Earthquake Philippines [Sea], Magnitude Mwp 5.7, 22 March 2023 time 23:31:56 (Timezone UTC)

A magnitude Mwp 5.7 earthquake occured in region: Philippines [Sea], on

22-03-2023 23:31:56 (UTC)
23-03-2023 00:31:56 (UTC +01:00) Italian time
23-03-2023 07:31:56 (UTC +08:00) local time in the region of the earthquake (Asia/Manila)

and geographic coordinates (lat, lon) 19.0620, 121.4040 at 20 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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Display location by

Municipalities within 20 km from the epicenter

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

No Italian municipalities within 100 km from the epicenter with at least 50000 inhabitants.

Recent and historical seismicity

Not available maps for this sismic event.

Seismic hazard

Not available maps for this sismic event.

Shakemap

Not available maps for this sismic event.

Felt maps

Not available maps for this sismic event.

Locations history

Type	Magnitude	Date and Time (UTC)	Latitude	Longitude	Depth (km)	Published time (UTC)	Author	Location ID
Reviewed Rev100	mb 5.1 Mwp 5.7 Mwpd 5.9	2023-03-22 23:31:56	19.0617	121.404	20	2023-03-22 23:47:54	Sala Sismica INGV-Roma	115642741

Preferred location and magnitude until now.

Origin information

Origin

Field	Value
Time (UTC)	2023-03-22 23:31:56
Latitude	19.0617
Longitude	121.4040
Depth (km)	20 (from location)
Evaluation mode of Origin	automatic
Evaluation status of Origin	reviewed
Version	100 -> SURVEY-INGV-A
Event type	earthquake
Origin ID	115642741

Uncertainty

Field	Value
Preferred uncertainty description	uncertainty ellipse
Semi-major axis of confidence ellipse (meter)	21664
Semi-minor axis of confidence ellipse (meter)	14073
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi)	110
Circular confidence region, given by single value of horizontal uncertainty (meter)	17485.8
Confidence level of the uncertainty (%)	68

Quality

Field	Value
Largest azimuthal gap in station distribution as seen from epicenter (degree)	111.136
Number of associated phases, regardless of their use for origin computation	45
Number of defining phases	45
RMS of the travel time residuals of the arrivals used for the origin computation (sec)	2.76633
Epicentral distance of station closest to the epicenter (degree)	5.60741
Epicentral distance of station farthest from the epicenter (degree)	86.34979
Number of stations at which the event was observed	43
Number of stations from which data was used for origin computation	43

Magnitudes information

Mwp:5.7

Field	Value
Value	5.7
Uncertainty	0.1
Num. used stations	8
Type of magnitude	Mwp
Reference to an origin	115642741
Agency	INGV
Autore	early-est_ee1.1.9
Time of creation (UTC)	2023-03-22 23:47:54

Mwpd:5.9

Field	Value
Value	5.9
Uncertainty	0.1
Num. used stations	7
Type of magnitude	Mwpd
Reference to an origin	115642741
Agency	INGV
Autore	early-est_ee1.1.9
Time of creation (UTC)	2023-03-22 23:47:54

mb:5.1

Field	Value
Value	5.1
Uncertainty	0.1
Num. used stations	34
Type of magnitude	mb
Reference to an origin	115642741
Agency	INGV
Autore	early-est_ee1.1.9
Time of creation (UTC)	2023-03-22 23:47:54

Picking and Arrival

SCNL	Time	Uncertainty	Polarity	Evaluation_mode	Phase	Azimuth	Distance	Residual	Weight
MN.BLY.BHZ.	2023-03-22T23:44:36.72	10.0	positive	automatic	P	316	86.2678	1.78662	0.110833
HU.KOVH.BHZ.	2023-03-22T23:44:28.30	10.0	positive	automatic	P	317	85.1529	-1.10313	0.118886
DK.KULLO.BHZ.	2023-03-22T23:44:36.16	10.0	negative	automatic	P	360	86.3498	0.864817	0.124304
IU.CASY.BHZ.00	2023-03-22T23:44:33.37	10.0	positive	automatic	P	184	85.7291	1.14532	0.125612
GE.MORC.BHZ.	2023-03-22T23:44:30.80	10.0	positive	automatic	P	321	84.0764	6.75592	0.135785
GE.DAG.BHZ.	2023-03-22T23:44:07.61	10.0	negative	automatic	P	351	81.2484	-1.60215	0.149314
GE.EIL.BHZ.	2023-03-22T23:43:49.85	10.0	negative	automatic	P	297	77.7291	-0.226786	0.179708
GE.CSS.BHZ.	2023-03-22T23:43:49.95	10.0	positive	automatic	P	303	77.6871	0.075243	0.197238
GE.VSU.BHZ.	2023-03-22T23:43:48.50	10.0	positive	automatic	sP	328	76.2219	6.9219	0.20709
IU.KIEV.BHZ.00	2023-03-22T23:43:42.42	10.0	negative	automatic	P	319	76.7017	-1.88939	0.207121
II.KDAK.BHZ.00	2023-03-22T23:43:15.85	10.0	negative	automatic	P	34	71.8567	-0.230424	0.262351
KO.GURO.HHZ.	2023-03-22T23:43:05.85	10.0	negative	automatic	P	305	70.1282	0.0505561	0.283278
AT.TTA.BHZ.	2023-03-22T23:43:03.56	10.0	negative	automatic	P	29	69.7344	0.24787	0.286622
II.KIV.BHZ.00	2023-03-22T23:42:57.67	10.0	negative	automatic	P	311	68.9089	-0.544727	0.280436
AU.TOO.BHZ.00	2023-03-22T23:42:07.05	10.0	negative	automatic	P	158	61.0000	0.358704	0.401984
II.ARTI.BHZ.00	2023-03-22T23:41:54.02	10.0	negative	automatic	P	325	59.3759	-1.49685	0.420359
AU.ARMA.BHZ.	2023-03-22T23:41:43.95	10.0	positive	automatic	P	149	57.3884	2.16839	0.439141
IU.NWAO.BHZ.00	2023-03-22T23:41:02.32	10.0	positive	automatic	P	184	52.1393	-1.29277	0.525283
AU.FORT.BHZ.00	2023-03-22T23:40:48.43	10.0	positive	automatic	P	173	50.2475	-0.95053	0.576474
II.SIMI.BHZ.00	2023-03-22T23:40:40.42	10.0	positive	automatic	P	305	49.1248	-0.619125	0.145423
AU.MORW.BHZ.	2023-03-22T23:40:33.05	10.0	positive	automatic	P	186	48.4052	-2.2723	0.587013
II.AAK.BHZ.00	2023-03-22T23:40:16.92	10.0	negative	automatic	P	312	45.8733	1.12119	0.595774
II.KURK.BHZ.00	2023-03-22T23:40:16.82	10.0	positive	automatic	P	323	46.2092	-1.37867	0.610551
AU.WRKA.BHZ.00	2023-03-22T23:40:04.15	10.0	negative	automatic	P	171	44.6044	-1.40759	0.669107
GE.HALK.BHZ.	2023-03-22T23:39:48.55	10.0	positive	automatic	P	257	41.6747	6.77214	0.71535
IU.MAKZ.BHZ.00	2023-03-22T23:39:47.10	10.0	positive	automatic	P	320	42.4534	-1.12173	0.6398
II.PALK.BHZ.00	2023-03-22T23:39:39.65	10.0	positive	automatic	P	259	41.2233	1.51062	0.732615
IU.MBWA.BHZ.00	2023-03-22T23:39:28.75	10.0	negative	automatic	P	182	40.2522	-1.32647	0.751385
IU.ULN.BHZ.00	2023-03-22T23:38:10.77	10.0	positive	automatic	P	341	31.0735	-0.83641	0.848532
GE.GSI.BHZ.	2023-03-22T23:37:54.02	10.0	positive	automatic	P	236	29.3291	-1.90233	0.930233
JP.JTM.BHZ.	2023-03-22T23:37:33.60	10.0	positive	automatic	P	34	27.4711	-5.77555	0.952381
MY.IPM.BHZ.	2023-03-22T23:37:11.92	10.0	positive	automatic	P	236	24.6569	-2.02003	0.888889
GE.FAKI.BHZ.	2023-03-22T23:37:11.62	10.0	positive	automatic	P	153	24.4315	-0.249564	0.43956
MY.KOM.BHZ.	2023-03-22T23:37:09.77	10.0	positive	automatic	P	227	24.3672	-1.49966	0.888889
IU.MAJO.BHZ.00	2023-03-22T23:36:55.17	10.0	positive	automatic	P	37	22.8687	-1.6069	0.43956
JP.JGF.BHZ.	2023-03-22T23:36:44.80	10.0	positive	automatic	P	37	21.7159	0.261813	0.784314
G.INU.BHZ.00	2023-03-22T23:36:41.96	10.0	negative	automatic	P	37	21.3493	1.43958	0.952381
GE.SANI.BHZ.	2023-03-22T23:36:41.92	10.0	positive	automatic	P	167	21.5859	-1.12337	0.952381
IU.CHTO.BHZ.00	2023-03-22T23:36:38.10	10.0	negative	automatic	P	273	21.2297	-1.18581	0.952381
GE.LUWI.BHZ.	2023-03-22T23:36:32.62	10.0	positive	automatic	P	176	20.1475	5.12388	0.952381
JP.JOW.BHZ.	2023-03-22T23:34:18.55	10.0	positive	automatic	P	38	10.0168	1.17533	0.952381
IU.TATO.BHZ.00	2023-03-22T23:33:22.17	10.0	positive	automatic	P	1	5.9121	1.1213	0.97561
JP.YOJ.BHZ.	2023-03-22T23:33:17.85	10.0	positive	automatic	P	15	5.6074	1.00911	0.930233

TDMT - Time Domain Moment Tensor

Not available TDMT solution for this seismic event.

Fault Plane solutions in the area

Not available maps for this sismic event.

Download

Type	Description	Link
QuakeML - small	Event, Origin, FocalMechanism	Download
QuakeML - full	Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude	Download

Earthquake with magnitude of Mwp 5.7 on date 22-03-2023 and time 23:31:56 (UTC) in region Philippines [Sea]

Municipalities within 20 km from the epicenter

Municipalities with at least 50000 inhabitants

Origin

Uncertainty

Quality

Mwp:5.7

Mwpd:5.9

mb:5.1