Earthquake with magnitude of ML 1.0 on date 24-03-2023 and time 03:47:53 (UTC) in region 5 km E Montegallo (AP)

A magnitude ML 1.0 earthquake occured in region: 5 km E Montegallo (AP), on

  • 24-03-2023 03:47:53 (UTC)
  • 24-03-2023 04:47:53 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8370, 13.3900 at 22 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
Montegallo AP 5 523 523
Roccafluvione AP 8 2010 2533
Acquasanta Terme AP 8 2916 5449
Montemonaco AP 9 604 6053
Palmiano AP 9 196 6249
Venarotta AP 10 2066 8315
Arquata del Tronto AP 10 1178 9493
Montefortino FM 13 1178 10671
Comunanza AP 14 3166 13837
Valle Castellana TE 14 977 14814
Ascoli Piceno AP 15 49407 64221
Amandola FM 16 3629 67850
Force AP 16 1354 69204
Montefalcone Appennino FM 18 424 69628
Smerillo FM 19 365 69993
Rotella AP 19 906 70899
Accumoli RI 20 667 71566
Folignano AP 20 9241 80807

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km NW of Teramo (54892 inhabitants)
54 Km N of L'Aquila (69753 inhabitants)
57 Km E of Foligno (57155 inhabitants)
68 Km E of Terni (111501 inhabitants)
72 Km NW of Montesilvano (53738 inhabitants)
79 Km NW of Pescara (121014 inhabitants)
84 Km NW of Chieti (51815 inhabitants)
87 Km E of Perugia (166134 inhabitants)
87 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 1.0 2023-03-24
03:47:53
42.8372 13.3905 22 2024-03-01
17:18:19
Bollettino Sismico Italiano INGV 124165111
Reviewed
Rev100
ML 1.0 2023-03-24
03:47:53
42.8417 13.3723 22 2023-03-24
04:56:38
Sala Sismica INGV-Roma 115681801
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-24 03:47:53 ± 0.11
Latitude 42.8372 ± 0.0036
Longitude 13.3905 ± 0.0061
Depth (km) 22 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 124165111

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 502
Semi-minor axis of confidence ellipse (meter) 225
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 58
Circular confidence region, given by single value of horizontal uncertainty (meter) 500.0
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 22
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.07734
Epicentral distance of station farthest from the epicenter (degree) 0.39300
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:1.0

Field Value
Value 1.0
Uncertainty 0.1
Num. used stations 6
Type of magnitude ML
Reference to an origin 124165111
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-12-20 16:46:27

ML:1.0

Field Value
Value 1.0
Uncertainty 0.1
Num. used stations 6
Type of magnitude ML
Reference to an origin 115681801
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-03-24 04:56:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CESI.HHZ. 2023-03-24T03:48:08.09 0.6 undecidable manual S 295 43.623 109 0.29 45
IV.TERO.HHZ. 2023-03-24T03:48:04.64 0.6 undecidable manual S 144 29.4483 119 0.31 46
IV.SMA1.EHZ. 2023-03-24T03:48:03.14 0.1 undecidable manual S 191 23.3544 127 0.17 95
IV.GUMA.HHZ. 2023-03-24T03:48:03.71 0.3 undecidable manual S 350 25.4523 124 0.3 69
IV.MF5.EHZ. 2023-03-24T03:48:02.14 0.1 undecidable manual S 19 17.6712 136 0.33 93
IV.NRCA.HHZ. 2023-03-24T03:48:02.88 0.3 undecidable manual S 269 22.4553 128 0.1 73
IV.ASCOL.EHN. 2023-03-24T03:48:01.32 0.6 undecidable manual S 84 16.2726 138 -0.24 48
IV.CESI.HHZ. 2023-03-24T03:48:01.47 0.3 undecidable manual P 295 43.623 109 -0.17 69
7F.SIB1.EHZ. 2023-03-24T03:48:01.02 0.1 undecidable manual S 303 11.6772 148 0.19 97
7F.SIB2.EHZ. 2023-03-24T03:48:00.26 0.1 undecidable manual S 310 9.2796 154 -0.25 96
IV.MMO1.EHZ. 2023-03-24T03:48:00.32 0.1 undecidable manual S 323 8.5803 156 -0.12 99
7F.SIB3.EHZ. 2023-03-24T03:48:00.59 0.1 undecidable manual S 293 10.6782 151 -0.1 99
IV.GUMA.HHZ. 2023-03-24T03:47:59.03 0.1 undecidable manual P 350 25.4523 124 -0.07 97
IV.TERO.HHZ. 2023-03-24T03:47:59.58 0.3 undecidable manual P 144 29.4483 119 -0.05 72
IV.SMA1.EHZ. 2023-03-24T03:47:59.00 0.1 undecidable manual P 191 23.3544 127 0.16 96
IV.MF5.EHZ. 2023-03-24T03:47:58.22 0.1 undecidable manual P 19 17.6712 136 0.05 99
IV.NRCA.HHZ. 2023-03-24T03:47:58.66 0.1 undecidable manual P 269 22.4553 128 -0.07 97
7F.SIB1.EHZ. 2023-03-24T03:47:57.64 0.1 undecidable manual P 303 11.6772 148 0.03 100
7F.SIB2.EHZ. 2023-03-24T03:47:57.23 0.1 undecidable manual P 310 9.2796 154 -0.19 97
IV.MMO1.EHZ. 2023-03-24T03:47:57.27 0.1 undecidable manual P 323 8.5803 156 -0.12 99
7F.SIB3.EHZ. 2023-03-24T03:47:57.40 0.1 undecidable manual P 293 10.6782 151 -0.13 98
IV.ASCOL.EHN. 2023-03-24T03:47:57.80 0.3 undecidable manual P 84 16.2726 138 -0.23 71
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MMO1.EHN. ML:1.1 0.00008255 1 AML other m 2023-03-24T03:48:00.55
IV.MMO1.EHE. ML:0.9 0.0000541 0.92 AML other m 2023-03-24T03:48:01.51
IV.NRCA.HHN. ML:1.0 0.000048 0.16 AML other m 2023-03-24T03:48:03.25
IV.SMA1.EHN. ML:1.2 0.00007000000000000001 0.26 AML other m 2023-03-24T03:48:03.63
IV.SMA1.EHE. ML:1.0 0.00004685 0.18 AML other m 2023-03-24T03:48:03.69
IV.NRCA.HHE. ML:0.9 0.000041349999999999995 0.1 AML other m 2023-03-24T03:48:04.80
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