZ. 2019-01-17T23:30:19.20 3.0 undecidable manual Pn 0.01 0
IV.CPGN.EHZ. 2019-01-17T23:30:07.70 3.0 undecidable manual P -1.29 0
IV.MF5.EHZ. 2019-01-17T23:30:02.18 3.0 undecidable manual S 0
IV.MML1.HNZ. 2019-01-17T23:30:02.06 0.1 undecidable manual S 318 0.2275 102 0.01 97
IV.CESI.HHZ. 2019-01-17T23:30:01.73 0.1 undecidable manual S 287 0.2104 104 0.17 95
IV.GUMA.HHZ. 2019-01-17T23:30:00.72 0.1 undecidable manual S 44 0.1637 112 0.47 91
IV.FDMO.HHZ. 2019-01-17T23:29:58.72 0.1 undecidable manual S 324 0.1142 126 -0.23 95
IV.MML1.HNZ. 2019-01-17T23:29:58.04 0.3 undecidable manual P 318 0.2275 102 -0.09 72
IV.NRCA.HNE. 2019-01-17T23:29:58.97 0.1 undecidable manual S 203 0.1205 123 -0.14 99
IV.MMO1.EHZ. 2019-01-17T23:29:58.72 0.1 undecidable manual S 113 0.1169 125 -0.28 95
IV.GUMA.HHZ. 2019-01-17T23:29:57.13 0.1 undecidable manual P 44 0.1637 112 0.05 99
IV.MC2.EHZ. 2019-01-17T23:29:57.76 0.1 undecidable manual S 169 0.0333 161 0.25 95
IV.CESI.HHZ. 2019-01-17T23:29:57.79 0.1 undecidable manual P 287 0.2104 104 -0.05 97
IV.MMO1.EHZ. 2019-01-17T23:29:56.21 0.1 undecidable manual P 113 0.1169 125 -0.16 97
IV.FDMO.HHZ. 2019-01-17T23:29:56.19 0.1 undecidable manual P 324 0.1142 126 -0.15 97
IV.NRCA.HNE. 2019-01-17T23:29:56.37 0.1 undecidable manual P 203 0.1205 123 -0.06 100
IV.MC2.EHZ. 2019-01-17T23:29:55.67 0.1 undecidable manual P 169 0.0333 161 0.17 98
IV.MF5.EHZ. 2019-01-17T23:29:55.21 3.0 undecidable manual P 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MC2.EHZ. Md:0.7 6 END duration s
IV.MMO1.EHZ. Md:1 8 END duration s
IV.FDMO.HHZ. Md:1 8 END duration s
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