Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.5 on date 08-03-2020 and time 16:44:27 (Italy) in region 1 km NW Castelsantangelo sul Nera (MC)

A magnitude ML 0.5 earthquake occured in region: 1 km NW Castelsantangelo sul Nera (MC), on

  • 08-03-2020 15:44:27 (UTC)
  • 08-03-2020 16:44:27 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9020, 13.1410 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 1 281 281
Ussita MC 5 444 725
Visso MC 5 1107 1832
Preci PG 9 724 2556
Bolognola MC 13 142 2698
Norcia PG 13 4957 7655
Acquacanina MC 15 121 7776
Fiastra MC 15 559 8335
Montemonaco AP 15 604 8939
Monte Cavallo MC 15 145 9084
Fiordimonte MC 16 202 9286
Montefortino FM 17 1178 10464
Montegallo AP 17 523 10987
Sellano PG 17 1079 12066
Pieve Torina MC 18 1458 13524
Pievebovigliana MC 18 866 14390
Arquata del Tronto AP 19 1178 15568
Amandola FM 20 3629 19197
Sarnano MC 20 3264 22461

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km E of Foligno (57155 inhabitants)
53 Km NW of Teramo (54892 inhabitants)
55 Km NE of Terni (111501 inhabitants)
65 Km NW of L'Aquila (69753 inhabitants)
65 Km E of Perugia (166134 inhabitants)
85 Km SW of Ancona (100861 inhabitants)
93 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 0.5 2020-03-08
15:44:27		 42.9025 13.1407 11 2020-03-08
15:58:51		 Sala Sismica INGV-Roma 77132691
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-03-08 15:44:27 ± 0.07
Latitude 42.9025 ± 0.0036
Longitude 13.1407 ± 0.0049
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 77132691

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 439
Semi-minor axis of confidence ellipse (meter) 353
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 194
Circular confidence region, given by single value of horizontal uncertainty (meter) 440.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 105
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.03687
Epicentral distance of station farthest from the epicenter (degree) 0.20055
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

ML:0.5

Field Value
Value 0.5
Uncertainty 0.3
Num. used stations 3
Type of magnitude ML
Reference to an origin 77132691
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-03-08 15:58:51
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2020-03-08T15:44:36.19 0.1 undecidable manual S 14 21.6672 50 -0.05 97
IV.CESI.HHZ. 2020-03-08T15:44:36.53 0.1 undecidable manual S 301 22.2555 50 0.12 96
IV.FDMO.HHZ. 2020-03-08T15:44:34.30 0.1 undecidable manual S 344 15.4734 125 -0.14 97
IV.MMO1.EHZ. 2020-03-08T15:44:34.14 0.1 undecidable manual S 91 15.1737 125 -0.21 95
IT.MTCL.HGZ. 2020-03-08T15:44:34.26 0.1 undecidable manual S 312 15.2736 125 -0.13 97
IV.NRCA.HHN. 2020-03-08T15:44:32.32 0.1 undecidable manual S 196 7.9809 143 -0.22 96
IV.MC2.EHE. 2020-03-08T15:44:32.21 0.1 undecidable manual S 76 4.0959 159 0.33 95
IV.CSP1.EHZ. 2020-03-08T15:44:32.69 0.1 undecidable manual P 14 21.6672 50 -0.04 98
IV.CESI.HHZ. 2020-03-08T15:44:32.83 0.1 undecidable manual P 301 22.2555 50 0 98
IV.MMO1.EHZ. 2020-03-08T15:44:31.56 0.1 undecidable manual P 91 15.1737 125 -0.07 98
IT.MTCL.HGZ. 2020-03-08T15:44:31.68 0.1 undecidable manual P 312 15.2736 125 0.02 99
IV.FDMO.HHZ. 2020-03-08T15:44:31.75 0.1 undecidable manual P 344 15.4734 125 0.06 98
IV.NRCA.HHN. 2020-03-08T15:44:30.63 0.1 undecidable manual P 196 7.9809 143 0.04 100
IV.MC2.EHE. 2020-03-08T15:44:30.49 0.1 undecidable manual P 76 4.0959 159 0.28 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:0.4 0.0000228526085 1.3184 AML other m 2020-03-08T15:44:34.85
IV.FDMO.HHN. ML:0.2 0.00001487688 0.2432 AML other m 2020-03-08T15:44:34.85
IV.CESI.HHN. ML:0.7 0.000033220025 0.1024 AML other m 2020-03-08T15:44:36.70
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