Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.3 on date 01-05-2020 and time 04:34:45 (Italy) in region 5 km SE Castelsantangelo sul Nera (MC)

A magnitude ML 0.3 earthquake occured in region: 5 km SE Castelsantangelo sul Nera (MC), on

  • 01-05-2020 02:34:45 (UTC)
  • 01-05-2020 04:34:45 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8590, 13.1850 at 7 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 5 281 281
Ussita MC 10 444 725
Norcia PG 10 4957 5682
Visso MC 11 1107 6789
Preci PG 12 724 7513
Montegallo AP 12 523 8036
Montemonaco AP 13 604 8640
Arquata del Tronto AP 13 1178 9818
Bolognola MC 16 142 9960
Montefortino FM 16 1178 11138
Accumoli RI 19 667 11805
Acquacanina MC 19 121 11926
Amandola FM 20 3629 15555
Fiastra MC 20 559 16114

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km E of Foligno (57155 inhabitants)
48 Km W of Teramo (54892 inhabitants)
55 Km NE of Terni (111501 inhabitants)
59 Km NW of L'Aquila (69753 inhabitants)
70 Km E of Perugia (166134 inhabitants)
88 Km W of Montesilvano (53738 inhabitants)
89 Km SW of Ancona (100861 inhabitants)
95 Km W of Pescara (121014 inhabitants)
98 Km NW of Chieti (51815 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 0.3 2020-05-01
02:34:45		 42.8592 13.1848 7 2020-05-01
02:44:52		 Sala Sismica INGV-Roma 78708731
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-05-01 02:34:45 ± 0.15
Latitude 42.8592 ± 0.0036
Longitude 13.1848 ± 0.0037
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 78708731

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 388
Semi-minor axis of confidence ellipse (meter) 215
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 358
Circular confidence region, given by single value of horizontal uncertainty (meter) 390.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 175
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.12
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.25181
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 5
Magnitude information

ML:0.3

Field Value
Value 0.3
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 78708731
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-05-01 02:44:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
OX.MPRI.HHZ. 2020-05-01T02:36:21.46 3.0 undecidable manual Sn -2.14 0
IV.CAR1.HNZ. 2020-05-01T02:36:17.83 3.0 undecidable manual Sg 3.63 0
IV.FNVD.HHZ. 2020-05-01T02:35:58.78 3.0 undecidable manual Sg 8.94 0
IX.STN3.HHZ.02 2020-05-01T02:35:12.78 3.0 undecidable manual Pg 0.46 0
IV.CPGN.EHZ. 2020-05-01T02:35:09.96 3.0 undecidable manual Pg 5.06 0
IV.LAV9.HHZ. 2020-05-01T02:35:05.30 3.0 undecidable manual S -0.16 0
IV.PTRJ.HNZ. 2020-05-01T02:35:04.58 3.0 undecidable manual S -9.37 0
IV.MMUR.HNZ. 2020-05-01T02:34:59.48 3.0 negative manual P 1.98 0
IV.CESI.HHZ. 2020-05-01T02:34:55.70 0.3 undecidable manual S 305 27.9498 104 -0.01 73
IV.FDMO.HHZ. 2020-05-01T02:34:53.72 0.3 undecidable manual S 338 21.1677 109 0.25 70
IV.CESI.HHZ. 2020-05-01T02:34:51.33 0.6 undecidable manual P 305 27.9498 104 -0.15 47
IV.SAMA.EHZ. 2020-05-01T02:34:51.17 3.0 undecidable manual P -0.11 0
IV.FDMO.HHZ. 2020-05-01T02:34:50.07 0.1 undecidable manual P 338 21.1677 109 -0.12 96
IV.TRIV.HHZ. 2020-05-01T02:34:50.02 3.0 positive manual P -1.29 0
IV.MMO1.EHZ. 2020-05-01T02:34:50.72 0.3 undecidable manual S 69 12.3765 120 0.05 74
IV.NRCA.HHZ. 2020-05-01T02:34:49.09 0.6 undecidable manual S 244 6.3936 138 0.05 50
IV.MMO1.EHZ. 2020-05-01T02:34:48.59 1.0 undecidable manual P 69 12.3765 120 0.02 25
IV.MC2.EHZ. 2020-05-01T02:34:48.73 0.3 undecidable manual S 3 5.7942 141 -0.17 73
IV.NRCA.HHZ. 2020-05-01T02:34:47.67 0.1 positive manual P 244 6.3936 138 0.04 100
IV.MC2.EHZ. 2020-05-01T02:34:47.58 0.1 positive manual P 3 5.7942 141 0.03 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHN. ML:0.1 0.000009253234499999999 1.4384 AML other m 2020-05-01T02:34:54.88
IV.FDMO.HHE. ML:0.1 0.00001000183 1.3008 AML other m 2020-05-01T02:34:54.66
IV.CESI.HHE. ML:0.3 0.000012200075 0.88 AML other m 2020-05-01T02:34:56.01
IV.CESI.HHN. ML:0.6 0.000019654867499999998 0.4592 AML other m 2020-05-01T02:34:55.99
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