Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 12-04-2019 and time 15:52:54 (Italy) in region 5 km SE Castelsantangelo sul Nera (MC)

A magnitude ML 1.0 earthquake occured in region: 5 km SE Castelsantangelo sul Nera (MC), on

  • 12-04-2019 13:52:54 (UTC)
  • 12-04-2019 15:52:54 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8640, 13.2010 at 14 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 5 281 281
Ussita MC 10 444 725
Montemonaco AP 11 604 1329
Montegallo AP 11 523 1852
Visso MC 12 1107 2959
Norcia PG 12 4957 7916
Arquata del Tronto AP 13 1178 9094
Preci PG 13 724 9818
Montefortino FM 15 1178 10996
Bolognola MC 15 142 11138
Amandola FM 18 3629 14767
Acquacanina MC 19 121 14888
Accumoli RI 19 667 15555
Fiastra MC 20 559 16114

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km E of Foligno (57155 inhabitants)
47 Km W of Teramo (54892 inhabitants)
56 Km NE of Terni (111501 inhabitants)
59 Km N of L'Aquila (69753 inhabitants)
71 Km E of Perugia (166134 inhabitants)
87 Km W of Montesilvano (53738 inhabitants)
88 Km SW of Ancona (100861 inhabitants)
94 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 1.0 2019-04-12
13:52:54		 42.8643 13.2007 14 2019-04-12
14:02:34		 Sala Sismica INGV-Roma 67504911
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-04-12 13:52:54 ± 0.17
Latitude 42.8643 ± 0.0072
Longitude 13.2007 ± 0.0086
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 67504911

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 779
Semi-minor axis of confidence ellipse (meter) 245
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 334
Circular confidence region, given by single value of horizontal uncertainty (meter) 780.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 117
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.22753
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 6
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.7
Num. used stations 4
Type of magnitude ML
Reference to an origin 67504911
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-04-12 14:02:34
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VIVA.HHZ. 2019-04-12T13:53:13.55 3.0 undecidable manual Pg 0.05 0
IV.INTR.HHZ. 2019-04-12T13:53:10.55 3.0 positive manual P -0.12 0
IV.FDMO.HHZ. 2019-04-12T13:53:02.34 0.1 undecidable manual S 334 21.1677 107 -0.12 96
IV.MC2.EHZ. 2019-04-12T13:52:59.43 0.3 undecidable manual S 350 5.2947 154 0.31 71
IV.MMO1.EHZ. 2019-04-12T13:52:59.81 0.1 undecidable manual S 69 10.9779 131 -0.24 96
IV.NRCA.HNZ. 2019-04-12T13:52:59.29 0.1 undecidable manual S 244 7.7811 143 -0.19 97
IV.FDMO.HHZ. 2019-04-12T13:52:59.00 1.0 positive manual P 334 21.1677 107 0.02 25
IV.CSP1.EHZ. 2019-04-12T13:52:59.67 1.0 undecidable manual P 1 25.2525 102 0.09 24
IV.MTRA.EHZ. 2019-04-12T13:52:58.97 0.6 undecidable manual P 127 19.9689 108 0.17 48
IV.MC2.EHZ. 2019-04-12T13:52:57.45 1.0 undecidable manual P 350 5.2947 154 0.39 23
IV.MMO1.EHZ. 2019-04-12T13:52:57.67 1.0 undecidable manual P 69 10.9779 131 0.08 25
IV.NRCA.HNZ. 2019-04-12T13:52:57.32 0.1 undecidable manual P 244 7.7811 143 0.06 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:0.2 0.000009787156999999999 0.224 AML other m 2019-04-12T13:53:02.68
IV.FDMO.HHN. ML:0.5 0.000020495551 0.3008 AML other m 2019-04-12T13:53:02.52
IV.INTR.HHE. ML:1.4 0.000022046621500000002 0.1984 AML other m 2019-04-12T13:53:13.57
IV.INTR.HHN. ML:1.8 0.000048231685 0.256 AML other m 2019-04-12T13:53:13.56
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