Earthquake with magnitude of ML 1.5 on date 04-04-2023 and time 10:57:59 (Italy) in region 6 km SE Castelsantangelo sul Nera (MC)

A magnitude ML 1.5 earthquake occured in region: 6 km SE Castelsantangelo sul Nera (MC), on

  • 04-04-2023 08:57:59 (UTC)
  • 04-04-2023 10:57:59 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8560, 13.2060 at 10 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.

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 6 281 281
Montegallo AP 11 523 804
Montemonaco AP 11 604 1408
Ussita MC 11 444 1852
Norcia PG 12 4957 6809
Arquata del Tronto AP 12 1178 7987
Visso MC 13 1107 9094
Preci PG 14 724 9818
Montefortino FM 15 1178 10996
Bolognola MC 16 142 11138
Accumoli RI 18 667 11805
Amandola FM 19 3629 15434
Acquasanta Terme AP 19 2916 18350
Acquacanina MC 20 121 18471

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km E of Foligno (57155 inhabitants)
46 Km W of Teramo (54892 inhabitants)
56 Km NE of Terni (111501 inhabitants)
58 Km N of L'Aquila (69753 inhabitants)
72 Km E of Perugia (166134 inhabitants)
86 Km W of Montesilvano (53738 inhabitants)
89 Km S of Ancona (100861 inhabitants)
93 Km W of Pescara (121014 inhabitants)
97 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
Bulletin
Rev1000
ML 1.5 2023-04-04
08:57:59
42.8558 13.2058 10 2024-03-01
17:18:19
Bollettino Sismico Italiano INGV 124158031
Reviewed
Rev100
ML 1.5 2023-04-04
08:57:59
42.8548 13.2063 10 2023-04-04
09:09:25
Sala Sismica INGV-Roma 116059191
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-04 08:57:59 ± 0.05
Latitude 42.8558 ± 0.0036
Longitude 13.2058 ± 0.0049
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 124158031

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 351
Semi-minor axis of confidence ellipse (meter) 348
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 176
Circular confidence region, given by single value of horizontal uncertainty (meter) 350.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 78
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) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.07105
Epicentral distance of station farthest from the epicenter (degree) 0.47934
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:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 24
Type of magnitude ML
Reference to an origin 124158031
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-12-20 10:30:13

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 116059191
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-04 09:09:25
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EL6.EHZ. 2023-04-04T08:58:17.30 1.0 undecidable manual S 351 53.2023 50 0.64 20
IV.TERO.HHZ. 2023-04-04T08:58:13.40 1.0 undecidable manual S 128 41.4252 50 -0.13 24
IV.MML1.EHZ. 2023-04-04T08:58:11.60 0.6 undecidable manual S 326 34.3434 50 -0.02 49
IV.CESI.HHZ. 2023-04-04T08:58:10.30 0.3 undecidable manual S 304 29.5482 50 -0.04 74
IV.LNSS.HNE. 2023-04-04T08:58:10.80 0.6 undecidable manual S 206 31.1466 50 0.03 49
IV.CSP1.EHZ. 2023-04-04T08:58:09.30 0.3 undecidable manual S 360 26.1516 50 -0.15 73
IV.EL6.EHZ. 2023-04-04T08:58:09.32 0.3 undecidable manual P 351 53.2023 50 -0.21 69
IV.MF5.EHZ. 2023-04-04T08:58:09.60 0.3 undecidable manual S 55 25.2525 50 0.39 70
IV.FDMO.HHZ. 2023-04-04T08:58:08.00 0.6 undecidable manual S 334 22.2555 115 -0.28 48
IV.TERO.HHZ. 2023-04-04T08:58:07.49 1.0 undecidable manual P 128 41.4252 50 -0.23 23
IV.GAVE.EHN. 2023-04-04T08:58:06.26 0.3 undecidable manual P 235 31.1466 50 0.12 73
IV.LNSS.HNE. 2023-04-04T08:58:06.08 0.6 undecidable manual P 206 31.1466 50 -0.05 49
IV.MML1.EHZ. 2023-04-04T08:58:06.53 0.3 undecidable manual P 326 34.3434 50 -0.09 73
IV.MTRA.EHE. 2023-04-04T08:58:06.90 0.6 undecidable manual S 125 19.0698 118 -0.37 47
IV.MF5.EHZ. 2023-04-04T08:58:05.50 0.1 positive manual P 55 25.2525 50 0.27 95
IV.MMO1.EHZ. 2023-04-04T08:58:05.00 0.3 undecidable manual S 64 10.9779 133 0.03 77
IV.CSP1.EHZ. 2023-04-04T08:58:05.19 0.1 negative manual P 360 26.1516 50 -0.18 97
IV.CESI.HHZ. 2023-04-04T08:58:05.80 0.1 positive manual P 304 29.5482 50 -0.08 98
IV.NRCA.HNZ. 2023-04-04T08:58:04.40 0.3 undecidable manual S 252 7.881 142 0.16 75
IV.FDMO.HHZ. 2023-04-04T08:58:04.58 0.3 undecidable manual P 334 22.2555 115 -0.11 74
IV.MTRA.EHE. 2023-04-04T08:58:03.76 0.3 undecidable manual P 125 19.0698 118 -0.35 71
IV.NRCA.HNZ. 2023-04-04T08:58:02.67 0.1 positive manual P 252 7.881 142 0.31 97
IV.MMO1.EHZ. 2023-04-04T08:58:02.94 0.1 negative manual P 64 10.9779 133 0.16 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:2.0 0.001438 0.16 AML other m 2023-04-04T08:58:04.55
IV.NRCA.HHN. ML:1.6 0.00055951745 0.1408 AML other m 2023-04-04T08:58:04.80
IV.FDMO.HHE. ML:1.2 0.00011565 0.26 AML other m 2023-04-04T08:58:08.33
IV.FDMO.HHN. ML:1.4 0.00016289710500000002 0.1792 AML other m 2023-04-04T08:58:08.30
IV.CESI.HHN. ML:1.6 0.00018206725 0.2048 AML other m 2023-04-04T08:58:10.58
IV.CESI.HHE. ML:1.3 0.000102078005 0.1856 AML other m 2023-04-04T08:58:10.67
IV.NRCA.HNE. ML:2.0 0.00135110085 0.1536 AML other m 2023-04-04T08:58:04.55
IV.NRCA.HNN. ML:1.5 0.00049522125 0.096 AML other m 2023-04-04T08:58:04.80
IV.CSP1.EHE. ML:1.2 0.00010083993000000001 0.6976 AML other m 2023-04-04T08:58:16.42
IV.CSP1.EHN. ML:1.5 0.000162555285 1.1968 AML other m 2023-04-04T08:58:08.90
IV.MF5.EHN. ML:1.8 0.00035113289999999997 1.9008 AML other m 2023-04-04T08:58:16.50
IV.MF5.EHE. ML:1.8 0.00033945674999999995 3.4816 AML other m 2023-04-04T08:58:07.22
IV.CESI.HNE. ML:1.4 0.000114611735 0.736 AML other m 2023-04-04T08:58:08.89
IV.CESI.HNN. ML:1.5 0.000162435775 0.2048 AML other m 2023-04-04T08:58:10.58
IV.MML1.EHE. ML:0.9 0.000028907549999999997 46.0032 AML other m 2023-04-04T08:58:06.12
IV.MML1.HNN. ML:1.6 0.00014597605 1.1136 AML other m 2023-04-04T08:58:18.50
IV.MML1.EHN. ML:1.2 0.00007197008499999999 0.2752 AML other m 2023-04-04T08:58:11.96
IV.MML1.HNE. ML:0.9 0.000034189730000000004 45.2608 AML other m 2023-04-04T08:58:05.75
IV.TERO.HHN. ML:1.0 0.000037378475 0.096 AML other m 2023-04-04T08:58:14.06
IV.TERO.HNN. ML:1.8 0.00018679390000000002 0.96 AML other m 2023-04-04T08:58:12.62
IV.TERO.HHE. ML:2.0 0.00029466904999999997 0.6592 AML other m 2023-04-04T08:58:10.56
IV.TERO.HNE. ML:1.6 0.000119499355 0.6016 AML other m 2023-04-04T08:58:23.07
IV.EL6.EHE. ML:1.8 0.00015187118 2.4576 AML other m 2023-04-04T08:58:12.76
IV.EL6.EHN. ML:1.8 0.0001541587 2.0992 AML other m 2023-04-04T08:58:30.53
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