Earthquake with magnitude of ML 0.9 on date 16-04-2019 and time 17:39:58 (Italy) in region 4 km E Castelsantangelo sul Nera (MC)

A magnitude ML 0.9 earthquake occured in region: 4 km E Castelsantangelo sul Nera (MC), on

  • 16-04-2019 15:39:58 (UTC)
  • 16-04-2019 17:39:58 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9110, 13.1960 at 11 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.

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 4 281 281
Ussita MC 6 444 725
Visso MC 9 1107 1832
Bolognola MC 10 142 1974
Montemonaco AP 11 604 2578
Montefortino FM 12 1178 3756
Preci PG 13 724 4480
Acquacanina MC 13 121 4601
Montegallo AP 14 523 5124
Fiastra MC 14 559 5683
Amandola FM 15 3629 9312
Norcia PG 16 4957 14269
Sarnano MC 16 3264 17533
Fiordimonte MC 17 202 17735
Arquata del Tronto AP 17 1178 18913
Monte Cavallo MC 18 145 19058
Comunanza AP 19 3166 22224
Pieve Torina MC 19 1458 23682
Pievebovigliana MC 19 866 24548

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km E of Foligno (57155 inhabitants)
50 Km NW of Teramo (54892 inhabitants)
59 Km NE of Terni (111501 inhabitants)
64 Km N of L'Aquila (69753 inhabitants)
69 Km E of Perugia (166134 inhabitants)
83 Km SW of Ancona (100861 inhabitants)
90 Km NW 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
Bulletin
Rev1000
ML 0.9 2019-04-16
15:39:58
42.9113 13.1963 11 2019-08-22
08:25:02
Bollettino Sismico Italiano INGV 69620681
Reviewed
Rev100
ML 1.7 2019-04-16
15:39:58
42.9118 13.1992 11 2019-04-16
15:46:17
Sala Sismica INGV-Roma 67644981
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-04-16 15:39:58 ± 0.07
Latitude 42.9113 ± 0.0054
Longitude 13.1963 ± 0.0061
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 69620681

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 634
Semi-minor axis of confidence ellipse (meter) 430
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 213
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) 82
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.23292
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.4
Num. used stations 11
Type of magnitude ML
Reference to an origin 69620681
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-06-17 09:54:53

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 67644981
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-04-16 15:46:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CESI.HHZ. 2019-04-16T15:40:07.70 0.1 undecidable manual S 294 25.8519 50 0.08 96
IV.MF5.EHZ. 2019-04-16T15:40:07.60 0.1 undecidable manual S 68 22.9548 50 0.74 80
IV.TERO.HHZ. 2019-04-16T15:40:06.65 3.0 undecidable manual P -0.11 0
IV.MTRA.EHZ. 2019-04-16T15:40:06.70 0.1 undecidable manual S 136 23.6541 50 -0.34 91
IV.CSP1.EHE. 2019-04-16T15:40:05.80 0.3 undecidable manual S 2 20.0688 50 -0.26 70
IV.FDMO.HHZ. 2019-04-16T15:40:04.70 0.1 undecidable manual S 328 16.4724 124 -0.39 92
IV.FEMA.HNE. 2019-04-16T15:40:04.30 0.3 undecidable manual S 295 13.1757 130 0.13 73
IV.NRCA.HHZ. 2019-04-16T15:40:03.60 0.1 undecidable manual S 218 10.878 135 0.01 100
IV.CESI.HHZ. 2019-04-16T15:40:03.60 0.1 undecidable manual P 294 25.8519 50 -0.05 97
IV.MTRA.EHZ. 2019-04-16T15:40:03.14 0.1 undecidable manual P 136 23.6541 50 -0.17 95
IV.MMO1.EHZ. 2019-04-16T15:40:03.20 0.1 undecidable manual S 97 10.6782 136 -0.34 93
IV.MF5.EHZ. 2019-04-16T15:40:03.35 0.1 undecidable manual P 68 22.9548 50 0.14 95
IV.FDMO.HHZ. 2019-04-16T15:40:02.01 0.3 undecidable manual P 328 16.4724 124 -0.18 72
IV.CSP1.EHE. 2019-04-16T15:40:02.68 0.1 undecidable manual P 2 20.0688 50 -0.07 97
IV.MC2.EHZ. 2019-04-16T15:40:02.30 0.1 undecidable manual S 270 0.5994 177 0.27 96
IV.NRCA.HHZ. 2019-04-16T15:40:01.44 0.1 positive manual P 218 10.878 135 0.12 98
IV.MMO1.EHZ. 2019-04-16T15:40:01.20 0.1 negative manual P 97 10.6782 136 -0.1 98
IV.FEMA.HNE. 2019-04-16T15:40:01.79 0.3 undecidable manual P 295 13.1757 130 0.13 73
IV.MC2.EHZ. 2019-04-16T15:40:00.71 0.1 negative manual P 270 0.5994 177 0.28 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:0.0 0.000482 0.16 AML other m 2019-04-16T15:40:03.73
IV.NRCA.HNE. ML:0.0 0.000438 0.1 AML other m 2019-04-16T15:40:03.77
IV.NRCA.HNN. ML:0.0 0.00050857945 0.1408 AML other m 2019-04-16T15:40:03.74
IV.NRCA.HHE. ML:0.0 0.0004654383 0.1024 AML other m 2019-04-16T15:40:03.77
IV.FDMO.HHE. ML:0.0 0.000040650955000000005 0.1408 AML other m 2019-04-16T15:40:05.13
IV.FDMO.HHN. ML:0.0 0.00008537080999999999 0.2304 AML other m 2019-04-16T15:40:05.09
IV.MTRA.EHN. ML:0.0 0.00003374696 0.32 AML other m 2019-04-16T15:40:08.45
IV.MTRA.EHE. ML:0.0 0.000029178665 0.0512 AML other m 2019-04-16T15:40:07.26
IV.CESI.HHE. ML:0.0 0.000015408605 0.192 AML other m 2019-04-16T15:40:08.28
IV.CESI.HHN. ML:0.0 0.000034255805 0.256 AML other m 2019-04-16T15:40:08.08
IV.TERO.HHE. ML:0.5 0.000011395585 0.1152 AML other m 2019-04-16T15:40:14.02
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