Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 27-02-2019 and time 14:24:00 (Italy) in region 6 km SE Castelsantangelo sul Nera (MC)

A magnitude ML 1.5 earthquake occured in region: 6 km SE Castelsantangelo sul Nera (MC), on

  • 27-02-2019 13:24:00 (UTC)
  • 27-02-2019 14:24:00 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8570, 13.1960 at 13 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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 6 281 281
Ussita MC 11 444 725
Norcia PG 11 4957 5682
Montegallo AP 11 523 6205
Montemonaco AP 12 604 6809
Visso MC 12 1107 7916
Arquata del Tronto AP 12 1178 9094
Preci PG 13 724 9818
Montefortino FM 15 1178 10996
Bolognola MC 16 142 11138
Accumoli RI 18 667 11805
Amandola FM 19 3629 15434
Acquacanina MC 19 121 15555
Acquasanta Terme AP 20 2916 18471

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)
89 Km SW of Ancona (100861 inhabitants)
94 Km W of Pescara (121014 inhabitants)
97 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
Bulletin
Rev1000 		ML 1.5 2019-02-27
13:24:00		 42.8568 13.1963 13 2019-08-22
08:24:59		 Bollettino Sismico Italiano INGV 68383881
Reviewed
Rev100 		ML 1.5 2019-02-27
13:24:00		 42.8668 13.1823 13 2019-02-27
13:30:22		 Sala Sismica INGV-Roma 66021491
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-02-27 13:24:00 ± 0.09
Latitude 42.8568 ± 0.0045
Longitude 13.1963 ± 0.0086
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 68383881

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 634
Semi-minor axis of confidence ellipse (meter) 306
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 104
Circular confidence region, given by single value of horizontal uncertainty (meter) 630.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 58
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.05486
Epicentral distance of station farthest from the epicenter (degree) 0.43977
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 66021491
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-02-27 13:30:22

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 68383881
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-05-09 13:08:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MF5.EHZ. 2019-02-27T13:24:10.61 0.6 undecidable manual S 56 25.8519 99 0.75 40
IV.GUMA.HNN. 2019-02-27T13:24:10.26 0.6 undecidable manual S 26 25.4523 99 0.51 45
IV.SNTG.HHE. 2019-02-27T13:24:10.03 0.1 undecidable manual P 335 48.8178 93 0.63 82
IV.CSP1.EHZ. 2019-02-27T13:24:09.73 0.6 undecidable manual S 2 26.0517 98 -0.18 48
IV.MTRA.EHZ. 2019-02-27T13:24:08.06 0.6 undecidable manual S 124 19.7691 105 -0.19 49
IV.FDMO.HHZ. 2019-02-27T13:24:08.31 0.6 undecidable manual S 336 21.7671 102 -0.48 45
IV.GAVE.EHN. 2019-02-27T13:24:07.03 0.1 undecidable manual P 234 30.6471 96 0.42 91
IV.RM33.HNE. 2019-02-27T13:24:07.89 0.1 undecidable manual P 178 38.628 94 0.05 97
IV.LNSS.HNZ. 2019-02-27T13:24:06.41 0.1 undecidable manual P 204 30.9468 96 -0.25 94
IV.PF6.EHN. 2019-02-27T13:24:06.37 0.1 undecidable manual P 360 31.1466 96 -0.32 92
IV.CESI.HHE. 2019-02-27T13:24:06.45 0.1 undecidable manual P 305 28.8489 97 0.11 97
IV.FDMO.HHZ. 2019-02-27T13:24:05.01 0.6 undecidable manual P 336 21.7671 102 -0.26 48
IV.MMO1.EHZ. 2019-02-27T13:24:05.96 0.6 undecidable manual S 66 11.5773 126 -0.32 48
IV.CSP1.EHZ. 2019-02-27T13:24:05.72 0.3 undecidable manual P 2 26.0517 98 -0.2 72
IV.MF5.EHZ. 2019-02-27T13:24:05.80 0.1 undecidable manual P 56 25.8519 99 -0.08 98
IV.NRCA.HHZ. 2019-02-27T13:24:05.36 0.6 undecidable manual S 249 7.1928 143 -0.07 51
IV.GUMA.HNN. 2019-02-27T13:24:05.47 0.1 undecidable manual P 26 25.4523 99 -0.35 93
IV.MC2.EHZ. 2019-02-27T13:24:05.39 0.3 undecidable manual S 354 6.0939 148 0.12 75
IV.MTRA.EHZ. 2019-02-27T13:24:04.91 0.1 undecidable manual P 124 19.7691 105 -0.05 100
IV.NRCA.HHZ. 2019-02-27T13:24:03.34 0.3 undecidable manual P 249 7.1928 143 0.01 77
IV.MC2.EHZ. 2019-02-27T13:24:03.39 0.3 undecidable manual P 354 6.0939 148 0.16 75
IV.MMO1.EHZ. 2019-02-27T13:24:03.78 0.3 undecidable manual P 66 11.5773 126 -0.04 76
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HNE. ML:1.7 0.00056850065 0.1408 AML other m 2019-02-27T13:24:05.49
IV.NRCA.HHE. ML:1.7 0.0006366224 0.1408 AML other m 2019-02-27T13:24:05.49
IV.NRCA.HHN. ML:1.6 0.000438504 0.0832 AML other m 2019-02-27T13:24:05.53
IV.NRCA.HNN. ML:1.6 0.0004545075 0.0768 AML other m 2019-02-27T13:24:05.50
IV.FDMO.HHN. ML:0.9 0.00005105 0.2 AML other m 2019-02-27T13:24:08.70
IV.FDMO.HHE. ML:0.8 0.00004405 0.42 AML other m 2019-02-27T13:24:09.07
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