INGVCENTRO​NAZIONALE​TERREMOTI
Sala Sismica

Earthquake with magnitude of ML 1.1 on date 19-05-2017 and time 18:04:55 (Italy) in region 2 km E Ussita (MC)

A magnitude ML 1.1 earthquake occured in region: 2 km E Ussita (MC), on

  • 19-05-2017 16:04:55 (UTC)
  • 19-05-2017 18:04:55 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.94, 13.16 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
Ussita MC 2 444 444
Castelsantangelo sul Nera MC 5 281 725
Visso MC 6 1107 1832
Bolognola MC 9 142 1974
Acquacanina MC 11 121 2095
Fiastra MC 11 559 2654
Preci PG 12 724 3378
Fiordimonte MC 13 202 3580
Monte Cavallo MC 14 145 3725
Montemonaco AP 14 604 4329
Pieve Torina MC 15 1458 5787
Montefortino FM 15 1178 6965
Pievebovigliana MC 15 866 7831
Sarnano MC 16 3264 11095
Norcia PG 17 4957 16052
Amandola FM 17 3629 19681
Montegallo AP 18 523 20204
Muccia MC 19 915 21119
Sellano PG 20 1079 22198

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km E of Foligno (57155 inhabitants)
54 Km NW of Teramo (54892 inhabitants)
59 Km NE of Terni (111501 inhabitants)
65 Km E of Perugia (166134 inhabitants)
68 Km N of L'Aquila (69753 inhabitants)
81 Km SW of Ancona (100861 inhabitants)
94 Km NW of Montesilvano (53738 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 1.1 2017-05-19
16:04:55
42.94 13.16 12 2017-05-19
16:10:05
Sala Sismica INGV-Roma 45533651
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-05-19 16:04:55 ± 0.03
Latitude 42.94 ± 0.00
Longitude 13.16 ± 0.00
Depth (km) 12 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 45533651

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 180
Semi-minor axis of confidence ellipse (meter) 16
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 271
Circular confidence region, given by single value of horizontal uncertainty (meter) 180
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 71
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.1
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.2689
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 12
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.4
Num. used stations 5
Type of magnitude ML
Reference to an origin 45533651
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-05-19 16:10:05
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.T1218.EHZ. 2017-05-19T16:05:06.09 0.3 undecidable manual S 187 0.2689 92 0.08 72
IV.T1212.EHZ. 2017-05-19T16:05:04.08 0.3 undecidable manual S 204 0.2032 93 0.01 74
IV.TERO.HHZ. 2017-05-19T16:05:04.78 3.0 undecidable manual P -0.07 0
IV.CESI.HHZ. 2017-05-19T16:05:04.05 0.6 undecidable manual S 290 0.1979 93 0.16 47
IV.T1214.EHZ. 2017-05-19T16:05:03.52 0.6 undecidable manual S 168 0.1817 94 0.11 49
IV.SNTG.HHZ. 2017-05-19T16:05:03.30 3.0 negative manual P 0.15 0
IV.CSP1.EHZ. 2017-05-19T16:05:02.61 0.3 undecidable manual S 12 0.1583 96 -0.11 73
IV.T1219.EHZ. 2017-05-19T16:05:02.68 0.6 undecidable manual S 317 0.1628 96 -0.19 48
IV.T1216.EHZ. 2017-05-19T16:05:01.40 0.3 undecidable manual S 245 0.1124 112 0 75
IV.T1218.EHZ. 2017-05-19T16:05:01.50 1.0 undecidable manual P 187 0.2689 92 -0.1 24
IV.MMO1.EHZ. 2017-05-19T16:05:01.68 0.3 undecidable manual S 107 0.1286 104 -0.19 71
IV.NRCA.HHZ. 2017-05-19T16:05:01.08 0.6 undecidable manual S 197 0.1088 114 -0.23 48
IV.FDMO.HHZ. 2017-05-19T16:05:01.23 0.3 undecidable manual S 332 0.1115 112 -0.16 73
IV.T1256.HHZ. 2017-05-19T16:05:00.81 0.3 undecidable manual S 36 0.0845 126 0.12 74
IV.T1245.HHZ. 2017-05-19T16:05:00.83 0.3 undecidable manual S 165 0.0836 127 0.16 73
IV.T1212.EHZ. 2017-05-19T16:05:00.41 0.1 undecidable manual P 204 0.2032 93 -0.07 97
IV.T1214.EHZ. 2017-05-19T16:05:00.09 0.6 positive manual P 168 0.1817 94 -0.01 49
IV.CESI.HHZ. 2017-05-19T16:05:00.37 0.1 undecidable manual P 290 0.1979 93 0 98
IV.T1219.EHZ. 2017-05-19T16:04:59.74 0.6 undecidable manual P 317 0.1628 96 -0.05 49
IV.MMO1.EHZ. 2017-05-19T16:04:59.15 0.6 undecidable manual P 107 0.1286 104 -0.06 49
IV.CSP1.EHZ. 2017-05-19T16:04:59.68 0.6 negative manual P 12 0.1583 96 -0.02 49
IV.FDMO.HHZ. 2017-05-19T16:04:58.92 0.1 negative manual P 332 0.1115 112 -0.01 100
IV.T1256.HHZ. 2017-05-19T16:04:58.66 0.1 negative manual P 36 0.0845 126 0.13 98
IV.T1216.EHZ. 2017-05-19T16:04:58.98 0.1 positive manual P 245 0.1124 112 0.04 99
IV.T1245.HHZ. 2017-05-19T16:04:58.66 0.6 positive manual P 165 0.0836 127 0.15 49
IV.NRCA.HHZ. 2017-05-19T16:04:58.87 0.3 undecidable manual P 197 0.1088 114 -0.01 75
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHN. ML:0.9 5.035E-5 0.3 AML other m 2017-05-19T16:05:04.32
IV.CESI.HHE. ML:0.8 4.13E-5 1.14 AML other m 2017-05-19T16:05:04.30
IV.FDMO.HHE. ML:0.6 4.2E-5 0.18 AML other m 2017-05-19T16:05:01.40
IV.FDMO.HHN. ML:0.9 7.425E-5 0.16 AML other m 2017-05-19T16:05:01.57
IV.NRCA.HHN. ML:1.2 0.0001805 0.08 AML other m 2017-05-19T16:05:01.18
IV.NRCA.HHE. ML:1.4 0.000236 1 AML other m 2017-05-19T16:05:01.26
IV.T1245.HNE. ML:2.1 0.001593 1 AML other m 2017-05-19T16:04:58.06
IV.T1245.HHN. ML:1.3 0.0002385 1.72 AML other m 2017-05-19T16:05:01.91
IV.T1245.HNN. ML:2.3 0.002481 0.84 AML other m 2017-05-19T16:04:59.14
IV.T1245.HHE. ML:1.2 0.0001875 1.8 AML other m 2017-05-19T16:05:00.93
IV.T1256.HHE. ML:0.9 8.795E-5 1.88 AML other m 2017-05-19T16:05:01.99
IV.T1256.HHN. ML:0.8 7.315E-5 0.58 AML other m 2017-05-19T16:05:01.31
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