Earthquake with magnitude of ML 1.0 on date 14-05-2023 and time 05:21:54 (Italy) in region 4 km SW Monte Cavallo (MC)

A magnitude ML 1.0 earthquake occured in region: 4 km SW Monte Cavallo (MC), on

  • 14-05-2023 03:21:54 (UTC)
  • 14-05-2023 05:21:54 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9680, 12.9730 at 13 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Monte Cavallo MC 4 145 145
Sellano PG 10 1079 1224
Visso MC 10 1107 2331
Pieve Torina MC 11 1458 3789
Preci PG 11 724 4513
Serravalle di Chienti MC 12 1070 5583
Fiordimonte MC 12 202 5785
Ussita MC 14 444 6229
Pievebovigliana MC 14 866 7095
Muccia MC 14 915 8010
Fiastra MC 17 559 8569
Castelsantangelo sul Nera MC 17 281 8850
Cerreto di Spoleto PG 17 1075 9925
Acquacanina MC 18 121 10046
Sefro MC 20 422 10468

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km E of Foligno (57155 inhabitants)
50 Km E of Perugia (166134 inhabitants)
53 Km NE of Terni (111501 inhabitants)
69 Km NW of Teramo (54892 inhabitants)
77 Km NW of L'Aquila (69753 inhabitants)
85 Km SW of Ancona (100861 inhabitants)
94 Km NE of Viterbo (67173 inhabitants)
98 Km S of Fano (60888 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
Reviewed
Rev100
ML 1.0 2023-05-14
03:21:54
42.9685 12.9733 13 2023-05-14
03:28:38
Sala Sismica INGV-Roma 117331651
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-14 03:21:54 ± 0.04
Latitude 42.9685 ± 0.0018
Longitude 12.9733 ± 0.0025
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 117331651

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 249
Semi-minor axis of confidence ellipse (meter) 50
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 236
Circular confidence region, given by single value of horizontal uncertainty (meter) 250.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 145
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.11
Epicentral distance of station closest to the epicenter (degree) 0.06205
Epicentral distance of station farthest from the epicenter (degree) 0.57736
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 117331651
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-14 03:28:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FRON.EHZ. 2023-05-14T03:22:05.88 0.1 undecidable manual P 342 64.0914 92 -0.04 90
IV.ASSB.HHZ. 2023-05-14T03:22:04.13 0.3 undecidable manual S 288 26.8509 96 -0.12 71
IV.SSFR.HHZ. 2023-05-14T03:22:04.50 0.1 undecidable manual P 343 54.1014 92 0.12 91
IV.CSP1.EHZ. 2023-05-14T03:22:03.35 0.1 undecidable manual S 54 23.2545 98 0.05 97
IV.NRCA.HHZ. 2023-05-14T03:22:02.04 0.1 undecidable manual S 143 18.87 103 -0.11 97
IV.GUMA.HHZ. 2023-05-14T03:22:01.25 1.0 positive manual P 70 31.1466 95 0.41 22
IV.MML1.EHZ. 2023-05-14T03:22:01.29 0.1 undecidable manual S 360 16.0728 109 -0.15 97
IV.ATCC.EHZ. 2023-05-14T03:22:01.71 0.1 undecidable manual P 312 36.1416 94 0.1 94
IV.FDMO.HHZ. 2023-05-14T03:22:00.28 0.1 undecidable manual S 51 11.9769 122 -0.15 98
IV.SNTG.HHZ. 2023-05-14T03:22:00.92 0.1 undecidable manual P 355 31.9458 94 -0.04 96
IV.ASSB.HHZ. 2023-05-14T03:22:00.05 0.1 undecidable manual P 288 26.8509 96 -0.13 95
IV.MMO1.EHZ. 2023-05-14T03:22:00.65 0.1 undecidable manual P 105 29.748 95 0.03 97
IV.CESI.HHZ. 2023-05-14T03:21:59.48 0.1 undecidable manual S 306 6.8931 143 0.04 100
IV.CSP1.EHZ. 2023-05-14T03:21:59.63 1.0 undecidable manual P 54 23.2545 98 0 25
IV.NRCA.HHZ. 2023-05-14T03:21:58.97 0.1 undecidable manual P 143 18.87 103 0.01 99
IV.MML1.EHZ. 2023-05-14T03:21:58.59 0.1 undecidable manual P 360 16.0728 109 0.04 99
IV.FDMO.HHZ. 2023-05-14T03:21:57.99 0.1 undecidable manual P 51 11.9769 122 0.02 100
IV.CESI.HHZ. 2023-05-14T03:21:57.58 0.1 undecidable manual P 306 6.8931 143 0.18 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHE. ML:0.6 0.0000525 0.26 AML other m 2023-05-14T03:21:59.58
IV.CESI.HHN. ML:0.7 0.0000654 0.22 AML other m 2023-05-14T03:21:59.67
IV.MML1.EHN. ML:0.7 0.0000393 1.3 AML other m 2023-05-14T03:22:01.05
IV.MML1.EHE. ML:1.0 0.00008824999999999999 0.16 AML other m 2023-05-14T03:22:01.71
IV.NRCA.HHN. ML:1.2 0.00011529999999999998 0.22 AML other m 2023-05-14T03:22:02.22
IV.NRCA.HHE. ML:1.3 0.00013350000000000002 0.76 AML other m 2023-05-14T03:22:02.31
IV.CSP1.EHN. ML:1.5 0.000174 0.7 AML other m 2023-05-14T03:22:04.52
IV.CSP1.EHE. ML:1.4 0.00013700000000000002 1.42 AML other m 2023-05-14T03:22:04.86
IV.SSFR.HHE. ML:0.9 0.0000202 0.48 AML other m 2023-05-14T03:22:11.68
IV.SSFR.HHN. ML:0.9 0.00002145 1 AML other m 2023-05-14T03:22:15.37
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