Earthquake with magnitude of ML 1.2 on date 13-03-2023 and time 03:58:39 (Italy) in region 5 km SW Arquata del Tronto (AP)

A magnitude ML 1.2 earthquake occured in region: 5 km SW Arquata del Tronto (AP), on

  • 13-03-2023 02:58:39 (UTC)
  • 13-03-2023 03:58:39 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7430, 13.2620 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 5 1178 1178
Accumoli RI 5 667 1845
Acquasanta Terme AP 13 2916 4761
Montegallo AP 13 523 5284
Amatrice RI 13 2657 7941
Norcia PG 15 4957 12898
Cittareale RI 16 482 13380
Montemonaco AP 18 604 13984
Castelsantangelo sul Nera MC 19 281 14265
Valle Castellana TE 19 977 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)
51 Km E of Foligno (57155 inhabitants)
54 Km E of Terni (111501 inhabitants)
77 Km W of Montesilvano (53738 inhabitants)
82 Km SE of Perugia (166134 inhabitants)
84 Km W of Pescara (121014 inhabitants)
86 Km NW of Chieti (51815 inhabitants)
93 Km NE of Guidonia Montecelio (88673 inhabitants)
95 Km NE of Tivoli (56533 inhabitants)
100 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 1.2 2023-03-13
02:58:39
42.7427 13.2618 11 2024-03-01
17:18:00
Bollettino Sismico Italiano INGV 115752921
Reviewed
Rev100
ML 1.2 2023-03-13
02:58:39
42.7402 13.2563 11 2023-03-13
03:04:22
Sala Sismica INGV-Roma 115304641
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-13 02:58:39 ± 0.04
Latitude 42.7427 ± 0.0018
Longitude 13.2618 ± 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 115752921

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 341
Semi-minor axis of confidence ellipse (meter) 193
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 81
Circular confidence region, given by single value of horizontal uncertainty (meter) 340.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 111
Number of associated phases, regardless of their use for origin computation 35
Number of defining phases 32
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.63402
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 19
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 19
Type of magnitude ML
Reference to an origin 115752921
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-03-26 14:22:25

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 115304641
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-03-13 03:04:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CESI.HHZ. 2023-03-13T02:58:53.33 0.1 undecidable manual S 315 41.1255 50 0.23 92
IV.CING.HHZ. 2023-03-13T02:58:52.07 0.6 undecidable manual P 356 70.374 50 0.17 44
IV.CSP1.EHZ. 2023-03-13T02:58:52.48 0.3 undecidable manual S 353 39.0276 50 -0.06 72
IV.MF5.EHZ. 2023-03-13T02:58:51.28 0.3 undecidable manual S 31 31.6461 50 0.72 61
IV.EL6.EHZ. 2023-03-13T02:58:51.05 3.0 undecidable manual P 66.378 -0.23 0
IV.GAVE.EHZ. 2023-03-13T02:58:50.30 0.3 undecidable manual S 260 30.4473 50 0.04 73
IV.RM33.EHZ. 2023-03-13T02:58:49.14 0.3 undecidable manual S 188 26.1516 50 0.02 74
IV.MML1.EHZ. 2023-03-13T02:58:48.25 0.6 undecidable manual P 330 47.4192 50 -0.1 47
IV.LNSS.HHZ. 2023-03-13T02:58:48.63 0.1 undecidable manual S 229 23.754 50 0.15 96
IV.CAMP.HHZ. 2023-03-13T02:58:48.90 0.3 undecidable manual S 152 25.8519 50 -0.14 72
IV.CESI.HHZ. 2023-03-13T02:58:47.16 0.3 undecidable manual P 315 41.1255 50 -0.22 69
IV.ARRO.EHZ. 2023-03-13T02:58:47.95 0.3 undecidable manual P 246 44.3223 50 0.07 71
IV.MF5.EHZ. 2023-03-13T02:58:46.10 0.3 undecidable manual P 31 31.6461 50 0.18 71
IV.CSP1.EHZ. 2023-03-13T02:58:46.85 0.1 undecidable manual P 353 39.0276 50 -0.21 93
IV.NRCA.HHZ. 2023-03-13T02:58:46.19 0.1 undecidable manual S 310 15.6732 124 0.04 100
IV.FDMO.HHZ. 2023-03-13T02:58:46.19 0.1 undecidable manual P 337 35.5422 50 -0.34 91
IV.MMO1.EHZ. 2023-03-13T02:58:46.78 0.1 undecidable manual S 17 18.1707 120 -0.1 98
IV.GUMA.HHZ. 2023-03-13T02:58:46.65 0.3 undecidable manual P 10 36.0417 50 0.05 72
7F.SIB1.EHE. 2023-03-13T02:58:46.76 0.3 undecidable manual S 2 16.872 122 0.26 72
7F.SIB2.EHE. 2023-03-13T02:58:46.30 0.1 undecidable manual S 12 16.872 122 -0.18 97
IV.GIGS.HHZ. 2023-03-13T02:58:46.98 0.3 undecidable manual P 142 40.9257 50 -0.38 67
IV.MTRA.EHZ. 2023-03-13T02:58:45.10 3.0 undecidable manual S 0
7F.SIB3.EHN. 2023-03-13T02:58:45.80 0.3 undecidable manual S 3 14.6742 126 -0.08 75
IV.GAVE.EHZ. 2023-03-13T02:58:45.65 0.3 undecidable manual P 260 30.4473 50 -0.09 72
IV.SMA1.EHZ. 2023-03-13T02:58:45.82 0.1 undecidable manual S 154 13.7751 128 0.2 97
IV.LNSS.HHZ. 2023-03-13T02:58:44.69 0.1 undecidable manual P 229 23.754 50 -0.03 99
IV.CAMP.HHZ. 2023-03-13T02:58:44.94 0.6 undecidable manual P 152 25.8519 50 -0.1 49
IV.RM33.EHZ. 2023-03-13T02:58:44.98 0.1 undecidable manual P 188 26.1516 50 -0.1 97
7F.SIB2.EHE. 2023-03-13T02:58:43.46 0.1 undecidable manual P 12 16.872 122 -0.1 99
IV.SMA1.EHZ. 2023-03-13T02:58:43.23 0.1 undecidable manual P 154 13.7751 128 0.17 98
IV.NRCA.HHZ. 2023-03-13T02:58:43.43 0.1 negative manual P 310 15.6732 124 0.06 100
7F.SIB3.EHN. 2023-03-13T02:58:43.18 0.3 undecidable manual P 3 14.6742 126 -0.03 75
IV.MMO1.EHZ. 2023-03-13T02:58:43.74 0.1 undecidable manual P 17 18.1707 120 -0.05 99
7F.SIB1.EHE. 2023-03-13T02:58:43.66 0.1 undecidable manual P 2 16.872 122 0.09 99
IV.MTRA.EHZ. 2023-03-13T02:58:36.76 3.0 undecidable manual P 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHE. ML:1.3 0.00018099999999999998 1.7 AML other m 2023-03-13T02:58:45.11
IV.SMA1.EHN. ML:1.2 0.000144 1.84 AML other m 2023-03-13T02:58:46.93
IV.NRCA.HHE. ML:1.3 0.0001885 0.26 AML other m 2023-03-13T02:58:46.63
IV.MMO1.EHN. ML:1.2 0.00011899999999999999 0.28 AML other m 2023-03-13T02:58:46.83
IV.MMO1.EHE. ML:1.4 0.00020750000000000003 0.24 AML other m 2023-03-13T02:58:46.98
IV.NRCA.HHN. ML:1.2 0.00013550000000000001 0.44 AML other m 2023-03-13T02:58:47.11
IV.LNSS.HHN. ML:1.3 0.0001295 0.28 AML other m 2023-03-13T02:58:48.86
IV.RM33.EHE. ML:1.2 0.00007974999999999999 0.64 AML other m 2023-03-13T02:58:49.84
IV.RM33.EHN. ML:1.1 0.00006695000000000001 1.32 AML other m 2023-03-13T02:58:49.85
IV.LNSS.HHE. ML:1.1 0.00007314999999999999 1.44 AML other m 2023-03-13T02:58:50.20
IV.GAVE.EHN. ML:1.4 0.00011895 0.26 AML other m 2023-03-13T02:58:50.68
IV.GAVE.EHE. ML:1.3 0.0001015 0.28 AML other m 2023-03-13T02:58:51.79
IV.FDMO.HHN. ML:1.1 0.00005105 0.24 AML other m 2023-03-13T02:58:51.72
IV.FDMO.HHE. ML:1.0 0.00004215 0.5 AML other m 2023-03-13T02:58:52.60
IV.GUMA.HHN. ML:1.8 0.000258 1.38 AML other m 2023-03-13T02:58:52.75
IV.CESI.HHN. ML:1.0 0.000030050000000000002 0.32 AML other m 2023-03-13T02:58:53.71
IV.GUMA.HHE. ML:1.8 0.0002175 0.34 AML other m 2023-03-13T02:58:54.72
IV.NRCA.HNE. ML:1.3 0.00017551359999999999 0.12 AML other m 2023-03-13T02:58:46.62
IV.CAMP.HHE. ML:1.0 0.00005537613 0.2992 AML other m 2023-03-13T02:58:49.06
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