Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 25-09-2019 and time 09:51:43 (Italy) in region 8 km SE Castelsantangelo sul Nera (MC)

A magnitude ML 1.1 earthquake occured in region: 8 km SE Castelsantangelo sul Nera (MC), on

  • 25-09-2019 07:51:43 (UTC)
  • 25-09-2019 09:51:43 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8440, 13.2190 at 15 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.

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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
Montegallo AP 9 523 804
Arquata del Tronto AP 10 1178 1982
Montemonaco AP 11 604 2586
Norcia PG 12 4957 7543
Ussita MC 13 444 7987
Visso MC 14 1107 9094
Montefortino FM 15 1178 10272
Preci PG 15 724 10996
Accumoli RI 17 667 11663
Bolognola MC 17 142 11805
Acquasanta Terme AP 18 2916 14721
Amandola FM 19 3629 18350

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km E of Foligno (57155 inhabitants)
45 Km W of Teramo (54892 inhabitants)
56 Km NE of Terni (111501 inhabitants)
57 Km N of L'Aquila (69753 inhabitants)
74 Km E of Perugia (166134 inhabitants)
84 Km W of Montesilvano (53738 inhabitants)
89 Km S of Ancona (100861 inhabitants)
92 Km W of Pescara (121014 inhabitants)
95 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 1.1 2019-09-25
07:51:43		 42.8437 13.2192 15 2019-09-25
08:10:32		 Sala Sismica INGV-Roma 72750831
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-09-25 07:51:43 ± 0.13
Latitude 42.8437 ± 0.0054
Longitude 13.2192 ± 0.0110
Depth (km) 15 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 72750831

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 919
Semi-minor axis of confidence ellipse (meter) 301
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 61
Circular confidence region, given by single value of horizontal uncertainty (meter) 920.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 126
Number of associated phases, regardless of their use for origin computation 32
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.35883
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.1
Num. used stations 12
Type of magnitude ML
Reference to an origin 72750831
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-09-25 08:10:32
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LADO.EHZ. 2019-09-25T07:53:39.01 3.0 undecidable manual Sn -6.19 0
GU.RORO.HHZ. 2019-09-25T07:53:31.18 3.0 undecidable manual Sn 3.08 0
IV.MIGL.HHZ. 2019-09-25T07:53:26.94 3.0 undecidable manual Sg 12.82 0
IV.MGR.HHZ. 2019-09-25T07:53:26.00 3.0 undecidable manual Sg 13.19 0
IV.CAVT.HHZ. 2019-09-25T07:53:17.74 3.0 negative manual Pg 17.709999 0
IV.DGI.HHZ. 2019-09-25T07:52:52.96 3.0 undecidable manual Pg 13.52 0
IV.EUCT.HNZ. 2019-09-25T07:52:51.54 3.0 positive manual Pg 12.75 0
IV.OVO.HHZ. 2019-09-25T07:52:43.81 3.0 undecidable manual Sn -4.13 0
IV.CRND.HNZ. 2019-09-25T07:52:37.84 3.0 undecidable manual Pg 8.49 0
IV.TREG.HNZ. 2019-09-25T07:52:30.33 3.0 positive manual Pn 1.62 0
IV.MRLC.HHZ. 2019-09-25T07:52:29.05 3.0 negative manual Pn 3.33 0
IV.CPGN.EHZ. 2019-09-25T07:52:19.10 3.0 undecidable manual S 0.44 0
IT.SULP.HGZ. 2019-09-25T07:52:16.52 3.0 undecidable manual S -0.07 0
IV.VVLD.HHZ. 2019-09-25T07:52:01.95 3.0 negative manual P -1.05 0
IV.CAMP.HHZ. 2019-09-25T07:51:55.74 0.6 undecidable manual S 156 37.5291 100 -0.11 47
IV.RM33.EHZ. 2019-09-25T07:51:55.98 0.3 undecidable manual S 181 37.1295 100 0.23 69
IV.MURB.HHZ. 2019-09-25T07:51:53.71 3.0 positive manual P -0.81 0
IV.FDMO.HHZ. 2019-09-25T07:51:52.87 0.3 undecidable manual S 333 23.9538 109 0.54 67
IV.CSP1.EHZ. 2019-09-25T07:51:52.74 0.3 undecidable manual S 358 27.5502 105 -0.51 64
IT.MTCL.HGZ. 2019-09-25T07:51:52.46 0.3 undecidable manual S 313 24.4533 109 0.01 74
IV.MTRA.EHZ. 2019-09-25T07:51:50.58 0.3 undecidable manual S 124 17.3715 120 -0.15 72
IV.TERO.HHZ. 2019-09-25T07:51:50.90 0.3 undecidable manual P 128 39.8268 99 0.01 72
IV.CAMP.HHZ. 2019-09-25T07:51:50.50 0.1 undecidable manual P 156 37.5291 100 -0.04 96
IV.RM33.EHZ. 2019-09-25T07:51:50.58 0.3 undecidable manual P 181 37.1295 100 0.1 71
IV.MC2.EHZ. 2019-09-25T07:51:49.06 0.3 undecidable manual S 342 7.881 147 0.19 74
IT.MTCL.HGZ. 2019-09-25T07:51:48.55 0.3 undecidable manual P 313 24.4533 109 -0.03 73
IV.FDMO.HHZ. 2019-09-25T07:51:48.62 0.3 undecidable manual P 333 23.9538 109 0.11 73
IV.NRCA.HNZ. 2019-09-25T07:51:48.53 0.3 undecidable manual S 263 8.5803 144 -0.45 69
IV.CSP1.EHZ. 2019-09-25T07:51:48.62 0.6 undecidable manual P 358 27.5502 105 -0.42 45
IV.MTRA.EHZ. 2019-09-25T07:51:47.60 0.1 undecidable manual P 124 17.3715 120 0.02 100
IV.MC2.EHZ. 2019-09-25T07:51:46.79 0.3 undecidable manual P 342 7.881 147 0.28 72
IV.NRCA.HNZ. 2019-09-25T07:51:46.55 0.3 undecidable manual P 263 8.5803 144 -0.02 76
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:1.1 0.0000738 0.14 AML other m 2019-09-25T07:51:53.80
IV.CAMP.HHE. ML:1.1 0.0000471 0.2 AML other m 2019-09-25T07:51:56.07
IV.CAMP.HHN. ML:0.9 0.000029199999999999998 0.22 AML other m 2019-09-25T07:51:56.29
IV.RM33.EHN. ML:1.0 0.000039800000000000005 0.2 AML other m 2019-09-25T07:51:56.29
IV.RM33.EHE. ML:1.2 0.000062 0.72 AML other m 2019-09-25T07:51:56.55
IV.TERO.HHE. ML:1.1 0.00004155 0.12 AML other m 2019-09-25T07:51:57.18
IV.MTRA.EHE. ML:1.0 0.00006739386 0.1152 AML other m 2019-09-25T07:51:51.18
IV.MTRA.EHN. ML:0.9 0.000056341360000000006 0.1792 AML other m 2019-09-25T07:51:50.99
IV.CSP1.EHE. ML:1.1 0.000058428335 0.224 AML other m 2019-09-25T07:51:55.48
IV.CSP1.EHN. ML:1.2 0.00007180381500000001 0.2816 AML other m 2019-09-25T07:51:54.99
IV.FDMO.HHN. ML:1.0 0.000059756630000000005 0.1408 AML other m 2019-09-25T07:51:53.58
IV.TERO.HHN. ML:1.1 0.00003999337 0.0768 AML other m 2019-09-25T07:51:57.13
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