Earthquake with magnitude of ML 0.7 on date 22-03-2023 and time 17:57:14 (UTC) in region 4 km NE Cerreto di Spoleto (PG)

A magnitude ML 0.7 earthquake occured in region: 4 km NE Cerreto di Spoleto (PG), on

  • 22-03-2023 17:57:14 (UTC)
  • 22-03-2023 18:57:14 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8470, 12.9490 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
Cerreto di Spoleto PG 4 1075 1075
Sellano PG 5 1079 2154
Preci PG 8 724 2878
Vallo di Nera PG 11 364 3242
Norcia PG 13 4957 8199
Campello sul Clitunno PG 14 2442 10641
Visso MC 15 1107 11748
Poggiodomo PG 15 117 11865
Cascia PG 15 3217 15082
Sant'Anatolia di Narco PG 16 564 15646
Trevi PG 17 8469 24115
Monte Cavallo MC 17 145 24260
Castelsantangelo sul Nera MC 18 281 24541
Scheggino PG 18 461 25002
Ussita MC 19 444 25446

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km SE of Foligno (57155 inhabitants)
40 Km NE of Terni (111501 inhabitants)
54 Km SE of Perugia (166134 inhabitants)
65 Km W of Teramo (54892 inhabitants)
66 Km NW of L'Aquila (69753 inhabitants)
84 Km NE of Viterbo (67173 inhabitants)
96 Km N of Guidonia Montecelio (88673 inhabitants)
97 Km SW of Ancona (100861 inhabitants)
99 Km N of Tivoli (56533 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 0.7 2023-03-22
17:57:14
42.8473 12.9492 11 2024-03-01
17:18:16
Bollettino Sismico Italiano INGV 121311101
Reviewed
Rev100
ML 0.7 2023-03-22
17:57:14
42.8447 12.9478 11 2023-03-22
18:07:22
Sala Sismica INGV-Roma 115635591
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-22 17:57:14 ± 0.05
Latitude 42.8473 ± 0.0027
Longitude 12.9492 ± 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 121311101

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 360
Semi-minor axis of confidence ellipse (meter) 285
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 275
Circular confidence region, given by single value of horizontal uncertainty (meter) 360.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 69
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 28
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) 0.12141
Epicentral distance of station farthest from the epicenter (degree) 0.30757
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 121311101
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-09-21 11:24:29

ML:0.7

Field Value
Value 0.7
Uncertainty 0.1
Num. used stations 12
Type of magnitude ML
Reference to an origin 115635591
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-03-22 18:07:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2023-03-22T17:57:26.40 0.6 undecidable manual S 37 34.1436 50 0.07 48
IV.MMO1.EHZ. 2023-03-22T17:57:25.67 0.6 undecidable manual S 79 31.2465 50 0.12 48
IV.ASSB.HHN. 2023-03-22T17:57:25.79 0.6 undecidable manual S 313 32.0457 50 0.03 49
IV.MML1.EHZ. 2023-03-22T17:57:25.23 0.3 undecidable manual S 4 29.5482 50 0.12 73
IV.MOMA.HNZ. 2023-03-22T17:57:25.38 1.0 undecidable manual S 261 31.2465 50 -0.16 24
IV.LNSS.HHZ. 2023-03-22T17:57:24.58 0.6 undecidable manual S 165 28.1496 50 -0.14 48
7F.SIB1.EHN. 2023-03-22T17:57:24.15 0.6 undecidable manual S 79 26.6511 50 -0.17 48
IV.FDMO.HHZ. 2023-03-22T17:57:23.40 0.3 undecidable manual S 28 23.754 50 -0.16 73
7F.SIB3.EHZ. 2023-03-22T17:57:23.78 0.6 undecidable manual S 83 26.2515 50 -0.44 45
IV.GAVE.EHZ. 2023-03-22T17:57:21.56 0.6 undecidable manual S 195 17.7711 121 -0.3 48
IV.CSP1.EHZ. 2023-03-22T17:57:21.38 0.3 undecidable manual P 37 34.1436 50 -0.02 74
IV.MOMA.HNZ. 2023-03-22T17:57:21.31 0.6 undecidable manual P 261 31.2465 50 0.37 46
IV.CESI.HHZ. 2023-03-22T17:57:21.59 0.6 undecidable manual S 348 17.871 121 -0.28 48
IV.FEMA.HNE. 2023-03-22T17:57:21.12 0.3 undecidable manual S 33 15.1737 125 0.04 76
IV.MMO1.EHZ. 2023-03-22T17:57:21.59 0.1 undecidable manual P 79 31.2465 50 0.64 84
IT.MTCL.HGZ. 2023-03-22T17:57:21.25 0.6 undecidable manual S 14 16.7721 122 -0.3 48
IV.MML1.EHZ. 2023-03-22T17:57:20.78 0.1 undecidable manual P 4 29.5482 50 0.09 97
IV.LNSS.HHZ. 2023-03-22T17:57:20.43 0.1 undecidable manual P 165 28.1496 50 -0.04 99
IV.ASSB.HHN. 2023-03-22T17:57:20.88 0.1 undecidable manual P 313 32.0457 50 -0.19 95
7F.SIB1.EHN. 2023-03-22T17:57:20.05 0.3 undecidable manual P 79 26.6511 50 -0.18 72
IV.NRCA.HHZ. 2023-03-22T17:57:20.59 0.6 undecidable manual S 96 13.4754 128 -0.04 51
IV.FDMO.HHZ. 2023-03-22T17:57:19.79 0.1 undecidable manual P 28 23.754 50 -0.01 100
7F.SIB3.EHZ. 2023-03-22T17:57:19.98 0.3 undecidable manual P 83 26.2515 50 -0.2 72
IT.MTCL.HGZ. 2023-03-22T17:57:18.65 0.3 undecidable manual P 14 16.7721 122 0.01 76
IV.NRCA.HHZ. 2023-03-22T17:57:18.23 0.1 undecidable manual P 96 13.4754 128 0.12 100
IV.GAVE.EHZ. 2023-03-22T17:57:18.91 0.1 undecidable manual P 195 17.7711 121 0.1 99
IV.CESI.HHZ. 2023-03-22T17:57:18.92 0.3 undecidable manual P 348 17.871 121 0.1 74
IV.FEMA.HNE. 2023-03-22T17:57:18.59 0.6 undecidable manual P 33 15.1737 125 0.22 49
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.0 0.0001078 0.08 AML other m 2023-03-22T17:57:20.68
IV.NRCA.HHE. ML:0.7 0.000056899999999999994 0.1 AML other m 2023-03-22T17:57:20.84
IV.CESI.HHN. ML:0.7 0.000038463375 0.1152 AML other m 2023-03-22T17:57:22.35
IV.GAVE.EHE. ML:0.9 0.0000669 0.16 AML other m 2023-03-22T17:57:22.12
IV.CESI.HHE. ML:0.4 0.000021089674999999997 0.1408 AML other m 2023-03-22T17:57:22.14
IV.GAVE.EHN. ML:0.6 0.00003380625 0.1024 AML other m 2023-03-22T17:57:22.71
IV.FDMO.HHN. ML:0.8 0.00004169815 0.1408 AML other m 2023-03-22T17:57:23.67
IV.FDMO.HHE. ML:0.8 0.000034108325 0.192 AML other m 2023-03-22T17:57:23.58
IV.MML1.EHE. ML:0.7 0.000025865679999999997 0.1664 AML other m 2023-03-22T17:57:25.53
IV.MML1.EHN. ML:0.6 0.000018359127 0.1152 AML other m 2023-03-22T17:57:25.66
IV.MMO1.EHN. ML:0.5 0.000017312340000000003 0.128 AML other m 2023-03-22T17:57:25.99
IV.MMO1.EHE. ML:0.6 0.00002033103 0.0896 AML other m 2023-03-22T17:57:26.20
IV.CSP1.EHE. ML:0.9 0.00003500768959999999 0.5888 AML other m 2023-03-22T17:57:27.30
IV.CSP1.EHN. ML:0.8 0.0000244121035 0.3712 AML other m 2023-03-22T17:57:27.18
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