Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 22-09-2019 and time 03:45:00 (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

  • 22-09-2019 01:45:00 (UTC)
  • 22-09-2019 03:45:00 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8270, 13.1980 at 13 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 9 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 14 724 8711
Visso MC 15 1107 9818
Accumoli RI 15 667 10485
Montefortino FM 18 1178 11663
Acquasanta Terme AP 19 2916 14579
Bolognola MC 19 142 14721
Cascia PG 19 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)
54 Km NE of Terni (111501 inhabitants)
55 Km NW of L'Aquila (69753 inhabitants)
73 Km E of Perugia (166134 inhabitants)
85 Km W of Montesilvano (53738 inhabitants)
92 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 2019-09-22
01:45:00		 42.8268 13.1977 13 2020-02-28
16:42:11		 Bollettino Sismico Italiano INGV 74282181
Reviewed
Rev100 		ML 1.1 2019-09-22
01:45:00		 42.8207 13.22 13 2019-09-22
01:59:21		 Sala Sismica INGV-Roma 72643291
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-09-22 01:45:00 ± 0.1
Latitude 42.8268 ± 0.0036
Longitude 13.1977 ± 0.0086
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 74282181

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 583
Semi-minor axis of confidence ellipse (meter) 333
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 85
Circular confidence region, given by single value of horizontal uncertainty (meter) 580.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 98
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 23
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) 0.06115
Epicentral distance of station farthest from the epicenter (degree) 0.37322
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.4
Num. used stations 16
Type of magnitude ML
Reference to an origin 74282181
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-12-03 14:44:57

ML:1.1

Field Value
Value 1.1
Uncertainty 0.4
Num. used stations 16
Type of magnitude ML
Reference to an origin 72643291
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-09-22 01:59:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TERO.HHZ. 2019-09-22T01:45:13.87 0.6 undecidable manual S 124 40.1265 95 0.2 46
IV.RM33.EHZ. 2019-09-22T01:45:12.84 0.6 undecidable manual S 178 35.3424 96 0.45 44
IV.MF5.EHZ. 2019-09-22T01:45:10.99 0.6 undecidable manual S 50 27.75 99 0.59 42
IV.GUMA.HHZ. 2019-09-22T01:45:10.90 0.6 undecidable manual S 23 28.4493 99 0.32 45
IV.CSP1.EHZ. 2019-09-22T01:45:10.75 0.6 undecidable manual S 1 29.3484 98 -0.08 48
IV.FDMO.HHZ. 2019-09-22T01:45:09.47 0.6 undecidable manual S 339 24.9528 101 -0.18 47
IV.SMA1.EHZ. 2019-09-22T01:45:09.45 0.6 undecidable manual S 153 24.4533 101 -0.09 47
IV.OFFI.HHZ. 2019-09-22T01:45:08.87 0.3 undecidable manual P 73 41.4252 95 0.57 63
IV.MTRA.EHZ. 2019-09-22T01:45:07.54 0.6 undecidable manual S 116 17.9709 110 -0.32 46
IV.TERO.HHZ. 2019-09-22T01:45:07.95 0.3 undecidable manual P 124 40.1265 95 -0.15 69
IV.RM33.EHZ. 2019-09-22T01:45:07.45 0.3 undecidable manual P 178 35.3424 96 0.09 70
IV.CSP1.EHZ. 2019-09-22T01:45:06.23 0.3 undecidable manual P 1 29.3484 98 -0.23 69
IV.MF5.EHZ. 2019-09-22T01:45:06.37 0.1 undecidable manual P 50 27.75 99 0.16 94
IV.MMO1.EHZ. 2019-09-22T01:45:06.24 0.3 undecidable manual S 53 13.1757 122 -0.48 67
IV.GUMA.HHZ. 2019-09-22T01:45:06.42 0.1 undecidable manual P 23 28.4493 99 0.11 94
IV.NRCA.HHZ. 2019-09-22T01:45:05.48 0.1 undecidable manual S 276 6.7932 146 -0.01 100
IV.MC2.EHZ. 2019-09-22T01:45:05.97 0.3 undecidable manual S 356 9.3795 135 0.05 74
IV.FDMO.HHZ. 2019-09-22T01:45:05.54 0.3 undecidable manual P 339 24.9528 101 -0.24 70
IV.SMA1.EHZ. 2019-09-22T01:45:05.72 0.3 undecidable manual P 153 24.4533 101 0.01 73
IV.MTRA.EHZ. 2019-09-22T01:45:04.50 0.1 undecidable manual P 116 17.9709 110 -0.24 93
IV.MMO1.EHZ. 2019-09-22T01:45:03.85 0.1 undecidable manual P 53 13.1757 122 -0.23 94
IV.NRCA.HHZ. 2019-09-22T01:45:03.45 0.3 undecidable manual P 276 6.7932 146 0.08 74
IV.MC2.EHZ. 2019-09-22T01:45:03.67 0.3 undecidable manual P 356 9.3795 135 0.05 74
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:1.8 0.000801 0.06 AML other m 2019-09-22T01:45:05.66
IV.NRCA.HNE. ML:1.8 0.0007624999999999999 0.08 AML other m 2019-09-22T01:45:05.70
IV.NRCA.HHN. ML:1.7 0.0006675 0.06 AML other m 2019-09-22T01:45:06.06
IV.NRCA.HNN. ML:1.7 0.0005865 0.08 AML other m 2019-09-22T01:45:06.06
IV.MTRA.EHN. ML:1.1 0.00009425 0.24 AML other m 2019-09-22T01:45:07.96
IV.MTRA.EHE. ML:1.2 0.0001172 0.34 AML other m 2019-09-22T01:45:08.07
IV.FDMO.HHN. ML:0.6 0.00002375 0.66 AML other m 2019-09-22T01:45:09.82
IV.SMA1.EHE. ML:0.9 0.0000459 0.7 AML other m 2019-09-22T01:45:09.64
IV.SMA1.EHN. ML:1.0 0.000047600000000000005 1.58 AML other m 2019-09-22T01:45:10.00
IV.FDMO.HHE. ML:0.6 0.0000256 0.2 AML other m 2019-09-22T01:45:11.02
IV.GUMA.HHN. ML:1.6 0.000176 0.38 AML other m 2019-09-22T01:45:11.30
IV.GUMA.HHE. ML:1.5 0.000156 0.28 AML other m 2019-09-22T01:45:11.21
IV.RM33.EHE. ML:0.9 0.000031899999999999996 1.08 AML other m 2019-09-22T01:45:13.44
IV.RM33.EHN. ML:0.9 0.0000317 1.08 AML other m 2019-09-22T01:45:13.78
IV.TERO.HHN. ML:1.0 0.0000361 0.08 AML other m 2019-09-22T01:45:14.00
IV.TERO.HHE. ML:1.0 0.00003675 0.08 AML other m 2019-09-22T01:45:14.00
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