Earthquake with magnitude of ML 2.1 on date 27-07-2023 and time 04:20:06 (UTC) in region 5 km E Santarcangelo di Romagna (RN)

A magnitude ML 2.1 earthquake occured in region: 5 km E Santarcangelo di Romagna (RN), on

  • 27-07-2023 04:20:06 (UTC)
  • 27-07-2023 06:20:06 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.0840, 12.5040 at 37 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
Santarcangelo di Romagna RN 5 22089 22089
Rimini RN 6 147750 169839
San Mauro Pascoli FC 8 11690 181529
Bellaria-Igea Marina RN 8 19519 201048
Savignano sul Rubicone FC 8 17766 218814
Gatteo FC 10 9068 227882
Verucchio RN 13 10078 237960
Borghi FC 13 2843 240803
Gambettola FC 14 10660 251463
Longiano FC 14 7126 258589
Poggio Torriana RN 14 5135 263724
Riccione RN 15 34965 298689
Coriano RN 15 10502 309191
Roncofreddo FC 16 3386 312577
Cesenatico FC 16 25796 338373
Montiano FC 16 1716 340089
Sogliano al Rubicone FC 18 3195 343284
Montescudo - Monte Colombo RN 19 6779 350063
San Clemente RN 19 5577 355640
Misano Adriatico RN 20 13014 368654

Municipalities with at least 50000 inhabitants

An earthquake occurred to
6 Km W of Rimini (147750 inhabitants)
22 Km E of Cesena (96758 inhabitants)
38 Km NW of Pesaro (94582 inhabitants)
40 Km E of Forlì (117913 inhabitants)
44 Km SE of Ravenna (159116 inhabitants)
49 Km NW of Fano (60888 inhabitants)
54 Km E of Faenza (58541 inhabitants)
70 Km E of Imola (69797 inhabitants)
85 Km NE of Arezzo (99543 inhabitants)
97 Km NW 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
Reviewed
Rev100
ML 2.1 2023-07-27
04:20:06
44.0843 12.5043 37 2023-07-27
04:59:19
Sala Sismica INGV-Roma 119615581
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-07-27 04:20:06 ± 0.16
Latitude 44.0843 ± 0.0108
Longitude 12.5043 ± 0.0175
Depth (km) 37 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 119615581

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1449
Semi-minor axis of confidence ellipse (meter) 1158
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 63
Circular confidence region, given by single value of horizontal uncertainty (meter) 1450.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 148
Number of associated phases, regardless of their use for origin computation 69
Number of defining phases 45
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 2.17456
Number of stations at which the event was observed 47
Number of stations from which data was used for origin computation 26
Magnitude information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 50
Type of magnitude ML
Reference to an origin 119615581
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-07-27 04:59:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SACR.HHZ. 2023-07-27T04:21:42.17 3.0 undecidable manual Sg 11.6 0
GU.BURY.HHZ. 2023-07-27T04:21:42.20 3.0 undecidable manual Sn 0.49 0
GU.IMI.HHZ. 2023-07-27T04:21:13.09 3.0 negative manual Pg 16.190001 0
IV.SACR.HHZ. 2023-07-27T04:20:58.50 3.0 undecidable manual Pg 4.37 0
IV.NRCA.HHZ. 2023-07-27T04:20:51.37 3.0 undecidable manual Sg 5.03 0
SI.ABSI.HHZ. 2023-07-27T04:20:49.75 3.0 positive manual Pn 0.3 0
GU.GSCL.HHZ. 2023-07-27T04:20:48.85 3.0 undecidable manual Sn 0.36 0
SI.KOSI.HHZ. 2023-07-27T04:20:46.33 3.0 positive manual Pn 0.52 0
ST.ZIAN.EHZ. 2023-07-27T04:20:42.57 3.0 undecidable manual Pn -0.27 0
IV.MML1.EHZ. 2023-07-27T04:20:41.23 3.0 undecidable manual Sg 2.21 0
NI.PALA.HHZ. 2023-07-27T04:20:41.41 3.0 positive manual Pn 0.05 0
OX.DRE.HHZ. 2023-07-27T04:20:41.69 3.0 positive manual Pn -0.48 0
OX.CIMO.HHZ. 2023-07-27T04:20:41.49 3.0 positive manual Pn -0.51 0
SI.LUSI.HHZ. 2023-07-27T04:20:41.69 1.0 negative manual P 330 241.3806 54 0.69 10
IV.STAL.HHZ. 2023-07-27T04:20:40.97 3.0 positive manual Pn -0.39 0
ST.PANI.EHZ. 2023-07-27T04:20:40.62 3.0 undecidable manual Pn -0.04 0
ST.DOSS.HHZ. 2023-07-27T04:20:39.15 1.0 undecidable manual P 333 224.4087 54 0.25 13
OX.MLN.HHZ. 2023-07-27T04:20:39.59 3.0 positive manual Pn -0.2 0
IV.CTI.HHZ. 2023-07-27T04:20:39.29 3.0 undecidable manual Pn -0.31 0
OX.MARN.HHZ. 2023-07-27T04:20:36.05 0.6 undecidable manual P 330 200.1441 54 0.18 30
IV.NRCA.HHZ. 2023-07-27T04:20:32.36 3.0 negative manual Pg 3.08 0
IV.TB02.DHE.01 2023-07-27T04:20:32.15 0.6 undecidable manual S 186 79.5648 54 0.91 35
IV.ATVO.HHZ. 2023-07-27T04:20:31.34 0.6 undecidable manual S 186 78.2661 54 0.37 43
IV.ATFO.HNE. 2023-07-27T04:20:31.74 0.6 undecidable manual S 176 79.7646 54 0.45 43
IV.TB01.DH2.18 2023-07-27T04:20:31.47 0.6 undecidable manual S 184 78.1662 54 0.53 41
IV.TSM2.DHZ. 2023-07-27T04:20:30.98 0.6 undecidable manual S 181 76.368 54 0.44 43
IV.ATSC.EHZ. 2023-07-27T04:20:30.41 0.6 undecidable manual S 169 74.6697 54 0.22 45
IV.MF5.EHZ. 2023-07-27T04:20:30.39 3.0 undecidable manual Pg 1.48 0
IV.ARVD.HHZ. 2023-07-27T04:20:30.41 0.6 undecidable manual S 152 73.8705 54 0.4 44
IV.ATBU.EHE. 2023-07-27T04:20:29.04 0.6 undecidable manual S 177 67.5768 54 0.38 44
IV.FRON.EHZ. 2023-07-27T04:20:28.24 0.6 undecidable manual S 164 65.2902 54 0.07 48
IV.ATPC.HHE. 2023-07-27T04:20:28.93 0.6 undecidable manual S 183 67.0773 54 0.38 44
IV.ATPI.EHZ. 2023-07-27T04:20:28.88 0.6 undecidable manual S 187 70.7736 54 -0.46 44
IV.CSP1.EHZ. 2023-07-27T04:20:27.31 3.0 negative manual Pg 0.93 0
IV.MGAB.HHZ. 2023-07-27T04:20:27.79 3.0 positive manual Pn 0.23 0
IV.PIEI.HHZ. 2023-07-27T04:20:26.83 0.6 undecidable manual S 178 60.8946 117 -0.29 46
IV.ASSB.HHZ. 2023-07-27T04:20:26.50 3.0 positive manual Pg 1.09 0
IV.NARO.HHZ. 2023-07-27T04:20:25.15 0.6 undecidable manual S 173 52.9026 121 -0.1 48
IV.PARC.HHZ. 2023-07-27T04:20:24.42 0.6 undecidable manual S 204 52.8027 121 -0.81 40
IV.CRTC.HHZ. 2023-07-27T04:20:24.32 0.6 undecidable manual S 139 46.3203 125 0.55 45
IV.ATCC.EHZ. 2023-07-27T04:20:24.40 3.0 negative manual Pg 0.96 0
IV.PE3.EHZ. 2023-07-27T04:20:23.09 0.6 undecidable manual S 181 43.1235 127 0.01 50
IV.FOSV.EHZ. 2023-07-27T04:20:22.19 0.6 negative manual P 167 89.9433 54 0.03 46
IV.CPGN.EHZ. 2023-07-27T04:20:22.28 0.6 undecidable manual S 205 34.6431 134 0.92 38
IV.ATMI.HHZ. 2023-07-27T04:20:22.12 1.0 negative manual P 193 85.3479 54 0.53 20
IV.RUFI.EHZ. 2023-07-27T04:20:22.33 0.1 undecidable manual P 251 84.0492 54 0.91 69
IV.PESA.HHZ. 2023-07-27T04:20:21.21 0.6 undecidable manual S 121 31.1466 137 0.51 47
IV.MML1.EHZ. 2023-07-27T04:20:21.48 3.0 negative manual Pn -3.69 0
IV.TB02.DHE.01 2023-07-27T04:20:20.81 0.1 undecidable manual P 186 79.5648 54 -0.06 93
IV.ARVD.HHZ. 2023-07-27T04:20:20.08 0.1 undecidable manual P 152 73.8705 54 -0.08 93
IV.TB01.DH2.18 2023-07-27T04:20:20.48 0.1 undecidable manual P 184 78.1662 54 -0.21 90
IV.ATVO.HHZ. 2023-07-27T04:20:20.56 0.1 undecidable manual P 186 78.2661 54 -0.15 92
IV.TSM2.DHZ. 2023-07-27T04:20:20.08 0.1 undecidable manual P 181 76.368 54 -0.38 87
IV.ATFO.HNE. 2023-07-27T04:20:20.74 0.1 undecidable manual P 176 79.7646 54 -0.16 91
IV.ATPI.EHZ. 2023-07-27T04:20:19.36 0.6 negative manual P 187 70.7736 54 -0.41 44
IV.ATBU.EHE. 2023-07-27T04:20:19.13 0.1 undecidable manual P 177 67.5768 54 -0.25 91
IV.ATSC.EHZ. 2023-07-27T04:20:19.89 0.1 undecidable manual P 169 74.6697 54 -0.37 88
IV.RSM2.HHZ. 2023-07-27T04:20:19.36 0.6 undecidable manual S 196 16.9719 154 0.85 41
IV.FRON.EHZ. 2023-07-27T04:20:18.70 0.1 negative manual P 164 65.2902 54 -0.39 89
IV.ATPC.HHE. 2023-07-27T04:20:18.86 0.1 undecidable manual P 183 67.0773 54 -0.45 88
IV.PIEI.HHZ. 2023-07-27T04:20:17.81 0.3 negative manual P 178 60.8946 117 -0.68 61
IV.SFI.EHZ. 2023-07-27T04:20:17.53 1.0 negative manual P 249 56.0994 119 -0.31 23
IV.CRTC.HHZ. 2023-07-27T04:20:16.73 0.1 undecidable manual P 139 46.3203 125 0.18 97
IV.NARO.HHZ. 2023-07-27T04:20:16.88 0.1 undecidable manual P 173 52.9026 121 -0.53 87
IV.PARC.HHZ. 2023-07-27T04:20:16.88 0.1 undecidable manual P 204 52.8027 121 -0.52 89
IV.PESA.HHZ. 2023-07-27T04:20:15.04 0.1 negative manual P 121 31.1466 137 0.26 98
IV.CPGN.EHZ. 2023-07-27T04:20:15.35 0.1 undecidable manual P 205 34.6431 134 0.19 98
IV.PE3.EHZ. 2023-07-27T04:20:15.94 0.1 negative manual P 181 43.1235 127 -0.21 96
IV.RSM2.HHZ. 2023-07-27T04:20:13.78 0.1 negative manual P 196 16.9719 154 0.26 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PESA.HHE. ML:2.6 0.001188 0.14 AML other m 2023-07-27T04:20:21.93
IV.PESA.HHN. ML:2.5 0.0009755 0.7 AML other m 2023-07-27T04:20:21.88
IV.PE3.EHE. ML:2.0 0.0002375 0.4 AML other m 2023-07-27T04:20:23.59
IV.PE3.EHN. ML:2.1 0.000294 0.3 AML other m 2023-07-27T04:20:23.65
IV.PARC.HHE. ML:1.8 0.00010839999999999999 0.36 AML other m 2023-07-27T04:20:25.80
IV.CRTC.HHE. ML:2.4 0.00047250000000000005 0.42 AML other m 2023-07-27T04:20:25.72
IV.NARO.HHE. ML:1.8 0.00011399999999999999 1.54 AML other m 2023-07-27T04:20:25.01
IV.PARC.HHN. ML:1.6 0.0000753 1.34 AML other m 2023-07-27T04:20:26.06
IV.NARO.HHN. ML:1.7 0.00008815 0.46 AML other m 2023-07-27T04:20:26.43
IV.CRTC.HHN. ML:2.4 0.0004975 0.34 AML other m 2023-07-27T04:20:27.60
IV.SFI.EHE. ML:1.6 0.0000726 1.64 AML other m 2023-07-27T04:20:28.86
IV.SFI.EHN. ML:1.9 0.0001465 1.5 AML other m 2023-07-27T04:20:28.86
IV.PIEI.HHN. ML:2.1 0.0001995 0.52 AML other m 2023-07-27T04:20:28.63
IV.PIEI.HHE. ML:2.2 0.000268 1 AML other m 2023-07-27T04:20:28.17
IV.ATPI.EHN. ML:1.7 0.00007535 0.96 AML other m 2023-07-27T04:20:29.16
IV.FRON.EHE. ML:1.9 0.0001265 1.5 AML other m 2023-07-27T04:20:29.18
IV.FRON.EHN. ML:2.1 0.00017749999999999998 1 AML other m 2023-07-27T04:20:31.08
IV.ATPI.EHE. ML:1.8 0.0000883 0.64 AML other m 2023-07-27T04:20:31.62
IV.ARVD.HHN. ML:1.8 0.00008945 0.48 AML other m 2023-07-27T04:20:31.20
IV.ARVD.HHE. ML:1.8 0.0000776 0.64 AML other m 2023-07-27T04:20:32.00
IV.ATVO.HHN. ML:2.0 0.000128 0.9 AML other m 2023-07-27T04:20:32.49
IV.ATVO.HHE. ML:2.0 0.0001205 0.56 AML other m 2023-07-27T04:20:33.17
IV.FOSV.EHN. ML:2.0 0.00009609999999999999 0.5 AML other m 2023-07-27T04:20:34.67
IV.FOSV.EHE. ML:2.0 0.00009655 1.12 AML other m 2023-07-27T04:20:35.21
IV.ATMI.HHE. ML:2.2 0.000177 0.42 AML other m 2023-07-27T04:20:37.28
IV.ATMI.HHN. ML:2.2 0.00019 0.4 AML other m 2023-07-27T04:20:37.29
IV.ATCC.EHN. ML:2.3 0.000188 0.78 AML other m 2023-07-27T04:20:39.51
IV.ATCC.EHE. ML:2.4 0.0002505 0.52 AML other m 2023-07-27T04:20:39.44
IV.STAL.HHE. ML:2.2 0.0000285 0.7 AML other m 2023-07-27T04:20:44.66
IV.MML1.EHE. ML:2.0 0.0000706 0.86 AML other m 2023-07-27T04:20:44.39
IV.MGAB.HHN. ML:2.0 0.00005775 1.4 AML other m 2023-07-27T04:20:45.05
IV.MML1.EHN. ML:2.0 0.00007580000000000001 1.52 AML other m 2023-07-27T04:20:45.83
IV.ASSB.HHN. ML:1.9 0.0000557 1.38 AML other m 2023-07-27T04:20:45.89
IV.ASSB.HHE. ML:1.9 0.0000565 0.54 AML other m 2023-07-27T04:20:46.67
IV.CSP1.EHN. ML:2.3 0.0001395 0.64 AML other m 2023-07-27T04:20:46.95
IV.CSP1.EHE. ML:2.4 0.000174 1.54 AML other m 2023-07-27T04:20:47.16
IV.MGAB.HHE. ML:1.9 0.00004725 0.72 AML other m 2023-07-27T04:20:50.09
IV.NRCA.HHE. ML:2.0 0.00005355 0.42 AML other m 2023-07-27T04:20:51.71
IV.MF5.EHE. ML:2.4 0.00012705 1.08 AML other m 2023-07-27T04:20:55.68
IV.NRCA.HHN. ML:2.0 0.000046200000000000005 1.08 AML other m 2023-07-27T04:20:55.80
OX.DRE.HHN. ML:0.0 0.00003495 0.9 AML other m 2023-07-27T04:21:08.71
OX.DRE.HHE. ML:0.0 0.0000436 1.32 AML other m 2023-07-27T04:21:08.33
IV.MF5.EHN. ML:0.0 0.00011307695000000001 2.2208 AML other m 2023-07-27T04:21:00.52
OX.MARN.HHN. ML:0.0 0.00004205 0.9 AML other m 2023-07-27T04:21:11.32
OX.MARN.HHE. ML:0.0 0.00003445 0.6 AML other m 2023-07-27T04:21:11.37
NI.PALA.HHN. ML:0.0 0.00004145 0.42 AML other m 2023-07-27T04:21:16.94
IV.STAL.HHN. ML:0.0 0.000036500000000000006 0.66 AML other m 2023-07-27T04:21:26.39
NI.PALA.HHE. ML:0.0 0.000054199999999999996 1.1 AML other m 2023-07-27T04:21:32.65
SI.ABSI.HHN. ML:0.0 0.000025500000000000003 1.42 AML other m 2023-07-27T04:21:42.21
SI.ABSI.HHE. ML:0.0 0.0000216 1.58 AML other m 2023-07-27T04:21:43.19
IV.CTI.HHE. ML:0.0 0.000034099999999999995 1 AML other m 2023-07-27T04:21:22.16
IV.CTI.HHN. ML:0.0 0.0000445 0.66 AML other m 2023-07-27T04:21:21.52
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
Waveforms Seismic signals in miniseed + resp format Download