Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 20-06-2024 and time 21:31:20 (UTC) in region 4 km W Monte Grimano Terme (PU)

A magnitude ML 1.2 earthquake occured in region: 4 km W Monte Grimano Terme (PU), on

  • 20-06-2024 21:31:20 (UTC)
  • 20-06-2024 23:31:20 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.8850, 12.4290 at 11 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.

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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 Grimano Terme PU 4 1136 1136
Monte Cerignone PU 5 669 1805
Mercatino Conca PU 5 1086 2891
Sassofeltrio PU 7 1388 4279
San Leo RN 7 2972 7251
Montecopiolo PU 7 1128 8379
Macerata Feltria PU 9 1990 10369
Maiolo RN 10 848 11217
Pietrarubbia PU 10 660 11877
Montescudo - Monte Colombo RN 10 6779 18656
Verucchio RN 11 10078 28734
Novafeltria RN 11 7164 35898
Talamello RN 12 1104 37002
Poggio Torriana RN 12 5135 42137
Gemmano RN 13 1158 43295
Sassocorvaro PU 13 3504 46799
Auditore PU 13 1566 48365
Carpegna PU 14 1674 50039
Tavoleto PU 14 867 50906
Frontino PU 14 293 51199
Montefiore Conca RN 15 2269 53468
Pennabilli RN 15 2869 56337
Coriano RN 17 10502 66839
San Clemente RN 17 5577 72416
Sogliano al Rubicone FC 17 3195 75611
Lunano PU 17 1527 77138
Borghi FC 17 2843 79981
Morciano di Romagna RN 18 7045 87026
Piandimeleto PU 18 2167 89193
Sant'Agata Feltria RN 18 2151 91344
Montecalvo in Foglia PU 18 2718 94062
Belforte all'Isauro PU 19 769 94831
Saludecio RN 19 3120 97951
Roncofreddo FC 20 3386 101337
Mondaino RN 20 1394 102731
Santarcangelo di Romagna RN 20 22089 124820

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km SW of Rimini (147750 inhabitants)
32 Km SE of Cesena (96758 inhabitants)
39 Km W of Pesaro (94582 inhabitants)
48 Km W of Fano (60888 inhabitants)
49 Km SE of Forlì (117913 inhabitants)
62 Km SE of Ravenna (159116 inhabitants)
62 Km SE of Faenza (58541 inhabitants)
64 Km NE of Arezzo (99543 inhabitants)
77 Km SE of Imola (69797 inhabitants)
87 Km N of Perugia (166134 inhabitants)
93 Km W of Ancona (100861 inhabitants)
95 Km E of Firenze (382808 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 1.2 2024-06-20
21:31:20		 43.8848 12.4293 11 2024-06-20
21:38:22		 Sala Sismica INGV-Roma 129097041
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-06-20 21:31:20 ± 0.19
Latitude 43.8848 ± 0.0207
Longitude 12.4293 ± 0.0250
Depth (km) 11 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 129097041

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2843
Semi-minor axis of confidence ellipse (meter) 1052
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 322
Circular confidence region, given by single value of horizontal uncertainty (meter) 2840.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 162
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.36
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.30127
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 5
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 129097041
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-06-20 21:38:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARVD.HHZ. 2024-06-20T21:31:39.72 3.0 undecidable manual S -0.2 0
IV.CSP1.EHZ. 2024-06-20T21:31:39.82 3.0 positive manual P 0.37 0
IV.CAFI.HHZ. 2024-06-20T21:31:33.53 3.0 undecidable manual P -0.12 0
IV.PESA.HHZ. 2024-06-20T21:31:32.78 0.3 undecidable manual S 79 33.4443 50 0.5 65
IV.NARO.HHZ. 2024-06-20T21:31:32.29 0.3 undecidable manual S 158 32.745 50 0.19 69
IV.PARC.HHZ. 2024-06-20T21:31:31.87 0.3 undecidable manual S 210 30.3474 50 0.4 66
IV.ARVD.HHZ. 2024-06-20T21:31:31.50 3.0 negative manual P 0.05 0
IV.SFI.EHZ. 2024-06-20T21:31:29.40 3.0 negative manual P -0.25 0
IV.BADI.EHZ. 2024-06-20T21:31:28.95 3.0 negative manual P -0.03 0
IV.FRON.EHZ. 2024-06-20T21:31:28.82 3.0 undecidable manual P -0.58 0
IV.PIEI.HHZ. 2024-06-20T21:31:27.30 3.0 undecidable manual Pn -0.86 0
IV.NARO.HHZ. 2024-06-20T21:31:27.02 0.1 negative manual P 158 32.745 50 -0.34 89
IV.PARC.HHZ. 2024-06-20T21:31:26.81 0.1 negative manual P 210 30.3474 50 -0.19 92
IV.PESA.HHZ. 2024-06-20T21:31:26.99 0.1 undecidable manual P 79 33.4443 50 -0.48 86
IV.RSM2.HHZ. 2024-06-20T21:31:25.46 0.3 undecidable manual S 12 5.994 151 0.2 72
IV.PE3.EHZ. 2024-06-20T21:31:25.66 0.3 negative manual P 166 21.6672 50 0 73
IV.RSM2.HHZ. 2024-06-20T21:31:23.42 0.1 positive manual P 12 5.994 151 0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RSM2.HHN. ML:1.2 0.000252 1.22 AML other m 2024-06-20T21:31:25.24
IV.RSM2.HHE. ML:1.0 0.0001365 0.6 AML other m 2024-06-20T21:31:28.11
IV.PARC.HHN. ML:0.9 0.000036400000000000004 0.44 AML other m 2024-06-20T21:31:32.17
IV.PARC.HHE. ML:0.9 0.00004075 1 AML other m 2024-06-20T21:31:32.14
IV.PESA.HHN. ML:1.9 0.000314 0.06 AML other m 2024-06-20T21:31:33.21
IV.PESA.HHE. ML:1.8 0.00028300000000000005 0.24 AML other m 2024-06-20T21:31:33.20
IV.NARO.HHE. ML:1.0 0.00004265 1.32 AML other m 2024-06-20T21:31:34.92
IV.PIEI.HHE. ML:1.5 0.00010585 0.16 AML other m 2024-06-20T21:31:34.94
IV.PIEI.HHN. ML:1.2 0.00005425 0.92 AML other m 2024-06-20T21:31:35.17
IV.NARO.HHN. ML:1.1 0.000052199999999999995 0.48 AML other m 2024-06-20T21:31:36.56
IV.BADI.EHE. ML:1.4 0.00008235000000000001 0.68 AML other m 2024-06-20T21:31:36.23
IV.SFI.EHN. ML:1.0 0.000027049999999999997 0.6 AML other m 2024-06-20T21:31:37.59
IV.BADI.EHN. ML:1.3 0.00006110000000000001 0.2 AML other m 2024-06-20T21:31:37.58
IV.FRON.EHN. ML:1.2 0.00005015 1.2 AML other m 2024-06-20T21:31:37.09
IV.SFI.EHE. ML:0.8 0.000020155 0.82 AML other m 2024-06-20T21:31:39.55
IV.FRON.EHE. ML:1.0 0.00002465 0.44 AML other m 2024-06-20T21:31:39.79
IV.ARVD.HHE. ML:1.2 0.00003075 0.1 AML other m 2024-06-20T21:31:41.76
IV.ARVD.HHN. ML:1.2 0.00002985 0.1 AML other m 2024-06-20T21:31:42.20
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