Earthquake with magnitude of ML 0.4 on date 23-03-2019 and time 17:26:16 (Italy) in region 5 km SE Castelsantangelo sul Nera (MC)

A magnitude ML 0.4 earthquake occured in region: 5 km SE Castelsantangelo sul Nera (MC), on

  • 23-03-2019 16:26:16 (UTC)
  • 23-03-2019 17:26:16 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8620, 13.1870 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.

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 11 4957 5682
Visso MC 11 1107 6789
Montegallo AP 12 523 7312
Montemonaco AP 12 604 7916
Preci PG 12 724 8640
Arquata del Tronto AP 13 1178 9818
Bolognola MC 15 142 9960
Montefortino FM 16 1178 11138
Acquacanina MC 19 121 11259
Accumoli RI 19 667 11926
Amandola FM 19 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)
88 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 0.4 2019-03-23
16:26:16
42.8617 13.1873 14 2019-03-23
16:34:30
Sala Sismica INGV-Roma 66842001
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-03-23 16:26:16 ± 0.1
Latitude 42.8617 ± 0.0063
Longitude 13.1873 ± 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 66842001

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 838
Semi-minor axis of confidence ellipse (meter) 399
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 227
Circular confidence region, given by single value of horizontal uncertainty (meter) 840.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 114
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.04946
Epicentral distance of station farthest from the epicenter (degree) 0.38761
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

ML:0.4

Field Value
Value 0.4
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 66842001
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-03-23 16:34:30
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TERO.HHZ. 2019-03-23T16:26:30.79 0.1 undecidable manual S 128 43.0236 95 0.13 93
IV.FDMO.HHZ. 2019-03-23T16:26:25.04 0.1 undecidable manual S 337 21.0678 106 0.19 97
IV.TERO.HHZ. 2019-03-23T16:26:25.01 1.0 positive manual P 128 43.0236 95 0.26 23
IV.MTRA.EHZ. 2019-03-23T16:26:24.55 0.1 undecidable manual S 124 20.6682 106 -0.2 97
IV.CSP1.EHZ. 2019-03-23T16:26:22.22 0.1 undecidable manual P 3 25.5522 101 0.14 97
IV.MC2.EHZ. 2019-03-23T16:26:21.51 0.3 undecidable manual S 1 5.4945 152 -0.03 77
IV.MTRA.EHZ. 2019-03-23T16:26:21.42 0.6 negative manual P 124 20.6682 106 0.08 49
IV.NRCA.HHE. 2019-03-23T16:26:21.56 0.3 undecidable manual S 242 6.6933 147 -0.14 75
IV.FDMO.HHZ. 2019-03-23T16:26:20.94 0.1 undecidable manual P 337 21.0678 106 -0.46 90
IV.MMO1.EHZ. 2019-03-23T16:26:20.05 0.1 undecidable manual P 70 12.0768 126 -0.1 100
IV.NRCA.HHE. 2019-03-23T16:26:19.79 0.1 undecidable manual P 242 6.6933 147 0.21 98
IV.MC2.EHZ. 2019-03-23T16:26:19.61 1.0 undecidable manual P 1 5.4945 152 0.12 25
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:0.2 0.000012491288999999998 0.2432 AML other m 2019-03-23T16:26:25.22
IV.FDMO.HHN. ML:0.2 0.000011225996 0.1152 AML other m 2019-03-23T16:26:25.13
IV.MTRA.EHE. ML:0.6 0.00002643337 0.1408 AML other m 2019-03-23T16:26:24.80
IV.MTRA.EHN. ML:0.6 0.000026573325 0.128 AML other m 2019-03-23T16:26:25.34
IV.TERO.HHE. ML:0.2 0.0000064766689999999995 0.3072 AML other m 2019-03-23T16:26:31.77
IV.TERO.HHN. ML:0.2 0.0000068397145 0.5504 AML other m 2019-03-23T16:26:32.35
IV.TERO.HNE. ML:1.1 0.000038867965 1.4336 AML other m 2019-03-23T16:26:31.92
IV.TERO.HNN. ML:1.0 0.000031765 2.2016 AML other m 2019-03-23T16:26:31.03
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download