Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.8 on date 10-04-2020 and time 10:50:39 (Italy) in region 2 km E Castelsantangelo sul Nera (MC)

A magnitude ML 0.8 earthquake occured in region: 2 km E Castelsantangelo sul Nera (MC), on

  • 10-04-2020 08:50:39 (UTC)
  • 10-04-2020 10:50:39 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8930, 13.1840 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

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 2 281 281
Ussita MC 7 444 725
Visso MC 9 1107 1832
Preci PG 12 724 2556
Montemonaco AP 12 604 3160
Bolognola MC 12 142 3302
Norcia PG 13 4957 8259
Montegallo AP 14 523 8782
Montefortino FM 14 1178 9960
Acquacanina MC 15 121 10081
Fiastra MC 16 559 10640
Arquata del Tronto AP 16 1178 11818
Amandola FM 17 3629 15447
Fiordimonte MC 18 202 15649
Sarnano MC 19 3264 18913
Monte Cavallo MC 19 145 19058

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km E of Foligno (57155 inhabitants)
50 Km NW of Teramo (54892 inhabitants)
57 Km NE of Terni (111501 inhabitants)
63 Km N of L'Aquila (69753 inhabitants)
69 Km E of Perugia (166134 inhabitants)
85 Km SW of Ancona (100861 inhabitants)
90 Km W of Montesilvano (53738 inhabitants)
97 Km NW of Pescara (121014 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 0.8 2020-04-10
08:50:39		 42.8933 13.1835 12 2020-04-10
09:00:29		 Sala Sismica INGV-Roma 78073301
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-04-10 08:50:39 ± 0.08
Latitude 42.8933 ± 0.0036
Longitude 13.1835 ± 0.0049
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 78073301

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 357
Semi-minor axis of confidence ellipse (meter) 287
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 54
Circular confidence region, given by single value of horizontal uncertainty (meter) 360.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 89
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.01889
Epicentral distance of station farthest from the epicenter (degree) 0.24462
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.4
Num. used stations 8
Type of magnitude ML
Reference to an origin 78073301
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-04-10 09:00:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PF6.EHZ. 2020-04-10T08:50:48.61 0.3 undecidable manual S 2 27.1506 93 -0.14 72
IV.CESI.HHZ. 2020-04-10T08:50:48.43 0.3 undecidable manual S 299 25.8519 93 0.04 72
IV.CSP1.EHZ. 2020-04-10T08:50:47.42 0.3 undecidable manual S 4 22.0668 94 0.01 75
IV.MTRA.HNZ. 2020-04-10T08:50:47.83 0.3 undecidable manual S 131 23.0547 94 0.17 72
IV.FDMO.HHZ. 2020-04-10T08:50:46.02 0.3 undecidable manual S 334 17.6712 98 -0.22 72
IV.MMO1.EHZ. 2020-04-10T08:50:44.40 0.3 undecidable manual S 87 11.6772 117 -0.3 70
IV.CSP1.EHZ. 2020-04-10T08:50:44.03 0.1 undecidable manual P 4 22.0668 94 0.16 96
IV.PF6.EHZ. 2020-04-10T08:50:44.71 0.1 undecidable manual P 2 27.1506 93 0.06 97
IV.CESI.HHZ. 2020-04-10T08:50:44.49 0.1 undecidable manual P 299 25.8519 93 0.05 97
IV.MTRA.HNZ. 2020-04-10T08:50:43.82 0.1 undecidable manual P 131 23.0547 94 -0.2 95
IV.MC2.EHZ. 2020-04-10T08:50:43.16 0.6 undecidable manual S 13 2.0979 167 0.03 51
IV.FDMO.HHZ. 2020-04-10T08:50:43.17 0.6 undecidable manual P 334 17.6712 98 -0.03 50
IV.NRCA.HHZ. 2020-04-10T08:50:43.76 0.6 undecidable manual S 220 8.6802 131 -0.29 48
IV.NRCA.HHZ. 2020-04-10T08:50:42.00 0.1 negative manual P 220 8.6802 131 0.07 100
IV.MMO1.EHZ. 2020-04-10T08:50:42.47 0.1 undecidable manual P 87 11.6772 117 0.16 99
IV.MC2.EHZ. 2020-04-10T08:50:41.61 0.6 negative manual P 13 2.0979 167 0.2 50
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:1.1 0.000158 0.18 AML other m 2020-04-10T08:50:43.82
IV.NRCA.HHN. ML:1.1 0.00013900000000000002 0.08 AML other m 2020-04-10T08:50:44.45
IV.NRCA.HNE. ML:1.1 0.0001432076 0.0704 AML other m 2020-04-10T08:50:43.85
IV.NRCA.HNN. ML:1.1 0.00013877835499999998 0.0896 AML other m 2020-04-10T08:50:44.45
IV.FDMO.HHE. ML:0.1 0.000009791689 0.1408 AML other m 2020-04-10T08:50:46.23
IV.FDMO.HHN. ML:0.4 0.000018276395 0.2368 AML other m 2020-04-10T08:50:46.21
IV.CESI.HHE. ML:0.6 0.00001757166 0.224 AML other m 2020-04-10T08:50:48.52
IV.CESI.HHN. ML:0.4 0.00001676345 0.2432 AML other m 2020-04-10T08:50:48.64
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