Earthquake with magnitude of ML 1.5 on date 24-04-2023 and time 15:30:53 (Italy) in region 4 km SW Arquata del Tronto (AP)

A magnitude ML 1.5 earthquake occured in region: 4 km SW Arquata del Tronto (AP), on

  • 24-04-2023 13:30:53 (UTC)
  • 24-04-2023 15:30:53 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7420, 13.2730 at 11 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
Arquata del Tronto AP 4 1178 1178
Accumoli RI 6 667 1845
Acquasanta Terme AP 12 2916 4761
Montegallo AP 12 523 5284
Amatrice RI 13 2657 7941
Norcia PG 16 4957 12898
Cittareale RI 17 482 13380
Montemonaco AP 18 604 13984
Valle Castellana TE 19 977 14961
Castelsantangelo sul Nera MC 20 281 15242

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km W of Teramo (54892 inhabitants)
45 Km N of L'Aquila (69753 inhabitants)
52 Km E of Foligno (57155 inhabitants)
55 Km E of Terni (111501 inhabitants)
76 Km W of Montesilvano (53738 inhabitants)
83 Km E of Perugia (166134 inhabitants)
83 Km W of Pescara (121014 inhabitants)
85 Km NW of Chieti (51815 inhabitants)
94 Km NE of Guidonia Montecelio (88673 inhabitants)
95 Km NE of Tivoli (56533 inhabitants)
99 Km S of Ancona (100861 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 2023-04-24
13:30:53
42.7425 13.2727 11 2024-03-01
17:18:07
Bollettino Sismico Italiano INGV 117180401
Reviewed
Rev100
ML 1.6 2023-04-24
13:30:53
42.7377 13.2885 16 2023-04-24
13:35:53
Sala Sismica INGV-Roma 116704941
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-24 13:30:53 ± 0.04
Latitude 42.7425 ± 0.0027
Longitude 13.2727 ± 0.0049
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 117180401

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 347
Semi-minor axis of confidence ellipse (meter) 219
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 70
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) 48
Number of associated phases, regardless of their use for origin computation 40
Number of defining phases 40
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) 0.09173
Epicentral distance of station farthest from the epicenter (degree) 0.87144
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 25
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 117180401
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-05-09 12:41:52

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 26
Type of magnitude ML
Reference to an origin 116704941
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-24 13:35:53
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FRON.EHZ. 2023-04-24T13:31:09.90 0.1 undecidable manual P 333 96.7254 50 -0.16 84
IV.GUMA.HHZ. 2023-04-24T13:31:06.28 0.3 undecidable manual S 8 35.8419 50 0.48 66
IV.EL6.EHZ. 2023-04-24T13:31:05.48 1.0 undecidable manual P 348 66.5778 50 0.07 23
IV.SNTG.HHZ. 2023-04-24T13:31:05.08 0.6 undecidable manual P 335 62.8926 50 0.23 44
IV.FDMO.HHZ. 2023-04-24T13:31:05.64 0.3 undecidable manual S 335 35.9418 50 -0.17 70
IT.MTCL.HGZ. 2023-04-24T13:31:05.55 0.3 undecidable manual S 322 35.6421 50 -0.19 70
IV.FEMA.HNE. 2023-04-24T13:31:04.11 0.6 undecidable manual S 323 30.3474 50 -0.22 47
IV.GAVE.EHN. 2023-04-24T13:31:04.89 0.6 undecidable manual S 260 31.3464 50 0.3 46
IV.LNSS.HHZ. 2023-04-24T13:31:03.04 0.3 undecidable manual S 231 24.4533 50 0.28 70
IV.RM33.EHZ. 2023-04-24T13:31:03.53 0.3 undecidable manual S 190 26.3514 50 0.28 70
IV.TERO.HHZ. 2023-04-24T13:31:03.94 0.3 undecidable manual S 116 30.1476 50 -0.32 69
IV.MNTT.EHE. 2023-04-24T13:31:02.28 0.1 undecidable manual P 36 44.1225 50 0.33 89
IV.CAMP.HHZ. 2023-04-24T13:31:02.92 0.6 undecidable manual S 154 25.4523 50 -0.1 48
IV.MML1.EHZ. 2023-04-24T13:31:02.41 0.6 negative manual P 329 47.8188 50 -0.12 46
IV.ARRO.EHZ. 2023-04-24T13:31:01.66 0.6 undecidable manual P 247 45.1215 50 -0.45 43
IV.GIGS.HHZ. 2023-04-24T13:31:01.20 0.3 undecidable manual P 143 40.4262 50 -0.18 70
IV.CESI.HHZ. 2023-04-24T13:31:01.52 0.6 negative manual P 314 41.7249 50 -0.07 47
IV.CSP1.EHZ. 2023-04-24T13:31:00.91 0.6 undecidable manual P 352 39.1275 50 -0.28 46
7F.SIB2.EHE. 2023-04-24T13:31:00.41 0.6 undecidable manual S 9 16.6722 123 -0.17 48
IV.FDMO.HHZ. 2023-04-24T13:31:00.43 0.3 undecidable manual P 335 35.9418 50 -0.26 69
IV.GAVE.EHN. 2023-04-24T13:31:00.00 0.1 undecidable manual P 260 31.3464 50 0.02 97
IV.GUMA.HHZ. 2023-04-24T13:31:00.98 0.1 undecidable manual P 8 35.8419 50 0.3 91
IT.MTCL.HGZ. 2023-04-24T13:31:00.24 0.1 undecidable manual P 322 35.6421 50 -0.41 89
IV.NRCA.HNZ. 2023-04-24T13:31:00.45 0.6 undecidable manual S 308 16.3725 123 -0.05 50
IV.MF5.EHZ. 2023-04-24T13:31:00.25 0.1 undecidable manual P 29 31.1466 50 0.29 92
IV.MMO1.EHZ. 2023-04-24T13:31:00.88 0.6 undecidable manual S 14 17.9709 121 -0.08 49
IV.FEMA.HNE. 2023-04-24T13:31:00.15 0.3 undecidable manual P 323 30.3474 50 0.31 69
IV.TERO.HHZ. 2023-04-24T13:30:59.54 0.3 undecidable manual P 116 30.1476 50 -0.25 70
7F.SIB3.EHN. 2023-04-24T13:30:59.83 0.6 undecidable manual S 359 14.6742 126 -0.19 48
IV.MTRA.EHZ. 2023-04-24T13:30:59.03 0.3 undecidable manual S 81 10.1787 137 0.19 73
IV.SMA1.EHN. 2023-04-24T13:30:59.75 0.3 undecidable manual S 158 13.4754 129 0.08 74
IV.LNSS.HHZ. 2023-04-24T13:30:59.05 0.3 undecidable manual P 231 24.4533 50 0.12 72
IV.RM33.EHZ. 2023-04-24T13:30:59.26 0.3 undecidable manual P 190 26.3514 50 0.05 73
IV.CAMP.HHZ. 2023-04-24T13:30:58.77 0.3 undecidable manual P 154 25.4523 50 -0.31 69
IV.MMO1.EHZ. 2023-04-24T13:30:57.93 0.1 undecidable manual P 14 17.9709 121 0.04 99
7F.SIB2.EHE. 2023-04-24T13:30:57.63 0.1 undecidable manual P 9 16.6722 123 -0.04 99
7F.SIB3.EHN. 2023-04-24T13:30:57.38 0.1 undecidable manual P 359 14.6742 126 0.03 100
IV.NRCA.HNZ. 2023-04-24T13:30:57.73 0.1 undecidable manual P 308 16.3725 123 0.11 98
IV.MTRA.EHZ. 2023-04-24T13:30:56.75 0.3 undecidable manual P 81 10.1787 137 0.08 75
IV.SMA1.EHN. 2023-04-24T13:30:56.96 0.6 undecidable manual P 158 13.4754 129 -0.18 49
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRA.EHN. ML:1.7 0.0006255 0.44 AML other m 2023-04-24T13:30:59.35
IV.MTRA.EHE. ML:1.8 0.0007005000000000001 0.6 AML other m 2023-04-24T13:30:59.17
IV.MMO1.EHN. ML:1.7 0.000381 1.78 AML other m 2023-04-24T13:31:01.97
IV.MMO1.EHE. ML:1.6 0.00028399999999999996 0.2 AML other m 2023-04-24T13:31:01.10
IV.CAMP.HHE. ML:1.0 0.0000616 0.24 AML other m 2023-04-24T13:31:03.29
IV.LNSS.HHE. ML:1.7 0.0002785 0.3 AML other m 2023-04-24T13:31:03.23
IV.RM33.EHN. ML:1.4 0.00013000000000000002 0.42 AML other m 2023-04-24T13:31:03.53
IV.LNSS.HHN. ML:1.8 0.000372 0.68 AML other m 2023-04-24T13:31:03.87
IV.CAMP.HHN. ML:1.1 0.00006865 1.28 AML other m 2023-04-24T13:31:04.02
IV.RM33.EHE. ML:1.5 0.000188 0.72 AML other m 2023-04-24T13:31:04.38
IV.TERO.HHE. ML:1.2 0.00008345 0.84 AML other m 2023-04-24T13:31:04.13
IV.TERO.HHN. ML:1.3 0.00009275 0.18 AML other m 2023-04-24T13:31:05.22
IV.MF5.EHE. ML:1.7 0.000252 1.48 AML other m 2023-04-24T13:31:05.92
IV.MF5.EHN. ML:1.5 0.0001505 1.54 AML other m 2023-04-24T13:31:06.01
IV.FDMO.HHN. ML:1.3 0.00007645 0.64 AML other m 2023-04-24T13:31:06.05
IV.FDMO.HHE. ML:1.2 0.0000539 0.42 AML other m 2023-04-24T13:31:06.86
IV.GUMA.HHN. ML:2.1 0.000526 0.24 AML other m 2023-04-24T13:31:06.94
IV.CESI.HHE. ML:1.4 0.0000731 0.64 AML other m 2023-04-24T13:31:07.37
IV.CSP1.EHE. ML:1.7 0.0001795 0.38 AML other m 2023-04-24T13:31:08.01
IV.CESI.HHN. ML:1.6 0.00011499999999999999 0.48 AML other m 2023-04-24T13:31:08.00
IV.GUMA.HHE. ML:2.1 0.0004455 1.68 AML other m 2023-04-24T13:31:08.04
IV.CSP1.EHN. ML:1.7 0.000175 0.46 AML other m 2023-04-24T13:31:09.51
IV.MML1.EHN. ML:1.3 0.000056099999999999995 0.16 AML other m 2023-04-24T13:31:09.91
IV.MML1.EHE. ML:1.3 0.000056349999999999994 1.58 AML other m 2023-04-24T13:31:10.91
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