Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.6 on date 18-05-2020 and time 12:10:17 (UTC) in region 3 km NW Castelsantangelo sul Nera (MC)

A magnitude ML 0.6 earthquake occured in region: 3 km NW Castelsantangelo sul Nera (MC), on

  • 18-05-2020 12:10:17 (UTC)
  • 18-05-2020 14:10:17 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9170, 13.1360 at 11 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Castelsantangelo sul Nera MC 3 281 281
Ussita MC 3 444 725
Visso MC 4 1107 1832
Preci PG 9 724 2556
Bolognola MC 11 142 2698
Acquacanina MC 13 121 2819
Fiastra MC 13 559 3378
Monte Cavallo MC 14 145 3523
Fiordimonte MC 14 202 3725
Norcia PG 14 4957 8682
Montemonaco AP 16 604 9286
Pieve Torina MC 16 1458 10744
Pievebovigliana MC 17 866 11610
Montefortino FM 17 1178 12788
Sellano PG 17 1079 13867
Montegallo AP 18 523 14390
Sarnano MC 19 3264 17654
Amandola FM 19 3629 21283
Muccia MC 20 915 22198

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km E of Foligno (57155 inhabitants)
55 Km NW of Teramo (54892 inhabitants)
56 Km NE of Terni (111501 inhabitants)
64 Km E of Perugia (166134 inhabitants)
66 Km NW of L'Aquila (69753 inhabitants)
84 Km SW of Ancona (100861 inhabitants)
94 Km W of Montesilvano (53738 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Reviewed
Rev100 		ML 0.6 2020-05-18
12:10:17		 42.9173 13.1365 11 2020-05-18
12:20:59		 Sala Sismica INGV-Roma 79281211
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-05-18 12:10:17 ± 0.04
Latitude 42.9173 ± 0.0027
Longitude 13.1365 ± 0.0025
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 79281211

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 350
Semi-minor axis of confidence ellipse (meter) 192
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 208
Circular confidence region, given by single value of horizontal uncertainty (meter) 350.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 125
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 14
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.42988
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 9
Magnitude information

ML:0.6

Field Value
Value 0.6
Uncertainty 0.3
Num. used stations 3
Type of magnitude ML
Reference to an origin 79281211
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-05-18 12:20:59
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PIGN.HHZ. 2020-05-18T12:11:06.91 3.0 undecidable manual Sn 0.12 0
TV.SF04.EHZ. 2020-05-18T12:10:32.75 3.0 negative manual Pn -0.44 0
IV.SACS.HHZ. 2020-05-18T12:10:31.41 3.0 undecidable manual P 0.75 0
IV.MOMA.HHN. 2020-05-18T12:10:26.42 0.3 undecidable manual P 255 47.7189 50 0.04 70
IV.CSP1.EHZ. 2020-05-18T12:10:25.45 0.3 undecidable manual S 16 20.1687 50 0 74
IV.MMO1.EHZ. 2020-05-18T12:10:24.03 0.3 undecidable manual S 97 15.5733 125 -0.12 73
IV.MTRA.EHZ. 2020-05-18T12:10:23.21 0.1 undecidable manual P 130 27.6501 50 -0.07 96
IT.MTCL.HGZ. 2020-05-18T12:10:23.45 0.3 undecidable manual S 307 13.9749 128 -0.26 71
IV.FDMO.HHZ. 2020-05-18T12:10:23.65 0.3 undecidable manual S 343 13.7751 128 0 75
IV.FEMA.HNZ. 2020-05-18T12:10:22.39 0.3 undecidable manual S 305 8.5803 141 0.02 75
IV.CSP1.EHZ. 2020-05-18T12:10:22.16 0.1 undecidable manual P 16 20.1687 50 0.04 98
IV.CESI.HHZ. 2020-05-18T12:10:22.25 0.1 undecidable manual P 297 21.1677 50 -0.03 98
IV.MML1.HNZ. 2020-05-18T12:10:22.93 0.1 undecidable manual P 328 25.5522 50 -0.02 98
IV.FDMO.HHZ. 2020-05-18T12:10:21.16 0.1 undecidable manual P 343 13.7751 128 0.08 98
IV.MMO1.EHZ. 2020-05-18T12:10:21.45 0.1 undecidable manual P 97 15.5733 125 0.08 98
IT.MTCL.HGZ. 2020-05-18T12:10:21.11 0.1 undecidable manual P 307 13.9749 128 0 100
IV.FEMA.HNZ. 2020-05-18T12:10:20.51 0.1 undecidable manual P 305 8.5803 141 0.17 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:0.9 0.0000895 0.08 AML other m 2020-05-18T12:10:22.98
IV.FDMO.HHN. ML:0.0 0.000032297195 0.2048 AML other m 2020-05-18T12:10:23.79
IV.FDMO.HHE. ML:0.0 0.000022407274999999996 0.1152 AML other m 2020-05-18T12:10:24.29
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download