Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 19-01-2020 and time 18:58:25 (Italy) in region 8 km SE Castelsantangelo sul Nera (MC)

A magnitude ML 1.2 earthquake occured in region: 8 km SE Castelsantangelo sul Nera (MC), on

  • 19-01-2020 17:58:25 (UTC)
  • 19-01-2020 18:58:25 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8320, 13.2050 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 8 281 281
Norcia PG 10 4957 5238
Arquata del Tronto AP 10 1178 6416
Montegallo AP 11 523 6939
Montemonaco AP 13 604 7543
Ussita MC 14 444 7987
Preci PG 15 724 8711
Visso MC 15 1107 9818
Accumoli RI 16 667 10485
Montefortino FM 17 1178 11663
Acquasanta Terme AP 18 2916 14579
Bolognola MC 18 142 14721
Cascia PG 20 3217 17938

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km E of Foligno (57155 inhabitants)
45 Km W of Teramo (54892 inhabitants)
55 Km NE of Terni (111501 inhabitants)
56 Km N of L'Aquila (69753 inhabitants)
73 Km E of Perugia (166134 inhabitants)
85 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 1.2 2020-01-19
17:58:25		 42.8317 13.2047 9 2020-07-18
21:08:31		 Bollettino Sismico Italiano INGV 78036781
Reviewed
Rev100 		ML 1.6 2020-01-19
17:58:25		 42.8237 13.2108 7 2020-01-19
18:10:24		 Sala Sismica INGV-Roma 75662321
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-01-19 17:58:25 ± 0.1
Latitude 42.8317 ± 0.0054
Longitude 13.2047 ± 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 78036781

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 507
Semi-minor axis of confidence ellipse (meter) 366
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 229
Circular confidence region, given by single value of horizontal uncertainty (meter) 510.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 65
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
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) 0.06655
Epicentral distance of station farthest from the epicenter (degree) 0.50272
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 75662321
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-01-19 18:10:24

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 78036781
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-04-09 08:30:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RM33.EHZ. 2020-01-19T17:58:38.64 0.6 undecidable manual S 179 35.8419 50 0.38 45
IV.CESI.HHZ. 2020-01-19T17:58:37.22 0.6 undecidable manual S 308 31.0467 106 0.31 46
IV.MF5.EHZ. 2020-01-19T17:58:36.17 0.6 undecidable manual S 50 26.9508 108 0.61 43
IV.EL6.EHZ. 2020-01-19T17:58:35.84 0.6 undecidable manual P 351 55.7997 50 -0.21 45
IV.CESI.HHZ. 2020-01-19T17:58:32.05 0.6 undecidable manual P 308 31.0467 106 -0.13 48
IV.MTRA.EHZ. 2020-01-19T17:58:32.93 0.3 undecidable manual S 118 17.6712 116 0.37 70
IV.RM33.EHZ. 2020-01-19T17:58:32.74 0.3 undecidable manual P 179 35.8419 50 -0.22 70
IV.MF5.EHZ. 2020-01-19T17:58:31.80 0.6 undecidable manual P 50 26.9508 108 0.4 45
IV.LNSS.HHZ. 2020-01-19T17:58:31.71 0.3 undecidable manual P 208 28.749 107 -0.02 73
IV.SMA1.EHZ. 2020-01-19T17:58:30.66 0.3 undecidable manual P 154 24.753 109 -0.31 70
IV.MMO1.EHZ. 2020-01-19T17:58:30.31 0.6 undecidable manual S 53 12.4764 125 -0.68 42
IV.FDMO.HHZ. 2020-01-19T17:58:30.89 0.6 undecidable manual P 337 24.6531 109 -0.06 49
IV.MTRA.EHZ. 2020-01-19T17:58:29.57 0.3 positive manual P 118 17.6712 116 -0.1 74
IV.NRCA.HHZ. 2020-01-19T17:58:29.70 0.3 undecidable manual S 272 7.3815 140 0.03 76
IV.MC2.EHZ. 2020-01-19T17:58:28.25 0.3 undecidable manual P 352 8.88 134 0.03 76
IV.MMO1.EHZ. 2020-01-19T17:58:28.46 0.3 positive manual P 53 12.4764 125 -0.3 71
IV.NRCA.HHZ. 2020-01-19T17:58:28.10 0.1 positive manual P 272 7.3815 140 0.1 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HNE. ML:1.9 0.001264262 0.1024 AML other m 2020-01-19T17:58:30.12
IV.NRCA.HNN. ML:1.8 0.0010123277 0.1024 AML other m 2020-01-19T17:58:30.13
IV.NRCA.HHN. ML:1.8 0.00098841385 0.1024 AML other m 2020-01-19T17:58:30.13
IV.NRCA.HHE. ML:1.9 0.0014068070000000002 0.1024 AML other m 2020-01-19T17:58:30.12
IV.MTRA.EHE. ML:1.1 0.000111630905 0.2304 AML other m 2020-01-19T17:58:34.29
IV.MTRA.EHN. ML:1.2 0.00012044455000000001 0.2304 AML other m 2020-01-19T17:58:33.68
IV.MTRA.HNE. ML:1.2 0.000131379155 0.2432 AML other m 2020-01-19T17:58:34.28
IV.MTRA.HNN. ML:1.2 0.0001428619 0.448 AML other m 2020-01-19T17:58:36.15
IV.SMA1.EHE. ML:1.0 0.00005379243 0.4096 AML other m 2020-01-19T17:58:40.33
IV.SMA1.EHN. ML:1.0 0.000056108225 0.4224 AML other m 2020-01-19T17:58:41.25
IV.FDMO.HHE. ML:0.9 0.000042932795 0.2432 AML other m 2020-01-19T17:58:37.54
IV.FDMO.HHN. ML:0.9 0.00005043509 0.2176 AML other m 2020-01-19T17:58:37.74
IV.CESI.HHN. ML:1.4 0.00010374078 0.192 AML other m 2020-01-19T17:58:37.91
IV.CESI.HHE. ML:0.9 0.000038071875 0.1408 AML other m 2020-01-19T17:58:37.73
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