Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 19-01-2020 and time 17:54:50 (UTC) in region 9 km SE Castelsantangelo sul Nera (MC)

A magnitude ML 1.3 earthquake occured in region: 9 km SE Castelsantangelo sul Nera (MC), on

  • 19-01-2020 17:54:50 (UTC)
  • 19-01-2020 18:54:50 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8300, 13.2120 at 9 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 9 281 281
Arquata del Tronto AP 9 1178 1459
Montegallo AP 10 523 1982
Norcia PG 10 4957 6939
Montemonaco AP 12 604 7543
Ussita MC 14 444 7987
Visso MC 15 1107 9094
Preci PG 15 724 9818
Accumoli RI 15 667 10485
Montefortino FM 17 1178 11663
Acquasanta Terme AP 18 2916 14579
Bolognola MC 19 142 14721

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km E of Foligno (57155 inhabitants)
45 Km W of Teramo (54892 inhabitants)
55 Km NE of Terni (111501 inhabitants)
55 Km N of L'Aquila (69753 inhabitants)
74 Km E of Perugia (166134 inhabitants)
84 Km W of Montesilvano (53738 inhabitants)
91 Km S of Ancona (100861 inhabitants)
92 Km W of Pescara (121014 inhabitants)
95 Km NW of Chieti (51815 inhabitants)
100 Km NE of Guidonia Montecelio (88673 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 1.3 2020-01-19
17:54:50		 42.8295 13.2118 9 2020-07-18
21:08:34		 Bollettino Sismico Italiano INGV 78449331
Reviewed
Rev100 		ML 1.7 2020-01-19
17:54:50		 42.833 13.2062 9 2020-01-19
18:02:23		 Sala Sismica INGV-Roma 75662311
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-01-19 17:54:50 ± 0.08
Latitude 42.8295 ± 0.0036
Longitude 13.2118 ± 0.0061
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 78449331

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 442
Semi-minor axis of confidence ellipse (meter) 171
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 274
Circular confidence region, given by single value of horizontal uncertainty (meter) 440.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 68
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.07195
Epicentral distance of station farthest from the epicenter (degree) 0.33365
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.4
Num. used stations 9
Type of magnitude ML
Reference to an origin 78449331
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-04-21 19:38:37

ML:1.7

Field Value
Value 1.7
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 75662311
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-01-19 18:02:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MML1.HNE. 2020-01-19T17:55:04.23 0.6 undecidable manual S 328 37.0296 50 0.52 43
IV.CESI.HHZ. 2020-01-19T17:55:02.27 0.6 undecidable manual S 308 31.6461 105 0.09 47
IV.PF6.EHN. 2020-01-19T17:55:02.64 0.6 undecidable manual S 358 34.2435 50 -0.31 45
IV.GAVE.EHZ. 2020-01-19T17:55:01.71 0.6 undecidable manual S 240 30.0477 106 0.08 48
IV.CSP1.EHZ. 2020-01-19T17:55:01.13 0.6 undecidable manual S 359 29.1486 106 -0.2 47
IV.MF5.EHZ. 2020-01-19T17:55:01.24 0.6 undecidable manual S 49 26.751 108 0.7 41
IV.LNSS.HHE. 2020-01-19T17:55:01.67 0.6 undecidable manual S 209 28.749 107 0.46 44
IV.FDMO.HHN. 2020-01-19T17:55:00.48 0.6 undecidable manual S 336 25.0527 109 0.48 44
IV.MML1.HNE. 2020-01-19T17:54:58.06 0.3 undecidable manual P 328 37.0296 50 -0.19 69
IV.T1299.HNN. 2020-01-19T17:54:58.16 0.6 undecidable manual S 165 22.4553 111 -0.96 36
IV.PF6.EHN. 2020-01-19T17:54:57.74 0.3 undecidable manual P 358 34.2435 50 -0.08 71
IV.MTRA.EHZ. 2020-01-19T17:54:57.98 0.6 undecidable manual S 118 17.0718 117 0.55 44
IV.CESI.HHZ. 2020-01-19T17:54:57.35 0.3 undecidable manual P 308 31.6461 105 -0.02 72
IV.MF5.EHZ. 2020-01-19T17:54:56.58 0.1 undecidable manual P 49 26.751 108 0.16 95
IV.LNSS.HHE. 2020-01-19T17:54:56.80 0.1 undecidable manual P 209 28.749 107 -0.01 97
IV.GAVE.EHZ. 2020-01-19T17:54:56.89 0.3 undecidable manual P 240 30.0477 106 -0.17 70
IV.CSP1.EHZ. 2020-01-19T17:54:56.56 0.1 undecidable manual P 359 29.1486 106 -0.32 91
IV.FDMO.HHN. 2020-01-19T17:54:56.16 0.3 undecidable manual P 336 25.0527 109 0.05 73
IV.T1299.HNN. 2020-01-19T17:54:55.88 0.3 undecidable manual P 165 22.4553 111 0.27 70
IV.MC2.EHZ. 2020-01-19T17:54:55.04 0.6 undecidable manual S 348 9.2796 133 -0.14 49
IV.MMO1.EHZ. 2020-01-19T17:54:55.67 0.6 undecidable manual S 50 12.1767 125 -0.28 47
IV.NRCA.HHZ. 2020-01-19T17:54:54.70 0.6 undecidable manual S 273 7.9809 137 -0.16 49
IV.MTRA.EHZ. 2020-01-19T17:54:54.57 0.3 undecidable manual P 118 17.0718 117 -0.06 74
IV.MC2.EHZ. 2020-01-19T17:54:53.50 0.3 undecidable manual P 348 9.2796 133 0.17 73
IV.MMO1.EHZ. 2020-01-19T17:54:53.49 0.1 undecidable manual P 50 12.1767 125 -0.29 94
IV.NRCA.HHZ. 2020-01-19T17:54:53.18 0.1 negative manual P 273 7.9809 137 0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HNE. ML:1.7 0.00083035585 0.1024 AML other m 2020-01-19T17:54:55.17
IV.NRCA.HNN. ML:1.6 0.00073810535 0.1152 AML other m 2020-01-19T17:54:55.18
IV.NRCA.HHN. ML:1.6 0.0007329085 0.1024 AML other m 2020-01-19T17:54:55.17
IV.NRCA.HHE. ML:1.8 0.00093560865 0.1024 AML other m 2020-01-19T17:54:55.17
IV.MTRA.EHE. ML:1.0 0.00008422632 0.3456 AML other m 2020-01-19T17:54:59.28
IV.MTRA.EHN. ML:1.0 0.00009988117 0.2304 AML other m 2020-01-19T17:54:58.85
IV.MTRA.HNN. ML:1.2 0.00012320419999999998 0.4352 AML other m 2020-01-19T17:55:00.67
IV.CESI.HHE. ML:0.8 0.000032174945 0.1792 AML other m 2020-01-19T17:55:02.63
IV.CESI.HHN. ML:1.2 0.00006682906999999998 0.1792 AML other m 2020-01-19T17:55:02.96
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